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Cheap flights from St. Louis to Denmark 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 Denmark 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.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Denmark

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
Scandinavian Airlines Logo
3:42 pm - 10:15 am
STL
-
CPH
11h 33m
1 stop
Scandinavian Airlines Logo
1:35 pm - 11:37 pm
CPH
-
STL
17h 02m
1 stop
$760Scandinavian Airlines
Mon, Aug 17 - Mon, Aug 24
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
6:45 am - 6:45 am
STL
-
CPH
17h 00m
2 stops
Delta Logo
9:00 am - 5:05 pm
CPH
-
STL
15h 05m
1 stop
$786Delta
Mon, May 11 - Mon, May 18

Scandinavian Airlines flights from St. Louis to Denmark

Our best Scandinavian Airlines deals on St. Louis to Denmark flight tickets
Scandinavian Airlines
Aug 17
STL3:42 pmLambert-St Louis
11h 33m
1 stop
CPH10:15 amKastrup Copenhagen
Aug 24
CPH1:35 pmKastrup Copenhagen
17h 02m
1 stop
STL11:37 pmLambert-St Louis
$760
Scandinavian Airlines
Aug 17
STL3:42 pmLambert-St Louis
11h 33m
1 stop
CPH10:15 amKastrup Copenhagen
Aug 24
CPH1:35 pmKastrup Copenhagen
17h 02m
1 stop
STL11:37 pmLambert-St Louis
$834
Scandinavian Airlines
May 11
STL4:25 pmLambert-St Louis
31h 20m
1 stop
CPH6:45 amKastrup Copenhagen
May 18
CPH9:00 amKastrup Copenhagen
15h 05m
1 stop
STL5:05 pmLambert-St Louis
$839

British Airways flights from St. Louis to Denmark

Our best British Airways deals on St. Louis to Denmark 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

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Denmark 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 13, 2026.
Use the filters below to find and compare flights from St. Louis to Denmark 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

3:42 pm-10:15 am

1 stop11h 33m

Kastrup Copenhagen

Mon 8/24

1:35 pm-11:37 pm

1 stop17h 02m

$760

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

6:45 am-6:45 am

2 stops17h 00m

Kastrup Copenhagen

Mon 5/18

9:00 am-5:05 pm

1 stop15h 05m

$786

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denmark from

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

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

You could potentially save up to 9% 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.
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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?

  • 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 AirwaysPriceFrom $523Free CancellationRating
6.7
7,881 reviews
Search British Airways flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
American AirlinesPriceFrom $635Free CancellationRating
7.1
11,567 reviews
Search American Airlines flights
DeltaPriceFrom $643Free CancellationRating
7.9
8,407 reviews
Search Delta flights
Air CanadaPriceFrom $659Free CancellationRating
7.1
10,919 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $661Free CancellationRating
7.3
1,748 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $690Free CancellationRating
6.8
7,920 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.

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