$342+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Apr 30 — May 71
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Oslo with Cheapflights
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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 March 31, 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 March 31, 2026.
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:42 pm
STL
- OSL
2 stops14h 13m
Scandinavian Airlines
Tue 10/277:05 pm
OSL
- STL
2 stops34h 34m
Scandinavian Airlines
Deal found 3/27![Scandinavian Airlines logo]()
$677
This Priceline deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:45 am
STL
- OSL
2 stops30h 45m
Multiple Airlines
Sat 9/512:50 pm
OSL
- STL
2 stops18h 01m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$737
This KAYAK deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:42 pm
STL
- OSL
2 stops14h 13m
Scandinavian Airlines
Sun 9/66:00 pm
OSL
- STL
2 stops36h 37m
Scandinavian Airlines
Deal found 3/27![Scandinavian Airlines logo]()
$761
This Sembo deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:40 pm
STL
- OSL
1 stop19h 00m
British Airways
Tue 5/1211:15 am
OSL
- STL
2 stops18h 04m
British Airways
Deal found 3/29![British Airways logo]()
$791
This KAYAK deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:40 pm
STL
- OSL
1 stop19h 00m
British Airways
Tue 9/85:45 pm
OSL
- STL
1 stop32h 45m
British Airways
Deal found 3/27![British Airways logo]()
$795
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:24 pm
STL
- OSL
2 stops22h 01m
Lufthansa
Wed 5/276:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 3/31![Lufthansa logo]()
$796
This Priceline deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:18 pm
STL
- OSL
2 stops20h 27m
Finnair
Sat 8/228:55 pm
OSL
- STL
2 stops29h 35m
Finnair
Deal found 3/28![Finnair logo]()
$799
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:32 pm
STL
- OSL
2 stops21h 33m
United Airlines
Wed 9/26:35 am
OSL
- STL
1 stop13h 50m
United Airlines
Deal found 3/27![United Airlines logo]()
$802
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:30 pm
STL
- OSL
1 stop13h 50m
Lufthansa
Fri 9/46:25 am
OSL
- STL
1 stop14h 00m
Lufthansa
Deal found 3/27![Lufthansa logo]()
$808
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:30 pm
STL
- OSL
1 stop16h 55m
United Airlines
Tue 9/86:55 am
OSL
- STL
1 stop13h 30m
United Airlines
Deal found 3/27![United Airlines logo]()
$810
This Flysmarter deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:59 pm
STL
- TRF
3 stops17h 31m
KLM
Tue 5/196:00 am
TRF
- STL
2 stops18h 05m
KLM
Deal found 3/28![KLM logo]()
$1,154
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:42 pm
STL
- TRF
2 stops25h 43m
Scandinavian Airlines
Wed 8/263:05 pm
TRF
- STL
2 stops39h 32m
Scandinavian Airlines
Deal found 3/30![Scandinavian Airlines logo]()
$1,204
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 March 31, 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 March 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:24 pm
STL
- OSL
2 stops22h 01m
Lufthansa
Wed 5/276:35 am
OSL
- STL
1 stop13h 50m
Lufthansa
Deal found 3/31![Lufthansa logo]()
$796
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:35 pm
STL
- OSL
2 stops16h 05m
Delta
Wed 5/208:00 am
OSL
- STL
2 stops20h 29m
Delta
Deal found 3/26![Delta logo]()
$825
This KLM deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:50 am
STL
- OSL
2 stops14h 55m
KLM
Sat 5/236:30 am
OSL
- STL
2 stops16h 40m
KLM
Deal found 3/27![KLM logo]()
$904
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 5/149:21 am
STL
- OSL
2 stops22h 24m
United Airlines
Wed 5/276:35 am
OSL
- STL
1 stop13h 50m
United Airlines
Deal found 3/26![United Airlines logo]()
$912
This Scandinavian Airlines deal was found by Cheapflights users on 3/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:42 pm
STL
- TRF
2 stops25h 43m
Scandinavian Airlines
Wed 8/263:05 pm
TRF
- STL
2 stops39h 32m
Scandinavian Airlines
Deal found 3/26![Scandinavian Airlines logo]()
$1,204
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:36 pm
STL
- OSL
2 stops17h 59m
Delta
Wed 5/208:00 am
OSL
- STL
2 stops22h 21m
Delta
Deal found 3/29![Delta logo]()
$830
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:15 am
STL
- OSL
2 stops23h 00m
United Airlines
Thu 5/216:45 am
OSL
- STL
2 stops24h 34m
United Airlines
Deal found 3/30![United Airlines logo]()
$923
This Flysmarter deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:57 pm
STL
- TRF
3 stops22h 28m
KLM
Tue 5/193:05 pm
TRF
- STL
3 stops37h 04m
KLM
Deal found 3/28![KLM logo]()
$1,162
This KAYAK deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:42 am
STL
- TRF
2 stops19h 48m
Scandinavian Airlines
Sat 5/236:00 am
TRF
- STL
2 stops22h 29m
Scandinavian Airlines
Deal found 3/28![Scandinavian Airlines logo]()
$1,624
This Flysmarter deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:25 pm
STL
- TRF
2 stops39h 05m
KLM
Fri 5/223:05 pm
TRF
- STL
2 stops39h 16m
KLM
Deal found 3/31![KLM logo]()
$1,704
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/143:45 pm
STL
- TRF
2 stops15h 45m
Scandinavian Airlines
Fri 6/196:00 am
TRF
- STL
2 stops24h 56m
Scandinavian Airlines
Deal found 3/26![Scandinavian Airlines logo]()
$1,898
Last-minute flights from St. Louis to OsloDiscover last-minute flight deals from St. Louis to Oslo. Data last updated March 31, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Oslo. Data last updated March 31, 2026 and is based on user searches.
