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Cheap flights from St. Louis to Oslo from $422

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 6/11. 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.
Multiple Airlines Logo
2:15 pm - 12:15 pm
STL
-
OSL
15h 00m
2 stops
Multiple Airlines Logo
6:25 am - 8:25 pm
OSL
-
STL
21h 00m
2 stops
$874Multiple Airlines
Tue, May 5 - Sun, May 10
Delta Logo
5:35 pm - 6:30 pm
STL
-
OSL
17h 55m
2 stops
Delta Logo
6:30 am - 4:15 pm
OSL
-
STL
16h 45m
2 stops
$888Delta
Sat, May 2 - Fri, May 8
Delta Logo
12:23 pm - 8:45 am
STL
-
OSL
13h 22m
2 stops
Delta Logo
6:30 am - 9:38 pm
OSL
-
STL
22h 08m
2 stops
$912Delta
Sun, May 3 - Sat, May 23
Delta Logo
12:23 pm - 8:45 am
STL
-
OSL
13h 22m
2 stops
Delta Logo
6:30 am - 5:16 pm
OSL
-
STL
17h 46m
2 stops
$913Delta
Sun, May 3 - Sat, May 23
British Airways Logo
9:40 pm - 10:30 am
STL
-
OSL
29h 50m
1 stop
British Airways Logo
8:15 am - 9:42 pm
OSL
-
STL
20h 27m
2 stops
$945British Airways
Sun, May 3 - Sat, May 23
Lufthansa Logo
5:24 pm - 10:55 am
STL
-
OSL
34h 31m
2 stops
Lufthansa Logo
6:25 am - 1:25 pm
OSL
-
STL
14h 00m
1 stop
$947Lufthansa
Sat, May 2 - Fri, May 8
British Airways Logo
9:35 pm - 11:20 pm
STL
-
OSL
18h 45m
1 stop
British Airways Logo
8:35 am - 10:19 pm
OSL
-
STL
20h 44m
2 stops
$949British Airways
Tue, May 5 - Sun, May 10
American Airlines Logo
5:21 pm - 4:35 pm
STL
-
OSL
16h 14m
2 stops
American Airlines Logo
12:50 pm - 11:54 pm
OSL
-
STL
18h 04m
2 stops
$954American Airlines
Thu, May 14 - Wed, May 27
British Airways Logo
9:35 pm - 11:20 pm
STL
-
OSL
18h 45m
1 stop
British Airways Logo
8:00 am - 7:30 pm
OSL
-
STL
18h 30m
1 stop
$982British Airways
Tue, May 5 - Sun, May 10
United Airlines Logo
7:05 am - 12:20 am
STL
-
OSL
34h 15m
2 stops
United Airlines Logo
6:35 am - 6:13 pm
OSL
-
STL
18h 38m
2 stops
$1,001United Airlines
Thu, May 14 - Wed, May 27

Delta flights from St. Louis to Oslo

Our best Delta deals on St. Louis to Oslo flight tickets
Delta
May 2
STL5:35 pmLambert-St Louis
17h 55m
2 stops
OSL6:30 pmOslo Gardermoen
May 8
OSL6:30 amOslo Gardermoen
16h 45m
2 stops
STL4:15 pmLambert-St Louis
$888
Delta
May 3
STL12:23 pmLambert-St Louis
13h 22m
2 stops
OSL8:45 amOslo Gardermoen
May 23
OSL6:30 amOslo Gardermoen
22h 08m
2 stops
STL9:38 pmLambert-St Louis
$912
Delta
May 3
STL12:23 pmLambert-St Louis
13h 22m
2 stops
OSL8:45 amOslo Gardermoen
May 23
OSL6:30 amOslo Gardermoen
17h 46m
2 stops
STL5:16 pmLambert-St Louis
$913

Lufthansa flights from St. Louis to Oslo

Our best Lufthansa deals on St. Louis to Oslo flight tickets
Lufthansa
May 2
STL5:24 pmLambert-St Louis
34h 31m
2 stops
OSL10:55 amOslo Gardermoen
May 8
OSL6:25 amOslo Gardermoen
14h 00m
1 stop
STL1:25 pmLambert-St Louis
$947
Lufthansa
Jun 3
STL8:35 amLambert-St Louis
30h 30m
2 stops
OSL10:05 pmOslo Gardermoen
Jun 10
OSL6:35 amOslo Gardermoen
13h 50m
1 stop
STL1:25 pmLambert-St Louis
$1,136
Lufthansa
Jul 8
STL3:30 pmLambert-St Louis
19h 55m
1 stop
OSL6:25 pmOslo Gardermoen
Jul 15
OSL6:35 amOslo Gardermoen
13h 50m
1 stop
STL1:25 pmLambert-St Louis
$1,308

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 April 20, 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

Tue 5/5

2:15 pm-12:15 pm

2 stops15h 00m

Oslo Gardermoen

Sun 5/10

6:25 am-8:25 pm

2 stops21h 00m

$874

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 5/2

5:35 pm-6:30 pm

2 stops17h 55m

Oslo Gardermoen

Fri 5/8

6:30 am-4:15 pm

2 stops16h 45m

$888

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

12:23 pm-8:45 am

2 stops13h 22m

Oslo Gardermoen

Sat 5/23

6:30 am-9:38 pm

2 stops22h 08m

$912
Quickest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

12:23 pm-8:45 am

2 stops13h 22m

Oslo Gardermoen

Sat 5/23

6:30 am-5:16 pm

2 stops17h 46m

$913

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

9:40 pm-10:30 am

1 stop29h 50m

Oslo Gardermoen

Sat 5/23

8:15 am-9:42 pm

2 stops20h 27m

$945

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 5/2

5:24 pm-10:55 am

2 stops34h 31m

Oslo Gardermoen

Fri 5/8

6:25 am-1:25 pm

1 stop14h 00m

$947

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/5

9:35 pm-11:20 pm

1 stop18h 45m

Oslo Gardermoen

Sun 5/10

8:35 am-10:19 pm

2 stops20h 44m

$949

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

5:21 pm-4:35 pm

2 stops16h 14m

Oslo Gardermoen

Wed 5/27

12:50 pm-11:54 pm

2 stops18h 04m

$954

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/5

9:35 pm-11:20 pm

1 stop18h 45m

Oslo Gardermoen

Sun 5/10

8:00 am-7:30 pm

1 stop18h 30m

$982

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

7:05 am-12:20 am

2 stops34h 15m

Oslo Gardermoen

Wed 5/27

6:35 am-6:13 pm

2 stops18h 38m

$1,001

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

14h 21m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 14h 21m
There are no direct flights from St. Louis to Oslo. There are no popular flight routes from St. Louis to Oslo.
Search flight deals

Frequently asked questions about flying from St. Louis to Oslo

  • 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 14h 21m.

  • 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
9,611 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,935 reviews
Search Lufthansa flights
DeltaPriceFrom $635Free CancellationRating
7.9
8,430 reviews
Search Delta flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,896 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.8
1,501 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