What airlines fly to Oslo?

Delta, Lufthansa and United Airlines are the top three most popular airlines that fly to Oslo from St. Louis according to our data. Delta is the first choice among our users, with 30% 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.

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

British Airways, American Airlines, and Air Canada are the most popular carriers operating from Lambert-St Louis to Oslo

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.

$264 Cheap Flights from St. Louis to Oslo in 2026

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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.

11:46 am - 8:10 pm

STL

OSL

25h 24m

2 stops

8:50 pm - 11:58 pm

OSL

STL

33h 08m

2 stops

$470Finnair

Sun, Mar 1 - Tue, Mar 17

9:20 am - 10:40 pm

STL

OSL

30h 20m

2 stops

3:05 pm - 11:48 pm

OSL

STL

38h 43m

2 stops

$489British Airways

Sun, Mar 1 - Sun, Mar 8

4:05 pm - 12:55 pm

STL

OSL

37h 50m

2 stops

4:35 pm - 2:55 pm

OSL

STL

28h 20m

1 stop

$504Multiple Airlines

Sun, Mar 1 - Tue, Mar 17

4:05 pm - 12:10 pm

STL

OSL

37h 05m

2 stops

6:05 am - 1:55 pm

OSL

STL

14h 50m

1 stop

$508Multiple Airlines

Sun, Mar 1 - Sun, Mar 8

9:55 am - 11:20 pm

STL

OSL

30h 25m

2 stops

6:15 am - 1:55 pm

OSL

STL

14h 40m

1 stop

$530United Airlines

Fri, Feb 27 - Fri, Mar 6

9:55 am - 11:20 pm

STL

OSL

30h 25m

2 stops

6:10 am - 9:42 pm

OSL

STL

22h 32m

2 stops

$533United Airlines

Fri, Feb 27 - Fri, Mar 6

6:30 am - 5:10 pm

STL

OSL

27h 40m

2 stops

2:05 pm - 2:30 pm

OSL

STL

31h 25m

2 stops

$599United Airlines

Thu, Jan 29 - Mon, Feb 2

3:50 pm - 5:30 pm

STL

OSL

18h 40m

1 stop

6:05 am - 1:55 pm

OSL

STL

14h 50m

1 stop

$607Lufthansa

Sun, Mar 1 - Sun, Mar 8

3:50 pm - 5:30 pm

STL

OSL

18h 40m

1 stop

4:35 pm - 2:55 pm

OSL

STL

28h 20m

1 stop

$611Lufthansa

Sun, Mar 1 - Tue, Mar 17

4:05 pm - 5:55 pm

STL

OSL

18h 50m

2 stops

3:00 pm - 2:55 pm

OSL

STL

29h 55m

3 stops

$1,050Multiple Airlines

Sun, Mar 1 - Tue, Mar 17

United Airlines flights from St. Louis to Oslo

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

United Airlines

Feb 27

STL9:55 amLambert-St Louis

30h 25m

2 stops

OSL11:20 pmOslo Gardermoen

Mar 6

OSL6:15 amOslo Gardermoen

14h 40m

1 stop

STL1:55 pmLambert-St Louis

$530

United Airlines

Feb 27

STL9:55 amLambert-St Louis

30h 25m

2 stops

OSL11:20 pmOslo Gardermoen

Mar 6

OSL6:10 amOslo Gardermoen

22h 32m

2 stops

STL9:42 pmLambert-St Louis

$533

United Airlines

Jan 29

STL6:30 amLambert-St Louis

27h 40m

2 stops

OSL5:10 pmOslo Gardermoen

Feb 2

OSL2:05 pmOslo Gardermoen

31h 25m

2 stops

STL2:30 pmLambert-St Louis

$599

American Airlines flights from St. Louis to Oslo

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

American Airlines

Jan 16

STL3:54 pmLambert-St Louis

18h 36m

2 stops

OSL5:30 pmOslo Gardermoen

Jan 22

OSL7:05 amOslo Gardermoen

18h 29m

2 stops

STL6:34 pmLambert-St Louis

$661

American Airlines

Jan 17

STL8:13 amLambert-St Louis

19h 17m

3 stops

OSL10:30 amOslo Gardermoen

Jan 19

OSL11:35 amOslo Gardermoen

18h 37m

2 stops

STL11:12 pmLambert-St Louis

$715

American Airlines

Jul 6

STL2:11 pmLambert-St Louis

19h 24m

2 stops

OSL4:35 pmOslo Gardermoen

Jul 18

OSL8:20 amOslo Gardermoen

19h 06m

2 stops

STL8:26 pmLambert-St Louis

$938

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

11:46 am-8:10 pm

2 stops25h 24m

Oslo Gardermoen

Tue 3/17

8:50 pm-11:58 pm

2 stops33h 08m

$470

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

9:20 am-10:40 pm

2 stops30h 20m

Oslo Gardermoen

Sun 3/8

3:05 pm-11:48 pm

2 stops38h 43m

$489

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

4:05 pm-12:55 pm

2 stops37h 50m

Oslo Gardermoen

Tue 3/17

4:35 pm-2:55 pm

1 stop28h 20m

$504

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

4:05 pm-12:10 pm

2 stops37h 05m

Oslo Gardermoen

Sun 3/8

6:05 am-1:55 pm

1 stop14h 50m

$508

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/27

9:55 am-11:20 pm

2 stops30h 25m

Oslo Gardermoen

Fri 3/6

6:15 am-1:55 pm

1 stop14h 40m

$530

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/27

9:55 am-11:20 pm

2 stops30h 25m

Oslo Gardermoen

Fri 3/6

6:10 am-9:42 pm

2 stops22h 32m

$533

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 1/29

6:30 am-5:10 pm

2 stops27h 40m

Oslo Gardermoen

Mon 2/2

2:05 pm-2:30 pm

2 stops31h 25m

$599

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

Sun 3/8

6:05 am-1:55 pm

1 stop14h 50m

$607

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

Tue 3/17

4:35 pm-2:55 pm

1 stop28h 20m

$611

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 3/1

4:05 pm-5:55 pm

2 stops18h 50m

Oslo Gardermoen

Tue 3/17

3:00 pm-2:55 pm

3 stops29h 55m

$1,050

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 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 16m
Direct flights	None

The fastest flight from St. Louis to Oslo takes 15h 16m

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 16m.
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 7,717 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,049 reviews	Search Delta flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,622 reviews	Search Air Canada flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,164 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.