What airlines fly to Copenhagen?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Copenhagen from St. Louis according to our data. Air Canada is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 5 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from St. Louis to Copenhagen?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 10h 55m.

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

British Airways and United Airlines are the most popular carriers operating from Lambert-St Louis to Kastrup Copenhagen

Which layover airport offers the lowest fares from St. Louis to Copenhagen?

Flights via London (LHR) offer the lowest average round-trip price of $655.

Which layover airport has the shortest connection time from St. Louis to Copenhagen?

Philadelphia (PHL) has the shortest average layover time for this route: 2h 33m.

Which airport is the most popular layover for flights between St. Louis and Copenhagen?

Toronto (YYZ) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

As of October 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Kastrup Copenhagen Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Kastrup Copenhagen Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kastrup Copenhagen Airport.

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

The travel and health documents required for your trip to Kastrup Copenhagen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kastrup Copenhagen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$336 Cheap Flights from St. Louis to Copenhagen in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Copenhagen

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 1:30 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

14h 50m1 stop Frankfurt am Main

11:35 am - 12:15 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

31h 40m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$737United Airlines

Wed, Feb 3 - Fri, Feb 5

3:40 pm - 1:30 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

14h 50m1 stop Frankfurt am Main

11:35 am - 4:19 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

35h 44m2 stops Toronto Pearson Intl Newark

$737United Airlines

Wed, Feb 3 - Fri, Feb 5

4:05 pm - 2:10 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

15h 05m2 stops Toronto Pearson Intl Zurich

11:35 am - 12:15 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

31h 40m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$743Air Canada

Wed, Feb 3 - Fri, Feb 5

4:05 pm - 10:50 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

11h 45m1 stop Toronto Pearson Intl

6:15 am - 1:25 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

14h 10m1 stop Frankfurt am Main

$768Multiple Airlines

Mon, Apr 12 - Tue, Apr 27

4:05 pm - 2:05 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

15h 00m2 stops Toronto Pearson Intl Zurich

6:50 am - 3:26 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

15h 36m2 stops Brussels Bruxelles-National Toronto Pearson Intl

$775Multiple Airlines

Mon, Apr 12 - Tue, Apr 27

6:50 pm - 5:35 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

15h 45m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

7:15 am - 1:45 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

13h 30m1 stop Frankfurt am Main

$858Lufthansa

Mon, Nov 9 - Wed, Nov 18

6:50 pm - 5:35 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

15h 45m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

10:05 am - 9:52 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

18h 47m2 stops Frankfurt am Main Newark

$862Lufthansa

Tue, Nov 10 - Tue, Nov 17

12:28 pm - 1:10 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

17h 42m2 stops Minneapolis St Paul London Heathrow

6:00 am - 4:23 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

17h 23m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$917Delta

Fri, Nov 13 - Fri, Nov 20

5:30 pm - 7:50 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

19h 20m2 stops Atlanta Hartsfield-Jackson London Heathrow

6:00 am - 4:30 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

17h 30m2 stops Amsterdam Schiphol Minneapolis St Paul

$917Delta

Thu, Nov 26 - Thu, Dec 3

2:31 pm - 10:30 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

12h 59m1 stop Atlanta Hartsfield-Jackson

1:50 pm - 9:42 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

14h 52m1 stop Atlanta Hartsfield-Jackson

$1,105Scandinavian Airlines

Mon, Nov 9 - Wed, Nov 18

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United Airlines flights from St. Louis to Copenhagen

