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Cheap flights from St. Louis to Oslo from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Oslo departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
5:21 pm - 7:45 pm
STL
-
OSL
19h 24m
2 stops
Finnair Logo
8:35 am - 10:19 pm
OSL
-
STL
20h 44m
2 stops
$672Finnair
Sun, Apr 26 - Tue, May 12
British Airways Logo
9:45 am - 11:30 pm
STL
-
OSL
30h 45m
2 stops
British Airways Logo
8:15 am - 7:14 pm
OSL
-
STL
17h 59m
2 stops
$678British Airways
Sat, Aug 22 - Sat, Aug 29
British Airways Logo
9:40 pm - 11:40 pm
STL
-
OSL
19h 00m
1 stop
British Airways Logo
7:30 pm - 7:30 pm
OSL
-
STL
31h 00m
1 stop
$694British Airways
Sun, Apr 26 - Tue, May 12
American Airlines Logo
9:35 pm - 10:55 am
STL
-
OSL
30h 20m
1 stop
American Airlines Logo
12:50 pm - 10:17 pm
OSL
-
STL
16h 27m
2 stops
$696American Airlines
Wed, Apr 29 - Wed, May 6
American Airlines Logo
12:27 pm - 10:45 am
STL
-
OSL
15h 18m
2 stops
American Airlines Logo
12:50 pm - 10:17 pm
OSL
-
STL
16h 27m
2 stops
$699American Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
7:09 pm - 12:05 am
STL
-
OSL
21h 56m
2 stops
Multiple Airlines Logo
1:10 pm - 8:04 pm
OSL
-
STL
37h 54m
2 stops
$721Multiple Airlines
Sun, May 3 - Tue, May 19
Finnair Logo
5:21 pm - 4:35 pm
STL
-
OSL
16h 14m
2 stops
Finnair Logo
8:30 pm - 7:30 pm
OSL
-
STL
30h 00m
2 stops
$722Finnair
Mon, Apr 27 - Mon, May 4
British Airways Logo
9:40 pm - 11:40 pm
STL
-
OSL
19h 00m
1 stop
British Airways Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$734British Airways
Sun, May 3 - Tue, May 19
Lufthansa Logo
7:09 pm - 6:25 pm
STL
-
OSL
16h 16m
2 stops
Lufthansa Logo
5:05 pm - 1:25 pm
OSL
-
STL
27h 20m
1 stop
$739Lufthansa
Sun, May 3 - Tue, May 19
British Airways Logo
5:21 pm - 4:20 pm
STL
-
OSL
15h 59m
2 stops
British Airways Logo
7:50 am - 4:41 pm
OSL
-
STL
15h 51m
2 stops
$767British Airways
Fri, May 1 - Fri, May 8

British Airways flights from St. Louis to Oslo

Our best British Airways deals on St. Louis to Oslo flight tickets
British Airways
Aug 22
STL9:45 amLambert-St Louis
30h 45m
2 stops
OSL11:30 pmOslo Gardermoen
Aug 29
OSL8:15 amOslo Gardermoen
17h 59m
2 stops
STL7:14 pmLambert-St Louis
$678
British Airways
Apr 26
STL9:40 pmLambert-St Louis
19h 00m
1 stop
OSL11:40 pmOslo Gardermoen
May 12
OSL7:30 pmOslo Gardermoen
31h 00m
1 stop
STL7:30 pmLambert-St Louis
$694
British Airways
May 3
STL9:40 pmLambert-St Louis
19h 00m
1 stop
OSL11:40 pmOslo Gardermoen
May 19
OSL7:45 amOslo Gardermoen
18h 45m
1 stop
STL7:30 pmLambert-St Louis
$734

