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$33 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 8/27. 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
Fri 7/12
Fri 7/19

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In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$33
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 12% 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, Aeromexico, +77 more

ANA, Aer Lingus, +78 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, Aeromexico, +77 more

ANA, Aer Lingus, +78 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

8/21Wed
nonstopSpirit Airlines
4h 01mPDX-ORD
8/28Wed
nonstopSpirit Airlines
4h 23mORD-PDX
$84
8/26Mon
nonstopSpirit Airlines
4h 01mPDX-ORD
9/1Sun
nonstopSpirit Airlines
4h 23mORD-PDX
$87
8/22Thu
nonstop
4h 02mPDX-ORD
8/27Tue
nonstop
4h 23mORD-PDX
$94
8/19Mon
nonstop
4h 01mPDX-ORD
9/2Mon
nonstop
4h 30mORD-PDX
$110
8/23Fri
nonstopAlaska Airlines
4h 02mPDX-ORD
9/3Tue
nonstopAlaska Airlines
4h 30mORD-PDX
$119
10/1Tue
nonstopAlaska Airlines
4h 01mPDX-ORD
10/22Tue
nonstopAlaska Airlines
4h 30mORD-PDX
$177
8/31Sat
nonstopAmerican Airlines
4h 02mPDX-ORD
9/6Fri
nonstopAmerican Airlines
4h 27mORD-PDX
$178
7/9Tue
1 stopFrontier
20h 44mPDX-ORD
7/17Wed
1 stopFrontier
8h 27mORD-PDX
$180
8/20Tue
1 stopFrontier
10h 17mPDX-ORD
9/1Sun
1 stopFrontier
17h 40mORD-PDX
$188
8/28Wed
nonstopAmerican Airlines
4h 02mPDX-ORD
9/6Fri
nonstopAmerican Airlines
4h 27mORD-PDX
$228

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Recent one-way flight deals

8/27Tue
nonstopSpirit Airlines
4h 01mPDX-ORD
$33
8/27Tue
nonstopSpirit Airlines
4h 01mPDX-ORD
$34
8/24Sat
nonstopUnited Airlines
4h 02mPDX-ORD
$67
7/2Tue
1 stopFrontier
6h 47mPDX-ORD
$86
7/16Tue
nonstopUnited Airlines
3h 58mPDX-ORD
$90
7/9Tue
1 stopFrontier
20h 44mPDX-ORD
$92
10/12Sat
1 stopAlaska Airlines
5h 40mPDX-ORD
$98
7/4Thu
1 stopAlaska Airlines
8h 03mPDX-ORD
$99
8/11Sun
1 stopSun Country Air
16h 15mPDX-ORD
$101
6/19Wed
1 stopSun Country Air
23h 52mPDX-ORD
$228

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Last minute flights from Oregon to O'Hare Intl

Last minute flight, train and bus deals

6/13Thu
nonstopSpirit Airlines
4h 07mPDX-ORD
6/23Sun
nonstopSpirit Airlines
4h 27mORD-PDX
$151
6/13Thu
nonstopSpirit Airlines
4h 07mPDX-ORD
6/17Mon
nonstopSpirit Airlines
4h 27mORD-PDX
$156
6/14Fri
nonstop
4h 07mPDX-ORD
6/16Sun
multi-stop
19h 56mORD-PDX
$211
6/13Thu
nonstop
4h 07mPDX-ORD
6/16Sun
multi-stop
26h 45mORD-PDX
$242
6/13Thu
nonstopAmerican Airlines
4h 05mPDX-ORD
6/18Tue
nonstopAmerican Airlines
4h 28mORD-PDX
$308
6/14Fri
multi-stopAmerican Airlines
7h 08mBOI-ORD
6/16Sun
multi-stopAmerican Airlines
7h 00mORD-BOI
$318
6/12Wed
multi-stopFrontier
21h 48mPDX-ORD
6/16Sun
multi-stopFrontier
26h 45mORD-PDX
$320
6/15Sat
multi-stopDelta
9h 05mBOI-ORD
6/17Mon
multi-stopDelta
5h 22mORD-BOI
$325
6/12Wed
multi-stopFrontier
21h 48mPDX-ORD
6/18Tue
multi-stopFrontier
26h 50mORD-PDX
$329
6/13Thu
multi-stopDelta
7h 37mBOI-ORD
6/17Mon
multi-stopDelta
5h 22mORD-BOI
$338

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