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PDX - IDA

$71 Find cheap flights from Portland to Idaho Falls

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Idaho Falls departing on 6/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
sáb 6/29
sáb 7/6

Search hundreds of travel sites at once for deals on flights to Idaho Falls

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Idaho Falls, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Idaho Falls, as well as popular online travel agencies
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Cheap flight deals from Portland to Idaho Falls (PDX-IDA)

 
These are the cheapest deals for flights from Portland to Idaho Falls currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Portland to Idaho Falls

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Portland to Idaho Falls.

Recent one-way flight deals from Portland to Idaho Falls

Only flying one-way? Below are some of the best one-way flight deals from Portland to Idaho Falls found on KAYAK recently.

Recent last minute flight deals from Portland to Idaho Falls

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Portland to Idaho Falls.

Recent direct flight deals from Portland to Idaho Falls

The latest deals for direct flights from Portland to Idaho Falls so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Portland to Idaho Falls

Find recent round-trip train or bus tickets from Portland to Idaho Falls.

All round-trip flight deals to Idaho Falls

The cheapest plane tickets to Idaho Falls found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
7:17 pm - 7:56 pmIDA-PDX
1h 39mnonstop
$97Allegiant Air
Find Deal
sex, jun 14 - seg, jun 17
3:51 pm - 6:25 pmPDX-IDA
1h 34mnonstop
7:15 pm - 7:56 pmIDA-PDX
1h 41mnonstop
$103Allegiant Air
Find Deal
sex, jul 26 - seg, jul 29
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
10:05 pm - 11:08 amIDA-PDX
14h 03m1 stop
sex, jun 14 - seg, jun 17
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
10:05 pm - 11:08 amIDA-PDX
14h 03m1 stop
sex, jun 21 - seg, jun 24
1:44 pm - 11:54 pmPDX-IDA
9h 10m1 stop
4:20 pm - 9:43 pmIDA-PDX
6h 23m1 stop
$255Alaska Airlines
Find Deal
qua, ago 21 - sáb, ago 31
7:00 am - 11:54 pmPDX-IDA
15h 54m1 stop
4:20 pm - 8:43 pmIDA-PDX
5h 23m1 stop
$275Alaska Airlines
Find Deal
qua, ago 21 - dom, ago 25
5:22 pm - 10:10 pmPDX-IDA
3h 48m1 stop
6:59 pm - 11:39 pmIDA-PDX
5h 40m1 stop
$288Delta
Find Deal
sáb, ago 24 - ter, ago 27
5:22 pm - 10:10 pmPDX-IDA
3h 48m1 stop
6:59 pm - 11:52 pmIDA-PDX
5h 53m2 stops
$301Delta
Find Deal
sáb, ago 24 - ter, ago 27
6:00 am - 9:23 pmPDX-IDA
14h 23m2 stops
7:05 am - 6:34 pmIDA-PDX
12h 29m2 stops
$535United Airlines
Find Deal
sáb, ago 24 - ter, ago 27
7:30 pm - 9:08 pmPDX-IDA
24h 38m1 stop
5:59 pm - 12:31 pmIDA-PDX
19h 32m2 stops
$540United Airlines
Find Deal
sex, jul 26 - seg, jul 29
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
$71Allegiant Air
Find Deal
sex, jun 28
5:22 pm - 10:10 pmPDX-IDA
3h 48m1 stop
$184Delta
Find Deal
sáb, jul 13
6:00 am - 3:12 pmPDX-IDA
8h 12m1 stop
sex, jun 28
1:03 pm - 11:57 pmPDX-IDA
9h 54m2 stops
$289Alaska Airlines
Find Deal
sáb, jul 13
12:20 am - 9:35 amPDX-IDA
32h 15m2 stops
$388United Airlines
Find Deal
sex, jul 12
9:24 pm - 11:57 pmPDX-IDA
25h 33m2 stops
$390Alaska Airlines
Find Deal
sex, jun 28
12:20 am - 9:35 amPDX-IDA
32h 15m2 stops
$491United Airlines
Find Deal
qui, jun 27
1:00 pm - 9:35 amPDX-IDA
19h 35m3 stops
$499United Airlines
Find Deal
sex, jun 28
12:59 am - 9:43 pmPDX-IDA
19h 44m1 stop
$743American Airlines
Find Deal
qui, jun 27
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
7:17 pm - 7:56 pmIDA-PDX
1h 39mnonstop
$97Allegiant Air
Find Deal
sex, jun 14 - seg, jun 17
3:51 pm - 6:25 pmPDX-IDA
1h 34mnonstop
7:15 pm - 7:56 pmIDA-PDX
1h 41mnonstop
$103Allegiant Air
Find Deal
sex, jul 26 - seg, jul 29
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
7:15 pm - 7:56 pmIDA-PDX
1h 41mnonstop
$110Allegiant Air
Find Deal
sex, jun 28 - sex, jul 5
3:48 pm - 6:27 pmPDX-IDA
1h 39mnonstop
7:17 pm - 7:56 pmIDA-PDX
1h 39mnonstop
$112Allegiant Air
Find Deal
sex, jun 21 - seg, jun 24
3:51 pm - 6:25 pmPDX-IDA
1h 34mnonstop
7:15 pm - 7:56 pmIDA-PDX
1h 41mnonstop
$116Allegiant Air
Find Deal
sex, jul 12 - seg, jul 15

