$517+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Aug 27 — Sep 31
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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Best
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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 July 28, 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 July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 12/28:25 am
STL
- OSL
2 stops25h 45m
United Airlines
Fri 12/46:45 am
OSL
- STL
2 stops23h 24m
United Airlines
Deal found 7/23![United Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 7/26. 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 12/17:33 am
STL
- OSL
2 stops27h 07m
United Airlines
Thu 12/36:15 am
OSL
- STL
2 stops23h 54m
United Airlines
Deal found 7/26![United Airlines logo]()
$740
This oojo deal was found by Cheapflights users on 7/27. 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.
Thu 9/101:40 pm
STL
- OSL
2 stops16h 15m
Scandinavian Airlines
Thu 9/178:00 am
OSL
- STL
2 stops22h 42m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$844
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares 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
Lufthansa
Tue 9/16:55 am
OSL
- STL
1 stop13h 30m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$858
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/83:32 pm
STL
- OSL
2 stops19h 28m
United Airlines
Tue 9/156:55 am
OSL
- STL
2 stops42h 46m
United Airlines
Deal found 7/26![United Airlines logo]()
$868
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 8/2410:33 am
STL
- OSL
2 stops18h 17m
Delta
Tue 9/111:50 am
OSL
- STL
2 stops18h 36m
Delta
Deal found 7/26![Delta logo]()
$872
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/161:36 pm
STL
- OSL
2 stops18h 14m
United Airlines
Sun 8/239:55 am
OSL
- STL
2 stops39h 47m
United Airlines
Deal found 7/24![United Airlines logo]()
$880
This oojo deal was found by Cheapflights users on 7/24. 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 8/166:54 pm
STL
- OSL
2 stops16h 31m
Lufthansa
Sun 8/236:55 pm
OSL
- STL
1 stop25h 30m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$884
This oojo deal was found by Cheapflights users on 7/26. 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 8/243:30 pm
STL
- TRF
2 stops22h 40m
Lufthansa
Tue 9/13:30 pm
TRF
- STL
2 stops28h 55m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$1,088
This oojo deal was found by Cheapflights users on 7/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:58 pm
STL
- TRF
2 stops14h 22m
Scandinavian Airlines
Wed 7/298:55 pm
TRF
- STL
2 stops32h 20m
Scandinavian Airlines
Deal found 7/23![Scandinavian Airlines logo]()
$3,008
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 July 28, 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 July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 12/17:33 am
STL
- OSL
2 stops27h 07m
United Airlines
Thu 12/36:15 am
OSL
- STL
2 stops23h 54m
United Airlines
Deal found 7/27![United Airlines logo]()
$740
This oojo deal was found by Cheapflights users on 7/27. 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.
Thu 9/101:40 pm
STL
- OSL
2 stops16h 15m
Scandinavian Airlines
Thu 9/178:00 am
OSL
- STL
2 stops22h 42m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 8/2410:33 am
STL
- OSL
2 stops18h 17m
Delta
Tue 9/111:50 am
OSL
- STL
2 stops18h 36m
Delta
Deal found 7/26![Delta logo]()
$872
This oojo deal was found by Cheapflights users on 7/26. 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 8/243:30 pm
STL
- TRF
2 stops22h 40m
Lufthansa
Tue 9/13:30 pm
TRF
- STL
2 stops28h 55m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$1,088
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 12/23:15 pm
STL
- OSL
2 stops17h 30m
United Airlines
Fri 12/46:15 am
OSL
- STL
1 stop14h 30m
United Airlines
Deal found 7/23![United Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/83:32 pm
STL
- OSL
2 stops19h 28m
United Airlines
Tue 9/156:55 am
OSL
- STL
2 stops42h 46m
United Airlines
Deal found 7/26![United Airlines logo]()
$868
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/161:36 pm
STL
- OSL
2 stops18h 14m
United Airlines
Sun 8/239:55 am
OSL
- STL
2 stops39h 47m
United Airlines
Deal found 7/24![United Airlines logo]()
$880
Last-minute flights from St. Louis to OsloDiscover last-minute flight deals from St. Louis to Oslo. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Oslo. Data last updated July 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/161:36 pm
STL
- OSL
2 stops18h 14m
United Airlines
Sun 8/239:55 am
OSL
- STL
2 stops39h 47m
United Airlines
Deal found 7/24![United Airlines logo]()
$880
This oojo deal was found by Cheapflights users on 7/24. 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 8/166:54 pm
STL
- OSL
2 stops16h 31m
Lufthansa
Sun 8/236:55 pm
OSL
- STL
1 stop25h 30m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$884
This Mytrip deal was found by Cheapflights users on 7/24. 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 8/1612:10 pm
STL
- OSL
2 stops28h 40m
Multiple Airlines
Sun 8/234:15 pm
OSL
- STL
3 stops33h 27m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,300
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares 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
Lufthansa
Tue 9/16:55 am
OSL
- STL
1 stop13h 30m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$858
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 8/2410:33 am
STL
- OSL
2 stops18h 17m
Delta
Tue 9/111:50 am
OSL
- STL
2 stops18h 36m
Delta
Deal found 7/26![Delta logo]()
$872
This oojo deal was found by Cheapflights users on 7/26. 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 8/243:30 pm
STL
- TRF
2 stops22h 40m
Lufthansa
Tue 9/13:30 pm
TRF
- STL
2 stops28h 55m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$1,088
This Mytrip deal was found by Cheapflights users on 7/26. 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 8/242:00 pm
STL
- OSL
3 stops18h 25m
Multiple Airlines
Tue 9/19:10 pm
OSL
- STL
3 stops30h 12m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$1,508
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 July 28, 2026.
