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Cheap flights from St. Louis to Oslo from $479

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 3/29. 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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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
6:35 pm - 5:55 pm
STL
-
OSL
16h 20m
2 stops
Multiple Airlines Logo
9:55 am - 3:24 pm
OSL
-
STL
36h 29m
2 stops
$479Multiple Airlines
Sun, Mar 29 - Tue, Apr 14
Lufthansa Logo
3:30 pm - 12:20 pm
STL
-
OSL
13h 50m
1 stop
Lufthansa Logo
6:55 am - 9:08 pm
OSL
-
STL
21h 13m
2 stops
$489Lufthansa
Sun, Mar 29 - Tue, Apr 14
Lufthansa Logo
3:30 pm - 12:20 pm
STL
-
OSL
13h 50m
1 stop
Lufthansa Logo
7:00 pm - 1:25 pm
OSL
-
STL
25h 25m
1 stop
$505Lufthansa
Sun, Mar 29 - Tue, Apr 14
Air Canada Logo
9:10 am - 5:15 pm
STL
-
OSL
25h 05m
2 stops
Air Canada Logo
9:55 am - 10:28 pm
OSL
-
STL
19h 33m
2 stops
$547Air Canada
Sun, Mar 29 - Tue, Apr 14
Finnair Logo
5:21 pm - 4:35 pm
STL
-
OSL
16h 14m
2 stops
Finnair Logo
8:35 am - 10:17 pm
OSL
-
STL
20h 42m
2 stops
$582Finnair
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
4:05 pm - 11:20 pm
STL
-
OSL
25h 15m
2 stops
United Airlines Logo
9:55 am - 10:28 pm
OSL
-
STL
19h 33m
2 stops
$583United Airlines
Fri, Mar 20 - Tue, Apr 7
United Airlines Logo
4:05 pm - 11:20 pm
STL
-
OSL
25h 15m
2 stops
United Airlines Logo
1:10 pm - 1:25 pm
OSL
-
STL
31h 15m
1 stop
$594United Airlines
Fri, Mar 20 - Tue, Apr 7
United Airlines Logo
7:00 pm - 4:15 pm
STL
-
OSL
39h 15m
2 stops
United Airlines Logo
1:05 pm - 10:28 pm
OSL
-
STL
40h 23m
2 stops
$603United Airlines
Sat, Mar 28 - Sat, Apr 4
Lufthansa Logo
3:30 pm - 12:15 pm
STL
-
OSL
13h 45m
1 stop
Lufthansa Logo
6:25 am - 1:25 pm
OSL
-
STL
14h 00m
1 stop
$627Lufthansa
Wed, Apr 8 - Sun, Apr 12
Delta Logo
5:25 pm - 4:20 pm
STL
-
OSL
15h 55m
2 stops
Delta Logo
9:20 am - 11:25 pm
OSL
-
STL
21h 05m
2 stops
$646Delta
Mon, Apr 6 - Fri, Apr 10

Air Canada flights from St. Louis to Oslo

Our best Air Canada deals on St. Louis to Oslo flight tickets
Air Canada
May 14
STL1:00 pmLambert-St Louis
21h 55m
2 stops
OSL5:55 pmOslo Gardermoen
May 27
OSL6:35 amOslo Gardermoen
20h 30m
2 stops
STL8:05 pmLambert-St Louis
$687
Air Canada
May 14
STL1:00 pmLambert-St Louis
21h 55m
2 stops
OSL5:55 pmOslo Gardermoen
May 27
OSL6:35 amOslo Gardermoen
20h 30m
2 stops
STL8:05 pmLambert-St Louis
$688
Air Canada
Jun 1
STL1:00 pmLambert-St Louis
21h 15m
2 stops
OSL5:15 pmOslo Gardermoen
Jun 5
OSL6:25 amOslo Gardermoen
20h 40m
2 stops
STL8:05 pmLambert-St Louis
$778

United Airlines flights from St. Louis to Oslo

Our best United Airlines deals on St. Louis to Oslo flight tickets
United Airlines
Mar 20
STL4:05 pmLambert-St Louis
25h 15m
2 stops
OSL11:20 pmOslo Gardermoen
Apr 7
OSL9:55 amOslo Gardermoen
19h 33m
2 stops
STL10:28 pmLambert-St Louis
$583
United Airlines
Mar 20
STL4:05 pmLambert-St Louis
25h 15m
2 stops
OSL11:20 pmOslo Gardermoen
Apr 7
OSL1:10 pmOslo Gardermoen
31h 15m
1 stop
STL1:25 pmLambert-St Louis
$594
United Airlines
Mar 28
STL7:00 pmLambert-St Louis
39h 15m
2 stops
OSL4:15 pmOslo Gardermoen
Apr 4
OSL1:05 pmOslo Gardermoen
40h 23m
2 stops
STL10:28 pmLambert-St Louis
$603

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 13, 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

Sun 3/29

6:35 pm-5:55 pm

2 stops16h 20m

Oslo Gardermoen

Tue 4/14

9:55 am-3:24 pm

2 stops36h 29m

$479

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/29

3:30 pm-12:20 pm

1 stop13h 50m

Oslo Gardermoen

Tue 4/14

6:55 am-9:08 pm

2 stops21h 13m

$489

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/29

3:30 pm-12:20 pm

1 stop13h 50m

Oslo Gardermoen

Tue 4/14

7:00 pm-1:25 pm

1 stop25h 25m

$505

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/29

9:10 am-5:15 pm

2 stops25h 05m

Oslo Gardermoen

Tue 4/14

9:55 am-10:28 pm

2 stops19h 33m

$547

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 4/8

5:21 pm-4:35 pm

2 stops16h 14m

Oslo Gardermoen

Sun 4/12

8:35 am-10:17 pm

2 stops20h 42m

$582

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 3/20

4:05 pm-11:20 pm

2 stops25h 15m

Oslo Gardermoen

Tue 4/7

9:55 am-10:28 pm

2 stops19h 33m

$583

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 3/20

4:05 pm-11:20 pm

2 stops25h 15m

Oslo Gardermoen

Tue 4/7

1:10 pm-1:25 pm

1 stop31h 15m

$594

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 3/28

7:00 pm-4:15 pm

2 stops39h 15m

Oslo Gardermoen

Sat 4/4

1:05 pm-10:28 pm

2 stops40h 23m

$603

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 4/8

3:30 pm-12:15 pm

1 stop13h 45m

Oslo Gardermoen

Sun 4/12

6:25 am-1:25 pm

1 stop14h 00m

$627

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 4/6

5:25 pm-4:20 pm

2 stops15h 55m

Oslo Gardermoen

Fri 4/10

9:20 am-11:25 pm

2 stops21h 05m

$646

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 April is your next best option. Flight prices from St. Louis to Oslo during April average around $639.

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

15h 45m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 15h 45m
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 15h 45m.

  • 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
9,285 reviews
Search United Airlines flights
LufthansaPriceFrom $589Free CancellationRating
6.8
7,782 reviews
Search Lufthansa flights
DeltaPriceFrom $625Free CancellationRating
7.9
8,192 reviews
Search Delta flights
KLMPriceFrom $649Free CancellationRating
7.7
1,452 reviews
Search KLM flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,737 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