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

Aer Lingus, Lufthansa, and British Airways are the most popular carriers operating from Lambert-St Louis to Oslo

What airlines fly to Oslo?

Lufthansa, KLM 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 38% 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 September 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.

$445 Cheap Flights from St. Louis to Oslo in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

1:29 pm - 10:55 amSTL Lambert-St Louis-OSL Oslo Gardermoen

14h 26m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

1:55 pm - 3:26 pmOSL Oslo Gardermoen-STL Lambert-St Louis

32h 31m2 stops Frankfurt am Main Toronto Pearson Intl

$575Multiple Airlines

Mon, Oct 19 - Wed, Nov 4

1:29 pm - 10:55 amSTL Lambert-St Louis-OSL Oslo Gardermoen

14h 26m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$599Lufthansa

Mon, Oct 19 - Wed, Nov 4

5:27 pm - 4:20 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 53m2 stops Chicago O'Hare Intl London Heathrow

11:55 am - 11:59 pmOSL Oslo Gardermoen-STL Lambert-St Louis

19h 04m2 stops London Heathrow Chicago O'Hare Intl

$604American Airlines

Mon, Oct 19 - Wed, Nov 4

1:20 pm - 10:35 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

26h 15m2 stops Chicago O'Hare Intl London Heathrow

6:50 am - 11:59 pmOSL Oslo Gardermoen-STL Lambert-St Louis

24h 09m2 stops London Heathrow Chicago O'Hare Intl

$610British Airways

Wed, Dec 2 - Wed, Dec 9

3:30 pm - 12:20 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

13h 50m1 stop Frankfurt am Main

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$625Lufthansa

Mon, Oct 19 - Wed, Nov 4

11:32 am - 2:15 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

20h 43m2 stops Chicago O'Hare Intl Madrid Barajas

2:55 pm - 6:17 pmOSL Oslo Gardermoen-STL Lambert-St Louis

34h 22m2 stops Madrid Barajas Chicago O'Hare Intl

$632Iberia

Tue, Oct 27 - Tue, Nov 3

3:11 pm - 5:15 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

19h 04m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$640United Airlines

Mon, Oct 19 - Wed, Nov 4

3:30 pm - 12:20 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

13h 50m1 stop Frankfurt am Main

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$659United Airlines

Mon, Oct 19 - Wed, Nov 4

5:37 pm - 7:40 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

19h 03m2 stops Chicago O'Hare Intl London Heathrow

3:10 pm - 11:33 pmOSL Oslo Gardermoen-STL Lambert-St Louis

39h 23m2 stops London Heathrow Dallas/Fort Worth

$721British Airways

Sat, Jan 16 - Fri, Jan 22

3:40 pm - 3:45 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

17h 05m1 stop Frankfurt am Main

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$909Lufthansa

Wed, Dec 2 - Wed, Dec 9

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British Airways flights from St. Louis to Oslo

