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$519+ Cheap flights from Oslo Gardermoen (OSL) to St. Louis (STL)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$519
(Ticket)

Popular in

June

Cheapest in

March

Average price

$568
Provider with most accurate pricing for Oslo Gardermoen-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Oslo Gardermoen-Lambert-St Louis flights.
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From Oslo Gardermoen to Lambert-St Louis
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Highest demand for flights based on searches. 12% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Ticket deal was found by Cheapflights users on 10/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:30 amOSL - STL
2 stops17h 03mKLM
Tue 11/1811:39 amSTL - OSL
2 stops14h 01mKLM
Deal found 10/30$519
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/39:35 amOSL - STL
2 stops31h 32mUnited Airlines
Mon 11/103:14 pmSTL - OSL
2 stops19h 26mUnited Airlines
Deal found 10/30$680
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Mon 11/37:20 amOSL - STL
2 stops20h 40mBritish Airways
Wed 11/52:52 pmSTL - OSL
2 stops37h 03mBritish Airways
Deal found 10/30$906
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Mon 11/36:15 amOSL - STL
2 stops40h 14mMultiple Airlines
Mon 11/1012:31 pmSTL - OSL
3 stops19h 49mMultiple Airlines
Deal found 10/30$1,034
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:10 pmOSL - STL
3 stops33h 19mMultiple Airlines
Tue 11/184:05 pmSTL - OSL
3 stops23h 00mMultiple Airlines
Deal found 10/30$1,303
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:20 amOSL - STL
2 stops23h 36mMultiple Airlines
Wed 11/53:50 pmSTL - OSL
1 stop16h 30mMultiple Airlines
Deal found 10/30$1,321

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 October 30, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to St. Louis that are best for you.

Fly from

Oslo Gardermoen

Fly to

St. Louis

Route

Depart

Return

Price

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Thu 2/26

7:05 am-7:30 pm

2 stops19h 25m

Lambert-St Louis

Mon 3/2

6:59 pm-10:40 pm

2 stops20h 41m

$519

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Fri 11/14

6:30 am-4:33 pm

2 stops17h 03m

Lambert-St Louis

Tue 11/18

11:39 am-8:40 am

2 stops14h 01m

$519

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Fri 11/14

1:10 pm-3:29 pm

3 stops33h 19m

Lambert-St Louis

Tue 11/18

4:05 pm-10:05 pm

3 stops23h 00m

$1,303

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 17h 03m. American Airlines provides one of the quickest options available for as low as $519. 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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