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$50 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 9/3. 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
Sat 7/6
Sat 7/13

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In the last 7 days travelers have searched 43,995,393 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$50
Best time to beat the crowds with an average 10% 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

8/27Tue
nonstopSpirit Airlines
4h 01mPDX-ORD
8/31Sat
nonstopSpirit Airlines
4h 24mORD-PDX
$83
8/19Mon
nonstopSpirit Airlines
4h 01mPDX-ORD
8/27Tue
nonstopSpirit Airlines
4h 24mORD-PDX
$84
9/9Mon
nonstop
4h 01mPDX-ORD
9/21Sat
1 stop
7h 44mORD-PDX
$130
9/10Tue
1 stop
17h 41mPDX-ORD
9/21Sat
1 stop
7h 44mORD-PDX
$150
8/31Sat
nonstopAmerican Airlines
4h 02mPDX-ORD
9/7Sat
nonstopAmerican Airlines
4h 35mORD-PDX
$177
9/10Tue
1 stopFrontier
10h 17mPDX-ORD
9/21Sat
1 stopFrontier
7h 44mORD-PDX
$180
9/13Fri
1 stopFrontier
21h 23mPDX-ORD
9/21Sat
1 stopFrontier
7h 44mORD-PDX
$182
9/13Fri
nonstopAlaska Airlines
4h 02mPDX-ORD
9/17Tue
nonstopAlaska Airlines
4h 30mORD-PDX
$188
9/8Sun
nonstopAlaska Airlines
4h 02mPDX-ORD
9/17Tue
nonstopAlaska Airlines
4h 30mORD-PDX
$197
9/30Mon
1 stopAmerican Airlines
7h 51mEUG-ORD
10/1Tue
1 stopAmerican Airlines
10h 25mORD-EUG
$252

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Recent one-way flight deals

9/3Tue
nonstopSpirit Airlines
4h 01mPDX-ORD
$50
7/22Mon
nonstopSpirit Airlines
4h 07mPDX-ORD
$52
6/26Wed
nonstopSpirit Airlines
4h 07mPDX-ORD
$53
8/13Tue
nonstopUnited Airlines
3h 58mPDX-ORD
$89
10/12Sat
1 stopAlaska Airlines
5h 40mPDX-ORD
$98
7/23Tue
2 stopsFrontier
9h 03mPDX-ORD
$99
8/23Fri
nonstopAlaska Airlines
4h 02mPDX-ORD
$100
7/5Fri
1 stopSun Country Air
9h 34mPDX-ORD
$101
8/4Sun
2 stopsFrontier
9h 28mPDX-ORD
$107
7/10Wed
nonstopUnited Airlines
3h 58mPDX-ORD
$109

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Last minute flights from Oregon to O'Hare Intl

Last minute flight, train and bus deals

6/8Sat
nonstopSpirit Airlines
4h 07mPDX-ORD
6/21Fri
nonstopSpirit Airlines
4h 27mORD-PDX
$145
6/10Mon
nonstopSpirit Airlines
4h 07mPDX-ORD
6/12Wed
nonstopSpirit Airlines
4h 27mORD-PDX
$151
6/10Mon
multi-stop
21h 51mPDX-ORD
6/17Mon
nonstop
4h 27mORD-PDX
$158
6/8Sat
multi-stop
21h 41mPDX-ORD
6/16Sun
nonstop
4h 27mORD-PDX
$194
6/11Tue
multi-stopFrontier
17h 59mPDX-ORD
6/15Sat
multi-stopFrontier
27h 45mORD-PDX
$223
6/10Mon
multi-stopFrontier
21h 51mPDX-ORD
6/17Mon
multi-stopFrontier
11h 07mORD-PDX
$232
6/11Tue
nonstopAlaska Airlines
4h 05mPDX-ORD
6/18Tue
nonstopAlaska Airlines
4h 20mORD-PDX
$268
6/11Tue
nonstopAlaska Airlines
4h 05mPDX-ORD
6/18Tue
multi-stopAlaska Airlines
6h 13mORD-PDX
$277
6/11Tue
nonstopUnited Airlines
3h 58mPDX-ORD
6/15Sat
nonstopUnited Airlines
4h 26mORD-PDX
$283
6/11Tue
nonstopUnited Airlines
3h 58mPDX-ORD
6/15Sat
multi-stopUnited Airlines
8h 30mORD-PDX
$293

Search by stops

Search by airline

Search by price