$387+ Cheap flights from Oslo to Chicago (CHI)
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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — CHI
May 1 — May 81
Round-trip
1 adult, Economy
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Cheapest flights from Oslo to ChicagoExplore the most affordable flight options available from Oslo to Chicago. 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 Oslo to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
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.
Thu 4/91:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Sat 4/257:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 3/28![Icelandair logo]()
$470
This Travelis 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:50 pm
OSL
- ORD
1 stop14h 35m
Icelandair
Sun 4/2610:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Deal found 3/31![Icelandair logo]()
$471
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:35 am
OSL
- ORD
1 stop16h 15m
Finnair
Sun 4/269:30 pm
ORD
- OSL
1 stop12h 05m
Finnair
Deal found 3/27![Finnair logo]()
$521
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:35 am
OSL
- ORD
1 stop16h 15m
Finnair
Tue 5/123:57 pm
ORD
- OSL
2 stops17h 38m
Finnair
Deal found 3/27![Finnair logo]()
$530
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 4/286:30 am
OSL
- ORD
1 stop14h 45m
Delta
Tue 5/58:32 pm
ORD
- OSL
2 stops15h 13m
Delta
Deal found 3/31![Delta logo]()
$537
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.
Mon 9/144:30 pm
OSL
- ORD
1 stop32h 45m
Icelandair
Mon 10/57:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 3/28![Icelandair logo]()
$541
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 4/286:30 am
OSL
- MDW
2 stops19h 06m
Delta
Tue 5/57:16 pm
MDW
- OSL
2 stops16h 29m
Delta
Deal found 3/31![Delta logo]()
$542
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 pm
OSL
- ORD
1 stop26h 15m
KLM
Tue 5/54:20 pm
ORD
- OSL
1 stop11h 45m
KLM
Deal found 3/31![KLM logo]()
$548
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.
Fri 5/16:30 am
OSL
- MDW
2 stops18h 28m
Delta
Fri 5/87:13 pm
MDW
- OSL
2 stops14h 07m
Delta
Deal found 3/30![Delta logo]()
$553
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:45 am
OSL
- ORD
1 stop16h 50m
Multiple Airlines
Sat 4/254:55 pm
ORD
- OSL
1 stop14h 25m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$557
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.
Tue 5/59:20 am
OSL
- MDW
2 stops16h 16m
Delta
Tue 5/126:36 pm
MDW
- OSL
2 stops16h 59m
Delta
Deal found 3/27![Delta logo]()
$559
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:35 pm
TRF
- ORD
1 stop33h 10m
Scandinavian Airlines
Tue 11/107:20 pm
ORD
- TRF
1 stop11h 45m
Scandinavian Airlines
Deal found 3/28![Scandinavian Airlines logo]()
$644
Best flights from Oslo to ChicagoDiscover carefully curated flight deals from Oslo to Chicago 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 Oslo to Chicago 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 3/30. 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.
Tue 4/289:20 am
OSL
- ORD
1 stop11h 55m
Delta
Tue 5/54:20 pm
ORD
- OSL
1 stop17h 00m
Delta
Deal found 3/30![Delta logo]()
$549
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:20 pm
OSL
- ORD
1 stop27h 55m
Multiple Airlines
Fri 5/85:10 pm
ORD
- OSL
1 stop23h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$574
This Travelis 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Sat 5/2310:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Deal found 4/1![Icelandair logo]()
$585
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.
Mon 9/148:30 pm
OSL
- ORD
2 stops24h 20m
Finnair
Mon 10/59:30 pm
ORD
- OSL
1 stop15h 15m
Finnair
Deal found 3/28![Finnair logo]()
$607
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:05 pm
OSL
- ORD
1 stop13h 50m
Lufthansa
Fri 5/86:15 pm
ORD
- OSL
1 stop17h 20m
Lufthansa
Deal found 4/1![Lufthansa logo]()
$640
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 5/11:05 pm
OSL
- ORD
1 stop13h 50m
United Airlines
Fri 5/85:55 pm
ORD
- OSL
1 stop21h 10m
United Airlines
Deal found 3/29![United Airlines logo]()
$644
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:05 pm
TRF
- ORD
1 stop32h 05m
Scandinavian Airlines
Mon 5/117:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 3/29![Scandinavian Airlines logo]()
$795
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.
