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.

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

Air Canada is the most popular carrier 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 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.

$466 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 $1,489. The lowest price recently found on this route was $466.

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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.

3:50 pm - 1:05 pmSTL-OSL

14h 15m1 stop

6:15 am - 7:27 pmOSL-STL

20h 12m2 stops

$466Lufthansa

Find Deal

Fri, Jan 16 - Fri, Jan 23

3:50 pm - 3:40 pmSTL-OSL

16h 50m1 stop

6:15 am - 1:55 pmOSL-STL

14h 40m1 stop

$476Lufthansa

Find Deal

Fri, Jan 16 - Fri, Jan 23

6:00 am - 8:10 pmSTL-OSL

31h 10m2 stops

8:15 am - 10:59 pmOSL-STL

21h 44m2 stops

$501Multiple Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 23

11:25 am - 10:10 pmSTL-OSL

27h 45m2 stops

6:35 am - 1:30 pmOSL-STL

13h 55m1 stop

$505United Airlines

Find Deal

Tue, Apr 21 - Fri, May 1

12:00 pm - 1:50 pmSTL-OSL

18h 50m2 stops

6:25 am - 4:37 pmOSL-STL

17h 12m2 stops

$511Delta

Find Deal

Fri, Feb 6 - Tue, Feb 10

6:30 am - 1:05 pmSTL-OSL

23h 35m2 stops

6:15 am - 3:29 pmOSL-STL

40h 14m2 stops

$531United Airlines

Find Deal

Fri, Feb 6 - Tue, Feb 10

8:30 am - 5:10 pmSTL-OSL

25h 40m2 stops

1:50 pm - 8:26 pmOSL-STL

37h 36m2 stops

$545United Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

4:05 pm - 1:05 pmSTL-OSL

38h 00m2 stops

6:25 pm - 10:59 pmOSL-STL

35h 34m2 stops

$550Multiple Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

11:55 am - 2:05 pmSTL-TRF

19h 10m2 stops

2:35 pm - 11:36 pmTRF-STL

40h 01m2 stops

$754Scandinavian Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

10:11 am - 2:05 pmSTL-TRF

20h 54m2 stops

2:35 pm - 11:36 pmTRF-STL

40h 01m2 stops

$755Scandinavian Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

Lufthansa flights from St. Louis to Oslo

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

Lufthansa

Jan 16

STL3:50 pmLambert-St Louis

14h 15m

1 stop

OSL1:05 pmOslo Gardermoen

Jan 23

OSL6:15 amOslo Gardermoen

20h 12m

2 stops

STL7:27 pmLambert-St Louis

$466

Find similar

Lufthansa

Jan 16

STL3:50 pmLambert-St Louis

16h 50m

1 stop

OSL3:40 pmOslo Gardermoen

Jan 23

OSL6:15 amOslo Gardermoen

14h 40m

1 stop

STL1:55 pmLambert-St Louis

$476

Find similar

Lufthansa

Dec 4

STL12:55 pmLambert-St Louis

21h 45m

2 stops

OSL5:40 pmOslo Gardermoen

Dec 6

OSL6:25 pmOslo Gardermoen

26h 30m

2 stops

STL1:55 pmLambert-St Louis

$728

Find similar

United Airlines flights from St. Louis to Oslo

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

United Airlines

Apr 21

STL11:25 amLambert-St Louis

27h 45m

2 stops

OSL10:10 pmOslo Gardermoen

May 1

OSL6:35 amOslo Gardermoen

13h 55m

1 stop

STL1:30 pmLambert-St Louis

$505

Find similar

United Airlines

Feb 6

STL6:30 amLambert-St Louis

23h 35m

2 stops

OSL1:05 pmOslo Gardermoen

Feb 10

OSL6:15 amOslo Gardermoen

40h 14m

2 stops

STL3:29 pmLambert-St Louis

$531

Find similar

United Airlines

Feb 14

STL8:30 amLambert-St Louis

25h 40m

2 stops

OSL5:10 pmOslo Gardermoen

Feb 22

OSL1:50 pmOslo Gardermoen

37h 36m

2 stops

STL8:26 pmLambert-St Louis

$545

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/16

3:50 pm-1:05 pm

1 stop14h 15m

Oslo Gardermoen

Fri 1/23

6:15 am-7:27 pm

2 stops20h 12m

$466

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/16

3:50 pm-3:40 pm

1 stop16h 50m

Oslo Gardermoen

Fri 1/23

6:15 am-1:55 pm

1 stop14h 40m

$476

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 1/16

6:00 am-8:10 pm

2 stops31h 10m

Oslo Gardermoen

Fri 1/23

8:15 am-10:59 pm

2 stops21h 44m

$501

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 4/21

11:25 am-10:10 pm

2 stops27h 45m

Oslo Gardermoen

Fri 5/1

6:35 am-1:30 pm

1 stop13h 55m

$505

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/6

12:00 pm-1:50 pm

2 stops18h 50m

Oslo Gardermoen

Tue 2/10

6:25 am-4:37 pm

2 stops17h 12m

$511

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/6

6:30 am-1:05 pm

2 stops23h 35m

Oslo Gardermoen

Tue 2/10

6:15 am-3:29 pm

2 stops40h 14m

$531

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

1:50 pm-8:26 pm

2 stops37h 36m

$545

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

4:05 pm-1:05 pm

2 stops38h 00m

Oslo Gardermoen

Sun 2/22

6:25 pm-10:59 pm

2 stops35h 34m

$550

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

$754

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Sat 2/14

10:11 am-2:05 pm

2 stops20h 54m

Oslo Sandefjord

Sun 2/22

2:35 pm-11:36 pm

2 stops40h 01m

$755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 March is, on average, the cheapest month to fly to Oslo from St. Louis, with most prices found around $649. If you’re not able to fly to Oslo in March, then April is your next best option. Flight prices from St. Louis to Oslo during April average around $685.

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	13h 50m
Direct flights	None

The fastest flight from St. Louis to Oslo takes 13h 50m

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 14h 15m.
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 7,611 reviews	Search Lufthansa flights
American Airlines	PriceFrom $586	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,498 reviews	Search Air Canada flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,065 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.