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

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

What airlines fly to Denmark?

Lufthansa, Air Canada and Delta are the top three most popular airlines that fly to Denmark 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 Denmark. Keep in mind that there are 7 different airlines that fly to Denmark 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 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 March 2026, there are 7 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.

$299 Cheap Flights from St. Louis to Denmark in 2026

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Find the cheapest flights from St. Louis to Denmark

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:33 pm - 7:55 pm

STL

CPH

21h 22m

2 stops

7:45 am - 7:46 pm

CPH

STL

19h 01m

2 stops

$690Multiple Airlines

Mon, Sep 7 - Mon, Sep 28

8:55 am - 10:50 am

STL

CPH

18h 55m

1 stop

8:50 am - 10:00 pm

CPH

STL

20h 10m

2 stops

$713Multiple Airlines

Mon, Sep 7 - Mon, Sep 28

7:05 am - 2:05 am

STL

CPH

36h 00m

2 stops

12:45 pm - 2:02 pm

CPH

STL

32h 17m

2 stops

$716Multiple Airlines

Mon, Jun 1 - Mon, Aug 24

4:05 pm - 10:50 am

STL

CPH

11h 45m

1 stop

6:20 am - 8:25 pm

CPH

STL

21h 05m

2 stops

$717Air Canada

Mon, Apr 20 - Wed, May 6

4:05 pm - 10:50 am

STL

CPH

11h 45m

1 stop

6:20 am - 1:25 pm

CPH

STL

14h 05m

1 stop

$722Multiple Airlines

Mon, Apr 20 - Wed, May 6

5:59 pm - 3:45 pm

STL

CPH

14h 46m

2 stops

9:00 am - 4:42 pm

CPH

STL

14h 42m

2 stops

$739Multiple Airlines

Mon, Apr 20 - Wed, May 6

5:59 pm - 3:45 pm

STL

CPH

14h 46m

2 stops

9:00 am - 4:42 pm

CPH

STL

14h 42m

2 stops

$745Multiple Airlines

Wed, Apr 29 - Wed, May 6

4:30 pm - 3:40 pm

STL

CPH

16h 10m

2 stops

12:25 pm - 10:17 pm

CPH

STL

16h 52m

2 stops

$746American Airlines

Mon, Apr 20 - Wed, May 6

9:35 pm - 1:40 pm

STL

CPH

33h 05m

1 stop

8:50 am - 7:30 pm

CPH

STL

17h 40m

2 stops

$748American Airlines

Wed, Apr 29 - Wed, May 6

8:30 pm - 8:55 am

STL

CPH

29h 25m

2 stops

12:45 pm - 12:13 pm

CPH

STL

30h 28m

2 stops

$751United Airlines

Mon, Aug 31 - Tue, Sep 15

Air Canada flights from St. Louis to Denmark

Our best Air Canada deals on St. Louis to Denmark flight tickets

Air Canada

Apr 20

STL4:05 pmLambert-St Louis

11h 45m

1 stop

CPH10:50 amKastrup Copenhagen

May 6

CPH6:20 amKastrup Copenhagen

21h 05m

2 stops

STL8:25 pmLambert-St Louis

$717

Air Canada

Sep 6

STL12:10 pmLambert-St Louis

13h 45m

1 stop

CPH8:55 amKastrup Copenhagen

Sep 25

CPH12:45 pmKastrup Copenhagen

33h 53m

2 stops

STL3:38 pmLambert-St Louis

$795

Air Canada

Sep 3

STL12:10 pmLambert-St Louis

13h 45m

1 stop

CPH8:55 amKastrup Copenhagen

Sep 8

CPH12:45 pmKastrup Copenhagen

31h 04m

2 stops

STL12:49 pmLambert-St Louis

$796

American Airlines flights from St. Louis to Denmark

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

American Airlines

Apr 20

STL4:30 pmLambert-St Louis

16h 10m

2 stops

CPH3:40 pmKastrup Copenhagen

May 6

CPH12:25 pmKastrup Copenhagen

16h 52m

2 stops

STL10:17 pmLambert-St Louis

$746

American Airlines

Apr 29

STL9:35 pmLambert-St Louis

33h 05m

1 stop

CPH1:40 pmKastrup Copenhagen

May 6

CPH8:50 amKastrup Copenhagen

17h 40m

2 stops

STL7:30 pmLambert-St Louis

$748

American Airlines

Apr 12

STL4:30 pmLambert-St Louis

17h 50m

2 stops

CPH5:20 pmKastrup Copenhagen

Apr 19

CPH8:50 amKastrup Copenhagen

17h 40m

2 stops

STL7:30 pmLambert-St Louis

$817

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/7

3:33 pm-7:55 pm

2 stops21h 22m

Kastrup Copenhagen

Mon 9/28

7:45 am-7:46 pm

2 stops19h 01m

$690

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/7

8:55 am-10:50 am

1 stop18h 55m

Kastrup Copenhagen

Mon 9/28

8:50 am-10:00 pm

2 stops20h 10m

$713

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 6/1

