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Oslo Gardermoen

$424+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$670
(United Airlines)

One-way from

$424
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,190
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. 7% potential increase in price ($80 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/43:20 pmSTL - OSL
2 stops23h 50mUnited Airlines
Fri 9/56:35 amOSL - STL
1 stop13h 55mUnited Airlines
Deal found 6/11$670
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:37 pmSTL - OSL
2 stops14h 48mKLM
Fri 9/56:30 amOSL - STL
2 stops17h 15mKLM
Deal found 6/10$673
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/231:29 pmSTL - OSL
2 stops15h 46mDelta
Wed 7/306:05 amOSL - STL
2 stops19h 42mDelta
Deal found 6/11$854
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2311:24 amSTL - OSL
2 stops29h 31mMultiple Airlines
Wed 7/3010:45 amOSL - STL
3 stops30h 07mMultiple Airlines
Deal found 6/10$1,065
This Gurufare deal was found by Cheapflights users on 6/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/195:30 pmSTL - OSL
2 stops34h 20mLufthansa
Sun 7/276:50 amOSL - STL
1 stop13h 40mLufthansa
Deal found 6/12$1,390
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 6/131:30 pmSTL - OSL
2 stops19h 30mScandinavian Airlines
Fri 7/46:00 amOSL - STL
2 stops24h 36mScandinavian Airlines
Deal found 6/10$1,397

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 June 12, 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 8/4

3:20 pm-10:10 pm

2 stops23h 50m

Oslo Gardermoen

Fri 9/5

6:35 am-1:30 pm

1 stop13h 55m

$670

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/4

5:37 pm-3:25 pm

2 stops14h 48m

Oslo Gardermoen

Fri 9/5

6:30 am-4:45 pm

2 stops17h 15m

$673

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 7/23

1:29 pm-12:15 pm

2 stops15h 46m

Oslo Gardermoen

Wed 7/30

6:05 am-6:47 pm

2 stops19h 42m

$854

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 7/23

11:24 am-11:55 pm

2 stops29h 31m

Oslo Gardermoen

Wed 7/30

10:45 am-9:52 am

3 stops30h 07m

$1,065

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 7/19

5:30 pm-10:50 am

2 stops34h 20m

Oslo Gardermoen

Sun 7/27

6:50 am-1:30 pm

1 stop13h 40m

$1,390

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 7/19

3:41 pm-12:55 pm

2 stops14h 14m

Oslo Gardermoen

Sun 7/27

6:40 am-11:53 pm

3 stops24h 13m

$2,538

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 8/28

6:30 pm-12:35 pm

2 stops35h 05m

$424

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 9/17

3:20 pm-6:00 pm

2 stops19h 40m

$476

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 11/28

6:43 pm-5:45 pm

2 stops16h 02m

$497

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 6/23

1:24 pm-11:30 pm

2 stops27h 06m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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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 $1,004). 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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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!
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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. 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?

    United Airlines, at $670, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include KLM and Delta. These flights start at 29% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Oslo Gardermoen Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $476. However, be on the lookout for offers from Lufthansa and Iberia, as they are both options that can get you from St. Louis to Oslo Gardermoen Airport for a low price.

  • 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 $1,004). 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
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$586Average$903FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$593Average$959FlexibilityNo cancel feeOn-time69%
KLMCheapest$649Average$801FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$659Average$1,789FlexibilityNo cancel feeOn-time67%
DeltaCheapest$693Average$1,025FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$765Average$961FlexibilityNo cancel feeOn-time76%

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