$441+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Jun 24 — Jul 11
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 May 25, 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 May 25, 2026.
This Expedia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Sat 10/102:40 pm
STL
- OSL
2 stops38h 20m
Multiple Airlines
Fri 10/167:50 am
OSL
- STL
1 stop18h 40m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:25 am
STL
- OSL
2 stops25h 45m
United Airlines
Wed 11/1111:50 am
OSL
- STL
2 stops31h 30m
United Airlines
Deal found 5/24![United Airlines logo]()
$740
This Priceline deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:57 pm
STL
- OSL
2 stops16h 38m
Finnair
Tue 9/112:50 pm
OSL
- STL
2 stops18h 09m
Finnair
Deal found 5/22![Finnair logo]()
$751
This Priceline deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:57 pm
STL
- OSL
2 stops19h 48m
Multiple Airlines
Wed 9/27:45 am
OSL
- STL
1 stop18h 45m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$758
This Orbitz deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:30 pm
STL
- OSL
1 stop17h 25m
Multiple Airlines
Tue 9/17:45 am
OSL
- STL
1 stop18h 45m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$760
This Travelocity deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:15 pm
STL
- OSL
2 stops36h 55m
Multiple Airlines
Sun 11/811:30 am
OSL
- STL
2 stops19h 26m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 12/19:23 am
STL
- OSL
2 stops20h 42m
United Airlines
Thu 12/31:55 pm
OSL
- STL
2 stops32h 35m
United Airlines
Deal found 5/20![United Airlines logo]()
$773
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 8/261:00 pm
STL
- OSL
2 stops21h 55m
Lufthansa
Wed 9/26:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 5/23![Lufthansa logo]()
$794
This Air Canada deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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
Wed 9/26:00 am
TRF
- STL
2 stops19h 42m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,069
This Mytrip deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/68:55 am
STL
- TRF
2 stops21h 25m
Multiple Airlines
Mon 7/208:55 pm
TRF
- STL
2 stops30h 27m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,212
This Mytrip deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Thu 8/272:40 pm
STL
- TRF
2 stops15h 45m
Multiple Airlines
Tue 9/13:05 pm
TRF
- STL
3 stops29h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,274
This Gotogate deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Mon 7/132:40 pm
STL
- TRF
2 stops15h 40m
Multiple Airlines
Sun 7/196:25 pm
TRF
- STL
2 stops26h 00m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,449
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 May 25, 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 May 25, 2026.
This United Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 11/98:25 am
STL
- OSL
2 stops25h 45m
United Airlines
Wed 11/1111:50 am
OSL
- STL
2 stops27h 47m
United Airlines
Deal found 5/23![United Airlines logo]()
$740
This Expedia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Sat 10/102:40 pm
STL
- OSL
2 stops38h 20m
Multiple Airlines
Fri 10/167:50 am
OSL
- STL
2 stops19h 18m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$746
This Priceline deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:57 pm
STL
- OSL
2 stops16h 38m
Finnair
Wed 9/212:50 pm
OSL
- STL
2 stops18h 09m
Finnair
Deal found 5/22![Finnair logo]()
$751
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 8/263:30 pm
STL
- OSL
1 stop17h 25m
Lufthansa
Wed 9/26:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 5/23![Lufthansa logo]()
$801
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 8/265:42 pm
STL
- OSL
2 stops18h 03m
Delta
Wed 9/26:30 am
OSL
- STL
2 stops21h 12m
Delta
Deal found 5/23![Delta logo]()
$805
This Priceline deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:57 pm
STL
- OSL
2 stops19h 48m
Multiple Airlines
Wed 9/27:45 am
OSL
- STL
1 stop18h 45m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 11/110:23 am
STL
- OSL
2 stops24h 17m
United Airlines
Sun 11/86:15 am
OSL
- STL
1 stop14h 30m
United Airlines
Deal found 5/23![United Airlines logo]()
$803
This Air Canada deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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
Wed 9/26:00 am
TRF
- STL
2 stops19h 42m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,069
This Mytrip deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/68:55 am
STL
- TRF
2 stops21h 25m
Multiple Airlines
Mon 7/208:55 pm
TRF
- STL
2 stops30h 27m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,212
This Mytrip deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Thu 8/272:40 pm
STL
- TRF
2 stops15h 45m
Multiple Airlines
Tue 9/13:05 pm
TRF
- STL
3 stops29h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,274
This Gotogate deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Mon 7/132:40 pm
STL
- TRF
2 stops15h 40m
Multiple Airlines
Sun 7/196:25 pm
TRF
- STL
2 stops26h 00m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,449
This Mytrip deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 10/102:40 pm
STL
- TRF
3 stops26h 45m
Multiple Airlines
Fri 10/166:00 am
TRF
- STL
2 stops20h 30m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,787
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Sat 6/61:05 pm
STL
- TRF
3 stops25h 10m
Multiple Airlines
Sun 6/219:40 pm
TRF
- STL
3 stops29h 45m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$2,033
Last-minute flights from St. Louis to OsloDiscover last-minute flight deals from St. Louis to Oslo. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Oslo. Data last updated May 25, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 am
STL
- OSL
2 stops27h 50m
Air Canada
Sat 5/309:55 am
OSL
- STL
2 stops17h 14m
Air Canada
