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Cheap flights from St. Louis to Oslo from $346

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 8/5. 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.
United Airlines Logo
8:25 am - 5:10 pm
STL
-
OSL
25h 45m
2 stops
United Airlines Logo
6:45 am - 10:54 pm
OSL
-
STL
23h 09m
2 stops
$731United Airlines
Wed, Dec 2 - Fri, Dec 4
Multiple Airlines Logo
8:55 am - 1:10 pm
STL
-
OSL
21h 15m
2 stops
Multiple Airlines Logo
8:25 am - 7:46 pm
OSL
-
STL
17h 21m
2 stops
$758Multiple Airlines
Sat, Oct 24 - Fri, Oct 30
Air Canada Logo
12:10 pm - 5:15 pm
STL
-
OSL
22h 05m
2 stops
Air Canada Logo
1:10 pm - 6:42 pm
OSL
-
STL
36h 32m
2 stops
$765Air Canada
Sun, Aug 9 - Tue, Aug 25
British Airways Logo
9:40 pm - 11:40 pm
STL
-
OSL
19h 00m
1 stop
British Airways Logo
7:45 am - 7:30 pm
OSL
-
STL
18h 45m
1 stop
$789British Airways
Sun, Aug 9 - Tue, Aug 25
Multiple Airlines Logo
12:10 pm - 5:15 pm
STL
-
OSL
22h 05m
2 stops
Multiple Airlines Logo
9:55 am - 1:25 pm
OSL
-
STL
34h 30m
1 stop
$790Multiple Airlines
Mon, Aug 3 - Tue, Aug 18
Multiple Airlines Logo
12:10 pm - 5:15 pm
STL
-
OSL
22h 05m
2 stops
Multiple Airlines Logo
6:55 am - 1:25 pm
OSL
-
STL
13h 30m
1 stop
$795Multiple Airlines
Sun, Aug 9 - Tue, Aug 25
Multiple Airlines Logo
8:05 pm - 2:20 pm
STL
-
OSL
35h 15m
2 stops
Multiple Airlines Logo
8:15 am - 7:46 pm
OSL
-
STL
18h 31m
2 stops
$796Multiple Airlines
Sat, Oct 17 - Sat, Oct 24
United Airlines Logo
11:45 am - 1:05 pm
STL
-
OSL
18h 20m
2 stops
United Airlines Logo
6:15 am - 1:45 pm
OSL
-
STL
14h 30m
1 stop
$803United Airlines
Wed, Dec 2 - Fri, Dec 4
Air Canada Logo
12:10 pm - 5:15 pm
STL
-
OSL
22h 05m
2 stops
Air Canada Logo
1:10 pm - 2:02 pm
OSL
-
STL
55h 52m
2 stops
$804Air Canada
Mon, Aug 3 - Tue, Aug 18
Multiple Airlines Logo
12:10 pm - 5:15 pm
STL
-
OSL
22h 05m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
OSL
-
STL
25h 25m
1 stop
$810Multiple Airlines
Mon, Aug 3 - Tue, Aug 18

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United Airlines flights from St. Louis to Oslo Gardermoen Airport

Our best United Airlines deals on St. Louis to Oslo Gardermoen Airport flight tickets
United Airlines
Dec 2
STL8:25 amLambert-St Louis
25h 45m
2 stops
OSL5:10 pmOslo Gardermoen
Dec 4
OSL6:45 amOslo Gardermoen
23h 09m
2 stops
STL10:54 pmLambert-St Louis
$731
United Airlines
Dec 2
STL11:45 amLambert-St Louis
18h 20m
2 stops
OSL1:05 pmOslo Gardermoen
Dec 4
OSL6:15 amOslo Gardermoen
14h 30m
1 stop
STL1:45 pmLambert-St Louis
$803
United Airlines
Oct 17
STL7:01 pmLambert-St Louis
39h 14m
2 stops
OSL5:15 pmOslo Gardermoen
Oct 24
OSL6:15 amOslo Gardermoen
22h 06m
3 stops
STL9:21 pmLambert-St Louis
$880

Scandinavian Airlines flights from St. Louis to Oslo Gardermoen Airport

Our best Scandinavian Airlines deals on St. Louis to Oslo Gardermoen Airport flight tickets
Scandinavian Airlines
Aug 17
STL12:52 pmLambert-St Louis
19h 03m
2 stops
OSL2:55 pmOslo Gardermoen
Aug 24
OSL11:00 amOslo Gardermoen
19h 58m
2 stops
STL11:58 pmLambert-St Louis
$821
Scandinavian Airlines
Oct 1
STL2:30 pmLambert-St Louis
15h 25m
2 stops
OSL12:55 pmOslo Gardermoen
Oct 7
OSL9:00 pmOslo Gardermoen
30h 49m
2 stops
STL8:49 pmLambert-St Louis
$891

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 June 14, 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

Cheapest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/2

8:25 am-5:10 pm

2 stops25h 45m

Oslo Gardermoen

Fri 12/4

6:45 am-10:54 pm

2 stops23h 09m

$731

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 10/24

8:55 am-1:10 pm

2 stops21h 15m

Oslo Gardermoen

Fri 10/30

8:25 am-7:46 pm

2 stops17h 21m

$758

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/9

12:10 pm-5:15 pm

2 stops22h 05m

Oslo Gardermoen

Tue 8/25

1:10 pm-6:42 pm

2 stops36h 32m

$765

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/9

9:40 pm-11:40 pm

1 stop19h 00m

Oslo Gardermoen

Tue 8/25

7:45 am-7:30 pm

1 stop18h 45m

$789

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/3

12:10 pm-5:15 pm

2 stops22h 05m

Oslo Gardermoen

Tue 8/18

9:55 am-1:25 pm

1 stop34h 30m

$790

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 8/9

12:10 pm-5:15 pm

2 stops22h 05m

Oslo Gardermoen

Tue 8/25

6:55 am-1:25 pm

1 stop13h 30m

$795

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 10/17

8:05 pm-2:20 pm

2 stops35h 15m

Oslo Gardermoen

Sat 10/24

8:15 am-7:46 pm

2 stops18h 31m

$796
Quickest round-trip

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/2

11:45 am-1:05 pm

2 stops18h 20m

Oslo Gardermoen

Fri 12/4

6:15 am-1:45 pm

1 stop14h 30m

$803

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/3

12:10 pm-5:15 pm

2 stops22h 05m

Oslo Gardermoen

Tue 8/18

1:10 pm-2:02 pm

2 stops55h 52m

$804

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 8/3

12:10 pm-5:15 pm

2 stops22h 05m

Oslo Gardermoen

Tue 8/18

7:00 pm-1:25 pm

1 stop25h 25m

$810

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 typical price of a round-trip flight between St. Louis and Oslo Gardermoen Airport?

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 April. Flight prices, which tend to average around $593, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Oslo Gardermoen Airport from St. Louis during November instead. Flights to Oslo Gardermoen Airport in November, while not as cheap as those in April, still average around $617.

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

You could potentially save up to 11% 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

14h 49m

Direct flights

None
The fastest flight from St. Louis to Oslo Gardermoen Airport takes 14h 49m
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

Frequently asked questions about flying from St. Louis to Oslo Gardermoen Airport

  • 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 14h 49m.

  • 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
9,820 reviews
Search United Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
8,060 reviews
Search Lufthansa flights
British AirwaysPriceFrom $656Free CancellationRating
6.7
8,047 reviews
Search British Airways flights
KLMPriceFrom $685Free CancellationRating
7.8
1,529 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.

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