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

British Airways and KLM 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.

$515 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 $876. The lowest price recently found on this route was $552.

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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.

6:08 pm - 10:40 pm

STL

OSL

22h 32m

2 stops

7:45 am - 11:02 pm

OSL

STL

22h 17m

2 stops

$552British Airways

mar., mar. 24 - mar., mar. 31

7:00 pm - 5:40 pm

STL

OSL

16h 40m

2 stops

7:00 pm - 1:25 pm

OSL

STL

25h 25m

1 stop

$577Lufthansa

mar., mar. 24 - mar., mar. 31

10:10 am - 11:40 pm

STL

OSL

30h 30m

2 stops

2:05 pm - 10:14 pm

OSL

STL

39h 09m

2 stops

$713United Airlines

jue., feb. 19 - lun., feb. 23

8:30 am - 11:00 am

STL

OSL

19h 30m

2 stops

2:05 pm - 10:59 pm

OSL

STL

15h 54m

2 stops

$758Lufthansa

jue., feb. 19 - lun., feb. 23

7:30 am - 1:15 pm

STL

OSL

22h 45m

2 stops

4:45 pm - 1:25 pm

OSL

STL

27h 40m

1 stop

$921Multiple Airlines

dom., may. 31 - sáb., jun. 6

2:11 pm - 11:40 pm

STL

OSL

26h 29m

2 stops

5:10 pm - 11:42 pm

OSL

STL

37h 32m

2 stops

$930British Airways

dom., may. 31 - sáb., jun. 6

3:30 pm - 6:25 pm

STL

OSL

19h 55m

1 stop

5:10 pm - 7:30 pm

OSL

STL

33h 20m

1 stop

$936Multiple Airlines

dom., jul. 5 - sáb., jul. 11

3:30 pm - 3:35 pm

STL

OSL

17h 05m

1 stop

2:10 pm - 11:42 pm

OSL

STL

40h 32m

2 stops

$968Multiple Airlines

dom., jul. 5 - sáb., jul. 11

9:35 pm - 4:20 pm

STL

OSL

11h 45m

1 stop

11:35 am - 7:30 pm

OSL

STL

14h 55m

1 stop

$985British Airways

vie., jun. 26 - mié., jul. 15

1:30 pm - 2:30 pm

STL

TRF

18h 00m

2 stops

6:00 am - 11:38 pm

TRF

STL

24h 38m

2 stops

$2,237Scandinavian Airlines

dom., may. 31 - sáb., jun. 6

American Airlines flights from St. Louis to Oslo

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

American Airlines

Jun 26

STL2:11 pmLambert-St Louis

19h 24m

2 stops

OSL4:35 pmOslo Gardermoen

Jul 15

OSL7:45 amOslo Gardermoen

19h 01m

2 stops

STL7:46 pmLambert-St Louis

$1,060

American Airlines

Jan 30

STL9:54 amLambert-St Louis

17h 36m

3 stops

OSL10:30 amOslo Gardermoen

Feb 1

OSL8:45 amOslo Gardermoen

17h 44m

2 stops

STL7:29 pmLambert-St Louis

$5,069

British Airways flights from St. Louis to Oslo

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

British Airways

Mar 24

STL6:08 pmLambert-St Louis

22h 32m

2 stops

OSL10:40 pmOslo Gardermoen

Mar 31

OSL7:45 amOslo Gardermoen

22h 17m

2 stops

STL11:02 pmLambert-St Louis

$552

British Airways

May 31

STL2:11 pmLambert-St Louis

26h 29m

2 stops

OSL11:40 pmOslo Gardermoen

Jun 6

OSL5:10 pmOslo Gardermoen

37h 32m

2 stops

STL11:42 pmLambert-St Louis

$930

British Airways

Jun 26

STL9:35 pmLambert-St Louis

11h 45m

1 stop

OSL4:20 pmOslo Gardermoen

Jul 15

OSL11:35 amOslo Gardermoen

14h 55m

1 stop

STL7:30 pmLambert-St Louis

$985

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

mar. 3/24

6:08 pm-10:40 pm

2 stops22h 32m

Oslo Gardermoen

mar. 3/31

7:45 am-11:02 pm

2 stops22h 17m

$552

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

mar. 3/24

7:00 pm-5:40 pm

2 stops16h 40m

Oslo Gardermoen

mar. 3/31

7:00 pm-1:25 pm

1 stop25h 25m

$577

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

jue. 2/19

10:10 am-11:40 pm

2 stops30h 30m

Oslo Gardermoen

lun. 2/23

2:05 pm-10:14 pm

2 stops39h 09m

$713

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

jue. 2/19

8:30 am-11:00 am

2 stops19h 30m

Oslo Gardermoen

lun. 2/23

2:05 pm-10:59 pm

2 stops15h 54m

$758

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 5/31

7:30 am-1:15 pm

2 stops22h 45m

Oslo Gardermoen

sáb. 6/6

4:45 pm-1:25 pm

1 stop27h 40m

$921

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 5/31

2:11 pm-11:40 pm

2 stops26h 29m

Oslo Gardermoen

sáb. 6/6

5:10 pm-11:42 pm

2 stops37h 32m

$930

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 7/5

3:30 pm-6:25 pm

1 stop19h 55m

Oslo Gardermoen

sáb. 7/11

5:10 pm-7:30 pm

1 stop33h 20m

$936

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 7/5

3:30 pm-3:35 pm

1 stop17h 05m

Oslo Gardermoen

sáb. 7/11

2:10 pm-11:42 pm

2 stops40h 32m

$968

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 6/26

9:35 pm-4:20 pm

1 stop11h 45m

Oslo Gardermoen

mié. 7/15

11:35 am-7:30 pm

1 stop14h 55m

$985

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

dom. 5/31

1:30 pm-2:30 pm

2 stops18h 00m

Oslo Sandefjord

sáb. 6/6

6:00 am-11:38 pm

2 stops24h 38m

$2,237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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	11h 45m
Direct flights	None

The fastest flight from St. Louis to Oslo takes 11h 45m

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 11h 45m.
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 7,754 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
British Airways	PriceFrom $660	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,215 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.