Flights from Portland to Idaho Falls - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland to Idaho Falls to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Idaho Falls?

The average price of all flights from Portland to Idaho Falls clicked on KAYAK for each day over the last 12 months.
When flying from Portland to Idaho Falls, you should consider leaving on a Friday and avoid Sundays if you are looking for the best rates. For your return to Portland, you’ll find the best rates on Mondays and the most expensive ones on Thursdays.

What is the cheapest month to fly from Portland to Idaho Falls?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portland to Idaho Falls, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Portland to Idaho Falls is October, where tickets cost $103 on average. On the other hand, the most expensive months are April and March, where the average cost of tickets is $423 and $353 respectively.

How far in advance should I book a flight from Portland to Idaho Falls?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Portland to Idaho Falls, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Portland to Idaho Falls, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 16 days before departure.

Which airlines provide the cheapest flights from Portland to Idaho Falls?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Portland to Idaho Falls were found on Allegiant Air ($97) and Alaska Airlines ($255). Allegiant Air proposed the cheapest one-way flight at $71.

Which airlines fly non-stop between Portland and Idaho Falls?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Portland to Idaho Falls.
There is just one airline that flies from Portland to Idaho Falls direct and that is Allegiant Air. The best one-way deal found from Allegiant Air for the route is $80.

How many flights are there between Portland and Idaho Falls per day?

There is a maximum of 1 nonstop flight a day that takes off from Portland and lands in Idaho Falls, with an average flight time of 1h 39m. The most common departure time is 3:00 pm and most flights take off in the afternoon. Each week, there are 2 flights.

Which cabin class options are there for flights between Portland and Idaho Falls?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Portland to Idaho Falls take?

Direct flights cover the 537 miles separating Portland to Idaho Falls in about 1h 34m.

What’s the earliest departure time from Portland to Idaho Falls?

Early birds can take the earliest flight from Portland at 3:48 pm and will be landing in Idaho Falls at 6:27 pm.

What’s the latest departure time from Portland to Idaho Falls?

If you prefer to fly at night, the latest flight from Portland to Idaho Falls jets off at 3:51 pm and lands at 6:25 pm.

Good to know

Low season

April

High season

July

Cheapest flight

$71
Best time to beat the crowds but there is an average 83% increase in price.
Most popular time to fly and prices are also 49% lower on average.
Flight from Portland to Idaho Falls

When to book flights from Portland to Idaho Falls

Are your dates flexible? Find out the best times to travel from Portland to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Idaho Falls

  • Will I be able to find any hotels with a location close to the Idaho Falls Regional Airport (IDA)?

