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$363 Find Cheap Flights from Illinois to Oslo

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Oslo departing on 1/17. 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

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Cheapest flight

$363
Flight from Chicago O'Hare Airport to Oslo Airport

FAQs for booking flights from Illinois to Oslo

  • How does KAYAK find such low prices on flights from Illinois to Oslo?

    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 Illinois to Oslo.

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

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

    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 Oslo with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oslo?

    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 Oslo from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to Oslo

Recent round-trip flight deals

1/17Fri
1 stopTAP AIR PORTUGAL
14h 35mORD-OSL
1/21Tue
1 stopTAP AIR PORTUGAL
27h 45mOSL-ORD
$363
1/17Fri
1 stopTAP AIR PORTUGAL
14h 35mORD-OSL
1/25Sat
1 stopTAP AIR PORTUGAL
27h 45mOSL-ORD
$382
2/2Sun
1 stopScandinavian Airlines
19h 30mORD-OSL
2/17Mon
1 stopScandinavian Airlines
18h 50mOSL-ORD
$406
2/2Sun
1 stopScandinavian Airlines
21h 30mORD-OSL
2/9Sun
1 stopScandinavian Airlines
27h 50mOSL-ORD
$409
4/12Sat
1 stopIcelandair
10h 05mORD-OSL
4/20Sun
1 stopIcelandair
11h 30mOSL-ORD
$483
4/23Wed
1 stopIcelandair
10h 05mORD-OSL
5/7Wed
1 stopIcelandair
11h 45mOSL-ORD
$505
1/17Fri
1 stopBritish Airways
11h 25mORD-OSL
1/25Sat
2 stopsBritish Airways
19h 15mOSL-ORD
$519
1/17Fri
1 stopBritish Airways
11h 25mORD-OSL
1/21Tue
2 stopsBritish Airways
19h 49mOSL-ORD
$521
1/17Fri
2 stopsAir Canada
18h 25mORD-OSL
1/21Tue
2 stopsAir Canada
19h 40mOSL-ORD
$522
1/17Fri
2 stopsAir Canada
21h 37mORD-OSL
1/25Sat
2 stopsAir Canada
19h 43mOSL-ORD
$529

Search by stops

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Recent one-way flight deals

3/26Wed
1 stopBritish Airways
17h 35mORD-OSL
$409
3/26Wed
2 stopsBritish Airways
15h 35mORD-OSL
$413
12/28Sat
1 stopKLM
21h 25mORD-OSL
$420
12/25Wed
2 stopsUnited Airlines
22h 50mORD-OSL
$446
12/25Wed
1 stopKLM
21h 25mORD-OSL
$480
12/25Wed
2 stopsUnited Airlines
20h 40mORD-OSL
$481
12/28Sat
2 stopsAir Canada
20h 05mORD-OSL
$482
3/27Thu
3 stops
41h 55mSTL-OSL
$506
3/27Thu
2 stopsBritish Airways
27h 22mSTL-OSL
$512
12/28Sat
3 stops
27h 40mORD-OSL
$549

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Last minute flights from Illinois to Oslo

Last minute flight, train and bus deals

12/24Tue
multi-stopUnited Airlines
32h 33mORD-OSL
12/30Mon
multi-stopUnited Airlines
15h 55mOSL-ORD
$806
12/24Tue
multi-stopUnited Airlines
32h 33mORD-OSL
12/30Mon
multi-stopUnited Airlines
24h 05mOSL-ORD
$811
12/23Mon
multi-stop
18h 35mORD-OSL
12/25Wed
multi-stop
16h 20mOSL-ORD
$922
12/23Mon
multi-stopLufthansa
14h 25mORD-OSL
12/25Wed
multi-stopLufthansa
13h 35mOSL-ORD
$1,116
12/23Mon
multi-stop
21h 50mORD-OSL
12/25Wed
multi-stop
33h 45mOSL-ORD
$1,513
12/22Sun
multi-stopLufthansa
16h 05mORD-OSL
1/5Sun
multi-stopLufthansa
28h 20mOSL-ORD
$1,795
12/20Fri
multi-stopScandinavian Airlines
10h 55mORD-TRF
12/26Thu
multi-stopScandinavian Airlines
33h 50mTRF-ORD
$2,226
12/20Fri
multi-stopDelta
19h 25mMDW-OSL
12/26Thu
multi-stopDelta
16h 47mOSL-MDW
$2,492
12/22Sun
multi-stopDelta
16h 12mMDW-OSL
1/5Sun
multi-stopDelta
18h 24mOSL-MDW
$2,760
12/22Sun
multi-stopScandinavian Airlines
10h 15mORD-TRF
1/5Sun
multi-stopScandinavian Airlines
27h 50mTRF-ORD
$3,828

Search by stops

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Everything you need to know for your flight to Oslo

Cabin class types available on flights to Illinois

Cabin classes available on flights to Oslo. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Oslo
Business Class flights to Oslo
Prem Econ Class flights to Oslo
Economy Class flights to Oslo

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