What is the cheapest airline that flies from Lambert-St Louis to Oslo?

Iberia, Finnair, and Lufthansa are the most popular carriers operating from Lambert-St Louis to Oslo

What airlines fly to Oslo?

Lufthansa, Delta and United Airlines are the top three most popular airlines that fly to Oslo from St. Louis according to our data. Lufthansa is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 4 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Lambert-St Louis Airport to Oslo is 4 as of January 2026.

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.

$277 Cheap Flights from St. Louis to Oslo in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Oslo?

Prices are currently low for flights on this route. Typical prices usually range from $714 to $794. The lowest price recently found on this route was $515.

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Find the cheapest flights from St. Louis to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 3:55 pm

STL

OSL

40h 50m

2 stops

6:25 am - 1:25 pm

OSL

STL

14h 00m

1 stop

$515Multiple Airlines

Tue, Apr 7 - Fri, Apr 24

5:25 pm - 8:40 pm

STL

OSL

20h 15m

2 stops

6:30 am - 4:42 pm

OSL

STL

17h 12m

2 stops

$519Delta

Tue, Apr 7 - Tue, Apr 14

11:25 am - 5:10 pm

STL

OSL

22h 45m

2 stops

6:05 am - 1:55 pm

OSL

STL

14h 50m

1 stop

$520United Airlines

Sun, Feb 22 - Sun, Mar 1

10:00 am - 5:40 pm

STL

OSL

25h 40m

2 stops

6:15 am - 3:29 pm

OSL

STL

39h 14m

2 stops

$527United Airlines

Mon, Mar 9 - Tue, Mar 17

11:25 am - 5:10 pm

STL

OSL

22h 45m

2 stops

6:15 am - 3:29 pm

OSL

STL

39h 14m

2 stops

$528United Airlines

Wed, Mar 4 - Mon, Mar 16

6:55 pm - 5:40 pm

STL

OSL

39h 45m

2 stops

6:05 am - 11:59 pm

OSL

STL

24h 54m

2 stops

$529United Airlines

Sun, Feb 22 - Sun, Mar 1

8:17 am - 5:10 pm

STL

OSL

25h 53m

2 stops

6:15 am - 9:07 pm

OSL

STL

44h 52m

2 stops

$530United Airlines

Wed, Mar 4 - Thu, Mar 12

6:33 pm - 4:35 pm

STL

OSL

15h 02m

2 stops

8:30 pm - 11:04 pm

OSL

STL

33h 34m

2 stops

$531Multiple Airlines

Mon, Apr 6 - Mon, Apr 13

7:41 am - 5:10 pm

STL

OSL

26h 29m

2 stops

6:10 am - 9:05 pm

OSL

STL

20h 55m

2 stops

$532United Airlines

Wed, Mar 4 - Sat, Mar 14

10:50 am - 8:40 am

STL

OSL

15h 50m

2 stops

7:45 am - 11:58 pm

OSL

STL

22h 13m

2 stops

$534Delta

Tue, Mar 10 - Mon, Mar 16

United Airlines flights from St. Louis to Oslo

Our best United Airlines deals on St. Louis to Oslo flight tickets

United Airlines

Feb 22

STL11:25 amLambert-St Louis

22h 45m

2 stops

OSL5:10 pmOslo Gardermoen

Mar 1

OSL6:05 amOslo Gardermoen

14h 50m

1 stop

STL1:55 pmLambert-St Louis

$520

United Airlines

Mar 9

STL10:00 amLambert-St Louis

25h 40m

2 stops

OSL5:40 pmOslo Gardermoen

Mar 17

OSL6:15 amOslo Gardermoen

39h 14m

2 stops

STL3:29 pmLambert-St Louis

$527

United Airlines

Mar 4

STL11:25 amLambert-St Louis

22h 45m

2 stops

OSL5:10 pmOslo Gardermoen

Mar 16

OSL6:15 amOslo Gardermoen

39h 14m

2 stops

STL3:29 pmLambert-St Louis

$528

Delta flights from St. Louis to Oslo

Our best Delta deals on St. Louis to Oslo flight tickets

Delta

Apr 7

STL5:25 pmLambert-St Louis

20h 15m

2 stops

OSL8:40 pmOslo Gardermoen

Apr 14

OSL6:30 amOslo Gardermoen

17h 12m

2 stops

STL4:42 pmLambert-St Louis

$519

Delta

Mar 10

STL10:50 amLambert-St Louis

15h 50m

2 stops

OSL8:40 amOslo Gardermoen

Mar 16

OSL7:45 amOslo Gardermoen

22h 13m

2 stops

STL11:58 pmLambert-St Louis

$534

Delta

Apr 7

STL12:04 pmLambert-St Louis

18h 41m

2 stops

OSL1:45 pmOslo Gardermoen

Apr 13

OSL11:50 amOslo Gardermoen

18h 24m

2 stops

STL11:14 pmLambert-St Louis

$569

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/7

4:05 pm-3:55 pm

2 stops40h 50m

Oslo Gardermoen

Fri 4/24

6:25 am-1:25 pm

1 stop14h 00m

$515

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/7

5:25 pm-8:40 pm

2 stops20h 15m

Oslo Gardermoen

Tue 4/14

6:30 am-4:42 pm

2 stops17h 12m

$519

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 2/22

11:25 am-5:10 pm

2 stops22h 45m

Oslo Gardermoen

Sun 3/1

6:05 am-1:55 pm

1 stop14h 50m

$520

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 3/9

10:00 am-5:40 pm

2 stops25h 40m

Oslo Gardermoen

Tue 3/17

6:15 am-3:29 pm

2 stops39h 14m

$527

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 3/4

11:25 am-5:10 pm

2 stops22h 45m

Oslo Gardermoen

Mon 3/16

6:15 am-3:29 pm

2 stops39h 14m

$528

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 2/22

6:55 pm-5:40 pm

2 stops39h 45m

Oslo Gardermoen

Sun 3/1

6:05 am-11:59 pm

2 stops24h 54m

$529

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 3/4

8:17 am-5:10 pm

2 stops25h 53m

Oslo Gardermoen

Thu 3/12

6:15 am-9:07 pm

2 stops44h 52m

$530

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 4/6

6:33 pm-4:35 pm

2 stops15h 02m

Oslo Gardermoen

Mon 4/13

8:30 pm-11:04 pm

2 stops33h 34m

$531

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 3/4

7:41 am-5:10 pm

2 stops26h 29m

Oslo Gardermoen

Sat 3/14

6:10 am-9:05 pm

2 stops20h 55m

$532

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 3/10

10:50 am-8:40 am

2 stops15h 50m

Oslo Gardermoen

Mon 3/16

7:45 am-11:58 pm

2 stops22h 13m

$534

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 October is your next best option. Flight prices from St. Louis to Oslo during October average around $667.

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 02m
Direct flights	None

The fastest flight from St. Louis to Oslo takes 15h 02m

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 02m.
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?
The number of operators available for flights from Lambert-St Louis Airport to Oslo is 4 as of January 2026.
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
Lufthansa	PriceFrom $581	Free Cancellation	Rating 6.8 7,747 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,112 reviews	Search Delta flights
British Airways	PriceFrom $660	Free Cancellation	Rating 6.7 7,700 reviews	Search British Airways flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,199 reviews	Search United Airlines 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.