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Oslo

$375+ Cheap flights from St. Louis (STL) to Oslo

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSL
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find flight deals from St. Louis to Oslo

Cheapest flights from St. Louis to Oslo
Explore the most affordable flight options available from St. Louis to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Orbitz deal was found by Cheapflights users on 11/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:05 pmSTL - OSL
2 stops57h 35mMultiple Airlines
Fri 1/98:50 pmOSL - STL
2 stops30h 01mMultiple Airlines
Deal found 11/20$1,067
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:50 pmSTL - OSL
1 stop14h 15mLufthansa
Fri 1/96:15 amOSL - STL
1 stop14h 40mLufthansa
Deal found 11/20$1,206
This Ovago deal was found by Cheapflights users on 11/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:35 pmSTL - OSL
2 stops16h 05mLufthansa
Sat 12/271:50 pmOSL - STL
1 stop31h 05mLufthansa
Deal found 11/19$1,275
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Sun 12/214:05 pmSTL - OSL
2 stops17h 45mMultiple Airlines
Sat 12/277:50 amOSL - STL
3 stops34h 06mMultiple Airlines
Deal found 11/19$2,139
This Travelocity deal was found by Cheapflights users on 11/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:05 pmSTL - OSL
2 stops34h 45mMultiple Airlines
Wed 11/2610:40 amOSL - STL
2 stops35h 49mMultiple Airlines
Deal found 11/19$8,116

Cheap flight deals from St. Louis to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Oslo (OS1). 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 November 21, 2025.

Round-trip from

$452
(Kiwi.com)

One-way from

$375
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$1,480
From Lambert-St Louis to Oslo
Search Deals
One-way flight from Lambert-St Louis to Oslo
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($148 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 November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Oslo 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 November 21, 2025.
Use the filters below to find and compare flights from St. Louis to Oslo that are best for you.

Fly from

St. Louis

Fly to

Oslo

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/9

6:40 pm-5:40 pm

2 stops16h 00m

Oslo Gardermoen

Fri 1/23

6:15 am-1:55 pm

1 stop14h 40m

$461

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/9

6:40 pm-5:40 pm

2 stops16h 00m

Oslo Gardermoen

Fri 1/23

9:35 am-3:29 pm

2 stops36h 54m

$472

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/9

2:54 pm-10:10 pm

2 stops24h 16m

Oslo Gardermoen

Fri 1/23

8:15 am-7:29 pm

2 stops18h 14m

$506

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/6

9:59 am-1:50 pm

2 stops20h 51m

Oslo Gardermoen

Tue 2/10

6:30 am-8:37 pm

2 stops21h 07m

$516

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

8:30 am-5:10 pm

2 stops25h 40m

Oslo Gardermoen

Sun 2/22

9:35 am-10:59 pm

2 stops20h 24m

$524

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Fri 1/9

3:50 pm-3:55 pm

2 stops17h 05m

Oslo Sandefjord

Fri 1/23

9:20 pm-1:55 pm

2 stops47h 35m

$541

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

4:05 pm-1:05 pm

2 stops38h 00m

Oslo Gardermoen

Sun 2/22

6:25 pm-10:59 pm

2 stops35h 34m

$550

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 1/4

6:35 pm-5:30 pm

2 stops15h 55m

Oslo Gardermoen

Sun 1/11

11:50 am-10:13 am

2 stops53h 23m

$746

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 3/13

2:21 pm-5:30 pm

2 stops21h 09m

Oslo Gardermoen

Fri 3/20

11:45 am-8:58 am

2 stops27h 13m

$1,037

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 1/15

5:11 pm-12:10 pm

3 stops59h 59m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 17 results
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Best time to book a flight from St. Louis to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo 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

What is the cheapest month to book a flight from St. Louis to Oslo?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Oslo (average of $564). Flying from St. Louis to Oslo in June is currently the most expensive (average of $946). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Oslo at noon. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the evening.

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

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. 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. Reviews last updated November 21, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,031 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,464 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,579 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    If you book a flight to Oslo from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Oslo per day from 5 different airlines.

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

    Airlines like Lufthansa, British Airways, and Delta fly from St. Louis to Oslo in about 16h. The time it takes to get you to your destination can typically vary by up to 8h 16m. The distance from St. Louis to Oslo is about 4296 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Oslo round-trip?

    Lufthansa, at $581, was found to be the cheapest airline from St. Louis to Oslo.Alternate airlines to your destination round-trip include American Airlines and Delta. Lufthansa is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $385 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $423 and $465, respectively.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from St. Louis to Oslo 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?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Oslo (average of $564). Flying from St. Louis to Oslo in June is currently the most expensive (average of $946). 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

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Alternative routes for St. Louis to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Oslo Gardermoen flights
Kansas City to Oslo Gardermoen flights
St. Louis to Bergen flights
Kansas City to Bergen flights
Kansas City to Sandefjord flights

Top 5 airlines flying from St. Louis to Oslo

Discover the top 5 airlines that operate flights from St. Louis to Oslo. 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$581Average$873FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$586Average$891FlexibilityNo cancel feeOn-time71%
DeltaCheapest$625Average$884FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$657Average$1,221FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$674Average$933FlexibilityNo cancel feeOn-time69%

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