HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$498+ 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
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Oslo Gardermoen with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$719
(oojo)

One-way from

$498
(Lufthansa)

Popular in

December

Cheapest in

January

Average price

$649
Provider with most accurate pricing for Lambert-St Louis-Oslo Gardermoen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Oslo Gardermoen flights.
Search Deals
From Lambert-St Louis to Oslo Gardermoen
Search Deals
One-way flight from Lambert-St Louis to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 26, 2025.

This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:40 pmSTL - OSL
2 stops19h 35mBritish Airways
Sun 9/148:35 amOSL - STL
2 stops20h 52mBritish Airways
Deal found 3/25$719
This Delta deal was found by Cheapflights users on 3/25. 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 5/262:15 pmSTL - OSL
2 stops19h 25mDelta
Mon 6/96:30 amOSL - STL
2 stops17h 37mDelta
Deal found 3/25$815
This KAYAK deal was found by Cheapflights users on 3/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:30 pmSTL - OSL
2 stops23h 20mLufthansa
Sun 9/286:50 amOSL - STL
1 stop13h 40mLufthansa
Deal found 3/25$883
This Aeromexico deal was found by Cheapflights users on 3/25. 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.
Sun 8/103:30 pmSTL - OSL
2 stops24h 50mAir France
Sat 8/168:25 amOSL - STL
2 stops40h 38mAir France
Deal found 3/25$928
This FlightHub deal was found by Cheapflights users on 3/25. 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 5/207:30 amSTL - OSL
2 stops22h 35mMultiple Airlines
Wed 6/46:50 amOSL - STL
1 stop13h 40mMultiple Airlines
Deal found 3/25$949
This Scandinavian Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 9/103:30 pmSTL - OSL
2 stops23h 40mScandinavian Airlines
Sun 9/1410:40 pmOSL - STL
3 stops29h 07mScandinavian Airlines
Deal found 3/25$984
This United deal was found by Cheapflights users on 3/25. 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.
Fri 9/123:30 pmSTL - OSL
1 stop17h 10mUnited Airlines
Sun 9/286:50 amOSL - STL
2 stops15h 26mUnited Airlines
Deal found 3/25$1,091

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 March 26, 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

Wed 9/10

4:40 pm-7:15 pm

2 stops19h 35m

Oslo Gardermoen

Sun 9/14

8:35 am-10:27 pm

2 stops20h 52m

$719

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 5/26

2:15 pm-4:40 pm

2 stops19h 25m

Oslo Gardermoen

Mon 6/9

6:30 am-5:07 pm

2 stops17h 37m

$815

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 9/12

5:30 pm-11:50 pm

2 stops23h 20m

Oslo Gardermoen

Sun 9/28

6:50 am-1:30 pm

1 stop13h 40m

$883

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/10

3:30 pm-11:20 pm

2 stops24h 50m

Oslo Gardermoen

Sat 8/16

8:25 am-6:03 pm

2 stops40h 38m

$928

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

$949

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 9/10

3:30 pm-10:10 pm

2 stops23h 40m

Oslo Gardermoen

Sun 9/14

10:40 pm-8:47 pm

3 stops29h 07m

$984

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 9/12

3:30 pm-3:40 pm

1 stop17h 10m

Oslo Gardermoen

Sun 9/28

6:50 am-3:16 pm

2 stops15h 26m

$1,091

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 9/17

3:30 pm-6:00 pm

1 stop19h 30m

$498

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 9/17

6:35 am-10:50 am

2 stops21h 15m

$500

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 9/17

4:40 pm-7:15 pm

2 stops19h 35m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 11 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice 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 $1,110). 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 March 26, 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 March 26, 2025.
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
7.4
Good
1,423 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
1,325 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
Lufthansa
6.7
Okay
6,950 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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. 7 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?

    British Airways, at $719, was found to be the cheapest airline from St. Louis to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include Delta and Lufthansa. These flights start at 27% 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 Lufthansa, with whom users have recently found tickets for as low as $498. However, be on the lookout for offers from United Airlines and British Airways, 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 $1,110). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 7 airlines flying from St. Louis to Oslo Gardermoen

Discover the top 7 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$593Average$961FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$594Average$1,090FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$610Average$1,266FlexibilityNo cancel feeOn-time70%
KLMCheapest$649Average$1,480FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$659Average$1,447FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$684Average$1,088FlexibilityNo cancel feeOn-time76%
DeltaCheapest$702Average$1,238FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.