$253+ Cheap flights from Chicago (CHI) to Oslo
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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
May 1 — May 81
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Oslo 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
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Cheapest flights from Chicago to OsloExplore the most affordable flight options available from Chicago to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
Explore the most affordable flight options available from Chicago to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
This Sembo deal was found by Cheapflights users on 3/30. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 pm
ORD
- OSL
1 stop10h 00m
Icelandair
Thu 4/301:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Deal found 3/30![Icelandair logo]()
$508
This Ticket deal was found by Cheapflights users on 3/28. 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 4/127:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sat 4/254:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Deal found 3/28![Icelandair logo]()
$511
This Mytrip deal was found by Cheapflights users on 3/27. 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 4/137:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sun 4/264:30 pm
OSL
- ORD
1 stop11h 55m
Icelandair
Deal found 3/27![Icelandair logo]()
$544
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Fri 4/241:50 pm
OSL
- ORD
1 stop14h 35m
Icelandair
Deal found 3/31![Icelandair logo]()
$545
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sun 4/194:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Deal found 3/28![Icelandair logo]()
$546
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sat 4/254:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Deal found 3/27![Icelandair logo]()
$550
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sat 5/21:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Deal found 3/31![Icelandair logo]()
$551
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Sun 5/31:50 pm
OSL
- ORD
1 stop14h 35m
Icelandair
Deal found 3/31![Icelandair logo]()
$553
This Delta deal was found by Cheapflights users on 3/31. 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 4/271:24 pm
MDW
- OSL
2 stops17h 21m
Delta
Mon 5/46:30 am
OSL
- MDW
2 stops18h 28m
Delta
Deal found 3/31![Delta logo]()
$714
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:59 pm
MDW
- OSL
2 stops15h 21m
Delta
Thu 12/107:50 am
OSL
- MDW
2 stops17h 47m
Delta
Deal found 3/30![Delta logo]()
$733
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 4/221:24 pm
MDW
- OSL
2 stops17h 16m
Delta
Tue 4/288:00 am
OSL
- MDW
2 stops17h 36m
Delta
Deal found 4/1![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 3/31. 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 5/111:22 pm
MDW
- OSL
2 stops17h 23m
Delta
Fri 5/159:20 am
OSL
- MDW
2 stops16h 13m
Delta
Deal found 3/31![Delta logo]()
$744
Best flights from Chicago to OsloDiscover carefully curated flight deals from Chicago to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
Discover carefully curated flight deals from Chicago to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
This Delta deal was found by Cheapflights users on 3/28. 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 4/271:36 pm
ORD
- OSL
2 stops17h 09m
Delta
Mon 5/46:30 am
OSL
- ORD
1 stop15h 00m
Delta
Deal found 3/28![Delta logo]()
$705
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:40 am
ORD
- OSL
2 stops17h 25m
United Airlines
Sat 8/226:15 am
OSL
- ORD
2 stops17h 42m
United Airlines
Deal found 3/29![United Airlines logo]()
$760
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:16 pm
ORD
- TRF
2 stops36h 14m
Scandinavian Airlines
Sun 5/173:05 pm
TRF
- ORD
1 stop32h 05m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$1,143
This Icelandair deal was found by Cheapflights users on 4/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Mon 6/812:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,195
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/224:50 pm
ORD
- OSL
1 stop16h 30m
Delta
Tue 4/288:00 am
OSL
- ORD
2 stops18h 52m
Delta
Deal found 3/27![Delta logo]()
$733
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/145:55 pm
ORD
- OSL
1 stop13h 50m
United Airlines
Tue 5/196:45 am
OSL
- ORD
1 stop12h 15m
United Airlines
Deal found 3/27![United Airlines logo]()
$796
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 4/221:24 pm
MDW
- OSL
2 stops17h 16m
Delta
Tue 4/288:00 am
OSL
- MDW
2 stops17h 36m
Delta
Deal found 4/1![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 3/28. 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 4/255:10 pm
ORD
- OSL
1 stop11h 35m
Delta
Sat 5/211:50 am
OSL
- ORD
2 stops15h 50m
Delta
Deal found 3/28![Delta logo]()
$743
This Delta deal was found by Cheapflights users on 3/31. 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 5/127:13 pm
MDW
- OSL
2 stops18h 27m
Delta
Wed 5/2011:50 am
OSL
- MDW
2 stops13h 43m
Delta
Deal found 3/31![Delta logo]()
$744
This Delta deal was found by Cheapflights users on 3/31. 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 5/118:05 pm
ORD
- OSL
2 stops15h 40m
Delta
Thu 5/219:20 am
OSL
- ORD
2 stops17h 00m
Delta
Deal found 3/31![Delta logo]()
$744
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:34 pm
MDW
- OSL
2 stops15h 06m
Delta
Sat 4/186:30 am
OSL
- MDW
2 stops19h 06m
Delta
Deal found 3/30![Delta logo]()
$748
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:16 pm
ORD
- TRF
2 stops36h 14m
Scandinavian Airlines
Sat 5/306:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$1,250
This Icelandair deal was found by Cheapflights users on 3/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Mon 7/2012:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,327
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 5/19:29 am
MDW
- OSL
2 stops16h 11m
Delta
Sun 5/1011:50 am
OSL
- MDW
2 stops13h 43m
Delta
Deal found 3/27![Delta logo]()
$752
This Delta deal was found by Cheapflights users on 3/28. 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 4/127:20 pm
MDW
- OSL
2 stops14h 00m
Delta
Sat 4/256:30 am
OSL
- MDW
2 stops19h 06m
Delta
Deal found 3/28![Delta logo]()
$752
This Icelandair deal was found by Cheapflights users on 3/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Fri 7/1712:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,379
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:27 am
MDW
- OSL
2 stops16h 18m
Delta
Mon 4/279:20 am
OSL
- MDW
2 stops16h 16m
Delta
Deal found 3/30![Delta logo]()
$752
This Icelandair deal was found by Cheapflights users on 3/27. 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.
