What airlines fly to Denmark?

Air Canada, United Airlines and Lufthansa are the top three most popular airlines that fly to Denmark from St. Louis according to our data. Air Canada is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 6 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

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

British Airways, Lufthansa, and United Airlines are the most popular carriers operating from Lambert-St Louis to Denmark

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

Prices for flights from Lambert-St Louis Airport to Denmark were last updated today.

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

As of September 2026, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Denmark.

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

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 Denmark.

What documentation or ID do you need to fly to Denmark?

The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$329 Cheap Flights from St. Louis to Denmark in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Denmark

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:40 pm - 10:50 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

13h 10m1 stop Toronto Pearson Intl

11:35 am - 3:26 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

34h 51m1 stop Toronto Pearson Intl

$640Air Canada

Mon, Oct 19 - Wed, Nov 4

2:40 pm - 10:50 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

13h 10m1 stop Toronto Pearson Intl

11:35 am - 9:40 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

17h 05m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$643Air Canada

Mon, Oct 19 - Wed, Nov 4

6:50 pm - 10:20 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

32h 30m2 stops Chicago O'Hare Intl Toronto Pearson Intl

11:35 am - 3:26 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

34h 51m1 stop Toronto Pearson Intl

$679United Airlines

Mon, Nov 9 - Wed, Nov 18

5:29 pm - 5:05 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

16h 36m2 stops Chicago O'Hare Intl London Heathrow

10:30 am - 8:26 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

16h 56m2 stops London Heathrow Philadelphia

$685British Airways

Tue, Nov 3 - Tue, Nov 10

4:05 pm - 10:20 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

11h 15m1 stop Toronto Pearson Intl

6:45 am - 3:26 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

39h 41m2 stops Zurich Toronto Pearson Intl

$691Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

4:05 pm - 10:20 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

11h 15m1 stop Toronto Pearson Intl

11:35 am - 10:26 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

41h 51m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$711United Airlines

Tue, Nov 10 - Sun, Nov 15

4:26 pm - 2:35 pmSTL Lambert-St Louis-CPH Kastrup Copenhagen

15h 09m2 stops Charlotte Douglas London Heathrow

6:30 am - 6:16 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

18h 46m2 stops London Heathrow Dallas/Fort Worth

$739American Airlines

Thu, Nov 5 - Thu, Nov 12

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

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

7:10 pm - 1:45 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

25h 35m1 stop Frankfurt am Main

$766Lufthansa

Sun, Nov 8 - Sat, Nov 14

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

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

12:40 pm - 1:45 pmCPH Kastrup Copenhagen-STL Lambert-St Louis

32h 05m1 stop Frankfurt am Main

$766Lufthansa

Sun, Nov 8 - Sat, Nov 14

12:29 pm - 10:30 amSTL Lambert-St Louis-CPH Kastrup Copenhagen

15h 01m1 stop Atlanta Hartsfield-Jackson

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

14h 52m1 stop Atlanta Hartsfield-Jackson

$1,147Scandinavian Airlines

Mon, Nov 9 - Wed, Nov 18

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United Airlines flights from St. Louis to Denmark

