$248+ Cheap flights from Oslo Gardermoen (OSL) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — ORD
Mar 4 — Mar 111
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Oslo Gardermoen to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oslo Gardermoen to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Oslo Gardermoen to IllinoisExplore the most affordable flight options available from Oslo Gardermoen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
Explore the most affordable flight options available from Oslo Gardermoen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
This Ticket deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Fri 4/2410:25 pm
ORD
- OSL
1 stop10h 00m
Icelandair
Deal found 1/31![Icelandair logo]()
$393
This Ticket deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Tue 4/217:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 1/31![Icelandair logo]()
$396
This Ticket deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Sat 4/257:25 pm
ORD
- OSL
1 stop13h 00m
Icelandair
Deal found 1/31![Icelandair logo]()
$397
This Travelis deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Tue 4/217:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 1/31![Icelandair logo]()
$410
This Ticket deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:30 pm
OSL
- ORD
1 stop26h 50m
Icelandair
Sun 3/297:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 1/30![Icelandair logo]()
$413
This Travelis deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Wed 4/227:25 pm
ORD
- OSL
1 stop13h 00m
Icelandair
Deal found 1/31![Icelandair logo]()
$424
This Travelis deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:15 am
OSL
- ORD
1 stop16h 20m
Multiple Airlines
Sun 8/29:15 pm
ORD
- OSL
1 stop19h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$451
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:30 am
OSL
- MDW
2 stops18h 07m
KLM
Tue 3/31:29 pm
MDW
- OSL
2 stops12h 11m
KLM
Deal found 2/1![KLM logo]()
$472
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pm
OSL
- ORD
1 stop11h 10m
Icelandair
Tue 3/36:30 pm
ORD
- OSL
1 stop10h 05m
Icelandair
Deal found 2/1![Icelandair logo]()
$481
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:30 am
OSL
- MDW
2 stops18h 28m
Delta
Tue 4/211:23 pm
MDW
- OSL
2 stops17h 22m
Delta
Deal found 1/31![Delta logo]()
$498
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
OSL
- MDW
2 stops17h 36m
Delta
Sat 4/251:23 pm
MDW
- OSL
2 stops14h 42m
Delta
Deal found 1/31![Delta logo]()
$521
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:00 am
OSL
- MDW
2 stops17h 40m
Delta
Sat 4/189:27 am
MDW
- OSL
2 stops16h 18m
Delta
Deal found 1/31![Delta logo]()
$559
Best flights from Oslo Gardermoen to IllinoisDiscover carefully curated flight deals from Oslo Gardermoen to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Oslo Gardermoen to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This Ticket deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Tue 4/217:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 1/30![Icelandair logo]()
$430
This Travelis deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:15 am
OSL
- ORD
1 stop16h 20m
Multiple Airlines
Sun 8/29:15 pm
ORD
- OSL
1 stop19h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:20 am
OSL
- ORD
1 stop12h 10m
Delta
Tue 4/211:36 pm
ORD
- OSL
2 stops17h 09m
Delta
Deal found 1/31![Delta logo]()
$493
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:05 am
OSL
- STL
1 stop14h 50m
United Airlines
Sun 3/87:00 pm
STL
- OSL
2 stops22h 30m
United Airlines
Deal found 1/30![United Airlines logo]()
$580
This Ticket deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:05 am
OSL
- STL
2 stops24h 54m
Lufthansa
Thu 2/1911:39 am
STL
- OSL
2 stops18h 21m
Lufthansa
Deal found 1/31![Lufthansa logo]()
$583
This American Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:55 am
OSL
- STL
2 stops17h 03m
American Airlines
Sun 3/810:33 am
STL
