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Cheap flights from St. Louis to Oslo from $591

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Oslo departing on 5/5. 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.
British Airways Logo
9:35 pm - 4:25 pm
STL
-
OSL
11h 50m
1 stop
British Airways Logo
11:35 am - 7:30 pm
OSL
-
STL
14h 55m
1 stop
$591British Airways
Tue, May 5 - Wed, May 13
United Airlines Logo
7:30 am - 12:15 am
STL
-
OSL
33h 45m
2 stops
United Airlines Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$650United Airlines
Wed, May 20 - Wed, Jun 3
United Airlines Logo
7:30 am - 12:15 am
STL
-
OSL
33h 45m
2 stops
United Airlines Logo
6:35 am - 8:05 pm
OSL
-
STL
20h 30m
2 stops
$653United Airlines
Wed, May 20 - Wed, Jun 3
United Airlines Logo
7:30 am - 5:55 pm
STL
-
OSL
27h 25m
2 stops
United Airlines Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$687United Airlines
Thu, May 14 - Wed, May 27
United Airlines Logo
7:30 am - 5:55 pm
STL
-
OSL
27h 25m
2 stops
United Airlines Logo
6:35 am - 8:05 pm
OSL
-
STL
20h 30m
2 stops
$690United Airlines
Thu, May 14 - Wed, May 27
Scandinavian Airlines Logo
10:14 am - 8:40 am
STL
-
OSL
15h 26m
2 stops
Scandinavian Airlines Logo
6:30 am - 9:06 pm
OSL
-
STL
20h 36m
2 stops
$697Scandinavian Airlines
Sat, Mar 7 - Wed, Mar 11
American Airlines Logo
4:30 pm - 4:35 pm
STL
-
OSL
17h 05m
2 stops
American Airlines Logo
12:50 pm - 11:42 pm
OSL
-
STL
17h 52m
2 stops
$705American Airlines
Thu, May 14 - Wed, May 27
Multiple Airlines Logo
1:00 pm - 5:55 pm
STL
-
OSL
21h 55m
2 stops
Multiple Airlines Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$723Multiple Airlines
Thu, May 14 - Wed, May 27
Lufthansa Logo
7:00 pm - 1:05 pm
STL
-
OSL
35h 05m
2 stops
Lufthansa Logo
6:05 am - 2:55 pm
OSL
-
STL
14h 50m
1 stop
$905Lufthansa
Sat, Mar 7 - Wed, Mar 11
Scandinavian Airlines Logo
3:42 pm - 4:35 pm
STL
-
OSL
17h 53m
2 stops
Scandinavian Airlines Logo
9:00 pm - 11:38 pm
OSL
-
STL
33h 38m
2 stops
$963Scandinavian Airlines
Fri, Jun 26 - Wed, Jul 15

British Airways flights from St. Louis to Oslo

Our best British Airways deals on St. Louis to Oslo flight tickets
British Airways
May 5
STL9:35 pmLambert-St Louis
11h 50m
1 stop
OSL4:25 pmOslo Gardermoen
May 13
OSL11:35 amOslo Gardermoen
14h 55m
1 stop
STL7:30 pmLambert-St Louis
$591
British Airways
Jun 26
STL9:35 pmLambert-St Louis
17h 45m
1 stop
OSL10:20 pmOslo Gardermoen
Jul 15
OSL7:45 amOslo Gardermoen
18h 45m
1 stop
STL7:30 pmLambert-St Louis
$986
British Airways
Jun 26
STL9:35 pmLambert-St Louis
17h 45m
1 stop
OSL10:20 pmOslo Gardermoen
Jul 15
OSL7:45 amOslo Gardermoen
18h 45m
1 stop
STL7:30 pmLambert-St Louis
$987

Scandinavian Airlines flights from St. Louis to Oslo

Our best Scandinavian Airlines deals on St. Louis to Oslo flight tickets
Scandinavian Airlines
Mar 7
STL10:14 amLambert-St Louis
15h 26m
2 stops
OSL8:40 amOslo Gardermoen
Mar 11
OSL6:30 amOslo Gardermoen
20h 36m
2 stops
STL9:06 pmLambert-St Louis
$697
Scandinavian Airlines
Jun 26
STL3:42 pmLambert-St Louis
17h 53m
2 stops
OSL4:35 pmOslo Gardermoen
Jul 15
OSL9:00 pmOslo Gardermoen
33h 38m
2 stops
STL11:38 pmLambert-St Louis
$963
Scandinavian Airlines
Jun 26
STL1:30 pmLambert-St Louis
20h 05m
2 stops
OSL4:35 pmOslo Gardermoen
Jul 15
OSL9:00 pmOslo Gardermoen
33h 38m
2 stops
STL11:38 pmLambert-St Louis
$964

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 February 4, 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

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/5

9:35 pm-4:25 pm

1 stop11h 50m

Oslo Gardermoen

Wed 5/13

11:35 am-7:30 pm

1 stop14h 55m

$591

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 5/20

7:30 am-12:15 am

2 stops33h 45m

Oslo Gardermoen

Wed 6/3

6:35 am-1:25 pm

1 stop13h 50m

$650

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 5/20

7:30 am-12:15 am

2 stops33h 45m

Oslo Gardermoen

Wed 6/3

6:35 am-8:05 pm

2 stops20h 30m

$653

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

7:30 am-5:55 pm

2 stops27h 25m

Oslo Gardermoen

Wed 5/27

6:35 am-1:25 pm

1 stop13h 50m

$687

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

7:30 am-5:55 pm

2 stops27h 25m

Oslo Gardermoen

Wed 5/27

6:35 am-8:05 pm

2 stops20h 30m

$690

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 3/7

10:14 am-8:40 am

2 stops15h 26m

Oslo Gardermoen

Wed 3/11

6:30 am-9:06 pm

2 stops20h 36m

$697

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

4:30 pm-4:35 pm

2 stops17h 05m

Oslo Gardermoen

Wed 5/27

12:50 pm-11:42 pm

2 stops17h 52m

$705

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

1:00 pm-5:55 pm

2 stops21h 55m

Oslo Gardermoen

Wed 5/27

6:35 am-1:25 pm

1 stop13h 50m

$723

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 3/7

7:00 pm-1:05 pm

2 stops35h 05m

Oslo Gardermoen

Wed 3/11

6:05 am-2:55 pm

1 stop14h 50m

$905

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 6/26

3:42 pm-4:35 pm

2 stops17h 53m

Oslo Gardermoen

Wed 7/15

9:00 pm-11:38 pm

2 stops33h 38m

$963

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $649.

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

11h 50m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 11h 50m
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 11h 50m.

  • 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
9,236 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
DeltaPriceFrom $625Free CancellationRating
7.9
8,139 reviews
Search Delta flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,712 reviews
Search British Airways 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