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Oslo Gardermoen

$519+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
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 July 9, 2025.

Round-trip from

$634
(Scandinavian Airlines)

One-way from

$519
(Gurufare)

Popular in

December

Cheapest in

January

Average price

$1,189
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. 8% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 9, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 8/251:26 pmSTL - OSL
2 stops20h 09mScandinavian Airlines
Tue 9/25:15 pmOSL - STL
2 stops35h 47mScandinavian Airlines
Deal found 7/8$634
This Delta deal was found by Cheapflights users on 7/8. 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 8/257:03 pmSTL - OSL
2 stops16h 47mDelta
Mon 9/16:05 amOSL - STL
2 stops17h 01mDelta
Deal found 7/8$635
This Air France deal was found by Cheapflights users on 7/8. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:25 pmSTL - OSL
2 stops15h 20mAir France
Wed 9/36:05 amOSL - STL
2 stops17h 40mAir France
Deal found 7/8$641
This Air France deal was found by Cheapflights users on 7/8. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:25 pmSTL - OSL
2 stops15h 20mMultiple Airlines
Tue 9/26:30 amOSL - STL
2 stops17h 17mMultiple Airlines
Deal found 7/8$642
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:52 pmSTL - OSL
2 stops18h 23mAmerican Airlines
Wed 9/31:20 pmOSL - STL
2 stops16h 30mAmerican Airlines
Deal found 7/8$651
This Ovago deal was found by Cheapflights users on 7/8. 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.
Wed 8/275:52 pmSTL - OSL
2 stops18h 23mBritish Airways
Thu 9/47:45 amOSL - STL
2 stops19h 47mBritish Airways
Deal found 7/8$658
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/261:10 pmSTL - OSL
2 stops19h 30mUnited Airlines
Fri 9/56:35 amOSL - STL
1 stop13h 55mUnited Airlines
Deal found 7/8$680
This KLM deal was found by Cheapflights users on 7/7. 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.
Wed 8/65:37 pmSTL - OSL
2 stops14h 48mKLM
Wed 8/136:30 amOSL - STL
2 stops17h 05mKLM
Deal found 7/7$702
This Lufthansa deal was found by Cheapflights users on 7/6. 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 7/6$739
This Air Canada deal was found by Cheapflights users on 7/8. 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.
Tue 8/261:30 pmSTL - OSL
2 stops19h 10mAir Canada
Mon 9/19:50 amOSL - STL
2 stops41h 07mAir Canada
Deal found 7/8$788

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 July 9, 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 8/25

1:26 pm-4:35 pm

2 stops20h 09m

Oslo Gardermoen

Tue 9/2

5:15 pm-10:02 pm

2 stops35h 47m

$634

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/25

7:03 pm-6:50 pm

2 stops16h 47m

Oslo Gardermoen

Mon 9/1

6:05 am-4:06 pm

2 stops17h 01m

$635

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/26

5:25 pm-3:45 pm

2 stops15h 20m

Oslo Gardermoen

Thu 9/4

6:05 am-4:45 pm

2 stops17h 40m

$641

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/26

5:25 pm-3:45 pm

2 stops15h 20m

Oslo Gardermoen

Tue 9/2

6:30 am-4:47 pm

2 stops17h 17m

$642

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 8/27

5:52 pm-7:15 pm

2 stops18h 23m

Oslo Gardermoen

Wed 9/3

1:20 pm-10:50 pm

2 stops16h 30m

$651

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 8/27

5:52 pm-7:15 pm

2 stops18h 23m

Oslo Gardermoen

Thu 9/4

7:45 am-8:32 pm

2 stops19h 47m

$658

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/26

1:10 pm-3:40 pm

2 stops19h 30m

Oslo Gardermoen

Fri 9/5

6:35 am-1:30 pm

1 stop13h 55m

$680

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 8/6

5:37 pm-3:25 pm

2 stops14h 48m

Oslo Gardermoen

Wed 8/13

6:30 am-4:35 pm

2 stops17h 05m

$702

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

Sun 12/7

6:05 am-1:55 pm

1 stop14h 50m

$739

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/26

1:30 pm-3:40 pm

2 stops19h 10m

Oslo Gardermoen

Mon 9/1

9:50 am-7:57 pm

2 stops41h 07m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 13 results
1
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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 $1,010). 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 July 9, 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 July 9, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France 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
7,954 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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!
KLM
7.8
Good
1,370 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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 France
7.5
Good
1,468 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
8,842 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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!
Scandinavian Airlines
7.3
Good
1,413 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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?

    Scandinavian Airlines, at $634, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include Delta and Air France. These flights start at 32% 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 $1,010). 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 St. Louis?

Book flights to St. Louis 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 July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$586Average$903FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$593Average$933FlexibilityNo cancel feeOn-time69%
KLMCheapest$649Average$801FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$659Average$1,789FlexibilityNo cancel feeOn-time67%
DeltaCheapest$676Average$964FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$765Average$937FlexibilityNo cancel feeOn-time76%

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