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Cheap flights from St. Louis to Copenhagen from $306

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 6/14. 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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0 bags

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Find the cheapest flights from St. Louis to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
5:36 pm - 11:45 am
STL
-
CPH
11h 09m
1 stop
Virgin Atlantic Logo
1:55 pm - 11:21 pm
CPH
-
STL
16h 26m
1 stop
$734Virgin Atlantic
Sun, May 10 - Mon, May 25
Multiple Airlines Logo
5:36 pm - 11:45 am
STL
-
CPH
11h 09m
1 stop
Multiple Airlines Logo
1:55 pm - 11:21 pm
CPH
-
STL
16h 26m
1 stop
$736Multiple Airlines
Sun, May 10 - Mon, May 25
Virgin Atlantic Logo
7:01 pm - 6:45 am
STL
-
CPH
28h 44m
2 stops
Virgin Atlantic Logo
1:55 pm - 11:21 pm
CPH
-
STL
16h 26m
1 stop
$748Virgin Atlantic
Sun, May 10 - Mon, May 25
British Airways Logo
3:33 pm - 3:40 pm
STL
-
CPH
17h 07m
2 stops
British Airways Logo
8:50 am - 7:46 pm
CPH
-
STL
17h 56m
2 stops
$771British Airways
Mon, Aug 17 - Mon, Aug 24
British Airways Logo
9:35 pm - 11:20 pm
STL
-
CPH
18h 45m
1 stop
British Airways Logo
8:50 am - 8:26 pm
CPH
-
STL
18h 36m
2 stops
$774British Airways
Wed, Aug 12 - Wed, Aug 19
Delta Logo
2:18 pm - 1:20 pm
STL
-
CPH
16h 02m
2 stops
Delta Logo
9:00 am - 4:55 pm
CPH
-
STL
14h 55m
1 stop
$775Delta
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
2:40 pm - 10:50 am
STL
-
CPH
13h 10m
1 stop
Multiple Airlines Logo
8:50 am - 8:26 pm
CPH
-
STL
18h 36m
2 stops
$780Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
British Airways Logo
3:35 pm - 3:40 pm
STL
-
CPH
17h 05m
2 stops
British Airways Logo
8:50 am - 8:26 pm
CPH
-
STL
18h 36m
2 stops
$781British Airways
Mon, Aug 17 - Mon, Aug 24
Delta Logo
6:00 am - 6:45 am
STL
-
CPH
17h 45m
2 stops
Delta Logo
9:00 am - 9:38 pm
CPH
-
STL
19h 38m
2 stops
$786Delta
Mon, May 11 - Mon, May 18
KLM Logo
4:13 pm - 6:45 am
STL
-
CPH
31h 32m
1 stop
KLM Logo
9:00 am - 4:55 pm
CPH
-
STL
14h 55m
1 stop
$790KLM
Mon, Sep 14 - Mon, Sep 21

British Airways flights from St. Louis to Copenhagen

Our best British Airways deals on St. Louis to Copenhagen flight tickets
British Airways
Aug 17
STL3:33 pmLambert-St Louis
17h 07m
2 stops
CPH3:40 pmKastrup Copenhagen
Aug 24
CPH8:50 amKastrup Copenhagen
17h 56m
2 stops
STL7:46 pmLambert-St Louis
$771
British Airways
Aug 12
STL9:35 pmLambert-St Louis
18h 45m
1 stop
CPH11:20 pmKastrup Copenhagen
Aug 19
CPH8:50 amKastrup Copenhagen
18h 36m
2 stops
STL8:26 pmLambert-St Louis
$774
British Airways
Aug 17
STL3:35 pmLambert-St Louis
17h 05m
2 stops
CPH3:40 pmKastrup Copenhagen
Aug 24
CPH8:50 amKastrup Copenhagen
18h 36m
2 stops
STL8:26 pmLambert-St Louis
$781

Delta flights from St. Louis to Copenhagen

Our best Delta deals on St. Louis to Copenhagen flight tickets
Delta
Sep 14
STL2:18 pmLambert-St Louis
16h 02m
2 stops
CPH1:20 pmKastrup Copenhagen
Sep 21
CPH9:00 amKastrup Copenhagen
14h 55m
1 stop
STL4:55 pmLambert-St Louis
$775
Delta
May 11
STL6:00 amLambert-St Louis
17h 45m
2 stops
CPH6:45 amKastrup Copenhagen
May 18
CPH9:00 amKastrup Copenhagen
19h 38m
2 stops
STL9:38 pmLambert-St Louis
$786
Delta
Sep 14
STL5:45 pmLambert-St Louis
16h 20m
2 stops
CPH5:05 pmKastrup Copenhagen
Sep 21
CPH1:55 pmKastrup Copenhagen
16h 06m
1 stop
STL11:01 pmLambert-St Louis
$801

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 15, 2026.
Use the filters below to find and compare flights from St. Louis to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 5/10

5:36 pm-11:45 am

1 stop11h 09m

Kastrup Copenhagen

Mon 5/25

1:55 pm-11:21 pm

1 stop16h 26m

$734

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 5/10

5:36 pm-11:45 am

1 stop11h 09m

Kastrup Copenhagen

Mon 5/25

1:55 pm-11:21 pm

1 stop16h 26m

$736

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 5/10

7:01 pm-6:45 am

2 stops28h 44m

Kastrup Copenhagen

Mon 5/25

1:55 pm-11:21 pm

1 stop16h 26m

$748

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

3:33 pm-3:40 pm

2 stops17h 07m

Kastrup Copenhagen

Mon 8/24

8:50 am-7:46 pm

2 stops17h 56m

$771

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 8/12

9:35 pm-11:20 pm

1 stop18h 45m

Kastrup Copenhagen

Wed 8/19

8:50 am-8:26 pm

2 stops18h 36m

$774

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/14

2:18 pm-1:20 pm

2 stops16h 02m

Kastrup Copenhagen

Mon 9/21

9:00 am-4:55 pm

1 stop14h 55m

$775

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

2:40 pm-10:50 am

1 stop13h 10m

Kastrup Copenhagen

Mon 8/24

8:50 am-8:26 pm

2 stops18h 36m

$780

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

3:35 pm-3:40 pm

2 stops17h 05m

Kastrup Copenhagen

Mon 8/24

8:50 am-8:26 pm

2 stops18h 36m

$781

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 5/11

6:00 am-6:45 am

2 stops17h 45m

Kastrup Copenhagen

Mon 5/18

9:00 am-9:38 pm

2 stops19h 38m

$786

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/14

4:13 pm-6:45 am

1 stop31h 32m

Kastrup Copenhagen

Mon 9/21

9:00 am-4:55 pm

1 stop14h 55m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

You could potentially save up to 9% 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

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from St. Louis to Copenhagen takes 11h 45m
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 45m.

  • 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?

  • 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?

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
British AirwaysPriceFrom $523Free CancellationRating
6.7
7,885 reviews
Search British Airways flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
American AirlinesPriceFrom $635Free CancellationRating
7.1
11,575 reviews
Search American Airlines flights
DeltaPriceFrom $643Free CancellationRating
7.9
8,404 reviews
Search Delta flights
Air CanadaPriceFrom $659Free CancellationRating
7.1
10,923 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $661Free CancellationRating
7.3
1,750 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $690Free CancellationRating
6.8
7,922 reviews
Search Lufthansa flights

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

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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?

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