- OSL
2 stops30h 07m
American Airlines
Deal found 1/30![American Airlines logo]()
$586
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pm
OSL
- ORD
1 stop11h 10m
Icelandair
Tue 3/36:30 pm
ORD
- OSL
1 stop10h 05m
Icelandair
Deal found 2/1![Icelandair logo]()
$481
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:20 am
OSL
- ORD
1 stop11h 55m
Delta
Tue 4/211:36 pm
ORD
- OSL
2 stops17h 09m
Delta
Deal found 1/31![Delta logo]()
$493
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:30 am
OSL
- ORD
1 stop14h 45m
Delta
Mon 5/118:05 pm
ORD
- OSL
2 stops15h 40m
Delta
Deal found 1/31![Delta logo]()
$493
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:05 am
OSL
- STL
2 stops17h 55m
United Airlines
Wed 3/259:00 am
STL
- OSL
2 stops26h 40m
United Airlines
Deal found 1/31![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:30 am
OSL
- MDW
2 stops18h 28m
Delta
Tue 4/211:23 pm
MDW
- OSL
2 stops17h 22m
Delta
Deal found 1/31![Delta logo]()
$498
This Lufthansa deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:05 am
OSL
- STL
1 stop14h 50m
Lufthansa
Wed 3/254:50 pm
STL
- OSL
1 stop16h 30m
Lufthansa
Deal found 1/31![Lufthansa logo]()
$608
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 am
OSL
- MDW
2 stops18h 28m
Delta
Tue 4/211:23 pm
MDW
- OSL
2 stops17h 22m
Delta
Deal found 1/31![Delta logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:50 pm
OSL
- MDW
2 stops31h 10m
Multiple Airlines
Fri 4/247:30 am
MDW
- OSL
1 stop16h 15m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:00 am
OSL
- MDW
2 stops17h 40m
Delta
Sat 4/189:27 am
MDW
- OSL
2 stops16h 18m
Delta
Deal found 1/31![Delta logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:50 pm
OSL
- MDW
2 stops31h 10m
Multiple Airlines
Sat 4/257:30 am
MDW
- OSL
1 stop17h 05m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
OSL
- MDW
2 stops17h 36m
Delta
Fri 4/246:38 pm
MDW
- OSL
2 stops14h 42m
Delta
Deal found 1/31![Delta logo]()
$619
This Air Canada deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/159:35 am
OSL
- STL
2 stops36h 54m
Multiple Airlines
Thu 2/199:55 am
STL
- OSL
3 stops20h 05m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:30 am
OSL
- MDW
2 stops18h 28m
Delta
Mon 5/111:22 pm
MDW
- OSL
2 stops17h 23m
Delta
Deal found 1/31![Delta logo]()
$690
This Icelandair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:50 pm
OSL
- MDW
2 stops16h 40m
Multiple Airlines
Tue 4/2112:50 pm
MDW
- OSL
3 stops16h 45m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$975
This Air Canada deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:50 pm
OSL
- STL
2 stops31h 39m
Multiple Airlines
Wed 3/254:05 pm
STL
- OSL
3 stops42h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,057
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:25 am
OSL
- MDW
2 stops19h 06m
Delta
Sun 3/297:20 pm
MDW
- OSL
2 stops14h 00m
Delta
Deal found 1/31![Delta logo]()
$1,070
This Icelandair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:50 pm
OSL
- MDW
2 stops15h 35m
Multiple Airlines
Sun 8/24:55 pm
MDW
- OSL
2 stops12h 40m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,389
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 am
OSL
- MDW
2 stops18h 28m
Delta
Wed 4/226:38 pm
MDW
- OSL
2 stops14h 42m
Delta
Deal found 1/31![Delta logo]()
$1,319
Last-minute flights from Oslo Gardermoen to IllinoisDiscover last-minute flight deals from Oslo Gardermoen to Illinois. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Oslo Gardermoen to Illinois. Data last updated February 2, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/49:05 pm
OSL
- ORD
2 stops49h 20m
TAP AIR PORTUGAL
Sun 2/88:25 pm
ORD
- OSL
1 stop14h 30m
TAP AIR PORTUGAL
Deal found 2/1![TAP AIR PORTUGAL logo]()
$638
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:00 am
OSL
- ORD
1 stop15h 45m
Scandinavian Airlines
Sun 2/87:10 pm
ORD
- OSL
1 stop17h 05m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$687
