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Oslo Gardermoen

$445+ Cheap flights from St. Louis (STL) to Oslo Gardermoen (OSL)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$610
(Expedia)

One-way from

$445
(Ovago)

Popular in

June

Cheapest in

March

Average price

$812
From Lambert-St Louis to Oslo Gardermoen
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One-way flight from Lambert-St Louis to Oslo Gardermoen
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Highest demand for flights based on searches. 18% potential increase in price ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
Tue 10/142:15 pmSTL - OSL
2 stops16h 30mDelta
Tue 10/216:00 amOSL - STL
2 stops17h 43mDelta
Deal found 8/13$648
This Delta deal was found by Cheapflights users on 8/13. 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 12/312:10 pmSTL - OSL
2 stops16h 40mDelta
Sun 12/79:25 amOSL - STL
2 stops38h 15mDelta
Deal found 8/13$655
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 8/243:40 pmSTL - OSL
2 stops18h 00mDelta
Thu 9/46:05 amOSL - STL
2 stops22h 11mDelta
Deal found 8/14$683
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 12/31:00 pmSTL - OSL
2 stops19h 20mUnited Airlines
Sun 12/76:05 amOSL - STL
1 stop14h 50mUnited Airlines
Deal found 8/12$686
This Delta deal was found by Cheapflights users on 8/14. 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 8/2510:20 amSTL - OSL
2 stops17h 45mDelta
Mon 9/16:05 amOSL - STL
2 stops20h 02mDelta
Deal found 8/14$696
This Lufthansa deal was found by Cheapflights users on 8/13. 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 10/1412:25 pmSTL - OSL
2 stops15h 25mLufthansa
Tue 10/211:00 pmOSL - STL
1 stop31h 30mLufthansa
Deal found 8/13$706
This Delta deal was found by Cheapflights users on 8/13. 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 9/84:20 pmSTL - OSL
2 stops17h 20mDelta
Fri 9/196:05 amOSL - STL
2 stops21h 29mDelta
Deal found 8/13$712
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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 9/273:55 pmSTL - OSL
2 stops15h 15mScandinavian Airlines
Sat 10/49:00 amOSL - STL
2 stops20h 00mScandinavian Airlines
Deal found 8/13$720
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 8/246:00 pmSTL - OSL
2 stops15h 40mDelta
Sun 8/316:05 amOSL - STL
2 stops22h 57mDelta
Deal found 8/14$733
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 8/246:00 pmSTL - OSL
2 stops15h 40mDelta
Fri 9/56:30 amOSL - STL
2 stops15h 00mDelta
Deal found 8/14$734
This Lufthansa deal was found by Cheapflights users on 8/13. 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 stop16h 30mLufthansa
Sun 12/76:05 amOSL - STL
1 stop14h 50mLufthansa
Deal found 8/13$737

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 August 14, 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

Mon 1/5

6:30 pm-6:40 pm

2 stops17h 10m

Oslo Gardermoen

Fri 1/9

8:25 am-6:23 pm

2 stops16h 58m

$610

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 10/14

2:15 pm-1:45 pm

2 stops16h 30m

Oslo Gardermoen

Tue 10/21

6:00 am-4:43 pm

2 stops17h 43m

$648

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

10:45 am-11:50 am

2 stops18h 05m

Oslo Gardermoen

Sun 12/7

12:40 pm-4:47 pm

2 stops35h 07m

$655

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/24

3:40 pm-4:40 pm

2 stops18h 00m

Oslo Gardermoen

Thu 9/4

6:05 am-9:16 pm

2 stops22h 11m

$683

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/24

6:00 pm-4:40 pm

2 stops15h 40m

Oslo Gardermoen

Mon 9/1

6:05 am-7:07 pm

2 stops20h 02m

$683

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/24

6:00 pm-4:40 pm

2 stops15h 40m

Oslo Gardermoen

Wed 9/3

6:05 am-7:07 pm

2 stops20h 02m

$683

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/24

6:00 pm-4:40 pm

2 stops15h 40m

Oslo Gardermoen

Tue 9/2

6:05 am-7:07 pm

2 stops20h 02m

$683

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

1:00 pm-3:20 pm

2 stops19h 20m

Oslo Gardermoen

Sun 12/7

6:05 am-1:55 pm

1 stop14h 50m

$686

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/25

5:25 pm-4:20 pm

2 stops15h 55m

Oslo Gardermoen

Thu 9/4

6:05 am-11:23 pm

2 stops24h 18m

$696

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/26

3:30 pm-4:20 pm

2 stops17h 50m

Oslo Gardermoen

Tue 9/2

6:05 am-4:45 pm

2 stops17h 40m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 11 results
1
2

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 $1,009). 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 August 14, 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.

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 August 14, 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
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
9,949 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
7,317 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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. 6 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.

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

    American Airlines, at $586, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include United Airlines and KLM. These flights start at 33% 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 $1,009). 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 6 airlines flying from St. Louis to Oslo Gardermoen

Discover the top 6 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$586Average$991FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$644Average$961FlexibilityNo cancel feeOn-time69%
KLMCheapest$649Average$801FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$659Average$1,789FlexibilityNo cancel feeOn-time67%
DeltaCheapest$676Average$945FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$735Average$877FlexibilityNo cancel feeOn-time76%

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