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$48 Find cheap flights from Oregon to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 8/21. 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 6/14
Fri 6/21

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In the last 7 days travelers have searched 42,566,405 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

August

Cheapest flight

$48
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Portland to Chicago O'Hare Airport

FAQs for booking flights from Oregon to Chicago

  • How does KAYAK find such low prices on flights from Oregon to Chicago?

    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.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago 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?

    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 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?

    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 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?

Find which airlines fly direct from Oregon to Chicago, which days they fly and book direct flights.

Nonstop departures

Oregon to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Oregon

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Oregon to Chicago

Recent round-trip flight deals

6/5Wed
nonstopSpirit Airlines
4h 07mPDX-ORD
6/19Wed
nonstopSpirit Airlines
4h 27mORD-PDX
$72
6/12Wed
nonstopSpirit Airlines
4h 07mPDX-ORD
6/19Wed
nonstopSpirit Airlines
4h 27mORD-PDX
$73
6/12Wed
nonstop
4h 07mPDX-ORD
6/21Fri
1 stop
11h 46mORD-PDX
$133
5/30Thu
1 stop
22h 25mPDX-ORD
6/5Wed
nonstop
4h 27mORD-PDX
$134
6/10Mon
1 stopFrontier
10h 20mPDX-MDW
6/18Tue
1 stopFrontier
19h 56mMDW-PDX
$167
5/29Wed
1 stopFrontier
8h 36mPDX-MDW
6/4Tue
1 stopFrontier
19h 49mMDW-PDX
$169
6/11Tue
nonstopAlaska Airlines
4h 05mPDX-ORD
6/18Tue
nonstopAlaska Airlines
4h 20mORD-PDX
$179
8/31Sat
nonstopAmerican Airlines
4h 02mPDX-ORD
9/2Mon
nonstopAmerican Airlines
4h 32mORD-PDX
$194
8/14Wed
1 stopAmerican Airlines
8h 24mEUG-ORD
8/20Tue
1 stopAmerican Airlines
7h 59mORD-EUG
$232
10/23Wed
2 stopsAlaska Airlines
9h 43mRDM-ORD
10/30Wed
1 stopAlaska Airlines
16h 32mORD-RDM
$299

Search by stops

Search by airline

Search by price

Recent one-way flight deals

8/21Wed
nonstopSpirit Airlines
3h 50mPDX-ORD
$48
6/13Thu
nonstopSpirit Airlines
4h 07mPDX-ORD
$49
5/29Wed
1 stopFrontier
8h 36mPDX-MDW
$85
5/30Thu
1 stopFrontier
8h 21mPDX-MDW
$89
6/11Tue
nonstopAlaska Airlines
4h 05mPDX-ORD
$90
6/25Tue
1 stopAmerican Airlines
8h 39mBOI-ORD
$94
7/13Sat
1 stopSun Country Air
6h 13mPDX-ORD
$103
8/12Mon
nonstopAlaska Airlines
4h 04mPDX-ORD
$105
9/21Sat
1 stopAmerican Airlines
7h 59mEUG-ORD
$116
6/16Sun
1 stopSun Country Air
17h 07mPDX-ORD
$130

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to Chicago

Last minute flight, train and bus deals

5/20Mon
nonstopSpirit Airlines
3h 50mPDX-ORD
5/22Wed
nonstopSpirit Airlines
4h 30mORD-PDX
$110
5/20Mon
nonstopSpirit Airlines
3h 50mPDX-ORD
5/23Thu
nonstopSpirit Airlines
4h 30mORD-PDX
$119
5/20Mon
nonstop
3h 50mPDX-ORD
5/22Wed
multi-stop
14h 03mORD-PDX
$153
5/20Mon
nonstop
3h 50mPDX-ORD
5/27Mon
multi-stop
18h 22mORD-PDX
$159
5/20Mon
multi-stopFrontier
11h 06mPDX-MDW
6/22Sat
multi-stopFrontier
12h 19mMDW-PDX
$170
5/20Mon
multi-stopFrontier
11h 06mPDX-MDW
5/28Tue
multi-stopFrontier
24h 10mMDW-PDX
$172
5/16Thu
nonstopAmerican Airlines
4h 06mPDX-ORD
5/28Tue
nonstopAmerican Airlines
4h 28mORD-PDX
$293
5/20Mon
multi-stopDelta
6h 50mPDX-ORD
5/29Wed
multi-stopDelta
6h 12mORD-PDX
$312
5/17Fri
multi-stopDelta
8h 45mPDX-ORD
5/27Mon
multi-stopDelta
7h 17mORD-PDX
$327
5/20Mon
multi-stopAmerican Airlines
8h 10mPDX-ORD
5/20Mon
nonstopAmerican Airlines
4h 28mORD-PDX
$337

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Oregon

Cabin classes:

$412
$1,178
$689
$160