American Airlines flights from St. Louis to Oslo

Our best American Airlines deals on St. Louis to Oslo flight tickets
American Airlines
Apr 29
STL9:35 pmLambert-St Louis
30h 20m
1 stop
OSL10:55 amOslo Gardermoen
May 6
OSL12:50 pmOslo Gardermoen
16h 27m
2 stops
STL10:17 pmLambert-St Louis
$696
American Airlines
Apr 29
STL12:27 pmLambert-St Louis
15h 18m
2 stops
OSL10:45 amOslo Gardermoen
May 6
OSL12:50 pmOslo Gardermoen
16h 27m
2 stops
STL10:17 pmLambert-St Louis
$699

momondo 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, momondo users made 832,500 searches. Data last updated March 18, 2026.
Use the filters below to find and compare flights from St. Louis to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 4/26

5:21 pm-7:45 pm

2 stops19h 24m

Oslo Gardermoen

Tue 5/12

8:35 am-10:19 pm

2 stops20h 44m

$672

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 8/22

9:45 am-11:30 pm

2 stops30h 45m

Oslo Gardermoen

Sat 8/29

8:15 am-7:14 pm

2 stops17h 59m

$678

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 4/26

9:40 pm-11:40 pm

1 stop19h 00m

Oslo Gardermoen

Tue 5/12

7:30 pm-7:30 pm

1 stop31h 00m

$694

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 4/29

9:35 pm-10:55 am

1 stop30h 20m

Oslo Gardermoen

Wed 5/6

12:50 pm-10:17 pm

2 stops16h 27m

$696
Quickest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 4/29

12:27 pm-10:45 am

2 stops15h 18m

Oslo Gardermoen

Wed 5/6

12:50 pm-10:17 pm

2 stops16h 27m

$699

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

7:09 pm-12:05 am

2 stops21h 56m

Oslo Gardermoen

Tue 5/19

1:10 pm-8:04 pm

2 stops37h 54m

$721

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 4/27

5:21 pm-4:35 pm

2 stops16h 14m

Oslo Gardermoen

Mon 5/4

8:30 pm-7:30 pm

2 stops30h 00m

$722

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

9:40 pm-11:40 pm

1 stop19h 00m

Oslo Gardermoen

Tue 5/19

7:45 am-7:30 pm

1 stop18h 45m

$734

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

7:09 pm-6:25 pm

2 stops16h 16m

Oslo Gardermoen

Tue 5/19

5:05 pm-1:25 pm

1 stop27h 20m

$739

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 5/1

5:21 pm-4:20 pm

2 stops15h 59m

Oslo Gardermoen

Fri 5/8

7:50 am-4:41 pm

2 stops15h 51m

$767

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Oslo from

How to get the cheapest flight ticket from St. Louis to Oslo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Oslo?

What is the cheapest month to fly to Oslo?

The month of November is, on average, the cheapest month to fly to Oslo from St. Louis, with most prices found around $617. If you’re not able to fly to Oslo in November, then March is your next best option. Flight prices from St. Louis to Oslo during March average around $636.

Cheap St. Louis to Oslo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Oslo

Fastest flight time

17h 15m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 17h 15m
There are no direct flights from St. Louis to Oslo. There are no popular flight routes from St. Louis to Oslo.
Search flight deals

  • How far is Lambert-St Louis to Oslo by plane?

    Oslo is 4297.5 mi away from Lambert-St Louis. In terms of flight time, this usually takes a little over 17h 15m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Oslo?

    Prices for flights from Lambert-St Louis Airport to Oslo are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Oslo?

  • How old do you have to be to fly from Lambert-St Louis Airport to Oslo?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Oslo.

  • What documentation or ID do you need to fly to Oslo?

    The travel and health documents you'll need for your trip to Oslo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Oslo

Compare and see reviews for airlines that fly from St. Louis to Oslo with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,435 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,858 reviews
Search Lufthansa flights
DeltaPriceFrom $625Free CancellationRating
7.9
8,288 reviews
Search Delta flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,799 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.8
1,471 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Oslo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from St. Louis.

Can I find flights from St. Louis to Oslo with flexible booking policies on momondo?

Yes. All flights to Oslo from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Oslo?

Once all potential St. Louis to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Oslo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Oslo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo
Oslo Gardermoen Airport
Oslo Sandefjord Airport