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Cheap flights from St. Louis to Oslo from $342

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 7/29. 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
6:55 pm - 11:30 pm
STL
-
OSL
21h 35m
2 stops
Multiple Airlines Logo
8:35 am - 7:46 pm
OSL
-
STL
18h 11m
2 stops
$782Multiple Airlines
Sat, Aug 8 - Wed, Aug 19
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
$791British Airways
Sun, Apr 26 - Tue, May 12
Lufthansa Logo
1:24 pm - 6:25 pm
STL
-
OSL
22h 01m
2 stops
Lufthansa Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$796Lufthansa
Sun, May 3 - Wed, May 27
Finnair Logo
4:18 pm - 7:45 pm
STL
-
OSL
20h 27m
2 stops
Finnair Logo
8:55 pm - 7:30 pm
OSL
-
STL
29h 35m
2 stops
$799Finnair
Sat, Aug 8 - Sat, Aug 22
Lufthansa Logo
7:09 pm - 6:25 pm
STL
-
OSL
16h 16m
2 stops
Lufthansa Logo
9:55 am - 11:35 pm
OSL
-
STL
20h 40m
2 stops
$805Lufthansa
Sun, May 3 - Wed, May 27
Lufthansa Logo
1:24 pm - 6:25 pm
STL
-
OSL
22h 01m
2 stops
Lufthansa Logo
6:35 am - 9:16 pm
OSL
-
STL
21h 41m
2 stops
$806Lufthansa
Sun, May 3 - Wed, May 27
Delta Logo
5:36 pm - 6:35 pm
STL
-
OSL
17h 59m
2 stops
Delta Logo
8:00 am - 11:21 pm
OSL
-
STL
22h 21m
2 stops
$830Delta
Wed, May 13 - Wed, May 20
Delta Logo
5:35 pm - 6:45 pm
STL
-
OSL
18h 10m
2 stops
Delta Logo
6:30 am - 9:09 pm
OSL
-
STL
21h 39m
2 stops
$835Delta
Tue, May 5 - Sun, May 10
KLM Logo
1:59 pm - 2:30 pm
STL
-
TRF
17h 31m
3 stops
KLM Logo
6:00 am - 5:05 pm
TRF
-
STL
18h 05m
2 stops
$1,154KLM
Tue, May 12 - Tue, May 19
KLM Logo
6:57 pm - 12:25 am
STL
-
TRF
22h 28m
3 stops
KLM Logo
3:05 pm - 9:09 pm
TRF
-
STL
37h 04m
3 stops
$1,162KLM
Tue, May 12 - Tue, May 19

British Airways flights from St. Louis to Oslo

Our best British Airways deals on St. Louis to Oslo flight tickets
British Airways
Apr 26
STL9:40 pmLambert-St Louis
19h 00m
1 stop
OSL11:40 pmOslo Gardermoen
May 12
OSL11:15 amOslo Gardermoen
18h 04m
2 stops
STL10:19 pmLambert-St Louis
$791
British Airways
May 3
STL9:40 pmLambert-St Louis
19h 00m
1 stop
OSL11:40 pmOslo Gardermoen
May 23
OSL8:55 pmOslo Gardermoen
28h 35m
2 stops
STL6:30 pmLambert-St Louis
$930
British Airways
May 3
STL9:40 pmLambert-St Louis
19h 00m
1 stop
OSL11:40 pmOslo Gardermoen
May 23
OSL8:15 amOslo Gardermoen
20h 27m
2 stops
STL9:42 pmLambert-St Louis
$940

Lufthansa flights from St. Louis to Oslo

Our best Lufthansa deals on St. Louis to Oslo flight tickets
Lufthansa
May 3
STL1:24 pmLambert-St Louis
22h 01m
2 stops
OSL6:25 pmOslo Gardermoen
May 27
OSL6:35 amOslo Gardermoen
13h 50m
1 stop
STL1:25 pmLambert-St Louis
$796
Lufthansa
May 3
STL7:09 pmLambert-St Louis
16h 16m
2 stops
OSL6:25 pmOslo Gardermoen
May 27
OSL9:55 amOslo Gardermoen
20h 40m
2 stops
STL11:35 pmLambert-St Louis
$805
Lufthansa
May 3
STL1:24 pmLambert-St Louis
22h 01m
2 stops
OSL6:25 pmOslo Gardermoen
May 27
OSL6:35 amOslo Gardermoen
21h 41m
2 stops
STL9:16 pmLambert-St Louis
$806

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 1, 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

Sat 8/8

6:55 pm-11:30 pm

2 stops21h 35m

Oslo Gardermoen

Wed 8/19

8:35 am-7:46 pm

2 stops18h 11m

$782

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

$791

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

1:24 pm-6:25 pm

2 stops22h 01m

Oslo Gardermoen

Wed 5/27

6:35 am-1:25 pm

1 stop13h 50m

$796

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 8/8

4:18 pm-7:45 pm

2 stops20h 27m

Oslo Gardermoen

Sat 8/22

8:55 pm-7:30 pm

2 stops29h 35m

$799

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

7:09 pm-6:25 pm

2 stops16h 16m

Oslo Gardermoen

Wed 5/27

9:55 am-11:35 pm

2 stops20h 40m

$805

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

1:24 pm-6:25 pm

2 stops22h 01m

Oslo Gardermoen

Wed 5/27

6:35 am-9:16 pm

2 stops21h 41m

$806

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 5/13

5:36 pm-6:35 pm

2 stops17h 59m

Oslo Gardermoen

Wed 5/20

8:00 am-11:21 pm

2 stops22h 21m

$830

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/5

5:35 pm-6:45 pm

2 stops18h 10m

Oslo Gardermoen

Sun 5/10

6:30 am-9:09 pm

2 stops21h 39m

$835
Quickest round-trip

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Tue 5/12

1:59 pm-2:30 pm

3 stops17h 31m

Oslo Sandefjord

Tue 5/19

6:00 am-5:05 pm

2 stops18h 05m

$1,154

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Tue 5/12

6:57 pm-12:25 am

3 stops22h 28m

Oslo Sandefjord

Tue 5/19

3:05 pm-9:09 pm

3 stops37h 04m

$1,162

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 13m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 14h 13m
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 13m.

  • 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
9,532 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,881 reviews
Search Lufthansa flights
DeltaPriceFrom $635Free CancellationRating
7.9
8,367 reviews
Search Delta flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,841 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.8
1,481 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