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

British Airways

Dec 2

STL1:20 pmLambert-St Louis

26h 15m

2 stops

OSL10:35 pmOslo Gardermoen

Dec 9

OSL6:50 amOslo Gardermoen

24h 09m

2 stops

STL11:59 pmLambert-St Louis

$610

British Airways

Jan 16

STL5:37 pmLambert-St Louis

19h 03m

2 stops

OSL7:40 pmOslo Gardermoen

Jan 22

OSL3:10 pmOslo Gardermoen

39h 23m

2 stops

STL11:33 pmLambert-St Louis

$721

British Airways

Nov 9

STL8:15 pmLambert-St Louis

34h 55m

2 stops

OSL2:10 pmOslo Gardermoen

Nov 14

OSL11:45 amOslo Gardermoen

17h 39m

2 stops

STL10:24 pmLambert-St Louis

$10,771

American Airlines flights from St. Louis to Oslo

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

American Airlines

Oct 19

STL5:27 pmLambert-St Louis

15h 53m

2 stops

OSL4:20 pmOslo Gardermoen

Nov 4

OSL11:55 amOslo Gardermoen

19h 04m

2 stops

STL11:59 pmLambert-St Louis

$604

American Airlines

Oct 26

STL12:49 pmLambert-St Louis

21h 11m

2 stops

OSL4:00 pmOslo Gardermoen

Nov 2

OSL11:55 amOslo Gardermoen

19h 04m

2 stops

STL11:59 pmLambert-St Louis

$666

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Mon 10/19

1:29 pm-10:55 am

2 stops14h 26m

Oslo Gardermoen

Wed 11/4

1:55 pm-3:26 pm

2 stops32h 31m

$575

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Mon 10/19

1:29 pm-10:55 am

2 stops14h 26m

Oslo Gardermoen

Wed 11/4

6:15 am-1:45 pm

1 stop14h 30m

$599

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Mon 10/19

5:27 pm-4:20 pm

2 stops15h 53m

Oslo Gardermoen

Wed 11/4

11:55 am-11:59 pm

2 stops19h 04m

$604

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Wed 12/2

1:20 pm-10:35 pm

2 stops26h 15m

Oslo Gardermoen

Wed 12/9

6:50 am-11:59 pm

2 stops24h 09m

$610

Quickest round-trip

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Mon 10/19

3:30 pm-12:20 pm

1 stop13h 50m

Oslo Gardermoen

Wed 11/4

6:15 am-1:45 pm

1 stop14h 30m

$625

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Tue 10/27

11:32 am-2:15 pm

2 stops20h 43m

Oslo Gardermoen

Tue 11/3

2:55 pm-6:17 pm

2 stops34h 22m

$632

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Mon 10/19

3:11 pm-5:15 pm

2 stops19h 04m

Oslo Gardermoen

Wed 11/4

6:15 am-1:45 pm

1 stop14h 30m

$640

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Mon 10/19

3:30 pm-12:20 pm

1 stop13h 50m

Oslo Gardermoen

Wed 11/4

6:15 am-1:45 pm

1 stop14h 30m

$659

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Sat 1/16

5:37 pm-7:40 pm

2 stops19h 03m

Oslo Gardermoen

Fri 1/22

3:10 pm-11:33 pm

2 stops39h 23m

$721

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Wed 12/2

3:40 pm-3:45 pm

1 stop17h 05m

Oslo Gardermoen

Wed 12/9

6:15 am-1:45 pm

1 stop14h 30m

$909

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 cheapest month to fly to Oslo?

The month of October is, on average, the cheapest month to fly to Oslo from St. Louis, with most prices found around $0. If you’re not able to fly to Oslo in October, then April is your next best option. Flight prices from St. Louis to Oslo during April average around $593.

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

Best Price Found	$445
Fastest flight time	14h 26m
Direct flights	None

The best one-way flight to Oslo from St. Louis in the past 72 hours is $445. The best round-trip flight deal from St. Louis to Oslo found on momondo in the last 72 hours is $575.

The fastest flight from St. Louis to Oslo takes 14h 26m

There are no direct flights from St. Louis to Oslo. There are no popular flight routes from St. Louis to Oslo.

Search flight deals

Frequently asked questions about flying from St. Louis to Oslo

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 26m.
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 September 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
United Airlines	PriceFrom $542	Free Cancellation	Rating 7.4 10,209 reviews	Search United Airlines flights
Lufthansa	PriceFrom $581	Free Cancellation	Rating 6.8 8,220 reviews	Search Lufthansa flights
British Airways	PriceFrom $656	Free Cancellation	Rating 6.7 8,221 reviews	Search British Airways flights
KLM	PriceFrom $685	Free Cancellation	Rating 7.8 1,580 reviews	Search KLM 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.

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Cheap flights from St. Louis to Oslo from $445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Oslo departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from St. Louis to Oslo

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

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How to get the cheapest flight ticket from St. Louis to Oslo

What is the cheapest month to fly to Oslo?

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

What airlines fly to Oslo?

Cheap St. Louis to Oslo flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Oslo

Best airlines flying from St. Louis to Oslo

Compare and see reviews for airlines that fly from St. Louis to Oslo with momondo

Why use momondo?

An easier way to manage your Oslo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo

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