$344+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — CHI
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from Oslo to Chicago with Cheapflights
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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 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 July 6, 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 July 6, 2026.
This Finnair deal was found by Cheapflights users on 7/1. 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.
Sat 8/228:55 pm
OSL
- ORD
2 stops27h 20m
Finnair
Sun 9/69:30 pm
ORD
- OSL
1 stop12h 05m
Finnair
Deal found 7/1![Finnair logo]()
$580
This Ticket deal was found by Cheapflights users on 7/3. 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 8/226:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Sun 9/67:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$583
This Ticket deal was found by Cheapflights users on 7/2. 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.
Fri 8/216:25 am
OSL
- ORD
1 stop13h 30m
Multiple Airlines
Mon 8/312:20 pm
ORD
- OSL
1 stop15h 55m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$584
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am
TRF
- ORD
1 stop17h 45m
Scandinavian Airlines
Sun 11/297:15 pm
ORD
- TRF
1 stop11h 50m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$587
This Scandinavian Airlines deal was found by Cheapflights users on 7/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am
TRF
- ORD
1 stop17h 45m
Scandinavian Airlines
Wed 11/47:15 pm
ORD
- TRF
1 stop11h 50m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$589
This Ticket deal was found by Cheapflights users on 7/2. 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.
Fri 8/145:35 am
OSL
- ORD
1 stop14h 20m
SWISS
Thu 8/272:20 pm
ORD
- OSL
1 stop20h 00m
SWISS
Deal found 7/2![SWISS logo]()
$591
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Thu 12/247:05 am
OSL
- ORD
1 stop19h 10m
American Airlines
Sun 1/101:31 pm
ORD
- OSL
2 stops14h 04m
American Airlines
Deal found 7/4![American Airlines logo]()
$592
This BusinessClass deal was found by Cheapflights users on 7/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/259:05 pm
OSL
- ORD
1 stop26h 40m
Scandinavian Airlines
Sat 1/97:15 pm
ORD
- OSL
1 stop12h 00m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$593
This Travelis deal was found by Cheapflights users on 7/3. 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 8/226:15 am
OSL
- ORD
1 stop15h 40m
Lufthansa
Sun 9/610:30 pm
ORD
- OSL
1 stop18h 35m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$598
This British Airways deal was found by Cheapflights users on 7/4. 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.
Thu 12/2411:45 am
OSL
- ORD
2 stops19h 14m
British Airways
Sun 1/101:31 pm
ORD
- OSL
2 stops14h 04m
British Airways
Deal found 7/4![British Airways logo]()
$601
This Sembo deal was found by Cheapflights users on 7/3. 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.
Sat 8/224:30 pm
OSL
- ORD
1 stop11h 55m
Icelandair
Sun 9/610:25 pm
ORD
- OSL
1 stop10h 00m
Icelandair
Deal found 7/3![Icelandair logo]()
$603
This FlightHub deal was found by Cheapflights users on 7/4. 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.
Sun 12/276:30 am
OSL
- ORD
1 stop17h 15m
Scandinavian Airlines
Sun 1/107:15 pm
ORD
- OSL
1 stop10h 55m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$607
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 July 6, 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 July 6, 2026.
This Ticket deal was found by Cheapflights users on 7/3. 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 8/226:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Sun 9/67:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/216:25 am
OSL
- ORD
1 stop13h 30m
United Airlines
Fri 8/288:45 am
ORD
- OSL
2 stops17h 20m
United Airlines
Deal found 7/2![United Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 7/1. 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 8/226:30 am
OSL
- MDW
2 stops19h 03m
Delta
Sun 9/65:45 pm
MDW
- OSL
2 stops15h 35m
Delta
Deal found 7/1![Delta logo]()
$667
This Finnair deal was found by Cheapflights users on 7/5. 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 8/245:20 pm
OSL
- ORD
2 stops28h 40m
Finnair
Tue 9/89:15 pm
ORD
- OSL
2 stops27h 35m
Finnair
Deal found 7/5![Finnair logo]()
$695
This KLM deal was found by Cheapflights users on 7/4. 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.
