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

Air Canada, United Airlines, and British Airways 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 28% 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.

$336 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.

9:40 pm - 10:40 pm

STL

CPH

18h 00m

1 stop

8:50 am - 7:46 pm

CPH

STL

17h 56m

2 stops

$724British Airways

Sun, Sep 13 - Sat, Sep 19

1:30 pm - 11:35 am

STL

CPH

15h 05m

1 stop

8:50 am - 7:46 pm

CPH

STL

17h 56m

2 stops

$729British Airways

Tue, Sep 1 - Tue, Sep 22

9:40 pm - 11:10 pm

STL

CPH

18h 30m

2 stops

8:50 am - 10:00 pm

CPH

STL

20h 10m

2 stops

$736Multiple Airlines

Sun, Sep 13 - Sat, Sep 19

9:45 am - 3:35 pm

STL

CPH

22h 50m

2 stops

8:50 am - 7:46 pm

CPH

STL

17h 56m

2 stops

$740British Airways

Tue, Sep 1 - Tue, Sep 22

11:25 am - 11:45 am

STL

CPH

17h 20m

1 stop

1:55 pm - 11:21 pm

CPH

STL

16h 26m

1 stop

$757Multiple Airlines

Sun, May 10 - Mon, May 25

1:30 pm - 10:15 am

STL

CPH

13h 45m

1 stop

1:35 pm - 11:37 pm

CPH

STL

17h 02m

1 stop

$760Scandinavian Airlines

Mon, Sep 14 - Mon, Sep 21

1:30 pm - 10:15 am

STL

CPH

13h 45m

1 stop

1:35 pm - 8:50 pm

CPH

STL

14h 15m

1 stop

$771Scandinavian Airlines

Mon, Sep 14 - Mon, Sep 21

3:30 pm - 11:35 am

STL

CPH

13h 05m

1 stop

6:20 am - 1:25 pm

CPH

STL

14h 05m

1 stop

$778Lufthansa

Tue, Sep 1 - Tue, Sep 22

3:42 pm - 10:15 am

STL

CPH

11h 33m

1 stop

1:35 pm - 8:50 pm

CPH

STL

14h 15m

1 stop

$782Scandinavian Airlines

Mon, Aug 31 - Thu, Sep 24

4:13 pm - 6:45 am

STL

CPH

31h 32m

1 stop

9:00 am - 4:55 pm

CPH

STL

14h 55m

1 stop

$784KLM

Mon, Aug 31 - Tue, Sep 15

KLM flights from St. Louis to Denmark

Our best KLM deals on St. Louis to Denmark flight tickets

KLM

Aug 31

STL4:13 pmLambert-St Louis

31h 32m

1 stop

CPH6:45 amKastrup Copenhagen

Sep 15

CPH9:00 amKastrup Copenhagen

14h 55m

1 stop

STL4:55 pmLambert-St Louis

$784

KLM

Aug 31

STL4:13 pmLambert-St Louis

31h 32m

1 stop

CPH6:45 amKastrup Copenhagen

Sep 15

CPH9:00 amKastrup Copenhagen

14h 55m

1 stop

STL4:55 pmLambert-St Louis

$790

KLM

Aug 31

STL7:05 pmLambert-St Louis

13h 40m

2 stops

CPH3:45 pmKastrup Copenhagen

Sep 15

CPH9:00 amKastrup Copenhagen

14h 55m

1 stop

STL4:55 pmLambert-St Louis

$811

Lufthansa flights from St. Louis to Denmark

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

Lufthansa

Sep 1

STL3:30 pmLambert-St Louis

13h 05m

1 stop

CPH11:35 amKastrup Copenhagen

Sep 22

CPH6:20 amKastrup Copenhagen

14h 05m

1 stop

STL1:25 pmLambert-St Louis

$778

Lufthansa

Sep 13

STL1:18 pmLambert-St Louis

20h 07m

2 stops

CPH4:25 pmKastrup Copenhagen

Sep 21

CPH7:25 pmKastrup Copenhagen

25h 00m

2 stops

STL1:25 pmLambert-St Louis

$802

Lufthansa

Sep 13

STL1:18 pmLambert-St Louis

20h 07m

2 stops

CPH4:25 pmKastrup Copenhagen

Sep 21

CPH7:25 pmKastrup Copenhagen

25h 00m

2 stops

STL1:25 pmLambert-St Louis

$803

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 9/13

9:40 pm-10:40 pm

1 stop18h 00m

Kastrup Copenhagen

Sat 9/19

8:50 am-7:46 pm

2 stops17h 56m

$724

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 9/1

1:30 pm-11:35 am

1 stop15h 05m

Kastrup Copenhagen

Tue 9/22

8:50 am-7:46 pm

2 stops17h 56m

$729

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 9/13

9:40 pm-11:10 pm

2 stops18h 30m

Kastrup Copenhagen

Sat 9/19

8:50 am-10:00 pm

2 stops20h 10m

$736

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 9/1

9:45 am-3:35 pm

2 stops22h 50m

Kastrup Copenhagen

Tue 9/22

8:50 am-7:46 pm

2 stops17h 56m

$740

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 5/10

11:25 am-11:45 am

1 stop17h 20m

Kastrup Copenhagen

Mon 5/25

1:55 pm-11:21 pm

1 stop16h 26m

$757

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/14

1:30 pm-10:15 am

1 stop13h 45m

Kastrup Copenhagen

Mon 9/21

1:35 pm-11:37 pm

1 stop17h 02m

$760

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/14

1:30 pm-10:15 am

1 stop13h 45m

Kastrup Copenhagen

Mon 9/21

1:35 pm-8:50 pm

1 stop14h 15m

$771

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 9/1

3:30 pm-11:35 am

1 stop13h 05m

Kastrup Copenhagen

Tue 9/22

6:20 am-1:25 pm

1 stop14h 05m

$778

Quickest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

3:42 pm-10:15 am

1 stop11h 33m

Kastrup Copenhagen

Thu 9/24

1:35 pm-8:50 pm

1 stop14h 15m

$782

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

4:13 pm-6:45 am

1 stop31h 32m

Kastrup Copenhagen

Tue 9/15

9:00 am-4:55 pm

1 stop14h 55m

$784

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	13h 45m
Direct flights	None

The fastest flight from St. Louis to Denmark takes 13h 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 7,821 reviews	Search British Airways flights
Delta	PriceFrom $590	Free Cancellation	Rating 7.9 8,336 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
American Airlines	PriceFrom $635	Free Cancellation	Rating 7.1 11,500 reviews	Search American Airlines flights
Air Canada	PriceFrom $659	Free Cancellation	Rating 7.1 10,843 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $661	Free Cancellation	Rating 7.3 1,725 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $690	Free Cancellation	Rating 6.8 7,871 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 $358

Flights to Billundfrom $437

Flights to Aalborgfrom $418

Flights to Aarhusfrom $466

Flights to Sønderborgfrom $1,020

Flights to Karupfrom $760

Flights to Esbjergfrom $1,311

Cheap flights from St. Louis to Denmark 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 Denmark departing on 8/15. 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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KLM flights from St. Louis to Denmark

Our best KLM deals on St. Louis to Denmark flight tickets

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

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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?

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

Denmark flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Denmark

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denmark

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