$322+ Cheap flights from St. Louis (STL) 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Jul 29 — Aug 51
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Oslo
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Cheapest flights from St. Louis to OsloExplore the most affordable flight options available from St. Louis to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
Explore the most affordable flight options available from St. Louis to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
This Ticket deal was found by Cheapflights users on 6/26. 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 8/107:05 pm
STL
- OSL
2 stops15h 50m
Lufthansa
Tue 8/256:55 am
OSL
- STL
1 stop13h 30m
Lufthansa
Deal found 6/26![Lufthansa logo]()
$757
This Ticket deal was found by Cheapflights users on 6/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:13 pm
STL
- OSL
2 stops15h 22m
Multiple Airlines
Tue 8/256:55 am
OSL
- STL
1 stop13h 30m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$774
This Ticket deal was found by Cheapflights users on 6/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:40 pm
STL
- OSL
2 stops38h 35m
Air Canada
Tue 8/251:10 pm
OSL
- STL
2 stops36h 32m
Air Canada
Deal found 6/27![Air Canada logo]()
$777
This Ticket deal was found by Cheapflights users on 6/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:00 am
STL
- OSL
2 stops14h 45m
KLM
Tue 8/2511:50 am
OSL
- STL
2 stops15h 52m
KLM
Deal found 6/27![KLM logo]()
$779
This Gotogate deal was found by Cheapflights users on 6/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:10 pm
STL
- OSL
2 stops22h 05m
Multiple Airlines
Wed 8/266:35 am
OSL
- STL
1 stop13h 50m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$793
This oojo deal was found by Cheapflights users on 6/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:30 pm
STL
- OSL
1 stop13h 45m
Lufthansa
Wed 8/266:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 6/27![Lufthansa logo]()
$797
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Sun 8/1612:59 pm
STL
- OSL
2 stops21h 56m
United Airlines
Wed 8/266:35 am
OSL
- STL
1 stop13h 50m
United Airlines
Deal found 6/29![United Airlines logo]()
$809
This Air Canada deal was found by Cheapflights users on 6/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:10 pm
STL
- OSL
2 stops22h 45m
Air Canada
Wed 8/266:35 am
OSL
- STL
2 stops19h 07m
Air Canada
Deal found 6/29![Air Canada logo]()
$810
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 8/173:30 pm
STL
- OSL
1 stop16h 55m
United Airlines
Wed 8/266:35 am
OSL
- STL
1 stop13h 50m
United Airlines
Deal found 6/29![United Airlines logo]()
$816
This Air Canada deal was found by Cheapflights users on 6/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:40 pm
STL
- TRF
2 stops16h 50m
Multiple Airlines
Wed 8/266:00 am
TRF
- STL
2 stops19h 42m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,074
This Mytrip deal was found by Cheapflights users on 6/27. 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 8/103:30 pm
STL
- TRF
3 stops25h 55m
Multiple Airlines
Tue 8/256:00 am
TRF
- STL
3 stops21h 24m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,083
This Air Canada deal was found by Cheapflights users on 6/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:40 pm
STL
- TRF
2 stops16h 50m
Multiple Airlines
Tue 9/86:00 am
TRF
- STL
2 stops21h 20m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,128
Best flights from St. Louis to OsloDiscover carefully curated flight deals from St. Louis to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
Discover carefully curated flight deals from St. Louis to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
This Ticket deal was found by Cheapflights users on 6/26. 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 8/107:05 pm
STL
- OSL
2 stops15h 50m
Lufthansa
Tue 8/256:55 am
OSL
- STL
2 stops17h 11m
Lufthansa
Deal found 6/26![Lufthansa logo]()
$762
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/1112:59 pm
STL
- OSL
2 stops22h 01m
United Airlines
Tue 8/1811:45 am
OSL
- STL
2 stops57h 30m
United Airlines
Deal found 6/26![United Airlines logo]()
$836
This Air Canada deal was found by Cheapflights users on 6/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:40 pm
STL
- TRF
2 stops16h 50m
Multiple Airlines
Wed 8/266:00 am
TRF
- STL
2 stops19h 42m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,074
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Thu 7/231:22 pm
STL
- TRF
2 stops24h 03m
Scandinavian Airlines
Wed 7/298:55 pm
TRF
- STL
2 stops32h 20m
Scandinavian Airlines
Deal found 6/25![Scandinavian Airlines logo]()
$1,312
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 8/103:30 pm
STL
- OSL
1 stop19h 50m
United Airlines
Tue 8/256:55 am
OSL
- STL
1 stop13h 30m
United Airlines
Deal found 6/27![United Airlines logo]()
$856
This oojo deal was found by Cheapflights users on 6/26. 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 9/73:30 pm
STL
- OSL
1 stop13h 50m
Lufthansa
Mon 9/147:05 pm
OSL
- STL
1 stop25h 20m
Lufthansa
