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Cheap flights from St. Louis to Oslo from $359

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 7/18. 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
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.
Lufthansa Logo
3:30 pm - 11:55 am
STL
-
OSL
13h 25m
1 stop
Lufthansa Logo
6:45 pm - 1:25 pm
OSL
-
STL
25h 40m
2 stops
$595Lufthansa
Fri, Aug 21 - Mon, Aug 24
British Airways Logo
9:35 pm - 10:20 pm
STL
-
OSL
17h 45m
1 stop
British Airways Logo
5:05 pm - 7:30 pm
OSL
-
STL
33h 25m
1 stop
$602British Airways
Fri, Aug 21 - Mon, Aug 24
United Airlines Logo
11:45 am - 10:55 am
STL
-
OSL
16h 10m
2 stops
United Airlines Logo
1:05 pm - 3:38 pm
OSL
-
STL
33h 33m
2 stops
$613United Airlines
Fri, Aug 21 - Mon, Aug 24
Multiple Airlines Logo
7:05 am - 5:15 pm
STL
-
OSL
27h 10m
2 stops
Multiple Airlines Logo
6:25 am - 1:25 pm
OSL
-
STL
14h 00m
1 stop
$625Multiple Airlines
Mon, May 18 - Fri, May 29
Air Canada Logo
7:05 am - 5:15 pm
STL
-
OSL
27h 10m
2 stops
Air Canada Logo
6:25 am - 8:25 pm
OSL
-
STL
21h 00m
2 stops
$642Air Canada
Mon, May 18 - Fri, May 29
Lufthansa Logo
3:30 pm - 11:55 am
STL
-
OSL
13h 25m
1 stop
Lufthansa Logo
6:25 am - 1:25 pm
OSL
-
STL
14h 00m
1 stop
$653Lufthansa
Fri, Apr 10 - Fri, Apr 17
British Airways Logo
12:27 pm - 4:20 pm
STL
-
OSL
20h 53m
2 stops
British Airways Logo
7:50 am - 7:33 pm
OSL
-
STL
18h 43m
2 stops
$674British Airways
Fri, Apr 10 - Fri, Apr 17
Multiple Airlines Logo
5:59 pm - 3:30 pm
STL
-
OSL
14h 31m
2 stops
Multiple Airlines Logo
11:50 am - 8:44 pm
OSL
-
STL
15h 54m
2 stops
$681Multiple Airlines
Fri, Apr 10 - Fri, Apr 17
Multiple Airlines Logo
1:00 pm - 5:15 pm
STL
-
OSL
21h 15m
2 stops
Multiple Airlines Logo
6:35 am - 1:25 pm
OSL
-
STL
13h 50m
1 stop
$684Multiple Airlines
Thu, May 14 - Wed, May 27
KLM Logo
4:20 pm - 12:25 am
STL
-
TRF
49h 05m
2 stops
KLM Logo
3:05 pm - 5:05 pm
TRF
-
STL
33h 00m
2 stops
$1,478KLM
Mon, May 18 - Fri, May 29

Air Canada flights from St. Louis to Oslo

Our best Air Canada deals on St. Louis to Oslo flight tickets
Air Canada
May 18
STL7:05 amLambert-St Louis
27h 10m
2 stops
OSL5:15 pmOslo Gardermoen
May 29
OSL6:25 amOslo Gardermoen
21h 00m
2 stops
STL8:25 pmLambert-St Louis
$642
Air Canada
May 14
STL1:00 pmLambert-St Louis
21h 15m
2 stops
OSL5:15 pmOslo Gardermoen
May 27
OSL6:45 amOslo Gardermoen
20h 40m
2 stops
STL8:25 pmLambert-St Louis
$687
Air Canada
May 14
STL1:00 pmLambert-St Louis
21h 15m
2 stops
OSL5:15 pmOslo Gardermoen
May 27
OSL6:35 amOslo Gardermoen
36h 31m
2 stops
STL12:06 pmLambert-St Louis
$692

Lufthansa flights from St. Louis to Oslo

Our best Lufthansa deals on St. Louis to Oslo flight tickets
Lufthansa
Aug 21
STL3:30 pmLambert-St Louis
13h 25m
1 stop
OSL11:55 amOslo Gardermoen
Aug 24
OSL6:45 pmOslo Gardermoen
25h 40m
2 stops
STL1:25 pmLambert-St Louis
$595
Lufthansa
Apr 10
STL3:30 pmLambert-St Louis
13h 25m
1 stop
OSL11:55 amOslo Gardermoen
Apr 17
OSL6:25 amOslo Gardermoen
14h 00m
1 stop
STL1:25 pmLambert-St Louis
$653
Lufthansa
Aug 15
STL6:49 pmLambert-St Louis
22h 16m
2 stops
OSL12:05 amOslo Gardermoen
Aug 29
OSL6:15 amOslo Gardermoen
16h 23m
2 stops
STL3:38 pmLambert-St Louis
$698

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 27, 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

Fri 8/21

3:30 pm-11:55 am

1 stop13h 25m

Oslo Gardermoen

Mon 8/24

6:45 pm-1:25 pm

2 stops25h 40m

$595

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 8/21

9:35 pm-10:20 pm

1 stop17h 45m

Oslo Gardermoen

Mon 8/24

5:05 pm-7:30 pm

1 stop33h 25m

$602

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 8/21

11:45 am-10:55 am

2 stops16h 10m

Oslo Gardermoen

Mon 8/24

1:05 pm-3:38 pm

2 stops33h 33m

$613

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 5/18

7:05 am-5:15 pm

2 stops27h 10m

Oslo Gardermoen

Fri 5/29

6:25 am-1:25 pm

1 stop14h 00m

$625

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 5/18

7:05 am-5:15 pm

2 stops27h 10m

Oslo Gardermoen

Fri 5/29

6:25 am-8:25 pm

2 stops21h 00m

$642

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 4/10

3:30 pm-11:55 am

1 stop13h 25m

Oslo Gardermoen

Fri 4/17

6:25 am-1:25 pm

1 stop14h 00m

$653

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 4/10

12:27 pm-4:20 pm

2 stops20h 53m

Oslo Gardermoen

Fri 4/17

7:50 am-7:33 pm

2 stops18h 43m

$674

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 4/10

5:59 pm-3:30 pm

2 stops14h 31m

Oslo Gardermoen

Fri 4/17

11:50 am-8:44 pm

2 stops15h 54m

$681

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 5/14

1:00 pm-5:15 pm

2 stops21h 15m

Oslo Gardermoen

Wed 5/27

6:35 am-1:25 pm

1 stop13h 50m

$684

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Mon 5/18

4:20 pm-12:25 am

2 stops49h 05m

Oslo Sandefjord

Fri 5/29

3:05 pm-5:05 pm

2 stops33h 00m

$1,478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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

16h 10m

Direct flights

None
The fastest flight from St. Louis to Oslo takes 16h 10m
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 16h 10m.

  • 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
9,351 reviews
Search United Airlines flights
LufthansaPriceFrom $589Free CancellationRating
6.8
7,815 reviews
Search Lufthansa flights
DeltaPriceFrom $625Free CancellationRating
7.9
8,242 reviews
Search Delta flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.7
1,460 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