Fri 5/16:30 am
OSL
- MDW
2 stops18h 28m
Delta
Fri 5/89:23 am
MDW
- OSL
2 stops16h 17m
Delta
Deal found 3/29![Delta logo]()
$553
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:45 am
OSL
- ORD
1 stop13h 10m
United Airlines
Thu 5/216:00 pm
ORD
- OSL
1 stop16h 15m
United Airlines
Deal found 3/30![United Airlines logo]()
$645
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.
Fri 5/16:30 am
OSL
- ORD
2 stops19h 22m
Delta
Fri 5/85:10 pm
ORD
- OSL
1 stop16h 30m
Delta
Deal found 3/28![Delta logo]()
$599
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:25 am
OSL
- ORD
2 stops21h 35m
United Airlines
Tue 6/93:53 pm
ORD
- OSL
2 stops19h 12m
United Airlines
Deal found 3/30![United Airlines logo]()
$648
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 9/146:30 am
OSL
- ORD
2 stops19h 11m
Delta
Mon 10/57:59 pm
ORD
- OSL
2 stops15h 46m
Delta
Deal found 3/28![Delta logo]()
$632
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:45 am
OSL
- ORD
2 stops21h 15m
United Airlines
Tue 6/93:53 pm
ORD
- OSL
2 stops19h 12m
United Airlines
Deal found 3/30![United Airlines logo]()
$648
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:35 am
TRF
- ORD
2 stops14h 40m
Multiple Airlines
Mon 10/55:10 pm
ORD
- TRF
2 stops14h 05m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,010
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.
Sat 5/166:30 am
OSL
- MDW
2 stops19h 03m
Delta
Sat 5/231:22 pm
MDW
- OSL
2 stops12h 23m
Delta
Deal found 4/1![Delta logo]()
$788
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.
Mon 4/136:30 am
OSL
- MDW
2 stops18h 28m
Delta
Sun 4/269:29 am
MDW
- OSL
2 stops16h 16m
Delta
Deal found 3/27![Delta logo]()
$808
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.
Wed 8/56:30 am
OSL
- MDW
2 stops18h 48m
Delta
Mon 8/171:00 pm
MDW
- OSL
2 stops12h 45m
Delta
Deal found 3/31![Delta logo]()
$816
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.
Wed 8/56:30 am
OSL
- MDW
2 stops18h 48m
Delta
Tue 8/185:25 pm
MDW
- OSL
2 stops15h 55m
Delta
Deal found 3/31![Delta logo]()
$819
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
TRF
- ORD
2 stops15h 00m
Multiple Airlines
Sun 1/34:25 pm
ORD
- TRF
2 stops18h 40m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,395
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 8/36:30 am
OSL
- MDW
2 stops18h 55m
Delta
Sat 8/155:59 pm
MDW
- OSL
2 stops15h 26m
Delta
Deal found 3/31![Delta logo]()
$873
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.
Fri 5/159:20 am
OSL
- MDW
2 stops16h 13m
Delta
Fri 5/229:22 am
MDW
- OSL
2 stops16h 18m
Delta
Deal found 3/31![Delta logo]()
$994
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.
Fri 6/266:30 am
OSL
- MDW
2 stops19h 01m
Delta
Sun 6/286:58 pm
MDW
- OSL
2 stops14h 22m
Delta
Deal found 3/30![Delta logo]()
$1,089
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.
Sat 8/156:30 am
OSL
- MDW
2 stops19h 01m
Delta
Sun 1/310:35 am
MDW
- OSL
2 stops15h 05m
Delta
Deal found 3/31![Delta logo]()
$1,162
Last-minute flights from Oslo to ChicagoDiscover last-minute flight deals from Oslo to Chicago. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Oslo to Chicago. Data last updated April 1, 2026 and is based on user searches.