Deal found 6/26![Lufthansa logo]()
$866
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 8/243:30 pm
STL
- OSL
1 stop19h 50m
United Airlines
Wed 9/96:35 am
OSL
- STL
1 stop13h 50m
United Airlines
Deal found 6/29![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 8/183:30 pm
STL
- OSL
1 stop13h 45m
United Airlines
Tue 9/16:55 am
OSL
- STL
1 stop13h 30m
United Airlines
Deal found 6/29![United Airlines logo]()
$866
This Mytrip deal was found by Cheapflights users on 6/27. 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 8/103:30 pm
STL
- TRF
3 stops25h 55m
Multiple Airlines
Tue 8/256:00 am
TRF
- STL
3 stops21h 24m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,083
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/143:30 pm
STL
- OSL
1 stop20h 05m
United Airlines
Tue 9/16:55 am
OSL
- STL
1 stop13h 30m
United Airlines
Deal found 6/29![United Airlines logo]()
$916
This Air Canada deal was found by Cheapflights users on 6/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:40 pm
STL
- TRF
2 stops16h 50m
Multiple Airlines
Tue 9/86:00 am
TRF
- STL
2 stops21h 20m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sun 8/97:05 pm
STL
- OSL
2 stops20h 00m
United Airlines
Sun 8/166:25 am
OSL
- STL
2 stops22h 35m
United Airlines
Deal found 6/25![United Airlines logo]()
$929
This Mytrip deal was found by Cheapflights users on 6/26. 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 9/712:10 pm
STL
- TRF
3 stops19h 20m
Multiple Airlines
Mon 9/143:05 pm
TRF
- STL
3 stops29h 55m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,271
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/278:55 am
STL
- TRF
2 stops21h 25m
Multiple Airlines
Mon 8/38:55 pm
TRF
- STL
2 stops30h 29m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,989
This KAYAK deal was found by Cheapflights users on 6/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:40 pm
STL
- TRF
2 stops22h 45m
Multiple Airlines
Wed 7/299:00 am
TRF
- STL
3 stops36h 02m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$2,391
This Gotogate deal was found by Cheapflights users on 6/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/184:05 pm
STL
- TRF
3 stops39h 00m
Multiple Airlines
Sat 1/162:35 pm
TRF
- STL
2 stops55h 51m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$2,445
Last-minute flights from St. Louis to OsloDiscover last-minute flight deals from St. Louis to Oslo. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Oslo. Data last updated June 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 7/18:43 am
STL
- OSL
2 stops25h 32m
United Airlines
Wed 8/1211:45 am
OSL
- STL
2 stops57h 19m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,178
This FlightHub deal was found by Cheapflights users on 6/27. 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.
Wed 7/19:35 pm
STL
- OSL
1 stop18h 50m
British Airways
Wed 8/125:10 pm
OSL
- STL
2 stops37h 24m
British Airways
Deal found 6/27![British Airways logo]()
$1,289
This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:43 am
STL
- OSL
2 stops24h 12m
Lufthansa
Wed 7/156:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 6/29![Lufthansa logo]()
$1,291
This Mytrip deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:30 pm
STL
- TRF
2 stops14h 35m
Multiple Airlines
Wed 7/152:05 pm
TRF
- STL
3 stops37h 17m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,921
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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.
Thu 7/231:13 pm
STL
- OSL
2 stops22h 02m
Lufthansa
Wed 7/296:35 am
OSL
- STL
2 stops21h 51m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$1,021
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Thu 7/231:22 pm
STL
- TRF
2 stops24h 03m
Scandinavian Airlines
Wed 7/298:55 pm
TRF
- STL
2 stops32h 20m
Scandinavian Airlines
Deal found 6/25![Scandinavian Airlines logo]()
$1,312
This KAYAK deal was found by Cheapflights users on 6/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:40 pm
STL
- TRF
2 stops22h 45m
Multiple Airlines
Wed 7/299:00 am
TRF
- STL
3 stops36h 02m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$2,391
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 7/276:01 am
STL
- OSL
2 stops28h 14m
United Airlines
Mon 8/31:05 pm
OSL
- STL
2 stops37h 21m
United Airlines
Deal found 6/27![United Airlines logo]()
$941
This Trip.com deal was found by Cheapflights users on 6/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:30 pm
STL
- OSL
1 stop13h 50m
Lufthansa
Mon 8/37:05 pm
OSL
- STL
1 stop25h 20m
Lufthansa
Deal found 6/27![Lufthansa logo]()
$1,010
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/278:55 am
STL
- TRF
2 stops21h 25m
Multiple Airlines
Mon 8/38:55 pm
TRF
- STL
2 stops30h 29m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,989
One-way flights from St. Louis to OsloSearch for one-way flight options from St. Louis to Oslo. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
Search for one-way flight options from St. Louis to Oslo. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/2810:35 am
STL
- TRF
