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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 9/11. 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
ter 6/18
ter 6/25

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In the last 7 days travelers have searched 41,904,688 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

6/5qua
nonstopSpirit Airlines
4h 07mPDX-ORD
6/12qua
nonstopSpirit Airlines
4h 27mORD-PDX
$68
6/12qua
nonstopSpirit Airlines
4h 07mPDX-ORD
6/19qua
nonstopSpirit Airlines
4h 27mORD-PDX
$73
5/29qua
nonstop
3h 50mPDX-ORD
6/5qua
1 stop
11h 57mORD-PDX
$125
6/5qua
nonstop
4h 07mPDX-ORD
6/10seg
1 stop
21h 32mORD-PDX
$130
6/4ter
1 stopFrontier
9h 11mPDX-MDW
6/22sáb
1 stopFrontier
12h 19mMDW-PDX
$169
5/30qui
1 stopFrontier
11h 27mPDX-ORD
6/5qua
1 stopFrontier
11h 57mORD-PDX
$170
9/10ter
nonstopAmerican Airlines
4h 05mPDX-ORD
9/14sáb
nonstopAmerican Airlines
4h 32mORD-PDX
$179
8/29qui
nonstopAmerican Airlines
4h 02mPDX-ORD
9/2seg
nonstopAmerican Airlines
4h 32mORD-PDX
$209
5/30qui
nonstopUnited Airlines
3h 58mPDX-ORD
6/3seg
nonstopUnited Airlines
4h 28mORD-PDX
$216
10/23qua
1 stopUnited Airlines
8h 41mEUG-ORD
10/27dom
1 stopUnited Airlines
8h 13mORD-EUG
$313

Search by stops

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Recent one-way flight deals

9/11qua
nonstopSpirit Airlines
3h 50mPDX-ORD
$48
6/3seg
nonstopSpirit Airlines
3h 50mPDX-ORD
$49
6/5qua
1 stopFrontier
8h 19mPDX-MDW
$85
5/31sex
1 stopFrontier
8h 25mPDX-MDW
$88
9/12qui
1 stop
7h 25mPDX-RFD
$103
8/15qui
nonstopAmerican Airlines
4h 02mPDX-ORD
$105
7/30ter
1 stop
26h 30mPDX-RFD
$107
5/31sex
1 stopDelta
6h 12mPDX-ORD
$108
10/12sáb
1 stopDelta
6h 02mPDX-ORD
$113
9/18qua
1 stopAmerican Airlines
6h 51mRDM-ORD
$139

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to Chicago

Last minute flight, train and bus deals

5/23qui
nonstopSpirit Airlines
3h 50mPDX-ORD
6/1sáb
nonstopSpirit Airlines
4h 30mORD-PDX
$110
5/23qui
nonstopSpirit Airlines
3h 50mPDX-ORD
5/28ter
multi-stopSpirit Airlines
14h 13mORD-PDX
$121
5/23qui
nonstop
3h 50mPDX-ORD
5/26dom
multi-stop
17h 43mORD-PDX
$164
5/23qui
multi-stopFrontier
28h 56mPDX-MDW
5/28ter
multi-stopFrontier
19h 43mMDW-PDX
$178
5/23qui
multi-stopFrontier
28h 56mPDX-MDW
5/28ter
multi-stopFrontier
24h 10mMDW-PDX
$184
5/22qua
nonstop
3h 50mPDX-ORD
5/29qua
multi-stop
14h 03mORD-PDX
$187
5/22qua
nonstopAmerican Airlines
4h 06mPDX-ORD
5/28ter
nonstopAmerican Airlines
4h 28mORD-PDX
$308
5/20seg
multi-stopDelta
6h 50mPDX-ORD
5/27seg
multi-stopDelta
7h 17mORD-PDX
$327
5/23qui
nonstopAmerican Airlines
4h 05mPDX-ORD
5/27seg
nonstopAmerican Airlines
4h 28mORD-PDX
$333
5/20seg
multi-stopDelta
8h 45mPDX-ORD
5/24sex
multi-stopDelta
7h 39mORD-PDX
$377

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Oregon

Cabin classes:

$412
$1,178
$689
$160