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.

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.

$505 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:46 am - 8:10 pm

STL

OSL

25h 24m2 stops

8:15 am - 10:58 pm

OSL

STL

21h 43m2 stops

$505Multiple Airlines

Fri, Feb 20 - Fri, Feb 27

2:00 pm - 10:55 am

STL

OSL

13h 55m2 stops

11:50 am - 11:48 pm

OSL

STL

18h 58m2 stops

$514British Airways

Wed, Feb 18 - Wed, Feb 25

2:54 pm - 2:15 pm

STL

OSL

16h 21m2 stops

2:40 pm - 8:13 pm

OSL

STL

36h 33m2 stops

$656British Airways

Thu, Jan 29 - Mon, Feb 2

8:30 am - 11:00 am

STL

OSL

19h 30m2 stops

11:50 am - 10:58 pm

OSL

STL

42h 08m2 stops

$697United Airlines

Thu, Jan 29 - Mon, Feb 2

10:00 pm - 10:40 am

STL

OSL

29h 40m1 stop

8:30 pm - 11:42 pm

OSL

STL

34h 12m2 stops

$881British Airways

Tue, Jun 23 - Mon, Jun 29

7:25 am - 12:00 pm

STL

OSL

21h 35m2 stops

7:45 am - 7:46 pm

OSL

STL

19h 01m2 stops

$887Multiple Airlines

Wed, Jun 24 - Tue, Jun 30

10:00 pm - 7:50 am

STL

OSL

26h 50m2 stops

8:30 pm - 11:42 pm

OSL

STL

34h 12m2 stops

$894Multiple Airlines

Tue, Jun 23 - Mon, Jun 29

2:11 pm - 7:15 pm

STL

OSL

22h 04m2 stops

7:25 pm - 7:30 pm

OSL

STL

31h 05m1 stop

$958British Airways

Wed, Jun 24 - Tue, Jun 30

10:00 pm - 10:30 pm

STL

OSL

17h 30m1 stop

7:40 am - 7:30 pm

OSL

STL

18h 50m1 stop

$983British Airways

Fri, Jun 26 - Wed, Jul 15

3:30 pm - 9:10 pm

STL

TRF

22h 40m2 stops

3:30 pm - 1:25 pm

TRF

STL

28h 55m2 stops

$1,119Lufthansa

Wed, Jun 24 - Tue, Jun 30

British Airways flights from St. Louis to Oslo

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

British Airways

Feb 18

STL2:00 pmLambert-St Louis

13h 55m

2 stops

OSL10:55 amOslo Gardermoen

Feb 25

OSL11:50 amOslo Gardermoen

18h 58m

2 stops

STL11:48 pmLambert-St Louis

$514

Find similar

British Airways

Jan 29

STL2:54 pmLambert-St Louis

16h 21m

2 stops

OSL2:15 pmOslo Gardermoen

Feb 2

OSL2:40 pmOslo Gardermoen

36h 33m

2 stops

STL8:13 pmLambert-St Louis

$656

Find similar

British Airways

Jun 23

STL10:00 pmLambert-St Louis

29h 40m

1 stop

OSL10:40 amOslo Gardermoen

Jun 29

OSL8:30 pmOslo Gardermoen

34h 12m

2 stops

STL11:42 pmLambert-St Louis

$881

Find similar

Aer Lingus flights from St. Louis to Oslo

Our best Aer Lingus deals on St. Louis to Oslo flight tickets

Aer Lingus

Jun 19

STL6:20 amLambert-St Louis

24h 10m

2 stops

OSL1:30 pmOslo Gardermoen

Jul 4

OSL2:10 pmOslo Gardermoen

16h 32m

2 stops

STL11:42 pmLambert-St Louis

$1,100

Find similar

Aer Lingus

Jun 24

STL6:20 amLambert-St Louis

24h 10m

2 stops

OSL1:30 pmOslo Gardermoen

Jun 30

OSL2:10 pmOslo Gardermoen

36h 20m

2 stops

STL7:30 pmLambert-St Louis

$4,269

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 2/20

11:46 am-8:10 pm

2 stops25h 24m

Oslo Gardermoen

Fri 2/27

8:15 am-10:58 pm

2 stops21h 43m

$505

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 2/18

2:00 pm-10:55 am

2 stops13h 55m

Oslo Gardermoen

Wed 2/25

11:50 am-11:48 pm

2 stops18h 58m

$514

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 1/29

2:54 pm-2:15 pm

2 stops16h 21m

Oslo Gardermoen

Mon 2/2

2:40 pm-8:13 pm

2 stops36h 33m

$656

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Thu 1/29

8:30 am-11:00 am

2 stops19h 30m

Oslo Gardermoen

Mon 2/2

11:50 am-10:58 pm

2 stops42h 08m

$697

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 6/23

10:00 pm-10:40 am

1 stop29h 40m

Oslo Gardermoen

Mon 6/29

8:30 pm-11:42 pm

2 stops34h 12m

$881

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 6/24

7:25 am-12:00 pm

2 stops21h 35m

Oslo Gardermoen

Tue 6/30

7:45 am-7:46 pm

2 stops19h 01m

$887

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 6/23

10:00 pm-7:50 am

2 stops26h 50m

Oslo Gardermoen

Mon 6/29

8:30 pm-11:42 pm

2 stops34h 12m

$894

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 6/24

2:11 pm-7:15 pm

2 stops22h 04m

Oslo Gardermoen

Tue 6/30

7:25 pm-7:30 pm

1 stop31h 05m

$958

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Fri 6/26

10:00 pm-10:30 pm

1 stop17h 30m

Oslo Gardermoen

Wed 7/15

7:40 am-7:30 pm

1 stop18h 50m

$983

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Wed 6/24

3:30 pm-9:10 pm

2 stops22h 40m

Oslo Sandefjord

Tue 6/30

3:30 pm-1:25 pm

2 stops28h 55m

$1,119

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 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	13h 55m
Direct flights	None

The fastest flight from St. Louis to Oslo takes 13h 55m

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 13h 55m.
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 7,683 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,018 reviews	Search Delta flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,597 reviews	Search Air Canada flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,132 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.