    One option that sits just to the south of the entrance to the airport at the junction of Interstate 15 and Highway 20 is the Best Western Plus Cottontree Inn.

  • What types of rental car choices are available to me at the Idaho Falls Regional Airport, and where will I find a rental car company after my flight?

    There are roughly six different major rental car companies that operate at this airport, and all of them sit on the arrival side of the airport as you make your way to the baggage claim area. Once you have picked up your contract and your keys, you will find that all rental cars have a location in the parking lot adjacent to the terminal, right outside the exit of the baggage claim.

  • What are some transportation choices to get me from the Idaho Falls Regional Airport to the center of Idaho Falls after your flight?

    One option that utilizes public transportation is to travel on the Salt Lake Express buses that make the trip from the airport to the downtown area in around 5min. If you would instead like to take a taxi on this route, you should expect a travel time of about 9min.

  • If someone will be dropping me off at the Portland International Airport before a flight, where's the best place for them to drop me off?

    Drivers looking to drop off passengers can use one of the dedicated drop-off areas in front of the terminal building on both the upper and lower-level roadways. It is important to remember that only active unloading of passengers can occur in this location, and drivers cannot leave their vehicles unattended for any amount of time.

  • What is the cheapest flight from Portland to Idaho Falls?

    In the last 3 days, the lowest price for a flight from Portland to Idaho Falls was $71 for a one-way ticket and $97 for a round-trip.

  • Do I need a passport to fly between Portland and Idaho Falls?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Portland to Idaho Falls?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Portland to Idaho Falls flight route.

  • On which days can I fly direct from Portland to Idaho Falls?

    You can catch a nonstop flight from Portland to Idaho Falls on on Monday, and Friday.

  • Which is the best airline for flights from Portland to Idaho Falls, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Portland to Idaho Falls are Delta and Alaska Airlines. With an average price for the route of $423 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $513 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Portland to Idaho Falls?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Idaho Falls.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Idaho Falls?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Idaho Falls?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to Portland with another airline. Booking your flights between Portland and IDA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Idaho Falls?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Portland to Idaho Falls

  • Looking for a cheap flight? 25% of our users found flights on this route for $54 or less one-way and $108 or less round-trip.
  • One of the best ways for travelers to get from the downtown Portland area to the Portland International Airport (PDX) without having to drive in your own car is to take the Portland TriMet MAX Red Line that travels from the Old Town Station in downtown Portland to the airport in around 33 minutes.
  • If you want to drive your own car to the Portland International Airport, this airport offers the convenience of its valet parking system, where you can drop off your car right adjacent to the ticket counter. For an even faster service, passengers can check in on the airport website to notify staff of their arrival time at the airport.
  • If you want to find a way to pass some time at the Portland International Airport before a flight, The Art Program at Portland International Airport has a program that rotates works of art in nine different exhibits scattered throughout the terminal buildings.
  • For those passengers that may have difficulty hearing when traveling through the Portland International Airport, this airport features a visual paging system that shows all audio messages on flight information displayed scattered throughout the terminal buildings.
  • If you are making a plan to take a pet or a service animal with you on your trip through the Portland International Airport, this airport features an outdoor pet relief area as well as two indoor relief areas. The outdoor area is just outside of the baggage claim level in the southern part of the terminal building, and the two indoor areas sit near the Alaska Lounge in Concourse C and near Gate D5.
See more tips

Prefer to fly non-stop from Portland to Idaho Falls?

Find which airlines fly direct from Portland to Fanning Field, which days they fly and book direct flights.