This Flysmarter deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:59 pm
STL
- OSL
2 stops15h 41m
Multiple Airlines
Sun 4/56:30 am
OSL
- STL
2 stops17h 35m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$858
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:15 am
STL
- OSL
3 stops23h 00m
United Airlines
Sun 4/59:55 am
OSL
- STL
2 stops17h 59m
United Airlines
Deal found 3/30![United Airlines logo]()
$1,126
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:05 pm
STL
- TRF
3 stops25h 20m
Multiple Airlines
Sun 4/53:05 pm
TRF
- STL
3 stops31h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$2,503
This Sembo deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:40 pm
STL
- OSL
1 stop19h 00m
British Airways
Tue 5/127:30 pm
OSL
- STL
1 stop31h 00m
British Airways
Deal found 3/29![British Airways logo]()
$791
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:05 pm
STL
- OSL
2 stops19h 15m
Multiple Airlines
Tue 5/1211:10 pm
OSL
- STL
3 stops28h 15m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,250
This BusinessClass deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:30 pm
STL
- OSL
2 stops23h 55m
British Airways
Tue 5/57:30 pm
OSL
- STL
2 stops27h 30m
British Airways
Deal found 3/30![British Airways logo]()
$1,309
This Turkish Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:05 pm
STL
- OSL
2 stops24h 05m
Multiple Airlines
Tue 5/57:15 am
OSL
- STL
2 stops20h 58m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$4,604
This Turkish Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:45 am
STL
- OSL
2 stops27h 00m
Turkish Airlines
Tue 5/57:15 am
OSL
- STL
2 stops20h 58m
Turkish Airlines
Deal found 3/30![Turkish Airlines logo]()
$5,066
This Arangrant deal was found by Cheapflights users on 3/26. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:30 pm
STL
- OSL
1 stop13h 45m
Lufthansa
Tue 5/55:05 pm
OSL
- STL
1 stop27h 20m
Lufthansa
Deal found 3/26![Lufthansa logo]()
$5,754
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 March 31, 2026.
Search for one-way flight options from St. Louis to Oslo. Find affordable one-way fares based on user searches. Data last updated March 31, 2026.
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:13 pm
STL
- OSL
2 stops21h 02m
United Airlines
Deal found 3/28![United Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:30 pm
STL
- TRF
3 stops38h 00m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:30 pm
STL
- OSL
3 stops35h 25m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$503
This Ticket deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/512:28 pm
STL
- OSL
2 stops15h 37m
KLM
Deal found 3/30![KLM logo]()
$545
This Flysmarter deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/512:04 pm
STL
- OSL
2 stops16h 41m
Air France
Deal found 3/30![Air France logo]()
$569
This lastminute.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:30 pm
STL
- OSL
1 stop25h 35m
Lufthansa
Deal found 3/30![Lufthansa logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:12 pm
STL
- OSL
3 stops43h 03m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:30 pm
STL
- TRF
3 stops57h 10m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$853
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 March 31, 2026.
Round-trip from | $737 (Priceline) |
|---|---|
One-way from | $342 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $636 |
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 March 31, 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
Sun 5/3
1:24 pm-6:25 pm
2 stops22h 01m
Oslo Gardermoen
Wed 5/27
6:35 am-1:25 pm
1 stop13h 50m
$796
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 5/6
5:35 pm-4:40 pm
2 stops16h 05m
Oslo Gardermoen
Wed 5/20
8:00 am-9:29 pm
2 stops20h 29m
$825
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 5/13
5:36 pm-6:35 pm
2 stops17h 59m
Oslo Gardermoen
Wed 5/20
8:00 am-11:21 pm
2 stops22h 21m
$830
Quickest round-trip
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Sun 5/3
10:50 am-8:45 am
2 stops14h 55m
Oslo Gardermoen
Sat 5/23
6:30 am-4:10 pm
2 stops16h 40m
$904
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Thu 5/14
9:21 am-2:45 pm
2 stops22h 24m
Oslo Gardermoen
Wed 5/27
6:35 am-1:25 pm
1 stop13h 50m
$912
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Thu 5/14
11:15 am-5:15 pm
2 stops23h 00m
Oslo Gardermoen
Thu 5/21
6:45 am-12:19 am
2 stops24h 34m
$923
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Tue 5/12
6:57 pm-12:25 am
3 stops22h 28m
Oslo Sandefjord
Tue 5/19
3:05 pm-9:09 pm
3 stops37h 04m
$1,162
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Sat 8/22
3:42 pm-12:25 am
2 stops25h 43m
Oslo Sandefjord
Wed 8/26
3:05 pm-11:37 pm
2 stops39h 32m
$1,204
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Sun 5/3
11:42 am-2:30 pm
2 stops19h 48m
Oslo Sandefjord
Sat 5/23
6:00 am-9:29 pm
2 stops22h 29m
$1,624
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Fri 5/15
4:25 pm-2:30 pm
2 stops39h 05m
Oslo Sandefjord
Fri 5/22
3:05 pm-11:21 pm
2 stops39h 16m
$1,704
Showing 1-10 of 18 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 $498). Flying from St. Louis to Oslo in June is currently the most expensive (average of $946). 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 March 31, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited Airlines 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.
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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 March 31, 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 March 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to Oslo
Discover the top 5 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 March 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$822 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$581 | Average$805 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$635 | Average$884 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$656 | Average$719 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$685 | Average$711 | FlexibilityNo cancel fee | On-time75% |