Wed 8/1210:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Wed 8/2612:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,382
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:10 pm
ORD
- OSL
1 stop11h 35m
Delta
Fri 9/2511:50 am
OSL
- ORD
2 stops16h 46m
Delta
Deal found 3/29![Delta logo]()
$774
This Icelandair deal was found by Cheapflights users on 3/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Sun 7/1912:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,479
This Icelandair deal was found by Cheapflights users on 3/28. 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.
Wed 7/810:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Wed 7/2212:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,509
This Icelandair deal was found by Cheapflights users on 3/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Mon 8/312:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,519
This Icelandair deal was found by Cheapflights users on 3/27. 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.
Tue 7/710:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Tue 7/2112:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,528
This Icelandair deal was found by Cheapflights users on 3/28. 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 6/110:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Mon 6/812:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,559
This Icelandair deal was found by Cheapflights users on 3/31. 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.
Wed 7/110:25 pm
ORD
- TRF
2 stops12h 35m
Multiple Airlines
Wed 7/1512:10 pm
TRF
- ORD
2 stops13h 05m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,657
Last-minute flights from Chicago to OsloDiscover last-minute flight deals from Chicago to Oslo. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Oslo. Data last updated April 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:34 pm
MDW
- OSL
2 stops15h 06m
Delta
Sat 4/186:30 am
OSL
- MDW
2 stops19h 06m
Delta
Deal found 3/30![Delta logo]()
$748
This Ticket deal was found by Cheapflights users on 3/28. 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 4/127:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sat 4/254:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Deal found 3/28![Icelandair logo]()
$511
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sun 4/194:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Deal found 3/28![Icelandair logo]()
$546
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:34 pm
MDW
- OSL
2 stops14h 46m
Delta
Sat 4/256:30 am
OSL
- MDW
2 stops18h 28m
Delta
Deal found 3/30![Delta logo]()
$752
This Mytrip deal was found by Cheapflights users on 3/27. 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 4/137:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sun 4/264:30 pm
OSL
- ORD
1 stop11h 55m
Icelandair
Deal found 3/27![Icelandair logo]()
$544
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sat 4/254:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Deal found 3/27![Icelandair logo]()
$550
This Sembo deal was found by Cheapflights users on 3/30. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 pm
ORD
- OSL
1 stop10h 00m
Icelandair
Thu 4/301:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Deal found 3/30![Icelandair logo]()
$508
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Fri 4/241:50 pm
OSL
- ORD
1 stop14h 35m
Icelandair
Deal found 3/31![Icelandair logo]()
$545
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 4/221:24 pm
MDW
- OSL
2 stops17h 16m
Delta
Tue 4/288:00 am
OSL
- MDW
2 stops17h 36m
Delta
Deal found 4/1![Delta logo]()
$737
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Sat 5/21:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Deal found 3/31![Icelandair logo]()
$551
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Sun 5/31:50 pm
OSL
- ORD
1 stop14h 35m
Icelandair
Deal found 3/31![Icelandair logo]()
$553
This Delta deal was found by Cheapflights users on 3/31. 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 4/271:24 pm
MDW
- OSL
2 stops17h 21m
Delta
Mon 5/46:30 am
OSL
- MDW
2 stops18h 28m
Delta
Deal found 3/31![Delta logo]()
$714
One-way flights from Chicago to OsloSearch for one-way flight options from Chicago to Oslo. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
Search for one-way flight options from Chicago to Oslo. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 3/31![Icelandair logo]()
$253
This Mytrip deal was found by Cheapflights users on 3/27. 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 4/139:06 am
ORD
- OSL
3 stops20h 29m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$277
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:50 pm
ORD
- OSL
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$308
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:50 pm
ORD
- OSL
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 4/137:25 pm
ORD
- TRF
3 stops38h 35m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:05 pm
ORD
- OSL
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$319
This Delta deal was found by Cheapflights users on 3/31. 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 9/77:55 pm
ORD
- OSL
2 stops15h 50m
Delta
Deal found 3/31![Delta logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 pm
ORD
- OSL
1 stop35h 00m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Fri 8/76:00 pm
ORD
- OSL
1 stop35h 00m
TAP AIR PORTUGAL
Deal found 3/31![TAP AIR PORTUGAL logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sun 9/277:25 pm
ORD
- TRF
2 stops35h 50m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 9/267:25 pm
ORD
- TRF
2 stops18h 50m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 8/39:40 pm
ORD
- TRF
2 stops36h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$374
Find flight deals from Chicago to Oslo
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 1, 2026.
