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Cheap flights from St. Louis to Oslo from $517

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
3:30 pm - 6:20 pm
STL
-
OSL
19h 50m
1 stop
Multiple Airlines Logo
7:00 pm - 6:42 pm
OSL
-
STL
30h 42m
2 stops
$790Multiple Airlines
Mon, Aug 10 - Tue, Aug 25
Lufthansa Logo
12:59 pm - 12:15 pm
STL
-
OSL
16h 16m
2 stops
Lufthansa Logo
6:55 am - 1:25 pm
OSL
-
STL
13h 30m
1 stop
$793Lufthansa
Tue, Aug 18 - Tue, Aug 25
KLM Logo
2:10 pm - 11:05 am
STL
-
OSL
13h 55m
2 stops
KLM Logo
11:50 am - 8:42 pm
OSL
-
STL
15h 52m
2 stops
$794KLM
Mon, Aug 10 - Tue, Aug 25
British Airways Logo
9:35 pm - 11:20 pm
STL
-
OSL
18h 45m
1 stop
British Airways Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$795British Airways
Tue, Aug 18 - Tue, Aug 25
Lufthansa Logo
3:30 pm - 6:20 pm
STL
-
OSL
19h 50m
1 stop
Lufthansa Logo
6:55 am - 1:25 pm
OSL
-
STL
13h 30m
1 stop
$798Lufthansa
Mon, Aug 10 - Tue, Aug 25
Lufthansa Logo
12:59 pm - 12:15 pm
STL
-
OSL
16h 16m
2 stops
Lufthansa Logo
6:55 am - 7:11 pm
OSL
-
STL
19h 16m
2 stops
$807Lufthansa
Tue, Aug 18 - Tue, Aug 25
Lufthansa Logo
7:05 pm - 12:15 am
STL
-
OSL
22h 10m
2 stops
Lufthansa Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$808Lufthansa
Mon, Aug 10 - Wed, Aug 26
United Airlines Logo
4:50 pm - 5:15 pm
STL
-
OSL
41h 25m
2 stops
United Airlines Logo
7:10 am - 11:40 pm
OSL
-
STL
23h 30m
2 stops
$811United Airlines
Sun, Aug 23 - Wed, Aug 26
Lufthansa Logo
12:27 pm - 2:50 pm
STL
-
OSL
19h 23m
2 stops
Lufthansa Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$815Lufthansa
Sun, Aug 23 - Wed, Aug 26
Scandinavian Airlines Logo
3:39 pm - 2:30 pm
STL
-
TRF
15h 51m
2 stops
Scandinavian Airlines Logo
6:00 am - 11:58 pm
TRF
-
STL
24h 58m
2 stops
$1,548Scandinavian Airlines
Sun, Aug 9 - Fri, Aug 14

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Lufthansa flights from St. Louis to Oslo

Our best Lufthansa deals on St. Louis to Oslo flight tickets
Lufthansa
Aug 18
STL12:59 pmLambert-St Louis
16h 16m
2 stops
OSL12:15 pmOslo Gardermoen
Aug 25
OSL6:55 amOslo Gardermoen
13h 30m
1 stop
STL1:25 pmLambert-St Louis
$793
Lufthansa
Aug 10
STL3:30 pmLambert-St Louis
19h 50m
1 stop
OSL6:20 pmOslo Gardermoen
Aug 25
OSL6:55 amOslo Gardermoen
13h 30m
1 stop
STL1:25 pmLambert-St Louis
$798
Lufthansa
Aug 18
STL12:59 pmLambert-St Louis
16h 16m
2 stops
OSL12:15 pmOslo Gardermoen
Aug 25
OSL6:55 amOslo Gardermoen
19h 16m
2 stops
STL7:11 pmLambert-St Louis
$807

British Airways flights from St. Louis to Oslo

Our best British Airways deals on St. Louis to Oslo flight tickets
British Airways
Aug 18
STL9:35 pmLambert-St Louis
18h 45m
1 stop
OSL11:20 pmOslo Gardermoen
Aug 25
OSL7:45 amOslo Gardermoen
18h 45m
1 stop
STL7:30 pmLambert-St Louis
$795
British Airways
Jul 23
STL2:31 pmLambert-St Louis
18h 49m
2 stops
OSL4:20 pmOslo Gardermoen
Jul 25
OSL5:10 pmOslo Gardermoen
31h 03m
2 stops
STL5:13 pmLambert-St Louis
$12,123

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 July 22, 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

Mon 8/10

3:30 pm-6:20 pm

1 stop19h 50m

Oslo Gardermoen

Tue 8/25

7:00 pm-6:42 pm

2 stops30h 42m

$790
Quickest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/18

12:59 pm-12:15 pm

2 stops16h 16m

Oslo Gardermoen

Tue 8/25

6:55 am-1:25 pm

1 stop13h 30m

$793

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/10

2:10 pm-11:05 am

2 stops13h 55m

Oslo Gardermoen

Tue 8/25

11:50 am-8:42 pm

2 stops15h 52m

$794

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/18

9:35 pm-11:20 pm

1 stop18h 45m

Oslo Gardermoen

Tue 8/25

7:45 am-7:30 pm

1 stop18h 45m

$795

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/10

3:30 pm-6:20 pm

1 stop19h 50m

Oslo Gardermoen

Tue 8/25

6:55 am-1:25 pm

1 stop13h 30m

$798

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 8/18

12:59 pm-12:15 pm

2 stops16h 16m

Oslo Gardermoen

Tue 8/25

6:55 am-7:11 pm

2 stops19h 16m

$807

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/10

7:05 pm-12:15 am

2 stops22h 10m

Oslo Gardermoen

Wed 8/26

6:35 am-1:25 pm

1 stop13h 50m

$808

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/23

4:50 pm-5:15 pm

2 stops41h 25m

Oslo Gardermoen

Wed 8/26

7:10 am-11:40 pm

2 stops23h 30m

$811

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/23

12:27 pm-2:50 pm

2 stops19h 23m

Oslo Gardermoen

Wed 8/26

6:35 am-1:25 pm

1 stop13h 50m

$815

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Sun 8/9

3:39 pm-2:30 pm

2 stops15h 51m

Oslo Sandefjord

Fri 8/14

6:00 am-11:58 pm

2 stops24h 58m

$1,548

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 October is, on average, the cheapest month to fly to Oslo from St. Louis, with most prices found around $0. If you’re not able to fly to Oslo in October, then April is your next best option. Flight prices from St. Louis to Oslo during April average around $593.

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

13h 50m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 13h 50m
There are no direct flights from St. Louis to Oslo. There are no popular flight routes from St. Louis to Oslo.
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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 13h 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
10,017 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
8,152 reviews
Search Lufthansa flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
8,124 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.8
1,543 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