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$41 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 5/23. 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
mar. 6/4
mar. 6/11

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In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$41
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 20% increase in price.
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

5/22mié.
nonstopSpirit Airlines
3h 50mPDX-ORD
5/29mié.
nonstopSpirit Airlines
4h 30mORD-PDX
$67
5/22mié.
nonstopSpirit Airlines
3h 50mPDX-ORD
5/29mié.
nonstopSpirit Airlines
4h 30mORD-PDX
$68
5/16jue.
nonstop
3h 50mPDX-ORD
5/21mar.
2 stops
25h 21mORD-PDX
$125
5/15mié.
nonstop
3h 50mPDX-ORD
5/20lun.
1 stop
18h 22mORD-PDX
$130
5/17vie.
2 stopsFrontier
31h 06mPDX-ORD
5/21mar.
2 stopsFrontier
25h 21mORD-PDX
$137
5/23jue.
1 stopFrontier
28h 56mPDX-MDW
6/1sáb.
1 stopFrontier
20h 38mMDW-PDX
$147
8/15jue.
nonstopAlaska Airlines
4h 04mPDX-ORD
8/31sáb.
nonstopAlaska Airlines
4h 30mORD-PDX
$194
6/5mié.
nonstopUnited Airlines
3h 58mPDX-ORD
6/12mié.
nonstopUnited Airlines
4h 28mORD-PDX
$209
10/1mar.
1 stopAlaska Airlines
8h 12mPDX-ORD
10/6dom.
nonstopAlaska Airlines
4h 32mORD-PDX
$213
8/30vie.
1 stopUnited Airlines
9h 15mMFR-ORD
9/8dom.
1 stopUnited Airlines
7h 36mORD-MFR
$358

Search by stops

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Recent one-way flight deals

5/23jue.
nonstopSpirit Airlines
3h 50mPDX-ORD
$41
5/20lun.
nonstopSpirit Airlines
3h 50mPDX-ORD
$49
5/20lun.
1 stopFrontier
18h 32mPDX-ORD
$70
5/23jue.
1 stopFrontier
28h 16mPDX-ORD
$84
7/8lun.
1 stopSun Country Air
16h 00mPDX-ORD
$103
5/30jue.
1 stopDelta
6h 07mPDX-MDW
$108
7/3mié.
1 stopSun Country Air
15h 36mPDX-ORD
$112
5/30jue.
2 stops
14h 47mPDX-ORD
$114
5/27lun.
1 stopDelta
5h 59mPDX-ORD
$124
6/6jue.
1 stop
13h 23mPDX-RFD
$151

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to Chicago

Last minute flight, train and bus deals

5/8mié.
nonstopSpirit Airlines
3h 50mPDX-ORD
5/18sáb.
nonstopSpirit Airlines
4h 30mORD-PDX
$159
5/8mié.
nonstopSpirit Airlines
3h 50mPDX-ORD
5/13lun.
nonstopSpirit Airlines
4h 30mORD-PDX
$175
5/10vie.
multi-stopFrontier
17h 50mPDX-MDW
5/11sáb.
multi-stopFrontier
12h 16mMDW-PDX
$193
5/6lun.
multi-stop
21h 57mPDX-ORD
5/11sáb.
nonstop
4h 30mORD-PDX
$200
5/7mar.
multi-stop
21h 57mPDX-ORD
5/18sáb.
nonstop
4h 30mORD-PDX
$205
5/10vie.
multi-stopFrontier
17h 50mPDX-MDW
5/13lun.
multi-stopFrontier
20h 29mMDW-PDX
$207
5/8mié.
nonstopAmerican Airlines
4h 06mPDX-ORD
5/14mar.
nonstopAmerican Airlines
4h 28mORD-PDX
$308
5/8mié.
multi-stopUnited Airlines
11h 44mPDX-ORD
5/18sáb.
multi-stopUnited Airlines
6h 32mORD-PDX
$407
5/8mié.
multi-stopUnited Airlines
11h 44mPDX-ORD
5/14mar.
multi-stopUnited Airlines
6h 32mORD-PDX
$422
5/8mié.
multi-stopAmerican Airlines
8h 00mRDM-ORD
5/12dom.
multi-stopAmerican Airlines
9h 05mORD-RDM
$844

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Flights to Chicago

Return flight deals:

Chicago - Oregon

Cabin classes:

$585
$578
$852
$203