Fri 12/2512:35 pm
OSL
- ORD
2 stops15h 59m
KLM
Sun 1/1011:30 am
ORD
- OSL
2 stops14h 15m
KLM
Deal found 7/4![KLM logo]()
$792
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am
TRF
- ORD
1 stop17h 45m
Scandinavian Airlines
Sun 11/297:15 pm
ORD
- TRF
1 stop11h 50m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$587
This Scandinavian Airlines deal was found by Cheapflights users on 7/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am
TRF
- ORD
1 stop17h 45m
Scandinavian Airlines
Wed 11/47:15 pm
ORD
- TRF
1 stop11h 50m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 8/251:10 pm
OSL
- ORD
2 stops28h 06m
United Airlines
Tue 9/16:15 pm
ORD
- OSL
2 stops16h 45m
United Airlines
Deal found 7/4![United Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 7/1. 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 8/229:20 am
OSL
- ORD
2 stops18h 35m
Delta
Sun 9/610:30 am
ORD
- OSL
2 stops15h 15m
Delta
Deal found 7/1![Delta logo]()
$670
This Finnair deal was found by Cheapflights users on 7/1. 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.
Sat 8/228:55 pm
OSL
- ORD
2 stops25h 05m
Finnair
Sun 9/64:30 pm
ORD
- OSL
2 stops17h 05m
Finnair
Deal found 7/1![Finnair logo]()
$726
This Delta deal was found by Cheapflights users on 7/5. 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 8/246:30 am
OSL
- ORD
2 stops18h 59m
Delta
Tue 9/85:10 pm
ORD
- OSL
2 stops16h 30m
Delta
Deal found 7/5![Delta logo]()
$676
This Mytrip deal was found by Cheapflights users on 7/4. 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.
Tue 8/256:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Tue 9/17:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 7/4. 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 8/246:30 am
OSL
- MDW
2 stops19h 03m
Delta
Tue 9/85:45 pm
MDW
- OSL
2 stops15h 55m
Delta
Deal found 7/4![Delta logo]()
$677
This Delta deal was found by Cheapflights users on 7/2. 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 8/249:20 am
OSL
- MDW
2 stops15h 41m
Delta
Sun 9/65:45 pm
MDW
- OSL
2 stops15h 35m
Delta
Deal found 7/2![Delta logo]()
$678
This Ticket deal was found by Cheapflights users on 7/2. 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.
Fri 8/146:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Thu 8/277:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/2![Scandinavian Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 7/2. 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 8/249:20 am
OSL
- MDW
2 stops15h 41m
Delta
Wed 9/97:13 pm
MDW
- OSL
2 stops14h 07m
Delta
Deal found 7/2![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 7/3. 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 8/176:30 am
OSL
- MDW
2 stops18h 31m
Delta
Mon 8/241:25 pm
MDW
- OSL
2 stops12h 20m
Delta
Deal found 7/3![Delta logo]()
$680
This Delta deal was found by Cheapflights users on 7/1. 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 8/156:30 am
OSL
- ORD
1 stop14h 45m
Delta
Sat 8/2210:30 am
ORD
- OSL
2 stops15h 15m
Delta
Deal found 7/1![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 7/3. 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 8/172:10 pm
OSL
- ORD
2 stops16h 47m
Delta
Mon 8/248:48 am
ORD
- OSL
2 stops16h 57m
Delta
Deal found 7/3![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 7/1. 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 8/156:30 am
OSL
- MDW
2 stops19h 03m
Delta
Sat 8/227:25 pm
MDW
- OSL
2 stops16h 05m
Delta
Deal found 7/1![Delta logo]()
$689
This Delta deal was found by Cheapflights users on 7/5. 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 8/196:30 am
OSL
- MDW
2 stops18h 31m
Delta
Wed 8/267:25 pm
MDW
- OSL
2 stops13h 55m
Delta
Deal found 7/5![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 7/2. 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 8/216:30 am
OSL
- MDW
2 stops18h 31m
Delta
Fri 8/287:25 pm
MDW
- OSL
2 stops13h 55m
Delta
Deal found 7/2![Delta logo]()
$735
Last-minute flights from Oslo to ChicagoDiscover last-minute flight deals from Oslo to Chicago. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Oslo to Chicago. Data last updated July 6, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 7/2. 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.