3 stops24h 15m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/2810:35 am
STL
- OSL
3 stops40h 30m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:45 pm
STL
- OSL
2 stops15h 35m
American Airlines
Deal found 6/25![American Airlines logo]()
$387
This Booking.com deal was found by Cheapflights users on 6/25. 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 9/283:30 pm
STL
- OSL
1 stop13h 50m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/1610:35 am
STL
- OSL
3 stops49h 00m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$416
This Mytrip deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:00 pm
STL
- OSL
3 stops18h 25m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/178:10 pm
STL
- OSL
3 stops33h 25m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$434
This oojo deal was found by Cheapflights users on 6/24. 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 9/68:00 pm
STL
- OSL
2 stops20h 40m
British Airways
Deal found 6/24![British Airways logo]()
$445
This Delta deal was found by Cheapflights users on 6/24. 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 9/165:59 pm
STL
- OSL
2 stops15h 41m
Delta
Deal found 6/24![Delta logo]()
$467
This oojo deal was found by Cheapflights users on 6/24. 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 9/73:30 pm
STL
- OSL
1 stop16h 55m
Lufthansa
Deal found 6/24![Lufthansa logo]()
$474
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:08 am
STL
- OSL
2 stops21h 12m
Aer Lingus
Deal found 6/28![Aer Lingus logo]()
$479
This Mytrip deal was found by Cheapflights users on 6/24. 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.
Wed 9/168:55 am
STL
- TRF
3 stops29h 25m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$524
Find flight deals from St. Louis to Oslo
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 June 29, 2026.
Round-trip from | $757 (Ticket) |
|---|---|
One-way from | $322 (Kiwi.com) |
Popular in | June |
Cheapest in | April |
Average price | $1,165 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 June 29, 2026.
Use the filters below to find and compare flights from St. Louis to Oslo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Mon 8/10
7:05 pm-5:55 pm
2 stops15h 50m
Oslo Gardermoen
Tue 8/25
6:55 am-5:06 pm
2 stops17h 11m
$762
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Tue 8/11
12:59 pm-6:00 pm
2 stops22h 01m
Oslo Gardermoen
Tue 8/18
11:45 am-2:15 pm
2 stops57h 30m
$836
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Mon 8/10
3:30 pm-6:20 pm
1 stop19h 50m
Oslo Gardermoen
Tue 8/25
6:55 am-1:25 pm
1 stop13h 30m
$856
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Mon 9/7
3:30 pm-12:20 pm
1 stop13h 50m
Oslo Gardermoen
Mon 9/14
7:05 pm-1:25 pm
1 stop25h 20m
$866
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Mon 8/24
3:30 pm-6:20 pm
1 stop19h 50m
Oslo Gardermoen
Wed 9/9
6:35 am-1:25 pm
1 stop13h 50m
$866
Quickest round-trip
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Tue 8/18
3:30 pm-12:15 pm
1 stop13h 45m
Oslo Gardermoen
Tue 9/1
6:55 am-1:25 pm
1 stop13h 30m
$866
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Fri 8/14
3:30 pm-6:35 pm
1 stop20h 05m
Oslo Gardermoen
Tue 9/1
6:55 am-1:25 pm
1 stop13h 30m
$916
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Sun 8/9
7:05 pm-10:05 pm
2 stops20h 00m
Oslo Gardermoen
Sun 8/16
6:25 am-10:00 pm
2 stops22h 35m
$929
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Wed 8/19
2:40 pm-2:30 pm
2 stops16h 50m
Oslo Sandefjord
Wed 8/26
6:00 am-6:42 pm
2 stops19h 42m
$1,074
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Mon 8/10
3:30 pm-12:25 am
3 stops25h 55m
Oslo Sandefjord
Tue 8/25
6:00 am-8:24 pm
3 stops21h 24m
$1,083
Showing 1-10 of 27 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from St. Louis with our price prediction graph.
STL-OS1
STL-OSL
STL-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 St. Louis to Oslo
STL-OS1
STL-OSL
STL-TRF
What is the cheapest month to book a flight from St. Louis to Oslo?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Oslo (average of $478). Flying from St. Louis to Oslo in June is currently the most expensive (average of $1,121). 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 St. Louis to Oslo?
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 June 29, 2026.
Peruse reviews from past customers who have flown with KLM,United Airlines, andLufthansa from St. Louis to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
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St. Louis and Oslo flights
Browse other St. Louis and Oslo flight options. Last updated on June 29, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from St. Louis to Oslo
Discover the top 4 airlines that operate flights from St. Louis 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$674 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$581 | Average$839 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$719 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$685 | Average$794 | FlexibilityNo cancel fee | On-time75% |