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$40 Find cheap flights from Oregon to Chicago O'Hare Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to O'Hare Intl departing on 6/5. 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

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$40
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from Portland to Chicago O'Hare Airport

FAQs for booking Oregon to Chicago O'Hare Airport flights

  • How does KAYAK find such low prices on flights from Oregon to Chicago O'Hare Airport?

    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 Oregon to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Oregon 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 Oregon to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport with an airline and back to Oregon with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Oregon to Chicago O'Hare Airport?

Find which airlines fly direct from Oregon to O'Hare Intl, which days they fly and book direct flights.

Nonstop departures

Oregon to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

See more direct flights

Nonstop returns

Chicago O'Hare Intl to Oregon

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

See more direct flights
See more direct flights

Book cheap flights from Oregon to Chicago

Recent round-trip flight deals

6/12qua
nonstopSpirit Airlines
4h 07mPDX-ORD
6/19qua
nonstopSpirit Airlines
4h 27mORD-PDX
$84
8/21qua
nonstopSpirit Airlines
3h 50mPDX-ORD
8/28qua
nonstopSpirit Airlines
4h 30mORD-PDX
$86
8/28qua
nonstop
3h 50mPDX-ORD
8/31sáb
1 stop
7h 44mORD-PDX
$130
8/28qua
nonstop
3h 50mPDX-ORD
9/2seg
nonstop
4h 30mORD-PDX
$134
9/16seg
1 stopFrontier
10h 17mPDX-ORD
9/23seg
1 stopFrontier
6h 52mORD-PDX
$180
6/10seg
2 stopsFrontier
11h 51mPDX-ORD
6/12qua
1 stopFrontier
11h 57mORD-PDX
$185
8/20ter
nonstopAmerican Airlines
4h 02mPDX-ORD
8/23sex
nonstopAmerican Airlines
4h 31mORD-PDX
$189
7/9ter
nonstopAlaska Airlines
4h 04mPDX-ORD
7/12sex
1 stopAlaska Airlines
7h 21mORD-PDX
$213
11/7qui
1 stopAlaska Airlines
8h 13mBOI-ORD
11/10dom
1 stopAlaska Airlines
8h 19mORD-BOI
$228
8/17sáb
1 stopAmerican Airlines
8h 24mEUG-ORD
8/20ter
1 stopAmerican Airlines
7h 59mORD-EUG
$232

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Recent one-way flight deals

6/5qua
nonstopSpirit Airlines
4h 07mPDX-ORD
$40
8/21qua
nonstopSpirit Airlines
3h 50mPDX-ORD
$48
7/4qui
nonstopAlaska Airlines
4h 04mPDX-ORD
$90
6/13qui
2 stopsFrontier
11h 24mPDX-ORD
$95
6/6qui
1 stopFrontier
11h 02mPDX-ORD
$96
7/8seg
1 stopSun Country Air
16h 00mPDX-ORD
$103
6/28sex
nonstopUnited Airlines
3h 58mPDX-ORD
$104
7/15seg
nonstopAlaska Airlines
4h 04mPDX-ORD
$114
7/18qui
nonstopUnited Airlines
3h 58mPDX-ORD
$115
7/28dom
1 stopSun Country Air
18h 00mPDX-ORD
$130

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Last minute flights from Oregon to O'Hare Intl

Last minute flight, train and bus deals

6/1sáb
nonstopSpirit Airlines
3h 50mPDX-ORD
6/5qua
nonstopSpirit Airlines
4h 27mORD-PDX
$125
6/4ter
multi-stop
17h 59mPDX-ORD
6/19qua
nonstop
4h 27mORD-PDX
$141
6/2dom
multi-stopFrontier
10h 23mPDX-ORD
6/5qua
multi-stopFrontier
11h 57mORD-PDX
$180
6/1sáb
multi-stopFrontier
20h 02mPDX-ORD
6/9dom
multi-stopFrontier
20h 18mORD-PDX
$185
6/4ter
nonstopAlaska Airlines
4h 05mPDX-ORD
6/8sáb
nonstopAlaska Airlines
4h 20mORD-PDX
$308
6/4ter
multi-stopDelta
8h 45mPDX-ORD
6/12qua
multi-stopDelta
7h 04mORD-PDX
$327
6/1sáb
multi-stopAlaska Airlines
7h 09mBOI-ORD
6/15sáb
multi-stopAlaska Airlines
8h 14mORD-BOI
$347
6/3seg
multi-stopAmerican Airlines
6h 10mBOI-ORD
6/7sex
multi-stopAmerican Airlines
7h 00mORD-BOI
$352
6/3seg
multi-stopAmerican Airlines
6h 10mBOI-ORD
6/5qua
multi-stopAmerican Airlines
6h 20mORD-BOI
$385
6/1sáb
multi-stopDelta
9h 27mBOI-ORD
6/3seg
multi-stopDelta
7h 06mORD-BOI
$442

Search by stops

Search by airline

Search by price