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.
Thu 4/91:50 pm
OSL
- ORD
1 stop11h 25m
Icelandair
Sat 4/257:25 pm
ORD
- OSL
1 stop10h 10m
Icelandair
Deal found 3/28![Icelandair logo]()
$470
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:45 am
OSL
- ORD
1 stop16h 50m
Multiple Airlines
Sat 4/254:55 pm
ORD
- OSL
1 stop14h 25m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$557
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.
Thu 4/96:30 am
OSL
- MDW
2 stops18h 24m
Delta
Sat 4/251:24 pm
MDW
- OSL
2 stops14h 41m
Delta
Deal found 3/28![Delta logo]()
$759
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.
Thu 4/91:50 pm
OSL
- MDW
2 stops15h 30m
Multiple Airlines
Sat 4/252:15 pm
MDW
- OSL
3 stops15h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$968
This Travelis 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:50 pm
OSL
- ORD
1 stop14h 35m
Icelandair
Sun 4/2610:25 pm
ORD
- OSL
1 stop31h 10m
Icelandair
Deal found 3/31![Icelandair logo]()
$471
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.
Fri 4/109:20 am
OSL
- MDW
2 stops16h 20m
Delta
Sun 4/261:24 pm
MDW
- OSL
2 stops14h 41m
Delta
Deal found 3/29![Delta logo]()
$745
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:40 am
TRF
- ORD
1 stop16h 10m
Multiple Airlines
Sun 4/265:10 pm
ORD
- TRF
3 stops24h 15m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$900
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:35 am
OSL
- ORD
1 stop16h 15m
Finnair
Sun 4/269:30 pm
ORD
- OSL
1 stop12h 05m
Finnair
Deal found 3/27![Finnair logo]()
$521
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.
Mon 4/136:30 am
OSL
- MDW
2 stops18h 28m
Delta
Sun 4/269:29 am
MDW
- OSL
2 stops16h 16m
Delta
Deal found 3/27![Delta logo]()
$808
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 4/286:30 am
OSL
- ORD
1 stop14h 45m
Delta
Tue 5/58:32 pm
ORD
- OSL
2 stops15h 13m
Delta
Deal found 3/31![Delta logo]()
$537
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 4/286:30 am
OSL
- MDW
2 stops19h 06m
Delta
Tue 5/57:16 pm
MDW
- OSL
2 stops16h 29m
Delta
Deal found 3/31![Delta logo]()
$542
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 pm
OSL
- ORD
1 stop26h 15m
KLM
Tue 5/54:20 pm
ORD
- OSL
1 stop11h 45m
KLM
Deal found 3/31![KLM logo]()
$548
One-way flights from Oslo to ChicagoSearch for one-way flight options from Oslo to Chicago. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
Search for one-way flight options from Oslo to Chicago. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/292:00 pm
OSL
- ORD
1 stop12h 15m
Aer Lingus
Deal found 3/28![Aer Lingus logo]()
$387
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:35 pm
OSL
- ORD
1 stop12h 40m
Aer Lingus
Deal found 3/29![Aer Lingus logo]()
$388
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 9/278:10 am
OSL
- ORD
3 stops40h 40m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$400
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:35 pm
OSL
- ORD
1 stop12h 40m
Aer Lingus
Deal found 3/28![Aer Lingus logo]()
$438
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:30 pm
OSL
- ORD
1 stop27h 25m
British Airways
Deal found 3/28![British Airways logo]()
$444
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:25 pm
TRF
- ORD
2 stops25h 25m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$494
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.