Round-trip from | $508 (Sembo) |
|---|---|
One-way from | $253 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $614 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Oslo 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 April 1, 2026.
Use the filters below to find and compare flights from Chicago to Oslo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Mon 4/27
1:36 pm-1:45 pm
2 stops17h 09m
Oslo Gardermoen
Mon 5/4
6:30 am-2:30 pm
1 stop15h 00m
$705
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Wed 4/22
4:50 pm-4:20 pm
1 stop16h 30m
Oslo Gardermoen
Tue 4/28
8:00 am-7:52 pm
2 stops18h 52m
$733
ChicagoOslo
MDW - OSL
MDWOSL
Chicago Midway
Wed 4/22
1:24 pm-1:40 pm
2 stops17h 16m
Oslo Gardermoen
Tue 4/28
8:00 am-6:36 pm
2 stops17h 36m
$737
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Sat 4/25
5:10 pm-11:45 am
1 stop11h 35m
Oslo Gardermoen
Sat 5/2
11:50 am-8:40 pm
2 stops15h 50m
$743
ChicagoOslo
MDW - OSL
MDWOSL
Chicago Midway
Tue 5/12
7:13 pm-8:40 pm
2 stops18h 27m
Oslo Gardermoen
Wed 5/20
11:50 am-6:33 pm
2 stops13h 43m
$744
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Mon 5/11
8:05 pm-6:45 pm
2 stops15h 40m
Oslo Gardermoen
Thu 5/21
9:20 am-7:20 pm
2 stops17h 00m
$744
ChicagoOslo
MDW - OSL
MDWOSL
Chicago Midway
Sat 4/11
6:34 pm-4:40 pm
2 stops15h 06m
Oslo Gardermoen
Sat 4/18
6:30 am-6:36 pm
2 stops19h 06m
$748
ChicagoOslo
MDW - OSL
MDWOSL
Chicago Midway
Fri 5/1
9:29 am-8:40 am
2 stops16h 11m
Oslo Gardermoen
Sun 5/10
11:50 am-6:33 pm
2 stops13h 43m
$752
ChicagoOslo
MDW - OSL
MDWOSL
Chicago Midway
Sun 4/12
7:20 pm-4:20 pm
2 stops14h 00m
Oslo Gardermoen
Sat 4/25
6:30 am-6:36 pm
2 stops19h 06m
$752
ChicagoOslo
MDW - OSL
MDWOSL
Chicago Midway
Thu 4/23
9:27 am-8:45 am
2 stops16h 18m
Oslo Gardermoen
Mon 4/27
9:20 am-6:36 pm
2 stops16h 16m
$752
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Chicago to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from Chicago with our price prediction graph.
CHI-OS1
ORD-TRF
ORD-OSL
MDW-OSL
MDW-TRF
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 Chicago to Oslo
CHI-OS1
ORD-TRF
ORD-OSL
MDW-OSL
MDW-TRF
How far ahead should I book a flight from Chicago to Oslo?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Oslo. Price data was last updated on March 13, 2026.
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago to Oslo?
Currently, March is the cheapest month in which you can book a flight from Chicago to Oslo (average of $364). Flying from Chicago to Oslo in June is currently the most expensive (average of $675). 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.
How much does it cost to fly round-trip from Chicago to Oslo?
How often are flights from Chicago to Oslo delayed?
About 40% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 226 minutes.
What is the most punctual flight time for Chicago to Oslo flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Oslo flights?
Over the last year, Atlas Air have had the lowest number of delays on this route, with just 46% of flights being delayed.
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. 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 Oslo. Reviews last updated April 1, 2026.
Read through reviews of airlines operating flights from Chicago to Oslo, such as KLM,United Airlines, andScandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Overall
7.8
Boarding
7.8
Crew
8.4
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Related info for your journey
Find useful and relevant information for your journey from Chicago to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Oslo
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Complete your trip
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Search flights from Chicago to Oslo by cabin class
Find flights from Chicago to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Oslo flights
Browse other Chicago and Oslo flight options. Last updated on April 1, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on April 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from Chicago to Oslo
Discover the top 9 airlines that operate flights from Chicago to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$387 | Average$716 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$397 | Average$601 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$690 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$494 | Average$579 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$505 | Average$593 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$513 | Average$647 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$513 | Average$663 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$532 | Average$619 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$770 | FlexibilityNo cancel fee | On-time75% |