Fri 8/145:35 am
OSL
- ORD
1 stop14h 20m
SWISS
Thu 8/272:20 pm
ORD
- OSL
1 stop20h 00m
SWISS
Deal found 7/2![SWISS logo]()
$591
This Ticket deal was found by Cheapflights users on 7/2. 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.
Fri 8/216:25 am
OSL
- ORD
1 stop13h 30m
Multiple Airlines
Mon 8/312:20 pm
ORD
- OSL
1 stop15h 55m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$584
This Ticket deal was found by Cheapflights users on 7/2. 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.
Fri 8/216:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Mon 8/317:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/2![Scandinavian Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/219:55 am
OSL
- ORD
1 stop13h 15m
Scandinavian Airlines
Fri 8/287:15 pm
ORD
- OSL
1 stop14h 20m
Scandinavian Airlines
Deal found 7/2![Scandinavian Airlines logo]()
$611
This Finnair deal was found by Cheapflights users on 7/1. 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.
Sat 8/228:55 pm
OSL
- ORD
2 stops27h 20m
Finnair
Sun 9/69:30 pm
ORD
- OSL
1 stop12h 05m
Finnair
Deal found 7/1![Finnair logo]()
$580
This Ticket deal was found by Cheapflights users on 7/3. 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 8/226:00 am
TRF
- ORD
1 stop17h 10m
Scandinavian Airlines
Sun 9/67:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$583
This Sembo deal was found by Cheapflights users on 7/1. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:30 pm
OSL
- ORD
1 stop11h 55m
Icelandair
Sun 9/610:25 pm
ORD
- OSL
1 stop10h 00m
Icelandair
Deal found 7/1![Icelandair logo]()
$593
This Travelis deal was found by Cheapflights users on 7/3. 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 8/226:15 am
OSL
- ORD
1 stop15h 40m
Lufthansa
Sun 9/610:30 pm
ORD
- OSL
1 stop18h 35m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/238:00 am
OSL
- ORD
1 stop15h 10m
Scandinavian Airlines
Sun 8/307:15 pm
ORD
- OSL
1 stop22h 05m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$618
This Iberia deal was found by Cheapflights users on 7/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:00 pm
OSL
- ORD
1 stop30h 25m
Iberia
Tue 9/89:30 pm
ORD
- OSL
1 stop31h 35m
Iberia
Deal found 7/5![Iberia logo]()
$614
This oojo deal was found by Cheapflights users on 7/5. 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.
Mon 8/243:05 pm
TRF
- ORD
1 stop32h 05m
Scandinavian Airlines
Tue 9/87:15 pm
ORD
- TRF
1 stop12h 15m
Scandinavian Airlines
Deal found 7/5![Scandinavian Airlines logo]()
$621
This Cheapflightsfares deal was found by Cheapflights users on 7/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:55 am
OSL
- ORD
1 stop13h 15m
Scandinavian Airlines
Tue 9/17:15 pm
ORD
- OSL
1 stop10h 40m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$629
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 July 6, 2026.
Search for one-way flight options from Oslo to Chicago. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/157:50 pm
TRF
- ORD
2 stops29h 00m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/302:55 pm
OSL
- ORD
2 stops33h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Thu 10/152:25 pm
TRF
- ORD
2 stops34h 25m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/142:55 pm
OSL
- ORD
2 stops33h 55m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/137:50 pm
TRF
- ORD
2 stops29h 00m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:05 am
OSL
- ORD
2 stops41h 45m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/142:05 pm
TRF
- ORD
2 stops34h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/1211:55 am
OSL
- ORD
2 stops36h 55m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/311:40 am
OSL
- ORD
2 stops37h 10m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/35:55 pm
TRF
- ORD
3 stops30h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/1112:05 pm
TRF
- ORD
3 stops36h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/129:40 pm
TRF
- ORD
3 stops27h 10m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$368
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 July 6, 2026.
