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

British Airways, American Airlines, and Air Canada are the most popular carriers operating from Lambert-St Louis to Oslo Gardermoen

What airlines fly to Oslo Gardermoen Airport?

Delta, Lufthansa and United Airlines are the top three most popular airlines that fly to Oslo Gardermoen Airport 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 Gardermoen Airport. Keep in mind that there are 4 different airlines that fly to Oslo Gardermoen Airport 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 Gardermoen Airport?

Prices for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?

The number of operators available for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport is 4 as of January 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Oslo Gardermoen Airport?

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 Gardermoen Airport.

What documentation or ID do you need to fly to Oslo Gardermoen Airport?

The travel and health documents you'll need for your trip to Oslo Gardermoen Airport 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 Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$264 Cheap Flights from St. Louis to Oslo Gardermoen Airport in 2026

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Find the cheapest flights from St. Louis to Oslo

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:46 am - 8:10 pm

STL

OSL

25h 24m

2 stops

8:50 pm - 11:58 pm

OSL

STL

33h 08m

2 stops

$470Finnair

dom., mar. 1 - mar., mar. 17

9:20 am - 10:40 pm

STL

OSL

30h 20m

2 stops

3:05 pm - 11:48 pm

OSL

STL

38h 43m

2 stops

$489British Airways

dom., mar. 1 - dom., mar. 8

4:05 pm - 12:55 pm

STL

OSL

37h 50m

2 stops

4:35 pm - 2:55 pm

OSL

STL

28h 20m

1 stop

$504Multiple Airlines

dom., mar. 1 - mar., mar. 17

4:05 pm - 12:10 pm

STL

OSL

37h 05m

2 stops

6:05 am - 1:55 pm

OSL

STL

14h 50m

1 stop

$508Multiple Airlines

dom., mar. 1 - dom., mar. 8

9:55 am - 11:20 pm

STL

OSL

30h 25m

2 stops

6:15 am - 1:55 pm

OSL

STL

14h 40m

1 stop

$530United Airlines

vie., feb. 27 - vie., mar. 6

9:55 am - 11:20 pm

STL

OSL

30h 25m

2 stops

6:10 am - 9:42 pm

OSL

STL

22h 32m

2 stops

$533United Airlines

vie., feb. 27 - vie., mar. 6

6:30 am - 5:10 pm

STL

OSL

27h 40m

2 stops

2:05 pm - 2:30 pm

OSL

STL

31h 25m

2 stops

$599United Airlines

jue., ene. 29 - lun., feb. 2

3:50 pm - 5:30 pm

STL

OSL

18h 40m

1 stop

6:05 am - 1:55 pm

OSL

STL

14h 50m

1 stop

$607Lufthansa

dom., mar. 1 - dom., mar. 8

3:50 pm - 5:30 pm

STL

OSL

18h 40m

1 stop

4:35 pm - 2:55 pm

OSL

STL

28h 20m

1 stop

$611Lufthansa

dom., mar. 1 - mar., mar. 17

4:05 pm - 5:55 pm

STL

OSL

18h 50m

2 stops

3:00 pm - 2:55 pm

OSL

STL

29h 55m

3 stops

$1,050Multiple Airlines

dom., mar. 1 - mar., mar. 17

United Airlines flights from St. Louis to Oslo Gardermoen Airport

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

United Airlines

Feb 27

STL9:55 amLambert-St Louis

30h 25m

2 stops

OSL11:20 pmOslo Gardermoen

Mar 6

OSL6:15 amOslo Gardermoen

14h 40m

1 stop

STL1:55 pmLambert-St Louis

$530

United Airlines

Feb 27

STL9:55 amLambert-St Louis

30h 25m

2 stops

OSL11:20 pmOslo Gardermoen

Mar 6

OSL6:10 amOslo Gardermoen

22h 32m

2 stops

STL9:42 pmLambert-St Louis

$533

United Airlines

Jan 29

STL6:30 amLambert-St Louis

27h 40m

2 stops

OSL5:10 pmOslo Gardermoen

Feb 2

OSL2:05 pmOslo Gardermoen

31h 25m

2 stops

STL2:30 pmLambert-St Louis

$599

American Airlines flights from St. Louis to Oslo Gardermoen Airport

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

American Airlines

Jan 16

STL3:54 pmLambert-St Louis

18h 36m

2 stops

OSL5:30 pmOslo Gardermoen

Jan 22

OSL7:05 amOslo Gardermoen

18h 29m

2 stops

STL6:34 pmLambert-St Louis

$661

American Airlines

Jan 17

STL8:13 amLambert-St Louis

19h 17m

3 stops

OSL10:30 amOslo Gardermoen

Jan 19

OSL11:35 amOslo Gardermoen

18h 37m

2 stops

STL11:12 pmLambert-St Louis

$715

American Airlines

Jul 6

STL2:11 pmLambert-St Louis

19h 24m

2 stops

OSL4:35 pmOslo Gardermoen

Jul 18

OSL8:20 amOslo Gardermoen

19h 06m

2 stops

STL8:26 pmLambert-St Louis

$938

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

11:46 am-8:10 pm

2 stops25h 24m

Oslo Gardermoen

mar. 3/17

8:50 pm-11:58 pm

2 stops33h 08m

$470

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

9:20 am-10:40 pm

2 stops30h 20m

Oslo Gardermoen

dom. 3/8

3:05 pm-11:48 pm

2 stops38h 43m

$489

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

4:05 pm-12:55 pm

2 stops37h 50m

Oslo Gardermoen

mar. 3/17

4:35 pm-2:55 pm

1 stop28h 20m

$504

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

4:05 pm-12:10 pm

2 stops37h 05m

Oslo Gardermoen

dom. 3/8

6:05 am-1:55 pm

1 stop14h 50m

$508

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 2/27

9:55 am-11:20 pm

2 stops30h 25m

Oslo Gardermoen

vie. 3/6

6:15 am-1:55 pm

1 stop14h 40m

$530

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

vie. 2/27

9:55 am-11:20 pm

2 stops30h 25m

Oslo Gardermoen

vie. 3/6

6:10 am-9:42 pm

2 stops22h 32m

$533

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

jue. 1/29

6:30 am-5:10 pm

2 stops27h 40m

Oslo Gardermoen

lun. 2/2

2:05 pm-2:30 pm

2 stops31h 25m

$599

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

dom. 3/8

6:05 am-1:55 pm

1 stop14h 50m

$607

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

3:50 pm-5:30 pm

1 stop18h 40m

Oslo Gardermoen

mar. 3/17

4:35 pm-2:55 pm

1 stop28h 20m

$611

St. LouisOslo

STL - OSL

