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Oslo Gardermoen

$517+ Cheap flights from St. Louis (STL) to Oslo Gardermoen (OSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from St. Louis to Oslo Gardermoen

Cheapest flights from St. Louis to Oslo Gardermoen
Explore the most affordable flight options available from St. Louis to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This oojo deal was found by Cheapflights users on 2/12. 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 11/1611:51 am
STL
-
OSL
2 stops23h 49m
British Airways
Mon 11/238:50 pm
OSL
-
STL
2 stops32h 39m
British Airways
Deal found 2/12$517
This oojo deal was found by Cheapflights users on 2/12. 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 11/88:40 am
STL
-
OSL
2 stops31h 00m
British Airways
Sun 11/158:50 pm
OSL
-
STL
2 stops32h 39m
British Airways
Deal found 2/12$574
This Mytrip deal was found by Cheapflights users on 2/12. 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 11/83:50 pm
STL
-
OSL
1 stop14h 15m
Multiple Airlines
Sun 11/156:15 am
OSL
-
STL
2 stops16h 15m
Multiple Airlines
Deal found 2/12$577
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/204:05 pm
STL
-
OSL
2 stops25h 15m
United Airlines
Tue 4/79:55 am
OSL
-
STL
2 stops19h 33m
United Airlines
Deal found 2/10$583
This United Airlines deal was found by Cheapflights users on 2/12. 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 11/810:23 am
STL
-
OSL
2 stops23h 47m
United Airlines
Sun 11/156:15 am
OSL
-
STL
1 stop14h 40m
United Airlines
Deal found 2/12$584
This Priceline deal was found by Cheapflights users on 2/10. 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.
Mon 8/241:30 pm
STL
-
OSL
2 stops22h 10m
British Airways
Sun 9/68:35 am
OSL
-
STL
2 stops16h 54m
British Airways
Deal found 2/10$586
This FlightHub deal was found by Cheapflights users on 2/12. 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 11/83:50 pm
STL
-
OSL
1 stop14h 15m
Lufthansa
Sun 11/156:15 am
OSL
-
STL
1 stop14h 40m
Lufthansa
Deal found 2/12$589
This Expedia deal was found by Cheapflights users on 2/10. 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 8/243:30 pm
STL
-
OSL
1 stop16h 55m
Multiple Airlines
Sun 9/68:35 am
OSL
-
STL
2 stops16h 54m
Multiple Airlines
Deal found 2/10$591
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/287:00 pm
STL
-
OSL
2 stops39h 15m
United Airlines
Sat 4/41:05 pm
OSL
-
STL
2 stops40h 23m
United Airlines
Deal found 2/11$603
This KAYAK deal was found by Cheapflights users on 2/9. 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.
Fri 8/149:35 pm
STL
-
OSL
1 stop17h 45m
British Airways
Mon 8/245:05 pm
OSL
-
STL
1 stop33h 25m
British Airways
Deal found 2/9$605
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 stop13h 50m
Lufthansa
Sun 9/66:25 am
OSL
-
STL
1 stop14h 00m
Lufthansa
Deal found 2/10$611

Find flight deals from St. Louis to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Oslo Gardermoen (OSL). 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$796
Provider with most accurate pricing for Lambert-St Louis-Oslo Gardermoen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Oslo Gardermoen flights.
Search Deals
From Lambert-St Louis to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Oslo Gardermoen 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 February 13, 2026.
Use the filters below to find and compare flights from St. Louis to Oslo Gardermoen Airport that are best for you.

Fly from

St. Louis

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 3/20

4:05 pm-11:20 pm

2 stops25h 15m

Oslo Gardermoen

Tue 4/7

9:55 am-10:28 pm

2 stops19h 33m

$583

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 3/28

7:00 pm-4:15 pm

2 stops39h 15m

Oslo Gardermoen

Sat 4/4

1:05 pm-10:28 pm

2 stops40h 23m

$603

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 4/6

5:25 pm-4:20 pm

2 stops15h 55m

Oslo Gardermoen

Fri 4/10

9:20 am-11:25 pm

2 stops21h 05m

$646

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 2/24

8:30 am-11:00 am

2 stops19h 30m

Oslo Gardermoen

Sat 2/28

9:35 am-7:14 pm

2 stops16h 39m

$665

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 3/27

4:05 pm-1:50 pm

2 stops39h 45m

Oslo Gardermoen

Fri 4/3

7:10 am-10:27 pm

2 stops22h 17m

$669

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

1:00 pm-5:55 pm

2 stops21h 55m

Oslo Gardermoen

Wed 5/27

6:35 am-1:25 pm

1 stop13h 50m

$684

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 2/26

8:30 am-5:10 pm

2 stops25h 40m

Oslo Gardermoen

Mon 3/2

2:05 pm-9:05 pm

2 stops38h 00m

$686

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

1:00 pm-5:55 pm

2 stops21h 55m

Oslo Gardermoen

Wed 5/27

6:35 am-8:05 pm

2 stops20h 30m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Compare providers for flights from St. Louis to Oslo Gardermoen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Oslo Gardermoen in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Oslo Gardermoen Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Oslo Gardermoen Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from St. Louis with our price prediction graph.
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 Gardermoen Airport

What is the cheapest month to book a flight from St. Louis to Oslo Gardermoen Airport?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Oslo Gardermoen Airport (average of $507). Flying from St. Louis to Oslo Gardermoen Airport 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 Gardermoen Airport?

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. 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 Gardermoen. Reviews last updated February 13, 2026.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from St. Louis to Oslo Gardermoen Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,192 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,452 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,285 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,782 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,737 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Oslo Gardermoen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Oslo Gardermoen?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Oslo Gardermoen. 5 airlines have flights from Lambert-St Louis to Oslo Gardermoen on a regular basis. Booking flights from Lambert-St Louis to Oslo Gardermoen should not be difficult; the airport handles an average of 0 outbound flights to Oslo Gardermoen per day.

  • How long is the flight from St. Louis to Oslo Gardermoen Airport?

    For as low as $646, United Airlines can have you in Oslo Gardermoen Airport from St. Louis in 15h 55m. St. Louis and Oslo Gardermoen Airport are separated by a distance of 4296 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Oslo Gardermoen Airport round-trip?

    United Airlines, at $542, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include Lufthansa and Delta. These flights start at 27% lower than the current average price 3 months from now.

  • Can I find deals for flights from St. Louis to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on St. Louis to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Oslo Gardermoen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Oslo Gardermoen.

  • Can I find deals for business class flights from St. Louis to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from St. Louis to Oslo Gardermoen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Oslo Gardermoen Airport?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Oslo Gardermoen Airport (average of $507). Flying from St. Louis to Oslo Gardermoen Airport 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.

See more FAQs

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Alternative routes for St. Louis to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Oslo Gardermoen flights
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Top 5 airlines flying from St. Louis to Oslo Gardermoen

Discover the top 5 airlines that operate flights from St. Louis to Oslo Gardermoen. 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$542Average$868FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$589Average$805FlexibilityNo cancel feeOn-time76%
DeltaCheapest$625Average$884FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$649Average$685FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$656Average$719FlexibilityNo cancel feeOn-time70%

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