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Oslo Gardermoen

$566+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$632
(Ticket)

Popular in

December

Cheapest in

January

Average price

$840
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. 7% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/15. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:54 pmSTL - OSL
2 stops26h 31mFinnair
Tue 10/288:50 pmOSL - STL
2 stops31h 44mFinnair
Deal found 4/15$566
This Air Canada deal was found by Cheapflights users on 4/15. 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 10/141:30 pmSTL - OSL
2 stops15h 45mAir Canada
Tue 10/281:35 pmOSL - STL
3 stops28h 45mAir Canada
Deal found 4/15$607
This FlightHub deal was found by Cheapflights users on 4/15. 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.
Tue 10/1412:28 pmSTL - OSL
2 stops16h 47mLufthansa
Tue 10/286:15 pmOSL - STL
1 stop26h 40mLufthansa
Deal found 4/15$644
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:30 amSTL - OSL
2 stops22h 35mMultiple Airlines
Wed 6/46:50 amOSL - STL
1 stop13h 40mMultiple Airlines
Deal found 4/14$653
This United deal was found by Cheapflights users on 4/15. 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.
Tue 5/207:30 amSTL - OSL
2 stops31h 40mUnited Airlines
Wed 6/46:45 amOSL - STL
3 stops21h 40mUnited Airlines
Deal found 4/15$748
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 7/225:45 pmSTL - OSL
2 stops17h 50mDelta
Thu 7/316:05 amOSL - STL
2 stops21h 25mDelta
Deal found 4/14$784
This Aeromexico deal was found by Cheapflights users on 4/15. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/193:30 pmSTL - OSL
2 stops37h 20mAir France
Sun 7/275:35 pmOSL - STL
2 stops31h 28mAir France
Deal found 4/15$849
This Gurufare deal was found by Cheapflights users on 4/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/251:30 pmSTL - OSL
2 stops16h 25mScandinavian Airlines
Wed 7/96:00 amOSL - STL
2 stops24h 39mScandinavian Airlines
Deal found 4/14$910

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 April 15, 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

Fri 5/2

1:30 pm-12:15 pm

2 stops15h 45m

Oslo Gardermoen

Fri 5/16

6:35 am-7:58 pm

2 stops20h 23m

$632

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/20

7:30 am-1:05 pm

2 stops22h 35m

Oslo Gardermoen

Wed 6/4

6:50 am-1:30 pm

1 stop13h 40m

$653

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 5/2

3:30 pm-12:15 pm

1 stop13h 45m

Oslo Gardermoen

Fri 5/16

6:35 am-11:46 pm

2 stops24h 11m

$667

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/20

7:30 am-10:10 pm

2 stops31h 40m

Oslo Gardermoen

Wed 6/4

6:45 am-9:25 pm

3 stops21h 40m

$748

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 6/25

1:30 pm-12:55 pm

2 stops16h 25m

Oslo Gardermoen

Wed 7/9

6:00 am-11:39 pm

2 stops24h 39m

$910

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 6/29

5:23 pm-4:40 pm

2 stops16h 17m

Oslo Gardermoen

Mon 7/21

6:05 am-8:30 pm

2 stops21h 25m

$995

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 6/22

1:30 pm-10:30 pm

2 stops26h 00m

Oslo Gardermoen

Mon 7/7

6:05 am-6:03 pm

2 stops18h 58m

$996

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 6/23

7:30 am-6:05 pm

2 stops27h 35m

$717

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 6/23

5:00 am-5:15 pm

2 stops29h 15m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Oslo Gardermoen Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $1,101). 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 April 15, 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.

Rainfall in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo Gardermoen Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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 April 15, 2025.
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,127 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Air Canada, at $632, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include Lufthansa and United Airlines. 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 $1,101). 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$582Average$894FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$593Average$961FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$594Average$1,088FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$594Average$991FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$659Average$1,447FlexibilityNo cancel feeOn-time67%
DeltaCheapest$693Average$1,078FlexibilityNo cancel feeOn-timeN/A

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