7:05 am-2:05 am

2 stops36h 00m

Kastrup Copenhagen

Mon 8/24

12:45 pm-2:02 pm

2 stops32h 17m

$716

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 4/20

4:05 pm-10:50 am

1 stop11h 45m

Kastrup Copenhagen

Wed 5/6

6:20 am-8:25 pm

2 stops21h 05m

$717

Quickest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 4/20

4:05 pm-10:50 am

1 stop11h 45m

Kastrup Copenhagen

Wed 5/6

6:20 am-1:25 pm

1 stop14h 05m

$722

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 4/20

5:59 pm-3:45 pm

2 stops14h 46m

Kastrup Copenhagen

Wed 5/6

9:00 am-4:42 pm

2 stops14h 42m

$739

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 4/29

5:59 pm-3:45 pm

2 stops14h 46m

Kastrup Copenhagen

Wed 5/6

9:00 am-4:42 pm

2 stops14h 42m

$745

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 4/20

4:30 pm-3:40 pm

2 stops16h 10m

Kastrup Copenhagen

Wed 5/6

12:25 pm-10:17 pm

2 stops16h 52m

$746

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 4/29

9:35 pm-1:40 pm

1 stop33h 05m

Kastrup Copenhagen

Wed 5/6

8:50 am-7:30 pm

2 stops17h 40m

$748

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

8:30 pm-8:55 am

2 stops29h 25m

Kastrup Copenhagen

Tue 9/15

12:45 pm-12:13 pm

2 stops30h 28m

$751

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 April is also cheap. Prices for this month can be found on momondo for an average of $640.

How far in advance should I book a flight to Denmark?

You are more likely to see cheaper flights to Denmark from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $778 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from St. Louis for as low as $601 on momondo.

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

You could potentially save up to 25% 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

Fastest flight time	11h 45m
Direct flights	None

The fastest flight from St. Louis to Denmark takes 11h 45m

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

Search flight deals

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 March 2026, there are 7 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
British Airways	PriceFrom $523	Free Cancellation	Rating 6.7 7,804 reviews	Search British Airways flights
Delta	PriceFrom $590	Free Cancellation	Rating 7.9 8,302 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,450 reviews	Search United Airlines flights
American Airlines	PriceFrom $635	Free Cancellation	Rating 7.1 11,480 reviews	Search American Airlines flights
Air Canada	PriceFrom $655	Free Cancellation	Rating 7.1 10,818 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $661	Free Cancellation	Rating 7.3 1,720 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $690	Free Cancellation	Rating 6.8 7,858 reviews	Search Lufthansa 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.

An easier way to manage your Denmark trip

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Feeling lucky

Popular cities in Denmark

Flights to Copenhagenfrom $371

Flights to Billundfrom $443

Flights to Aalborgfrom $414

Flights to Aarhusfrom $500

Flights to Sønderborgfrom $951

Flights to Karupfrom $760

Flights to Esbjergfrom $1,311

Cheap flights from St. Louis to Denmark from $299

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 9/6. 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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Air Canada flights from St. Louis to Denmark

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

What is the cheapest month to fly to Denmark?

How far in advance should I book a flight 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

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

Fastest flight time

Direct flights

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.

Complete your trip to Denmark

Explore popular destinations other users love

According to popular flight searches on momondo this year