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$520+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — STL
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
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 June 19, 2026.

This Delta deal was found by Cheapflights users on 6/16. 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 10/266:15 am
OSL
-
STL
2 stops23h 03m
Delta
Sun 11/82:18 pm
STL
-
OSL
2 stops18h 52m
Delta
Deal found 6/16$637
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 7/26:30 am
OSL
-
STL
2 stops17h 53m
Delta
Mon 7/66:10 pm
STL
-
OSL
2 stops15h 30m
Delta
Deal found 6/16$643
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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.
Mon 10/269:35 am
OSL
-
STL
2 stops19h 19m
Lufthansa
Sun 11/83:40 pm
STL
-
OSL
1 stop14h 25m
Lufthansa
Deal found 6/16$691
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Sat 8/86:15 am
OSL
-
STL
2 stops24h 14m
Lufthansa
Thu 8/2012:59 pm
STL
-
OSL
2 stops14h 56m
Lufthansa
Deal found 6/17$723
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/156:45 am
OSL
-
STL
2 stops32h 54m
United Airlines
Wed 7/225:59 pm
STL
-
OSL
2 stops40h 16m
United Airlines
Deal found 6/17$753
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:25 am
OSL
-
STL
2 stops24h 19m
Lufthansa
Fri 8/71:13 pm
STL
-
OSL
2 stops27h 42m
Lufthansa
Deal found 6/16$823
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/316:25 am
OSL
-
STL
2 stops24h 19m
United Airlines
Fri 8/73:30 pm
STL
-
OSL
1 stop34h 35m
United Airlines
Deal found 6/16$824
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sun 6/281:05 pm
OSL
-
STL
1 stop31h 20m
United Airlines
Mon 8/105:59 pm
STL
-
OSL
2 stops21h 06m
United Airlines
Deal found 6/16$845
This Lufthansa deal was found by Cheapflights users on 6/16. 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.
Sun 6/286:55 pm
OSL
-
STL
1 stop25h 30m
Lufthansa
Mon 8/103:30 pm
STL
-
OSL
1 stop25h 45m
Lufthansa
Deal found 6/16$855

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 June 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$637
(Delta)

One-way from

$520
(American Airlines)

Popular in

May

Cheapest in

June

Average price

$534
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. 17% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 19, 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

Mon 10/26

6:15 am-11:18 pm

2 stops23h 03m

Lambert-St Louis

Sun 11/8

2:18 pm-4:10 pm

2 stops18h 52m

$637
Quickest round-trip

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Thu 7/2

6:30 am-5:23 pm

2 stops17h 53m

Lambert-St Louis

Mon 7/6

6:10 pm-4:40 pm

2 stops15h 30m

$643

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Sat 8/8

6:15 am-11:29 pm

2 stops24h 14m

Lambert-St Louis

Thu 8/20

12:59 pm-10:55 am

2 stops14h 56m

$723

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Wed 7/15

6:45 am-8:39 am

2 stops32h 54m

Lambert-St Louis

Wed 7/22

5:59 pm-5:15 pm

2 stops40h 16m

$753

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Fri 7/31

6:25 am-11:44 pm

2 stops24h 19m

Lambert-St Louis

Fri 8/7

3:30 pm-9:05 am

1 stop34h 35m

$824

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Wed 7/15

6:35 am-1:25 pm

1 stop13h 50m

Lambert-St Louis

Wed 7/22

3:30 pm-12:15 am

1 stop25h 45m

$845

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Fri 7/31

6:25 am-1:25 pm

1 stop14h 00m

Lambert-St Louis

Fri 8/7

3:30 pm-11:55 pm

1 stop25h 25m

$885

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Thu 7/2

6:45 am-8:39 am

2 stops32h 54m

Lambert-St Louis

Mon 7/6

3:30 pm-12:15 am

1 stop25h 45m

$896

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Sat 8/8

9:55 am-1:25 pm

1 stop34h 30m

Lambert-St Louis

Thu 8/20

12:10 pm-12:20 pm

2 stops17h 10m

$911
Cheapest one-way
Quickest one-way

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Thu 8/20

7:45 am-10:40 pm

2 stops21h 55m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 12 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 June.
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?

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 19h 19m. Delta provides one of the quickest options available for as low as $691. 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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