Nonstop departures

Portland to Idaho Falls Fanning Field

Monday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

See more direct flights

Nonstop returns

Idaho Falls Fanning Field to Portland

Monday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

See more direct flights
See more direct flights

Top 3 airlines serving from Portland to Idaho Falls

 
See real verified KAYAK customer reviews for airlines flying from Portland to Idaho Falls. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Idaho Falls? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9192 reviews
8.6Crew
8.2Boarding
7.3Entertainment
7.9Comfort
7.3Food
Airline reviews

The one stewardess was rude about helping me put my bag in overhead….she said “ Is it heavy ?” (I am 73 yrs old)

8.0 ExcellentAnonymous, May 2024PDX - SAN
Read more about Alaska Airlines reviews

The one stewardess was rude about helping me put my bag in overhead….she said “ Is it heavy ?” (I am 73 yrs old)

That flight was a terrible experience. Flying to Portland was not much better. I will not ever fly Alaska Airlines again. I have a temporary disability due to recent neurocervical surgery. I cannot lift heavy things, I cannot walk long distances without vertigo and fainting, and I required wheelchair assistance. I showed up an hour and a half before my flight. The wheelchair queue assistance person was rude and chastised me for showing up so late. An older couple showed up almost an half an hour AFTER me, and she was sweet as pie to them. There was a long wait for wheelchair assistance as they were backed up. When I got to the gate, the gate attendants were rude and again, I got chastised for being late, even though it was not my fault they were backed up. When I asked for help with my bags and boarding the plane, they told me it was my fault and they were not obligated to help me. I was treated like a big inconvenience because I had a wheelchair and I couldn't "just walk." One of them literally rolled her eyes at me. I kept silent, because I just wanted to get home and I felt like they would not let me on if I complained, but I was practically crying. When I got down to the door to board, the wheelchair person left, and I asked the flight attendants for help. They said, well, you'll have to stand there and wait, even though I said I couldn't stand very long, and another passenger said, "Oh just let me do it" and helped me down. I tried not to bother the inflight attendants, because everytime you did, they acted exasperated and stressed out. I paid $7.50 for a bag of Pirate Booty and a tiny turkey beef stick for dinner. I needed wifi to work during the flight, and it kept crashing on me repeatedly and resetting my online work, costing me valuable time. I had to pay twice to get it on my laptop and phone, but I did get a refund when I returned. When I got to NY, the Portland agents had not arranged for a wheelchair to meet me and I had to stand for fifteen minutes waiting for the very nice young man who found an empty chair and had to wheel me and another passenger with carry on luggage to the front of JFK all by himself. Never, ever again. You all should be ashamed of how you treat people with disabilities. The other people who needed assistance to get on this flight did not fare much better than me, from what I could see.

My experience for a sort flight was perfect and hassle free.

I didn’t like not knowing my seat till I got to the airport - and my boarding group was F (last).

My boarding pass birthdate was printed incorrectly causing me to spend an extra hour in a check-in and then again TSA line and to miss a chance to have dinner pre-flight. My window seat was given away and was replaced with a middle seat. I would have liked an opportunity to charge my phone and take advantage of movies but many of the departure gate chargers weren’t operational and I don’t know of an in-flight charging option, The flight left 45 late after trouble with unruly passengers, and I was glad staff removed them.

Horrible. I likely will have to spend several thousand dollars to rebook my international flights, due to their delays, plus a hotel in SF. I can’t wait to never fly them again!

Quick easy boarding. Airport was unprepared for early landing and we were waiting in the plane for 20 minutes before getting a gate.

It was so easy to board using my boarding pass on my iPhone, and I liked what I was given on the plane for food and drink, and everyone was very friendly.

dont re-route to San Jose. Re-route to closer airport. Provide shuttle bus to go to SFO, not just LYFT vouchers.

Staff seemed genuinely nice, not just going through the motions.

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

Had to change aircraft due to a faulty door. Surprisingly it only caused about an hour and a half of delay. Delta handled this situation as well as can be expected.

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

Your crew could maybe answer the call bell at least one of the times I pressed it. I pressed it first time with 2.5 hours left in our flight bc my partner was hungry and wanted a sandwich. We finally got the sandwich with 40 mins left in the flight.

