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Cheap flights from St. Louis to Oslo from $570

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 4/19. 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.
Finnair Logo
5:21 pm - 4:35 pm
STL
-
OSL
16h 14m
2 stops
Finnair Logo
12:50 pm - 10:19 pm
OSL
-
STL
16h 29m
2 stops
$570Finnair
Sun, Apr 19 - Tue, May 5
British Airways Logo
4:30 pm - 4:25 pm
STL
-
OSL
16h 55m
2 stops
British Airways Logo
11:15 am - 7:30 pm
OSL
-
STL
15h 15m
1 stop
$609British Airways
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
4:05 pm - 6:00 pm
STL
-
OSL
18h 55m
2 stops
Multiple Airlines Logo
1:10 pm - 3:25 pm
OSL
-
STL
33h 15m
2 stops
$612Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
8:03 pm - 4:25 pm
STL
-
OSL
13h 22m
2 stops
American Airlines Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$613American Airlines
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
2:20 pm - 5:15 pm
STL
-
OSL
19h 55m
2 stops
Air Canada Logo
6:45 am - 8:25 pm
OSL
-
STL
20h 40m
2 stops
$621Air Canada
Wed, May 6 - Tue, May 12
United Airlines Logo
6:30 am - 6:00 pm
STL
-
OSL
28h 30m
2 stops
United Airlines Logo
7:10 am - 3:25 pm
OSL
-
STL
39h 15m
2 stops
$622United Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
12:15 pm - 5:15 pm
STL
-
OSL
22h 00m
2 stops
United Airlines Logo
6:55 am - 11:19 pm
OSL
-
STL
23h 24m
2 stops
$623United Airlines
Tue, May 5 - Tue, May 12
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
Multiple Airlines Logo
4:05 pm - 6:25 pm
STL
-
OSL
19h 20m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
OSL
-
STL
25h 25m
1 stop
$637Multiple Airlines
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
10:00 am - 5:15 pm
STL
-
OSL
24h 15m
2 stops
Multiple Airlines Logo
1:10 pm - 4:57 pm
OSL
-
STL
34h 47m
3 stops
$638Multiple Airlines
Sun, Apr 19 - Tue, May 5

British Airways flights from St. Louis to Oslo Gardermoen Airport

Our best British Airways deals on St. Louis to Oslo Gardermoen Airport flight tickets
British Airways
Apr 14
STL4:30 pmLambert-St Louis
16h 55m
2 stops
OSL4:25 pmOslo Gardermoen
Apr 21
OSL11:15 amOslo Gardermoen
15h 15m
1 stop
STL7:30 pmLambert-St Louis
$609
British Airways
Apr 11
STL6:11 pmLambert-St Louis
34h 54m
2 stops
OSL12:05 pmOslo Gardermoen
Apr 18
OSL8:55 pmOslo Gardermoen
32h 22m
2 stops
STL10:17 pmLambert-St Louis
$684
British Airways
Apr 11
STL6:11 pmLambert-St Louis
34h 54m
2 stops
OSL12:05 pmOslo Gardermoen
Apr 18
OSL5:10 pmOslo Gardermoen
33h 20m
1 stop
STL7:30 pmLambert-St Louis
$698

American Airlines flights from St. Louis to Oslo Gardermoen Airport

Our best American Airlines deals on St. Louis to Oslo Gardermoen Airport flight tickets
American Airlines
Apr 14
STL8:03 pmLambert-St Louis
13h 22m
2 stops
OSL4:25 pmOslo Gardermoen
Apr 21
OSL7:45 amOslo Gardermoen
18h 45m
1 stop
STL7:30 pmLambert-St Louis
$613
American Airlines
May 20
STL6:35 amLambert-St Louis
21h 10m
2 stops
OSL10:45 amOslo Gardermoen
May 27
OSL12:50 pmOslo Gardermoen
18h 04m
2 stops
STL11:54 pmLambert-St Louis
$853
American Airlines
May 20
STL6:35 amLambert-St Louis
21h 10m
2 stops
OSL10:45 amOslo Gardermoen
May 26
OSL11:15 amOslo Gardermoen
16h 15m
2 stops
STL8:30 pmLambert-St Louis
$864

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Oslo Gardermoen Airport 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 March 1, 2026.
Use the filters below to find and compare flights from St. Louis to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 4/19

5:21 pm-4:35 pm

2 stops16h 14m

Oslo Gardermoen

Tue 5/5

12:50 pm-10:19 pm

2 stops16h 29m

$570

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/14

4:30 pm-4:25 pm

2 stops16h 55m

Oslo Gardermoen

Tue 4/21

11:15 am-7:30 pm

1 stop15h 15m

$609

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/14

4:05 pm-6:00 pm

2 stops18h 55m

Oslo Gardermoen

Tue 4/21

1:10 pm-3:25 pm

2 stops33h 15m

$612

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/14

8:03 pm-4:25 pm

2 stops13h 22m

Oslo Gardermoen

Tue 4/21

7:45 am-7:30 pm

1 stop18h 45m

$613

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 5/6

2:20 pm-5:15 pm

2 stops19h 55m

Oslo Gardermoen

Tue 5/12

6:45 am-8:25 pm

2 stops20h 40m

$621

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/14

6:30 am-6:00 pm

2 stops28h 30m

Oslo Gardermoen

Tue 4/21

7:10 am-3:25 pm

2 stops39h 15m

$622

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 5/5

12:15 pm-5:15 pm

2 stops22h 00m

Oslo Gardermoen

Tue 5/12

6:55 am-11:19 pm

2 stops23h 24m

$623

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

Sun 4/19

4:05 pm-6:25 pm

2 stops19h 20m

Oslo Gardermoen

Tue 5/5

7:00 pm-1:25 pm

1 stop25h 25m

$637

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 4/19

10:00 am-5:15 pm

2 stops24h 15m

Oslo Gardermoen

Tue 5/5

1:10 pm-4:57 pm

3 stops34h 47m

$638

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 Gardermoen Airport

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 cheapest month to fly to Oslo Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from St. Louis is in November. Flight prices, which tend to average around $617, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Oslo Gardermoen Airport from St. Louis during April instead. Flights to Oslo Gardermoen Airport in April, while not as cheap as those in November, still average around $639.

Can stopping save me money on St. Louis to Oslo Gardermoen Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a St. Louis to Oslo Gardermoen Airport flight.

When to book flights from St. Louis to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Oslo Gardermoen Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Oslo Gardermoen Airport (STL to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Oslo Gardermoen Airport

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from St. Louis to Oslo Gardermoen Airport takes 16h 10m
There are no direct flights from St. Louis to Oslo Gardermoen Airport. There are no popular flight routes from St. Louis to Oslo Gardermoen Airport.
Search flight deals

  • How far is Lambert-St Louis to Oslo Gardermoen by plane?

    The straight-line distance from Lambert-St Louis to Oslo Gardermoen is 4298.2 mi. By plane, this route typically takes 16h 10m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?

    Prices for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Oslo Gardermoen Airport?

    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 Gardermoen Airport.

  • What documentation or ID do you need to fly to Oslo Gardermoen Airport?

    The travel and health documents you'll need for your trip to Oslo Gardermoen Airport 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 Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Oslo Gardermoen Airport?

Best airlines flying from St. Louis to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from St. Louis to Oslo Gardermoen Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,371 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,818 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
1,461 reviews
Search KLM flights

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Lillehammer
Drammen

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Oslo?

Finding the right flight to Oslo from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Oslo quick and easy, saving you time and money.

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 you have performed a search for St. Louis to Oslo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Oslo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.

An easier way to manage your Oslo Gardermoen Airport trip

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