Round-trip from | $580 (Finnair) |
|---|---|
One-way from | $344 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $748 |
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 July 6, 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
Quickest round-trip
OsloChicago
TRF - ORD
TRFORD
Oslo Sandefjord
Sat 8/22
6:00 am-4:10 pm
1 stop17h 10m
Chicago O'Hare Intl
Sun 9/6
7:15 pm-2:30 pm
1 stop12h 15m
$583
OsloChicago
TRF - ORD
TRFORD
Oslo Sandefjord
Sat 11/21
6:00 am-4:45 pm
1 stop17h 45m
Chicago O'Hare Intl
Sun 11/29
7:15 pm-2:05 pm
1 stop11h 50m
$587
OsloChicago
TRF - ORD
TRFORD
Oslo Sandefjord
Sat 10/31
6:00 am-5:45 pm
1 stop17h 45m
Chicago O'Hare Intl
Wed 11/4
7:15 pm-2:05 pm
1 stop11h 50m
$589
OsloChicago
TRF - ORD
TRFORD
Oslo Sandefjord
Tue 8/25
6:00 am-4:10 pm
1 stop17h 10m
Chicago O'Hare Intl
Tue 9/1
7:15 pm-2:30 pm
1 stop12h 15m
$645
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Fri 8/21
6:25 am-12:55 pm
1 stop13h 30m
Chicago O'Hare Intl
Fri 8/28
8:45 am-9:05 am
2 stops17h 20m
$659
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Tue 8/25
1:10 pm-10:16 am
2 stops28h 06m
Chicago O'Hare Intl
Tue 9/1
6:15 pm-6:00 pm
2 stops16h 45m
$665
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Sat 8/22
6:30 am-6:33 pm
2 stops19h 03m
Chicago Midway
Sun 9/6
5:45 pm-4:20 pm
2 stops15h 35m
$667
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Sat 8/22
9:20 am-8:55 pm
2 stops18h 35m
Chicago O'Hare Intl
Sun 9/6
10:30 am-8:45 am
2 stops15h 15m
$670
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 8/24
6:30 am-6:29 pm
2 stops18h 59m
Chicago O'Hare Intl
Tue 9/8
5:10 pm-4:40 pm
2 stops16h 30m
$676
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Mon 8/24
6:30 am-6:33 pm
2 stops19h 03m
Chicago Midway
Tue 9/8
5:45 pm-4:40 pm
2 stops15h 55m
$677
Showing 1-10 of 50 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
TRF-ORD
OSL-ORD
OSL-MDW
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
TRF-ORD
OSL-ORD
OSL-MDW
TRF-MDW
What is the cheapest month to book a flight from Oslo to Chicago?
Currently, February is the cheapest month in which you can book a flight from Oslo to Chicago (average of $304). Flying from Oslo to Chicago in July is currently the most expensive (average of $509). 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 far ahead should I book a flight from Oslo to Chicago?
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 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 6, 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
Boarding
7.2
Crew
8.0
Comfort
6.9
Overall
7.0
Food
6.2
Reviews
1 / 20
6.0
GoodSara,Jul 2026
KEF - IAD
Entertainment
6.9
Boarding
7.2
Crew
8.0
Comfort
6.9
Overall
7.0
Food
6.2
Reviews
1 / 20
6.0
GoodSara,Jul 2026
KEF - IAD
Entertainment
6.9
Boarding
7.2
Crew
8.0
Comfort
6.9
Overall
7.0
Food
6.2
Reviews
1 / 20
6.0
GoodSara,Jul 2026
KEF - IAD
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 locationsBenton Harbor
Hammond
Lansing
Merrillville
Valparaiso
Porter
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes
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Alternative routes for Oslo to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Oslo to Chicago by cabin class
Find flights from Oslo to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oslo and Chicago flights
Browse other Oslo and Chicago flight options. Last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Oslo to Chicago
Discover the top airline that operate flights from Oslo to Chicago. 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$614 | Average$703 | FlexibilityNo cancel fee | On-time77% |