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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 8/6. 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 6/22
Sat 6/29

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In the last 7 days travelers have searched 43,800,826 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
$87
6/5Wed
nonstopSpirit Airlines
4h 07mPDX-ORD
6/10Mon
nonstopSpirit Airlines
4h 27mORD-PDX
$88
6/5Wed
2 stops
11h 23mPDX-ORD
6/19Wed
nonstop
4h 27mORD-PDX
$139
6/5Wed
nonstop
4h 07mPDX-ORD
6/13Thu
1 stop
19h 32mORD-PDX
$140
7/15Mon
1 stopAmerican Airlines
8h 14mBOI-ORD
7/20Sat
1 stopAmerican Airlines
6h 56mORD-BOI
$148
6/18Tue
1 stopAmerican Airlines
7h 08mBOI-ORD
7/1Mon
1 stopAmerican Airlines
8h 01mORD-BOI
$158
6/2Sun
1 stopFrontier
8h 21mPDX-MDW
6/12Wed
1 stopFrontier
9h 32mMDW-PDX
$176
6/6Thu
1 stopFrontier
11h 02mPDX-ORD
6/15Sat
1 stopFrontier
12h 34mORD-PDX
$180
10/8Tue
nonstopAlaska Airlines
4h 01mPDX-ORD
10/12Sat
nonstopAlaska Airlines
4h 32mORD-PDX
$193
8/5Mon
nonstopAlaska Airlines
4h 04mPDX-ORD
8/6Tue
1 stopAlaska Airlines
6h 22mORD-PDX
$203

Search by stops

Search by airline

Search by price

Recent one-way flight deals

8/6Tue
nonstopSpirit Airlines
3h 50mPDX-ORD
$48
5/29Wed
nonstopSpirit Airlines
3h 50mPDX-ORD
$49
6/14Fri
1 stopAmerican Airlines
7h 08mBOI-ORD
$79
7/3Wed
1 stopAmerican Airlines
7h 35mBOI-ORD
$84
6/22Sat
1 stopFrontier
8h 25mPDX-ORD
$90
5/28Tue
1 stopFrontier
8h 21mPDX-MDW
$90
7/4Thu
1 stop
13h 23mPDX-RFD
$100
7/21Sun
1 stopSun Country Air
16h 20mPDX-ORD
$101
6/20Thu
1 stopSun Country Air
9h 39mPDX-ORD
$116
7/31Wed
2 stops
16h 27mPDX-RFD
$128

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to Chicago

Last minute flight, train and bus deals

5/26Sun
nonstopSpirit Airlines
3h 50mPDX-ORD
5/29Wed
nonstopSpirit Airlines
4h 30mORD-PDX
$140
5/26Sun
nonstopSpirit Airlines
3h 50mPDX-ORD
5/30Thu
nonstopSpirit Airlines
4h 30mORD-PDX
$144
5/28Tue
multi-stop
22h 25mPDX-ORD
6/2Sun
nonstop
4h 30mORD-PDX
$150
5/28Tue
multi-stop
22h 25mPDX-ORD
6/5Wed
nonstop
4h 27mORD-PDX
$151
5/28Tue
multi-stopFrontier
8h 21mPDX-MDW
6/5Wed
multi-stopFrontier
9h 32mMDW-PDX
$176
5/28Tue
multi-stopFrontier
22h 25mPDX-ORD
6/5Wed
multi-stopFrontier
11h 57mORD-PDX
$180
5/28Tue
nonstopAlaska Airlines
4h 05mPDX-ORD
5/29Wed
nonstopAlaska Airlines
4h 20mORD-PDX
$302
5/27Mon
multi-stopAmerican Airlines
9h 37mPDX-ORD
5/27Mon
nonstopAmerican Airlines
4h 28mORD-PDX
$337
5/25Sat
multi-stopAmerican Airlines
9h 01mPDX-ORD
5/27Mon
multi-stopAmerican Airlines
8h 25mORD-PDX
$351
5/24Fri
nonstopAlaska Airlines
4h 05mPDX-ORD
5/28Tue
nonstopAlaska Airlines
4h 20mORD-PDX
$358

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Oregon

Cabin classes:

$412
$1,293
$689
$143