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

They were an hour late and they didn’t have my wheelchair for me

The Flight crew didn’t serve us until about 1.5 hours into the flight because of turbulence but after it ended it was fine to move around. They served us water only and snacks and then NEVER, NOT ONE TIME came through to collect trash until right before landing about 1.5 hours later. There was absolutely no need for that. They crew was just standing around talking and visiting with each other and really never tried to see if we might want something besides water or even try to come pick up trash. This is VERY unusual for a Delta flight but it was not what I would have expected for a 4 hour flight.

Flight was good, boarding was a breeze, flight attendants were friendly and professional. There was a medical issue with another passenger and the crew handled it in a calm and professional way.

The net issue I had was with the gate agent. We had added a carryon to our boarding pass when we checked bags. When I got to the boarding gate the agent was rude asking why I had a backpack - I said I added it - even had an orange tag on it. She ripped my tag off and swung her monitor around to show me how she was right- saying it isn’t wasn’t listed - only a checked bag. I explained again that I wasn’t sure what the issue was but I wouldn’t have an orange tag if I hadn’t added it. Then she finally checked my husband’s boarding pass and found that the agent at checkin had added my carryon to his boarding pass instead of mine. She sent me on my way without my orange tag. Was a bit embarrassing for me the tone she used with me assuming I was trying to get away with something.

Gate agent asked if I could switch seats so a family could sit together. Agent moved me to a seat in the front of the plane, no charge. It was easy. The agent did a great job.

Great seat space. However food and drink prices outrageous. Jabbing to pay for a carry on bag or stuck paying at the gate too much.

Every Allegiant Air flight I've ever taken has been delayed. This flight was delayed a full 2 hours. It was excuse after excuse after excuse. It was a flight from southern Florida. They made us board the plane on time, but made us wait for 2 hours on the tarmac. Because the engines were kept shut off, so was the air conditioning. One can only imagine how hot the air was in the cabin over those 2 hours on the tarmac, while in the hot Florida sun. Just terrible.

Actually, for the price, I'm willing to put up with a little discomfort (upright chairs) and at times inconveniences (like any airline), lack of entertainment (I can bring my own). My flight was non stop and smooth. I would fly this route again.

The flight was delayed 6 hours and we were only offered an $8 food credit. My husband stood in line to get the credit for 45 minutes and when he got close to the end of the line the computers went down.

Worst ever! Flight cancelled supposedly for weather even though we k ow of many others who flew into Bangor same time no problem. At the airport there was no customer service at all just refund and no possibility of rebook for 3-4 days. Aweful won’t fly with them again!!

It’s a budget airline so adjust expectations accordingly. Nothing is without a fee but such is necessary for tickets to remain so affordable.

No complaints. It’s a budget airline so can’t expect any frills.

Book cheap flights from Portland to Idaho Falls

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Portland to Idaho Falls found on KAYAK in the last 72 hours.
6/28sex
nonstopAllegiant Air
1h 39mPDX-IDA
$71
7/13sáb
1 stopDelta
3h 48mPDX-IDA
$184
6/28sex
1 stop
8h 12mPDX-IDA
$227
7/13sáb
2 stopsAlaska Airlines
9h 54mPDX-IDA
$289
7/12sex
2 stopsUnited Airlines
32h 15mPDX-IDA
$388
6/28sex
2 stopsAlaska Airlines
25h 33mPDX-IDA
$390
6/27qui
2 stopsUnited Airlines
32h 15mPDX-IDA
$491
6/28sex
3 stopsUnited Airlines
19h 35mPDX-IDA
$499
6/27qui
1 stopAmerican Airlines
19h 44mPDX-IDA
$743

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Portland - Idaho Falls Flights

Departure:

Portland (PDX)United States

Destination:

Idaho Falls (IDA)United States

Return flight deals:

Idaho Falls - Portland

Cabin classes:

$91