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 29% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 5 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 5 as of December 2025.

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.

$525 Cheap Flights from St. Louis to Oslo in 2025/26

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 $660 to $1,479. The lowest price recently found on this route was $525.

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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.

8:30 am - 11:00 am

STL

OSL

19h 30m2 stops

6:15 am - 7:27 pm

OSL

STL

20h 12m2 stops

$525United Airlines

Sat, Jan 24 - Sat, Jan 31

8:30 am - 5:10 pm

STL

OSL

25h 40m2 stops

6:05 am - 9:00 pm

OSL

STL

21h 55m2 stops

$526United Airlines

Sat, Feb 14 - Sun, Feb 22

3:50 pm - 3:40 pm

STL

OSL

16h 50m1 stop

6:15 am - 3:15 pm

OSL

STL

40h 00m2 stops

$529United Airlines

Fri, Jan 30 - Tue, Feb 3

3:50 pm - 1:05 pm

STL

OSL

14h 15m1 stop

6:15 am - 2:30 pm

OSL

STL

39h 15m2 stops

$532United Airlines

Fri, Jan 30 - Tue, Feb 3

11:55 am - 2:05 pm

STL

TRF

19h 10m2 stops

2:35 pm - 11:36 pm

TRF

STL

40h 01m2 stops

$535Scandinavian Airlines

Sat, Feb 14 - Sun, Feb 22

11:55 am - 2:05 pm

STL

TRF

19h 10m2 stops

2:35 pm - 11:36 pm

TRF

STL

40h 01m2 stops

$536Scandinavian Airlines

Sat, Feb 14 - Sun, Feb 22

10:00 pm - 11:40 pm

STL

OSL

18h 40m1 stop

7:40 am - 7:30 pm

OSL

STL

18h 50m1 stop

$585British Airways

Sun, May 3 - Wed, May 13

10:00 pm - 11:40 pm

STL

OSL

18h 40m1 stop

7:25 pm - 7:30 pm

OSL

STL

31h 05m1 stop

$590British Airways

Sun, May 3 - Tue, May 12

3:30 pm - 3:05 pm

STL

TRF

40h 35m2 stops

3:30 pm - 1:30 pm

TRF

STL

29h 00m2 stops

$756Lufthansa

Fri, May 1 - Tue, May 12

3:30 pm - 6:35 pm

STL

TRF

20h 05m2 stops

3:30 pm - 1:30 pm

TRF

STL

29h 00m2 stops

$761Lufthansa

Fri, May 1 - Tue, May 12

United Airlines flights from St. Louis to Oslo

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

United Airlines

Jan 24

STL8:30 amLambert-St Louis

19h 30m

2 stops

OSL11:00 amOslo Gardermoen

Jan 31

OSL6:15 amOslo Gardermoen

20h 12m

2 stops

STL7:27 pmLambert-St Louis

$525

Find similar

United Airlines

Feb 14

STL8:30 amLambert-St Louis

25h 40m

2 stops

OSL5:10 pmOslo Gardermoen

Feb 22

OSL6:05 amOslo Gardermoen

21h 55m

2 stops

STL9:00 pmLambert-St Louis

$526

Find similar

United Airlines

Jan 30

STL3:50 pmLambert-St Louis

16h 50m

1 stop

OSL3:40 pmOslo Gardermoen

Feb 3

OSL6:15 amOslo Gardermoen

40h 00m

2 stops

STL3:15 pmLambert-St Louis

$529

Find similar

British Airways flights from St. Louis to Oslo

Our best British Airways deals on St. Louis to Oslo flight tickets

British Airways

May 3

STL10:00 pmLambert-St Louis

18h 40m

1 stop

OSL11:40 pmOslo Gardermoen

May 13

OSL7:40 amOslo Gardermoen

18h 50m

1 stop

STL7:30 pmLambert-St Louis

$585

Find similar

British Airways

May 3

STL10:00 pmLambert-St Louis

18h 40m

1 stop

OSL11:40 pmOslo Gardermoen

May 12

OSL7:25 pmOslo Gardermoen

31h 05m

1 stop

STL7:30 pmLambert-St Louis

$590

Find similar

British Airways

May 1

STL10:00 pmLambert-St Louis

17h 30m

1 stop

OSL10:30 pmOslo Gardermoen

May 12

OSL11:15 amOslo Gardermoen

15h 15m

1 stop

STL7:30 pmLambert-St Louis

$635

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 1/24

8:30 am-11:00 am

2 stops19h 30m

Oslo Gardermoen

Sat 1/31

6:15 am-7:27 pm

2 stops20h 12m

$525

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

8:30 am-5:10 pm

2 stops25h 40m

Oslo Gardermoen

Sun 2/22

6:05 am-9:00 pm

2 stops21h 55m

$526

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/30

3:50 pm-3:40 pm

1 stop16h 50m

Oslo Gardermoen

Tue 2/3

6:15 am-3:15 pm

2 stops40h 00m

$529

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/30

3:50 pm-1:05 pm

1 stop14h 15m

Oslo Gardermoen

Tue 2/3

6:15 am-2:30 pm

2 stops39h 15m

$532

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Sat 2/14

11:55 am-2:05 pm

2 stops19h 10m

Oslo Sandefjord

Sun 2/22

2:35 pm-11:36 pm

2 stops40h 01m

$535

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Sat 2/14

11:55 am-2:05 pm

2 stops19h 10m

Oslo Sandefjord

Sun 2/22

2:35 pm-11:36 pm

2 stops40h 01m

$536

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

10:00 pm-11:40 pm

1 stop18h 40m

Oslo Gardermoen

Wed 5/13

7:40 am-7:30 pm

1 stop18h 50m

$585

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 5/3

10:00 pm-11:40 pm

1 stop18h 40m

Oslo Gardermoen

Tue 5/12

7:25 pm-7:30 pm

1 stop31h 05m

$590

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Fri 5/1

3:30 pm-3:05 pm

2 stops40h 35m

Oslo Sandefjord

Tue 5/12

3:30 pm-1:30 pm

2 stops29h 00m

$756

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Fri 5/1

3:30 pm-6:35 pm

2 stops20h 05m

Oslo Sandefjord

Tue 5/12

3:30 pm-1:30 pm

2 stops29h 00m

$761

Flights are sorted by cheapest round-trip flights first.

Sorted 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 March is your next best option. Flight prices from St. Louis to Oslo during March average around $649.

What is the cheapest day to depart on your flight to Oslo?

The cheapest day to depart on your flight to Oslo is on a Sunday when prices can be found for as low as $700. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Oslo for around $1,555.

What is the cheapest time of day to depart on your flight to Oslo?

Flying to Oslo from St. Louis at noon is the least expensive time of day to depart. momondo users have found prices as low as $928 when looking at flights departing at noon. Try not to purchase tickets in the evening because they tend to be around $1,471. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 08m
Direct flights	None

The fastest flight from St. Louis to Oslo takes 16h 08m

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 08m.
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 5 as of December 2025.
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 7,626 reviews	Search Lufthansa flights
American Airlines	PriceFrom $586	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,514 reviews	Search Air Canada flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,094 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.