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:05 am
OSL
- ORD
1 stop12h 40m
Scandinavian Airlines
Mon 2/97:20 pm
ORD
- OSL
1 stop18h 00m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:05 am
OSL
- ORD
2 stops36h 01m
United Airlines
Sun 2/812:00 pm
ORD
- OSL
2 stops16h 00m
United Airlines
Deal found 2/1![United Airlines logo]()
$730
This Scandinavian Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/55:55 am
OSL
- ORD
1 stop17h 50m
Scandinavian Airlines
Mon 2/97:20 pm
ORD
- OSL
1 stop30h 00m
Scandinavian Airlines
Deal found 1/29![Scandinavian Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:15 am
OSL
- ORD
1 stop14h 10m
United Airlines
Mon 2/96:00 pm
ORD
- OSL
1 stop16h 40m
United Airlines
Deal found 1/30![United Airlines logo]()
$728
This Ticket deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:05 am
OSL
- STL
2 stops24h 54m
Lufthansa
Thu 2/1911:39 am
STL
- OSL
2 stops18h 21m
Lufthansa
Deal found 1/31![Lufthansa logo]()
$583
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:30 am
OSL
- MDW
2 stops18h 07m
KLM
Tue 3/31:29 pm
MDW
- OSL
2 stops12h 11m
KLM
Deal found 2/1![KLM logo]()
$472
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pm
OSL
- ORD
1 stop11h 10m
Icelandair
Tue 3/36:30 pm
ORD
- OSL
1 stop10h 05m
Icelandair
Deal found 2/1![Icelandair logo]()
$481
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:30 am
OSL
- ORD
2 stops18h 31m
Delta
Tue 3/35:37 pm
ORD
- OSL
2 stops15h 43m
Delta
Deal found 2/1![Delta logo]()
$519
This Ticket deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:00 am
OSL
- ORD
1 stop13h 45m
Scandinavian Airlines
Tue 3/310:36 am
ORD
- OSL
2 stops19h 34m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:45 pm
OSL
- ORD
1 stop13h 20m
United Airlines
Tue 3/31:02 pm
ORD
- OSL
2 stops14h 58m
United Airlines
Deal found 2/1![United Airlines logo]()
$551
One-way flights from Oslo Gardermoen to IllinoisSearch for one-way flight options from Oslo Gardermoen to Illinois. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Oslo Gardermoen to Illinois. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:45 am
OSL
- ORD
1 stop13h 05m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$248
This Finnair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:05 pm
OSL
- ORD
1 stop26h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$254
This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:30 pm
OSL
- ORD
2 stops28h 45m
Finnair
Deal found 1/30![Finnair logo]()
$256
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:20 pm
OSL
- ORD
2 stops27h 30m
Finnair
Deal found 1/29![Finnair logo]()
$258
This American Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:50 pm
OSL
- ORD
1 stop12h 00m
American Airlines
Deal found 1/30![American Airlines logo]()
$318
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:30 pm
OSL
- ORD
2 stops28h 45m
Finnair
Deal found 1/31![Finnair logo]()
$322
This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:20 pm
OSL
- ORD
2 stops27h 30m
Finnair
Deal found 1/31![Finnair logo]()
$324
This Finnair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:30 pm
OSL
- ORD
2 stops25h 30m
Finnair
Deal found 1/31![Finnair logo]()
$325
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:00 am
OSL
- ORD
1 stop16h 35m
American Airlines
Deal found 1/31![American Airlines logo]()
$330
This British Airways deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:10 pm
OSL
- ORD
1 stop29h 45m
British Airways
Deal found 1/29![British Airways logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:10 pm
OSL
- ORD
1 stop12h 05m
Aer Lingus
Deal found 1/31![Aer Lingus logo]()
$335
This Finnair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:35 am
OSL
- STL
2 stops22h 11m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$341
Find flight deals from Oslo Gardermoen to Illinois
Keep the following information in mind while searching for Oslo Gardermoen to Illinois flight deals. Data was last updated February 2, 2026.