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

United Airlines

Nov 9

STL6:50 pmLambert-St Louis

32h 30m

2 stops

CPH10:20 amKastrup Copenhagen

Nov 18

CPH11:35 amKastrup Copenhagen

34h 51m

1 stop

STL3:26 pmLambert-St Louis

$679

United Airlines

Nov 10

STL4:05 pmLambert-St Louis

11h 15m

1 stop

CPH10:20 amKastrup Copenhagen

Nov 15

CPH11:35 amKastrup Copenhagen

41h 51m

2 stops

STL10:26 pmLambert-St Louis

$711

United Airlines

Feb 2

STL4:05 pmLambert-St Louis

11h 15m

1 stop

CPH10:20 amKastrup Copenhagen

Feb 7

CPH11:35 amKastrup Copenhagen

41h 38m

2 stops

STL10:13 pmLambert-St Louis

$717

British Airways flights from St. Louis to Denmark

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

British Airways

Nov 3

STL5:29 pmLambert-St Louis

16h 36m

2 stops

CPH5:05 pmKastrup Copenhagen

Nov 10

CPH10:30 amKastrup Copenhagen

16h 56m

2 stops

STL8:26 pmLambert-St Louis

$685

British Airways

Nov 10

STL11:35 amLambert-St Louis

17h 00m

2 stops

CPH11:35 amKastrup Copenhagen

Nov 15

CPH11:40 amKastrup Copenhagen

18h 53m

2 stops

STL11:33 pmLambert-St Louis

$727

British Airways

Dec 16

STL9:50 amLambert-St Louis

21h 25m

2 stops

CPH2:15 pmKastrup Copenhagen

Dec 21

CPH8:30 pmKastrup Copenhagen

32h 17m

2 stops

STL9:47 pmLambert-St Louis

$817

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 10/19

2:40 pm-10:50 am

1 stop13h 10m

Kastrup Copenhagen

Wed 11/4

11:35 am-3:26 pm

1 stop34h 51m

$640

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 10/19

2:40 pm-10:50 am

1 stop13h 10m

Kastrup Copenhagen

Wed 11/4

11:35 am-9:40 pm

2 stops17h 05m

$643

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 11/9

6:50 pm-10:20 am

2 stops32h 30m

Kastrup Copenhagen

Wed 11/18

11:35 am-3:26 pm

1 stop34h 51m

$679

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Tue 11/3

5:29 pm-5:05 pm

2 stops16h 36m

Kastrup Copenhagen

Tue 11/10

10:30 am-8:26 pm

2 stops16h 56m

$685

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Tue 11/3

4:05 pm-10:20 am

1 stop11h 15m

Kastrup Copenhagen

Tue 11/10

6:45 am-3:26 pm

2 stops39h 41m

$691

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Tue 11/10

4:05 pm-10:20 am

1 stop11h 15m

Kastrup Copenhagen

Sun 11/15

11:35 am-10:26 pm

2 stops41h 51m

$711

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Thu 11/5

4:26 pm-2:35 pm

2 stops15h 09m

Kastrup Copenhagen

Thu 11/12

6:30 am-6:16 pm

2 stops18h 46m

$739

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Sun 11/8

6:50 pm-5:35 pm

2 stops15h 45m

Kastrup Copenhagen

Sat 11/14

7:10 pm-1:45 pm

1 stop25h 35m

$766

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Sun 11/8

6:50 pm-5:35 pm

2 stops15h 45m

Kastrup Copenhagen

Sat 11/14

12:40 pm-1:45 pm

1 stop32h 05m

$766

Quickest round-trip

St. LouisCopenhagen

STL Lambert-St Louis - CPH Kastrup Copenhagen

STLCPH

Lambert-St Louis

Mon 11/9

12:29 pm-10:30 am

1 stop15h 01m

Kastrup Copenhagen

Wed 11/18

1:50 pm-9:42 pm

1 stop14h 52m

$1,147

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 Denmark

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 Denmark?

In general, February is the cheapest month to fly from St. Louis to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $523. If you aren’t able to travel to Denmark during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $680.

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

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

Cheap St. Louis to Denmark flight deals and tips

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

Best Price Found	$329
Fastest flight time	11h 15m
Direct flights	None

The best one-way flight to Denmark from St. Louis in the past 72 hours is $329. The best round-trip flight deal from St. Louis to Denmark found on momondo in the last 72 hours is $640.

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

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

Search flight deals

Frequently asked questions about flying from St. Louis to Denmark

When did momondo last update prices for flights from Lambert-St Louis Airport to Denmark?
Prices for flights from Lambert-St Louis Airport to Denmark were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Denmark?
As of September 2026, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Denmark.
How old do you have to be to fly from Lambert-St Louis Airport to Denmark?
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 Denmark.
What documentation or ID do you need to fly to Denmark?
The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Denmark

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $406	Free Cancellation	Rating 7.8 8,595 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 10,229 reviews	Search United Airlines flights
Lufthansa	PriceFrom $690	Free Cancellation	Rating 6.8 8,236 reviews	Search Lufthansa flights
American Airlines	PriceFrom $693	Free Cancellation	Rating 7.0 12,081 reviews	Search American Airlines flights
Air Canada	PriceFrom $761	Free Cancellation	Rating 7.1 11,667 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $769	Free Cancellation	Rating 7.4 1,989 reviews	Search Scandinavian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Denmark for you.

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

Yes. momondo allows you to filter the results for St. Louis to Denmark flights to just show those with flexible booking policies.

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

Once you have performed a search for St. Louis to Denmark 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 Denmark right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denmark from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities in Denmark

Flights to Copenhagenfrom $337

Flights to Billundfrom $458

Flights to Aalborgfrom $380

Flights to Aarhusfrom $483

Flights to Sønderborgfrom $876

Flights to Karupfrom $1,271

Cheap flights from St. Louis to Denmark from $329

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 Denmark 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 Denmark

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

British Airways flights from St. Louis to Denmark

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

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

See travel insights to Denmark from

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

What is the cheapest month to fly to Denmark?

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

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

What airlines fly to Denmark?

Cheap St. Louis to Denmark flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Denmark

Best airlines flying from St. Louis to Denmark

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

Why use momondo?

An easier way to manage your Denmark 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 Denmark

Popular cities in Denmark

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

St. Louis flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Denmark

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

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Explore popular destinations other users love

According to popular flight searches on momondo this year