Sun 9/272:00 pm
TRF
- ORD
3 stops31h 25m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$495
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:45 am
OSL
- MDW
2 stops32h 55m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$496
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 7/258:15 am
TRF
- ORD
2 stops34h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$506
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:20 pm
TRF
- ORD
3 stops48h 30m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$507
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/152:00 pm
OSL
- MDW
3 stops39h 11m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$519
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:15 pm
TRF
- ORD
2 stops31h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$537
Find flight deals from Oslo to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Chicago (CHI). 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 | $471 (Travelis) |
|---|---|
One-way from | $377 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $472 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oslo to Chicago 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 Oslo to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Tue 4/28
9:20 am-2:15 pm
1 stop11h 55m
Chicago O'Hare Intl
Tue 5/5
4:20 pm-4:20 pm
1 stop17h 00m
$549
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Fri 5/1
6:30 am-5:58 pm
2 stops18h 28m
Chicago Midway
Fri 5/8
9:23 am-8:40 am
2 stops16h 17m
$553
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Fri 5/1
5:20 pm-2:15 pm
1 stop27h 55m
Chicago O'Hare Intl
Fri 5/8
5:10 pm-11:20 pm
1 stop23h 10m
$574
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Sat 5/16
1:50 pm-6:15 pm
1 stop11h 25m
Chicago O'Hare Intl
Sat 5/23
10:25 pm-12:35 pm
1 stop31h 10m
$585
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Fri 5/1
6:30 am-6:52 pm
2 stops19h 22m
Chicago O'Hare Intl
Fri 5/8
5:10 pm-4:40 pm
1 stop16h 30m
$599
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 9/14
8:30 pm-1:50 pm
2 stops24h 20m
Chicago O'Hare Intl
Mon 10/5
9:30 pm-7:45 pm
1 stop15h 15m
$607
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 9/14
6:30 am-6:41 pm
2 stops19h 11m
Chicago O'Hare Intl
Mon 10/5
7:59 pm-6:45 pm
2 stops15h 46m
$632
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Fri 5/1
1:05 pm-7:55 pm
1 stop13h 50m
Chicago O'Hare Intl
Fri 5/8
6:15 pm-6:35 pm
1 stop17h 20m
$640
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Fri 5/1
1:05 pm-7:55 pm
1 stop13h 50m
Chicago O'Hare Intl
Fri 5/8
5:55 pm-10:05 pm
1 stop21h 10m
$644
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Thu 5/14
6:45 am-12:55 pm
1 stop13h 10m
Chicago O'Hare Intl
Thu 5/21
6:00 pm-5:15 pm
1 stop16h 15m
$645
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from Oslo to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Oslo with our price prediction graph.
OS1-CHI
OSL-ORD
OSL-MDW
TRF-ORD
TRF-MDW
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 to Chicago
OS1-CHI
OSL-ORD
OSL-MDW
TRF-ORD
TRF-MDW
How far ahead should I book a flight from Oslo to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from Oslo to Chicago. Price data was last updated on March 13, 2026.
The price you pay for your flight from Oslo to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Oslo to Chicago?
Currently, April is the cheapest month in which you can book a flight from Oslo to Chicago (average of $335). Flying from Oslo to Chicago in July is currently the most expensive (average of $549). 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 Oslo to Chicago?
How often are flights from Oslo to Chicago delayed?
About 50% of weekly flights between Oslo and Chicago have experienced delays in the past year, with the average delay time being 29 minutes.
What is the most punctual flight time for Oslo to Chicago flights?
Historically, flights departing in the early afternoon 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?
Sunday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated April 1, 2026.
Get a feel of what it's like to fly with Icelandair and Lufthansa from Oslo to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Crew
8.0
Food
6.1
Comfort
6.9
Overall
7.0
Boarding
7.2
Reviews
1 / 20
2.0
MediocreBruce,Mar 2026
BCN - KEF
Entertainment
6.9
Crew
8.0
Food
6.1
Comfort
6.9
Overall
7.0
Boarding
7.2
Reviews
1 / 20
2.0
MediocreBruce,Mar 2026
BCN - KEF
Entertainment
6.9
Crew
8.0
Food
6.1
Comfort
6.9
Overall
7.0
Boarding
7.2
Reviews
1 / 20
2.0
MediocreBruce,Mar 2026
BCN - KEF
Related info for your journey
Find useful and relevant information for your journey from Oslo to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsLansing
Merrillville
Hammond
Porter
Benton Harbor
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