Search for one-way flight options from St. Louis to Oslo. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:52 pm
STL
- OSL
2 stops15h 58m
Delta
Deal found 7/28![Delta logo]()
$517
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 8/278:50 am
STL
- OSL
2 stops25h 25m
United Airlines
Deal found 7/24![United Airlines logo]()
$521
This Air Canada deal was found by Cheapflights users on 7/27. 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.
Thu 8/272:40 pm
STL
- TRF
2 stops16h 50m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$654
This Icelandair deal was found by Cheapflights users on 7/24. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:45 pm
STL
- OSL
3 stops17h 40m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,499
This Ovago deal was found by Cheapflights users on 7/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:39 pm
STL
- TRF
2 stops15h 51m
Scandinavian Airlines
Deal found 7/26![Scandinavian Airlines logo]()
$2,567
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 July 28, 2026.
Round-trip from | $735 (United Airlines) |
|---|---|
One-way from | $517 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $985 |
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 July 28, 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
Tue 12/1
7:33 am-5:40 pm
2 stops27h 07m
Oslo Gardermoen
Thu 12/3
6:15 am-11:09 pm
2 stops23h 54m
$740
Quickest round-trip
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Wed 12/2
3:15 pm-3:45 pm
2 stops17h 30m
Oslo Gardermoen
Fri 12/4
6:15 am-1:45 pm
1 stop14h 30m
$793
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Thu 9/10
1:40 pm-12:55 pm
2 stops16h 15m
Oslo Gardermoen
Thu 9/17
8:00 am-11:42 pm
2 stops22h 42m
$844
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Tue 9/8
3:32 pm-6:00 pm
2 stops19h 28m
Oslo Gardermoen
Tue 9/15
6:55 am-6:41 pm
2 stops42h 46m
$868
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Mon 8/24
10:33 am-11:50 am
2 stops18h 17m
Oslo Gardermoen
Tue 9/1
11:50 am-11:26 pm
2 stops18h 36m
$872
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Sun 8/16
1:36 pm-2:50 pm
2 stops18h 14m
Oslo Gardermoen
Sun 8/23
9:55 am-6:42 pm
2 stops39h 47m
$880
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Mon 8/24
3:30 pm-9:10 pm
2 stops22h 40m
Oslo Sandefjord
Tue 9/1
3:30 pm-1:25 pm
2 stops28h 55m
$1,088
Cheapest one-way
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Thu 8/27
12:52 pm-11:50 am
2 stops15h 58m
$517
St. LouisOslo
STL - OSL
STLOSL
Lambert-St Louis
Thu 8/27
8:50 am-5:15 pm
2 stops25h 25m
$521
St. LouisOslo
STL - TRF
STLTRF
Lambert-St Louis
Thu 8/27
2:40 pm-2:30 pm
2 stops16h 50m
$654
Showing 1-10 of 12 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
How much does it cost to fly round-trip from St. Louis to Oslo?
Airfare is typical for this route at the moment.
St. Louis to Oslo flights typically cost between $635 and $1,018 in December.The cheapest round-trip price found within the last 5 days was $735 on United Airlines (Dec 2-Dec 4).
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 July 28, 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.
Food
7.3
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Boarding
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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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 July 28, 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 July 28, 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$674 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$581 | Average$880 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$719 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$685 | Average$794 | FlexibilityNo cancel fee | On-time75% |