Deal found 5/22![Air Canada logo]()
$885
This Lufthansa deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 pm
STL
- OSL
2 stops15h 50m
Lufthansa
Sat 5/307:15 pm
OSL
- STL
1 stop25h 10m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$1,194
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:13 pm
STL
- OSL
2 stops18h 32m
Lufthansa
Sat 5/306:15 am
OSL
- STL
2 stops23h 35m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$1,087
This Cheapflightsfares deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 5/318:43 am
STL
- OSL
2 stops17h 22m
Lufthansa
Fri 6/56:25 am
OSL
- STL
1 stop14h 00m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$998
This Air Canada deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:05 pm
STL
- OSL
2 stops21h 50m
Air Canada
Fri 6/56:25 am
OSL
- STL
2 stops21h 00m
Air Canada
Deal found 5/22![Air Canada logo]()
$1,006
This Expedia deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Mon 6/13:30 pm
STL
- OSL
1 stop13h 50m
Multiple Airlines
Sun 6/144:00 pm
OSL
- STL
2 stops35h 25m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,092
This Lufthansa deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:30 pm
STL
- OSL
1 stop19h 50m
Lufthansa
Sun 6/146:55 pm
OSL
- STL
1 stop25h 30m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$1,098
This Bravofly deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:43 am
STL
- OSL
2 stops17h 22m
Lufthansa
Tue 6/166:55 am
OSL
- STL
1 stop13h 30m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$961
This Gotogate deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Tue 6/28:40 am
STL
- OSL
2 stops21h 35m
Multiple Airlines
Wed 6/179:55 am
OSL
- STL
2 stops17h 30m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$991
This Lufthansa deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:05 pm
STL
- OSL
2 stops16h 00m
Lufthansa
Wed 6/176:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$1,069
This Mytrip deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/22:15 pm
STL
- TRF
3 stops27h 10m
Multiple Airlines
Wed 6/172:05 pm
TRF
- STL
3 stops37h 02m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,679
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:13 pm
STL
- OSL
2 stops14h 42m
Lufthansa
Wed 7/156:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$1,195
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 May 25, 2026.
Search for one-way flight options from St. Louis to Oslo. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:37 pm
STL
- OSL
2 stops38h 48m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:08 pm
STL
- TRF
3 stops59h 07m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 6/186:30 am
STL
- OSL
3 stops50h 15m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 6/187:03 pm
STL
- TRF
3 stops59h 32m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/287:56 pm
STL
- OSL
3 stops43h 49m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$2,160
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/286:02 am
STL
- TRF
3 stops48h 18m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$2,934
This business-class.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:30 pm
STL
- OSL
1 stop17h 15m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$3,530
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 May 25, 2026.
Round-trip from | $736 (Expedia) |
|---|---|
One-way from | $441 (Kiwi.com) |
Popular in | June |
Cheapest in | April |
Average price | $769 |
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 May 25, 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 11/9
8:25 am-5:10 pm
2 stops25h 45m
Oslo Gardermoen
Wed 11/11
11:50 am-8:37 am
2 stops27h 47m
$740
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Sat 10/10
2:40 pm-12:00 pm
2 stops38h 20m
Oslo Gardermoen
Fri 10/16
7:50 am-8:08 pm
2 stops19h 18m
$746
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 8/26
4:57 pm-4:35 pm
2 stops16h 38m
Oslo Gardermoen
Wed 9/2
12:50 pm-11:59 pm
2 stops18h 09m
$751
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 8/26
4:57 pm-7:45 pm
2 stops19h 48m
Oslo Gardermoen
Wed 9/2
7:45 am-7:30 pm
1 stop18h 45m
$758
Quickest round-trip
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 8/26
3:30 pm-3:55 pm
1 stop17h 25m
Oslo Gardermoen
Wed 9/2
6:35 am-1:25 pm
1 stop13h 50m
$801
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Sun 11/1
10:23 am-5:40 pm
2 stops24h 17m
Oslo Gardermoen
Sun 11/8
6:15 am-1:45 pm
1 stop14h 30m
$803
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 8/26
5:42 pm-6:45 pm
2 stops18h 03m
Oslo Gardermoen
Wed 9/2
6:30 am-8:42 pm
2 stops21h 12m
$805
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Wed 8/26
2:40 pm-2:30 pm
2 stops16h 50m
Oslo Sandefjord
Wed 9/2
6:00 am-6:42 pm
2 stops19h 42m
$1,069
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Mon 7/6
8:55 am-1:20 pm
2 stops21h 25m
Oslo Sandefjord
Mon 7/20
8:55 pm-8:22 pm
2 stops30h 27m
$1,212
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Thu 8/27
2:40 pm-1:25 pm
2 stops15h 45m
Oslo Sandefjord
Tue 9/1
3:05 pm-1:25 pm
3 stops29h 20m
$1,274
Showing 1-10 of 20 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 $1,026). 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 May 25, 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
Food
7.3
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Oslo
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Complete your trip
Complete your trip to Oslo by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Oslo flights
Browse other St. Louis and Oslo flight options. Last updated on May 25, 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 May 25, 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 May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$918 | 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$711 | FlexibilityNo cancel fee | On-time75% |