Round-trip from | $393 (Ticket) |
|---|---|
One-way from | $248 (Gotogate) |
Popular in | July |
Cheapest in | November |
Average price | $543 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oslo Gardermoen to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Illinois that are best for you.
Fly from
Oslo Gardermoen
Fly to
Illinois
Route
Depart
Return
Price
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 4/13
1:50 pm-6:15 pm
1 stop11h 25m
Chicago O'Hare Intl
Tue 4/21
7:25 pm-12:35 pm
1 stop10h 10m
$430
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Sat 6/6
8:15 am-5:35 pm
1 stop16h 20m
Chicago O'Hare Intl
Sun 8/2
9:15 pm-11:40 pm
1 stop19h 25m
$451
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Thu 2/26
1:10 pm-5:20 pm
1 stop11h 10m
Chicago O'Hare Intl
Tue 3/3
6:30 pm-11:35 am
1 stop10h 05m
$481
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 4/13
9:20 am-2:30 pm
1 stop12h 10m
Chicago O'Hare Intl
Tue 4/21
1:36 pm-1:45 pm
2 stops17h 09m
$493
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Tue 4/14
9:20 am-2:15 pm
1 stop11h 55m
Chicago O'Hare Intl
Tue 4/21
1:36 pm-1:45 pm
2 stops17h 09m
$493
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Sat 5/2
6:30 am-2:15 pm
1 stop14h 45m
Chicago O'Hare Intl
Mon 5/11
8:05 pm-6:45 pm
2 stops15h 40m
$493
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Mon 4/13
6:30 am-5:58 pm
2 stops18h 28m
Chicago Midway
Tue 4/21
1:23 pm-1:45 pm
2 stops17h 22m
$498
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Tue 4/14
6:30 am-5:58 pm
2 stops18h 28m
Chicago Midway
Tue 4/21
1:23 pm-1:45 pm
2 stops17h 22m
$498
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Sat 4/11
8:00 am-6:40 pm
2 stops17h 40m
Chicago Midway
Sat 4/18
9:27 am-8:45 am
2 stops16h 18m
$559
OsloSt. Louis
OSL - STL
OSLSTL
Oslo Gardermoen
Wed 3/4
6:05 am-1:55 pm
1 stop14h 50m
Lambert-St Louis
Sun 3/8
7:00 pm-11:30 pm
2 stops22h 30m
$580
Showing 1-10 of 46 results
Best time to book a flight from Oslo Gardermoen to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Oslo Gardermoen with our price prediction graph.
OSL-MDW
OSL-ORD
OSL-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Oslo Gardermoen Airport to Illinois
OSL-USIL
OSL-MDW
OSL-ORD
OSL-STL
What is the cheapest month to book a flight from Oslo Gardermoen Airport to Illinois?
Currently, April is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Illinois (average of $340). Flying from Oslo Gardermoen Airport to Illinois in July is currently the most expensive (average of $565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated February 2, 2026.
Read reviews from past customers who have flown Scandinavian Airlines, Icelandair, and Lufthansa from Oslo Gardermoen Airport to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
6.6
Food
6.6
Boarding
7.6
Overall
7.3
Crew
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Jan 2026
CPH - FRA
Comfort
7.3
Entertainment
6.6
Food
6.6
Boarding
7.6
Overall
7.3
Crew
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Jan 2026
CPH - FRA
Comfort
7.3
Entertainment
6.6
Food
6.6
Boarding
7.6
Overall
7.3
Crew
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Jan 2026
CPH - FRA
Comfort
7.3
Entertainment
6.6
Food
6.6
Boarding
7.6
Overall
7.3
Crew
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Jan 2026
CPH - FRA