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 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 November 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.

$515 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 $751 to $1,613. The lowest price recently found on this route was $515.

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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.

10:45 am - 1:50 pmSTL-OSL

20h 05m2 stops

6:30 am - 9:57 pmOSL-STL

22h 27m2 stops

$515Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

1:35 pm - 5:40 pmSTL-OSL

21h 05m2 stops

9:35 am - 3:40 pmOSL-STL

37h 05m2 stops

$521United Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

2:07 pm - 4:20 pmSTL-OSL

19h 13m2 stops

12:40 pm - 5:56 pmOSL-STL

36h 16m2 stops

$523Delta

Find Deal

Wed, Dec 3 - Sun, Dec 7

12:15 pm - 5:10 pmSTL-OSL

21h 55m2 stops

9:35 am - 10:59 pmOSL-STL

20h 24m2 stops

$524United Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

10:45 am - 8:40 amSTL-OSL

14h 55m2 stops

9:25 am - 4:35 pmOSL-STL

38h 10m2 stops

$529Delta

Find Deal

Wed, Dec 3 - Sun, Dec 7

4:00 pm - 12:55 pmSTL-OSL

13h 55m2 stops

7:20 pm - 8:49 pmOSL-STL

32h 29m2 stops

$533Scandinavian Airlines

Find Deal

Sat, Apr 18 - Mon, Apr 20

4:00 pm - 2:30 pmSTL-TRF

15h 30m2 stops

3:05 pm - 8:49 pmTRF-STL

36h 44m2 stops

$565Scandinavian Airlines

Find Deal

Sat, Apr 18 - Mon, Apr 20

6:45 pm - 5:40 pmSTL-OSL

15h 55m2 stops

6:15 am - 1:55 pmOSL-STL

14h 40m1 stop

$585Lufthansa

Find Deal

Mon, Mar 2 - Fri, Mar 6

6:45 pm - 5:40 pmSTL-OSL

15h 55m2 stops

6:15 am - 11:50 pmOSL-STL

24h 35m2 stops

$595Lufthansa

Find Deal

Mon, Mar 2 - Fri, Mar 6

6:29 pm - 4:35 pmSTL-OSL

15h 06m2 stops

12:50 pm - 9:48 pmOSL-STL

15h 58m2 stops

$659American Airlines

Find Deal

Sun, Apr 5 - Sun, Apr 12

Delta flights from St. Louis to Oslo

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

Delta

Dec 2

STL10:45 amLambert-St Louis

20h 05m

2 stops

OSL1:50 pmOslo Gardermoen

Dec 9

OSL6:30 amOslo Gardermoen

22h 27m

2 stops

STL9:57 pmLambert-St Louis

$515

Find similar

Delta

Dec 3

STL2:07 pmLambert-St Louis

19h 13m

2 stops

OSL4:20 pmOslo Gardermoen

Dec 7

OSL12:40 pmOslo Gardermoen

36h 16m

2 stops

STL5:56 pmLambert-St Louis

$523

Find similar

Delta

Dec 3

STL10:45 amLambert-St Louis

14h 55m

2 stops

OSL8:40 amOslo Gardermoen

Dec 7

OSL9:25 amOslo Gardermoen

38h 10m

2 stops

STL4:35 pmLambert-St Louis

$529

Find similar

Lufthansa flights from St. Louis to Oslo

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

Lufthansa

Nov 9

STL3:50 pmLambert-St Louis

14h 15m

1 stop

OSL1:05 pmOslo Gardermoen

Nov 25

OSL6:25 pmOslo Gardermoen

34h 15m

2 stops

STL9:40 pmLambert-St Louis

$563

Find similar

Lufthansa

Nov 9

STL6:43 pmLambert-St Louis

15h 47m

2 stops

OSL5:30 pmOslo Gardermoen

Nov 25

OSL6:25 pmOslo Gardermoen

26h 30m

2 stops

STL1:55 pmLambert-St Louis

$584

Find similar

Lufthansa

Mar 2

STL6:45 pmLambert-St Louis

15h 55m

2 stops

OSL5:40 pmOslo Gardermoen

Mar 6

OSL6:15 amOslo Gardermoen

14h 40m

1 stop

STL1:55 pmLambert-St Louis

$585

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Tue 12/2

10:45 am-1:50 pm

2 stops20h 05m

Oslo Gardermoen

Tue 12/9

6:30 am-9:57 pm

2 stops22h 27m

$515

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

1:35 pm-5:40 pm

2 stops21h 05m

Oslo Gardermoen

Sun 12/7

9:35 am-3:40 pm

2 stops37h 05m

$521

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

2:07 pm-4:20 pm

2 stops19h 13m

Oslo Gardermoen

Sun 12/7

12:40 pm-5:56 pm

2 stops36h 16m

$523

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 2/14

12:15 pm-5:10 pm

2 stops21h 55m

Oslo Gardermoen

Sun 2/22

9:35 am-10:59 pm

2 stops20h 24m

$524

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Wed 12/3

10:45 am-8:40 am

2 stops14h 55m

Oslo Gardermoen

Sun 12/7

9:25 am-4:35 pm

2 stops38h 10m

$529

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sat 4/18

4:00 pm-12:55 pm

2 stops13h 55m

Oslo Gardermoen

Mon 4/20

7:20 pm-8:49 pm

2 stops32h 29m

$533

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Sat 4/18

4:00 pm-2:30 pm

2 stops15h 30m

Oslo Sandefjord

Mon 4/20

3:05 pm-8:49 pm

2 stops36h 44m

$565

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 3/2

6:45 pm-5:40 pm

2 stops15h 55m

Oslo Gardermoen

Fri 3/6

6:15 am-1:55 pm

1 stop14h 40m

$585

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Mon 3/2

6:45 pm-5:40 pm

2 stops15h 55m

Oslo Gardermoen

Fri 3/6

6:15 am-11:50 pm

2 stops24h 35m

$595

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

Sun 4/5

6:29 pm-4:35 pm

2 stops15h 06m

Oslo Gardermoen

Sun 4/12

12:50 pm-9:48 pm

2 stops15h 58m

$659

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 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 January is your next best option. Flight prices from St. Louis to Oslo during January average around $679.

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

Direct flights	None

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 5 as of November 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 7,553 reviews	Search Lufthansa flights
American Airlines	PriceFrom $586	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,404 reviews	Search Air Canada flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,001 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.