Our best United Airlines deals on St. Louis to Copenhagen flight tickets

United Airlines

Feb 3

STL3:40 pmLambert-St Louis

14h 50m

1 stop

CPH1:30 pmKastrup Copenhagen

Feb 5

CPH11:35 amKastrup Copenhagen

35h 44m

2 stops

STL4:19 pmLambert-St Louis

$737

United Airlines

Nov 9

STL1:08 pmLambert-St Louis

15h 17m

2 stops

CPH11:25 amKastrup Copenhagen

Nov 18

CPH11:35 amKastrup Copenhagen

31h 35m

2 stops

STL12:10 pmLambert-St Louis

$855

United Airlines

Feb 3

STL3:40 pmLambert-St Louis

14h 50m

1 stop

CPH1:30 pmKastrup Copenhagen

Feb 5

CPH7:15 amKastrup Copenhagen

13h 30m

1 stop

STL1:45 pmLambert-St Louis

$865

Lufthansa flights from St. Louis to Copenhagen

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

Lufthansa

Nov 9

STL6:50 pmLambert-St Louis

15h 45m

2 stops

CPH5:35 pmKastrup Copenhagen

Nov 18

CPH7:15 amKastrup Copenhagen

13h 30m

1 stop

STL1:45 pmLambert-St Louis

$858

Lufthansa

Nov 10

STL6:50 pmLambert-St Louis

15h 45m

2 stops

CPH5:35 pmKastrup Copenhagen

Nov 17

CPH10:05 amKastrup Copenhagen

18h 47m

2 stops

STL9:52 pmLambert-St Louis

$862

Lufthansa

Nov 13

STL3:40 pmLambert-St Louis

14h 50m

1 stop

CPH1:30 pmKastrup Copenhagen

Nov 20

CPH7:15 amKastrup Copenhagen

13h 30m

1 stop

STL1:45 pmLambert-St Louis

$891

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Wed 2/3

3:40 pm-1:30 pm

1 stop14h 50m

Kastrup Copenhagen

Fri 2/5

11:35 am-12:15 pm

2 stops31h 40m

$737

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Wed 2/3

3:40 pm-1:30 pm

1 stop14h 50m

Kastrup Copenhagen

Fri 2/5

11:35 am-4:19 pm

2 stops35h 44m

$737

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Wed 2/3

4:05 pm-2:10 pm

2 stops15h 05m

Kastrup Copenhagen

Fri 2/5

11:35 am-12:15 pm

2 stops31h 40m

$743

Quickest round-trip

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 4/12

4:05 pm-10:50 am

1 stop11h 45m

Kastrup Copenhagen

Tue 4/27

6:15 am-1:25 pm

1 stop14h 10m

$768

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 4/12

4:05 pm-2:05 pm

2 stops15h 00m

Kastrup Copenhagen

Tue 4/27

6:50 am-3:26 pm

2 stops15h 36m

$775

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 11/9

6:50 pm-5:35 pm

2 stops15h 45m

Kastrup Copenhagen

Wed 11/18

7:15 am-1:45 pm

1 stop13h 30m

$858

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Tue 11/10

6:50 pm-5:35 pm

2 stops15h 45m

Kastrup Copenhagen

Tue 11/17

10:05 am-9:52 pm

2 stops18h 47m

$862

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Fri 11/13

12:28 pm-1:10 pm

2 stops17h 42m

Kastrup Copenhagen

Fri 11/20

6:00 am-4:23 pm

2 stops17h 23m

$917

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Thu 11/26

5:30 pm-7:50 pm

2 stops19h 20m

Kastrup Copenhagen

Thu 12/3

6:00 am-4:30 pm

2 stops17h 30m

$917

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 11/9

2:31 pm-10:30 am

1 stop12h 59m

Kastrup Copenhagen

Wed 11/18

1:50 pm-9:42 pm

1 stop14h 52m

$1,105

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 Copenhagen

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

Layovers

What is the typical price of a round-trip flight between St. Louis and Copenhagen?

Prices are currently high for flights on this route.

Typical prices usually range from $512 to $690.
The lowest price recently found on this route was $737.

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from St. Louis is in October. Flight prices, which tend to average around $512, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $523.

Can stopping save me money on St. Louis to Copenhagen flights?

You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Copenhagen flight.

When to book flights from St. Louis to Copenhagen

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

Estimated round-trip price

Cheap St. Louis to Copenhagen (STL to CPH) flight deals and tips

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

Best Price Found	$336
Fastest flight time	11h 15m
Direct flights	None

The best one-way flight to Copenhagen from St. Louis in the past 72 hours is $336. The best round-trip flight deal from St. Louis to Copenhagen found on momondo in the last 72 hours is $737.

The fastest flight from St. Louis to Copenhagen takes 11h 15m

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

Search flight deals

Frequently asked questions about flying from St. Louis to Copenhagen

How far is Lambert-St Louis to Kastrup Copenhagen by plane?
The straight-line distance from Lambert-St Louis to Kastrup Copenhagen is 4507.7 mi. In terms of flight time, this usually takes a little over 11h 15m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Kastrup Copenhagen Airport?
Prices for flights from Lambert-St Louis Airport to Kastrup Copenhagen Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kastrup Copenhagen Airport?
As of October 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Kastrup Copenhagen Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Kastrup Copenhagen Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kastrup Copenhagen Airport.
What documentation or ID do you need to fly to Kastrup Copenhagen Airport?
The travel and health documents required for your trip to Kastrup Copenhagen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kastrup Copenhagen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Copenhagen?
Based on momondo bookings for flights between St. Louis and Copenhagen, the leading airline is Air Canada, making up 25% of the total bookings. Other popular airlines include United Airlines with 25%, Delta with 20%, and Lufthansa with 18%.

Best airlines flying from St. Louis to Copenhagen

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $406	Free Cancellation	Rating 7.8 8,651 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights
Lufthansa	PriceFrom $601	Free Cancellation	Rating 6.8 8,277 reviews	Search Lufthansa flights
Air Canada	PriceFrom $761	Free Cancellation	Rating 7.1 11,774 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $769	Free Cancellation	Rating 7.4 2,018 reviews	Search Scandinavian Airlines flights

Kastrup

Roskilde

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Copenhagen. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from St. Louis to Copenhagen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential St. Louis to Copenhagen 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 Copenhagen right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Copenhagen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from St. Louis to Copenhagen from $336

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 Copenhagen departing on 3/3. 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 Copenhagen

Our best United Airlines deals on St. Louis to Copenhagen flight tickets

Lufthansa flights from St. Louis to Copenhagen

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

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

What is the typical price of a round-trip flight between St. Louis and Copenhagen?

What is the cheapest month to fly to Copenhagen?

Can stopping save me money on St. Louis to Copenhagen flights?

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

What airlines fly to Copenhagen?

Which airport is the most popular layover for flights between St. Louis and Copenhagen?

Which layover airport offers the lowest fares from St. Louis to Copenhagen?

Which layover airport has the shortest travel time from St. Louis to Copenhagen?

Which layover airport has the shortest connection time from St. Louis to Copenhagen?

When to book flights from St. Louis to Copenhagen

Cheap St. Louis to Copenhagen (STL to CPH) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Copenhagen

Best airlines flying from St. Louis to Copenhagen

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

Traveling to a place near Copenhagen?

Why use momondo?

An easier way to manage your Copenhagen trip

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List of cabin classes available on flights landing in Copenhagen. Availability may vary depending on flight origin and airline.

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