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$567+ Cheap flights from Oslo Gardermoen (OSL) to St. Louis (STL)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — STL
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap flight deals from Oslo Gardermoen to St. Louis

Cheapest flights from Oslo Gardermoen to St. Louis
Explore the most affordable flight options available from Oslo Gardermoen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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.
Wed 9/166:35 am
OSL
-
STL
1 stop13h 50m
Lufthansa
Wed 9/238:40 am
STL
-
OSL
2 stops32h 35m
Lufthansa
Deal found 8/2$698
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 12/36:15 am
OSL
-
STL
2 stops23h 54m
United Airlines
Mon 12/77:04 pm
STL
-
OSL
2 stops15h 36m
United Airlines
Deal found 7/30$718
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/207:45 am
OSL
-
STL
2 stops18h 42m
American Airlines
Wed 5/268:03 pm
STL
-
OSL
2 stops20h 22m
American Airlines
Deal found 7/30$783
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
Thu 8/206:45 am
OSL
-
STL
2 stops23h 14m
Lufthansa
Wed 5/263:30 pm
STL
-
OSL
1 stop17h 20m
Lufthansa
Deal found 7/30$784
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/186:55 am
OSL
-
STL
2 stops32h 44m
United Airlines
Wed 5/263:30 pm
STL
-
OSL
1 stop25h 35m
United Airlines
Deal found 7/30$789
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/197:10 am
OSL
-
STL
2 stops34h 02m
United Airlines
Wed 5/263:30 pm
STL
-
OSL
1 stop25h 35m
United Airlines
Deal found 7/30$801
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/179:55 am
OSL
-
STL
2 stops35h 33m
United Airlines
Wed 5/263:30 pm
STL
-
OSL
1 stop25h 35m
United Airlines
Deal found 7/30$809
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/216:25 am
OSL
-
STL
2 stops24h 13m
United Airlines
Wed 5/263:30 pm
STL
-
OSL
1 stop25h 35m
United Airlines
Deal found 7/30$852
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Sun 8/239:55 am
OSL
-
STL
2 stops39h 47m
Air Canada
Wed 5/261:25 pm
STL
-
OSL
2 stops40h 50m
Air Canada
Deal found 7/30$877

Find flight deals from Oslo Gardermoen to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to St. Louis (STL). 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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$698
(Cheapflightsfares)

One-way from

$567
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$858
Provider with most accurate pricing for Oslo Gardermoen-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oslo Gardermoen-Lambert-St Louis flights.
Search Deals
From Oslo Gardermoen to Lambert-St Louis
Search Deals
One-way flight from Oslo Gardermoen to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen to St. Louis 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 4, 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Wed 9/16

6:35 am-1:25 pm

1 stop13h 50m

Lambert-St Louis

Wed 9/23

8:40 am-12:15 am

2 stops32h 35m

$698

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Thu 12/3

6:15 am-11:09 pm

2 stops23h 54m

Lambert-St Louis

Mon 12/7

7:04 pm-5:40 pm

2 stops15h 36m

$718

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Sun 8/23

6:25 am-6:42 pm

2 stops19h 17m

Lambert-St Louis

Wed 5/26

3:30 pm-12:05 am

1 stop25h 35m

$784

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Sat 8/22

6:15 am-8:39 am

2 stops33h 24m

Lambert-St Louis

Sat 12/19

5:26 pm-5:40 pm

2 stops17h 14m

$1,102

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Sun 8/23

9:55 am-1:25 pm

1 stop34h 30m

Lambert-St Louis

Sat 12/19

5:26 pm-5:40 pm

2 stops17h 14m

$1,117

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Wed 9/16

8:20 pm-6:41 pm

3 stops29h 21m

Lambert-St Louis

Wed 9/23

12:10 pm-5:15 pm

2 stops22h 05m

$1,144

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Tue 8/18

9:55 am-1:25 pm

1 stop34h 30m

Lambert-St Louis

Sat 12/19

5:26 pm-5:40 pm

2 stops17h 14m

$1,363
Quickest round-trip

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Mon 8/17

6:45 am-1:25 pm

1 stop13h 40m

Lambert-St Louis

Sat 12/19

6:50 pm-5:40 pm

2 stops15h 50m

$1,414
Cheapest one-way

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Mon 8/17

7:10 am-11:59 pm

2 stops23h 49m

$931

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Fri 8/21

7:50 am-7:30 pm

1 stop18h 40m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Oslo Gardermoen to St. Louis

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 Oslo Gardermoen to St. Louis in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Oslo Gardermoen Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oslo Gardermoen Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-St. Louis 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 Oslo Gardermoen Airport-St. Louis 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 Oslo Gardermoen to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Oslo Gardermoen 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 Oslo Gardermoen Airport to St. Louis

How much does it cost to fly round-trip from Oslo Gardermoen Airport to St. Louis?

Airfare is below average for this route at the moment.

Oslo Gardermoen Airport to St. Louis flights typically cost between $717 and $883 in September.
The cheapest round-trip price found within the last 5 days was $698 on Lufthansa (Sep 16-Sep 23).

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to St. Louis. 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 into for flights to St. Louis from Oslo Gardermoen?

    For a flight from Oslo Gardermoen to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Oslo Gardermoen per day. 0 airlines have flights to Lambert-St Louis from Oslo Gardermoen on a regular basis.

  • How long is the flight from Oslo Gardermoen Airport to St. Louis?

    A quick flight from Oslo Gardermoen Airport to St. Louis can take about 13h 50m. Lufthansa provides one of the quickest options available for as low as $698. Oslo Gardermoen Airport and St. Louis are separated by a distance of 4296 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Oslo Gardermoen to St. Louis that include hotel bookings?

    Yes. In addition to deals on Oslo Gardermoen to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oslo Gardermoen to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to St. Louis.

  • Can I find deals for business class flights from Oslo Gardermoen to St. Louis?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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