STLOSL

Lambert-St Louis

dom. 3/1

4:05 pm-5:55 pm

2 stops18h 50m

Oslo Gardermoen

mar. 3/17

3:00 pm-2:55 pm

3 stops29h 55m

$1,050

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from St. Louis is in November. Flight prices, which tend to average around $617, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Oslo Gardermoen Airport from St. Louis during October instead. Flights to Oslo Gardermoen Airport in October, while not as cheap as those in November, still average around $667.

Can stopping save me money on St. Louis to Oslo Gardermoen Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a St. Louis to Oslo Gardermoen Airport flight.

When to book flights from St. Louis to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Oslo Gardermoen Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Oslo Gardermoen Airport (STL to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Oslo Gardermoen Airport

Fastest flight time	15h 16m
Direct flights	None

The fastest flight from St. Louis to Oslo Gardermoen Airport takes 15h 16m

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

Search flight deals

How far is Lambert-St Louis to Oslo Gardermoen by plane?
The straight-line distance from Lambert-St Louis to Oslo Gardermoen is 4298.2 mi. By plane, this route typically takes 15h 16m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?
Prices for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?
The number of operators available for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport is 4 as of January 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Oslo Gardermoen Airport?
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 Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents you'll need for your trip to Oslo Gardermoen Airport 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 Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Oslo Gardermoen Airport?
Based on momondo bookings for flights between St. Louis and Oslo Gardermoen Airport, the leading airline is Delta, making up 30% of the total bookings. Other popular airlines include Lufthansa with 30%, United Airlines with 22%, and Air Canada with 17%.

Best airlines flying from St. Louis to Oslo Gardermoen Airport

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $581	Free Cancellation	Rating 6.8 7,718 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,051 reviews	Search Delta flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,624 reviews	Search Air Canada flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 9,164 reviews	Search United Airlines flights

Gardermoen

Fredrikstad

Lillehammer

Drammen

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Why should I use momondo to find a flight deal from St. Louis to Oslo?

Finding the right flight to Oslo from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Oslo quick and easy, saving you time and money.

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 you have performed a search for St. Louis to Oslo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Oslo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.

An easier way to manage your Oslo Gardermoen Airport trip

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Flights to Oslo Sandefjord Airportfrom $359

Cheap flights from St. Louis to Oslo from $264

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 5/9. 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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United Airlines flights from St. Louis to Oslo Gardermoen Airport

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

American Airlines flights from St. Louis to Oslo Gardermoen Airport

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

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Oslo Gardermoen Airport that are best for you.

See travel insights to Oslo from

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

What is the cheapest month to fly to Oslo Gardermoen Airport?

Can stopping save me money on St. Louis to Oslo Gardermoen Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a St. Louis to Oslo Gardermoen Airport flight.

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

British Airways, American Airlines, and Air Canada are the most popular carriers operating from Lambert-St Louis to Oslo Gardermoen

What airlines fly to Oslo Gardermoen Airport?

When to book flights from St. Louis to Oslo Gardermoen Airport

Cheap St. Louis to Oslo Gardermoen Airport (STL to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Oslo Gardermoen Airport

Fastest flight time

Direct flights

How far is Lambert-St Louis to Oslo Gardermoen by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Oslo Gardermoen Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Oslo Gardermoen Airport?

What documentation or ID do you need to fly to Oslo Gardermoen Airport?

What is the most popular airline from St. Louis to Oslo Gardermoen Airport?

Best airlines flying from St. Louis to Oslo Gardermoen Airport

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

Traveling to a place near Oslo?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Oslo?

Can I find flights from St. Louis to Oslo with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Oslo?

I’m not ready to book a flight from St. Louis to Oslo right now. Can momondo alert me if prices change?

An easier way to manage your Oslo Gardermoen Airport 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 Oslo

Popular cities in Norway

Popular flights according to clicks in the last 7 days on momondo