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Oslo Gardermoen

$505+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
1 adult, Economy
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Cheap 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 October 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$505
(Scandinavian Airlines)

Popular in

November

Cheapest in

March

Average price

$932
Provider with most accurate pricing for Lambert-St Louis-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Oslo Gardermoen flights.
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From Lambert-St Louis to Oslo Gardermoen
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Highest demand for flights based on searches. 18% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 1, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/30. 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 11/151:33 pmSTL - OSL
2 stops16h 37mScandinavian Airlines
Sat 11/228:00 amOSL - STL
2 stops20h 58mScandinavian Airlines
Deal found 9/30$505
This Gurufare deal was found by Cheapflights users on 9/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:39 amSTL - OSL
2 stops19h 36mScandinavian Airlines
Thu 11/208:00 amOSL - STL
2 stops20h 18mScandinavian Airlines
Deal found 9/29$512
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/285:24 pmSTL - OSL
2 stops18h 16mUnited Airlines
Tue 11/46:15 amOSL - STL
2 stops22h 25mUnited Airlines
Deal found 9/30$605
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:39 amSTL - OSL
2 stops24h 11mDelta
Sun 12/79:50 amOSL - STL
2 stops37h 45mDelta
Deal found 9/30$644
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 12/31:00 pmSTL - OSL
2 stops17h 00mUnited Airlines
Sun 12/76:05 amOSL - STL
1 stop14h 50mUnited Airlines
Deal found 9/30$658
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:43 pmSTL - OSL
2 stops17h 27mBritish Airways
Sat 11/156:30 pmOSL - STL
2 stops32h 51mBritish Airways
Deal found 9/30$689
This Booking.com deal was found by Cheapflights users on 9/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:43 pmSTL - OSL
2 stops35h 22mLufthansa
Sat 11/224:35 pmOSL - STL
1 stop28h 20mLufthansa
Deal found 9/30$698
This United deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:50 pmSTL - OSL
1 stop18h 40mMultiple Airlines
Sat 11/151:50 pmOSL - STL
2 stops31h 34mMultiple Airlines
Deal found 9/30$703
This Lufthansa deal was found by Cheapflights users on 9/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:50 pmSTL - OSL
1 stop18h 40mLufthansa
Sun 12/76:05 amOSL - STL
1 stop14h 50mLufthansa
Deal found 9/30$716
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:49 amSTL - OSL
2 stops18h 11mLufthansa
Thu 11/206:25 pmOSL - STL
1 stop26h 30mLufthansa
Deal found 9/29$794
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:25 pmSTL - OSL
2 stops16h 50mUnited Airlines
Sun 10/51:00 pmOSL - STL
2 stops33h 44mUnited Airlines
Deal found 9/29$800

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 October 1, 2025.
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

Sat 11/15

1:33 pm-1:10 pm

2 stops16h 37m

Oslo Gardermoen

Sat 11/22

8:00 am-9:58 pm

2 stops20h 58m

$505

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 11/13

11:39 am-2:15 pm

2 stops19h 36m

Oslo Gardermoen

Thu 11/20

8:00 am-9:18 pm

2 stops20h 18m

$512

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 10/28

5:24 pm-5:40 pm

2 stops18h 16m

Oslo Gardermoen

Tue 11/4

6:15 am-9:40 pm

2 stops22h 25m

$605

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

10:45 am-1:50 pm

2 stops20h 05m

Oslo Gardermoen

Sun 12/7

9:50 am-4:35 pm

2 stops37h 45m

$644

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

12:55 pm-1:00 pm

2 stops17h 05m

Oslo Gardermoen

Sun 12/7

6:05 am-1:55 pm

1 stop14h 50m

$658

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 11/12

1:43 pm-2:10 pm

2 stops17h 27m

Oslo Gardermoen

Sat 11/15

6:30 pm-8:21 pm

2 stops32h 51m

$689

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 11/15

6:43 pm-1:05 pm

2 stops35h 22m

Oslo Gardermoen

Sat 11/22

4:35 pm-1:55 pm

1 stop28h 20m

$698

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 11/12

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

Sat 11/15

1:50 pm-2:24 pm

2 stops31h 34m

$703

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

3:50 pm-1:00 pm

1 stop14h 10m

Oslo Gardermoen

Sun 12/7

6:05 am-1:55 pm

1 stop14h 50m

$716

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 12/13

11:35 am-2:10 pm

2 stops19h 35m

$5,566

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 11 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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, November is the cheapest month in which you can book a flight from St. Louis to Oslo Gardermoen Airport (average of $567). Flying from St. Louis to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,007). 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.

What is the cheapest time of day to fly from STL to OSL?

Find hourly flight availability from St. Louis to Oslo Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 1, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Oslo Gardermoen Airport at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the evening.

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 October 1, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
11,030 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,223 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,443 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $505, Scandinavian Airlines can have you in Oslo Gardermoen Airport from St. Louis in 16h 37m. 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?

    Lufthansa, at $581, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include American Airlines and Air Canada. These flights start at 36% 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, November is the cheapest month in which you can book a flight from St. Louis to Oslo Gardermoen Airport (average of $567). Flying from St. Louis to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,007). 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

Traveling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Gardermoen

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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
Kansas City to Sandefjord flights

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 October 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$581Average$877FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$586Average$891FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$659Average$1,789FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$674Average$961FlexibilityNo cancel feeOn-time69%
DeltaCheapest$676Average$945FlexibilityNo cancel feeOn-timeN/A

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