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Cheap flights from St. Louis to Denmark from $383

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 10/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Denmark

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 10:05 am
STL
-
CPH
11h 00m
1 stop
Multiple Airlines Logo
8:55 am - 9:59 pm
CPH
-
STL
20h 04m
2 stops
$775Multiple Airlines
Tue, Nov 10 - Sun, Nov 15
Multiple Airlines Logo
4:05 pm - 10:05 am
STL
-
CPH
11h 00m
1 stop
Multiple Airlines Logo
8:55 am - 9:59 pm
CPH
-
STL
20h 04m
2 stops
$775Multiple Airlines
Tue, Nov 3 - Mon, Nov 9
United Airlines Logo
8:25 am - 11:25 am
STL
-
CPH
20h 00m
2 stops
United Airlines Logo
8:55 am - 3:26 pm
CPH
-
STL
37h 31m
2 stops
$804United Airlines
Mon, Dec 7 - Wed, Dec 9
Lufthansa Logo
6:50 pm - 5:35 pm
STL
-
CPH
15h 45m
2 stops
Lufthansa Logo
7:10 am - 1:45 pm
CPH
-
STL
13h 35m
1 stop
$807Lufthansa
Mon, Nov 9 - Wed, Nov 18
Lufthansa Logo
7:04 pm - 5:35 pm
STL
-
CPH
15h 31m
2 stops
Lufthansa Logo
7:10 am - 1:45 pm
CPH
-
STL
13h 35m
1 stop
$807Lufthansa
Mon, Nov 9 - Wed, Nov 18
Scandinavian Airlines Logo
4:40 pm - 10:40 am
STL
-
CPH
11h 00m
1 stop
Scandinavian Airlines Logo
1:50 pm - 11:39 pm
CPH
-
STL
16h 49m
1 stop
$870Scandinavian Airlines
Mon, Nov 9 - Wed, Nov 18
Scandinavian Airlines Logo
4:40 pm - 10:40 am
STL
-
CPH
11h 00m
1 stop
Scandinavian Airlines Logo
1:50 pm - 11:39 pm
CPH
-
STL
16h 49m
1 stop
$875Scandinavian Airlines
Mon, Nov 9 - Wed, Nov 18
Air Canada Logo
2:40 pm - 10:50 am
STL
-
CPH
13h 10m
1 stop
Air Canada Logo
12:15 pm - 6:42 pm
CPH
-
STL
13h 27m
1 stop
$901Air Canada
Mon, Aug 10 - Fri, Aug 14
United Airlines Logo
6:54 pm - 8:55 am
STL
-
CPH
31h 01m
2 stops
United Airlines Logo
12:45 pm - 11:57 am
CPH
-
STL
30h 12m
2 stops
$909United Airlines
Mon, Aug 31 - Tue, Sep 15
Air Canada Logo
12:10 pm - 10:50 am
STL
-
CPH
15h 40m
2 stops
Air Canada Logo
12:45 pm - 11:57 am
CPH
-
STL
30h 12m
2 stops
$913Air Canada
Wed, Sep 9 - Tue, Sep 15

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British Airways flights from St. Louis to Denmark

Our best British Airways deals on St. Louis to Denmark flight tickets
British Airways
Nov 3
STL5:31 pmLambert-St Louis
16h 24m
2 stops
CPH4:55 pmKastrup Copenhagen
Nov 9
CPH8:55 amKastrup Copenhagen
20h 04m
2 stops
STL9:59 pmLambert-St Louis
$794
British Airways
Sep 14
STL5:18 pmLambert-St Louis
19h 37m
2 stops
CPH7:55 pmKastrup Copenhagen
Oct 2
CPH8:50 amKastrup Copenhagen
18h 54m
2 stops
STL8:44 pmLambert-St Louis
$893

Lufthansa flights from St. Louis to Denmark

Our best Lufthansa deals on St. Louis to Denmark flight tickets
Lufthansa
Nov 9
STL6:50 pmLambert-St Louis
15h 45m
2 stops
CPH5:35 pmKastrup Copenhagen
Nov 18
CPH7:10 amKastrup Copenhagen
13h 35m
1 stop
STL1:45 pmLambert-St Louis
$807
Lufthansa
Nov 9
STL6:50 pmLambert-St Louis
15h 45m
2 stops
CPH5:35 pmKastrup Copenhagen
Nov 18
CPH2:15 pmKastrup Copenhagen
16h 00m
2 stops
STL11:15 pmLambert-St Louis
$814
Lufthansa
Nov 8
STL6:50 pmLambert-St Louis
21h 15m
2 stops
CPH11:05 pmKastrup Copenhagen
Nov 14
CPH7:10 amKastrup Copenhagen
21h 42m
2 stops
STL9:52 pmLambert-St Louis
$876

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 July 28, 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

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 11/10

4:05 pm-10:05 am

1 stop11h 00m

Kastrup Copenhagen

Sun 11/15

8:55 am-9:59 pm

2 stops20h 04m

$775

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 11/3

4:05 pm-10:05 am

1 stop11h 00m

Kastrup Copenhagen

Mon 11/9

8:55 am-9:59 pm

2 stops20h 04m

$775

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 12/7

8:25 am-11:25 am

2 stops20h 00m

Kastrup Copenhagen

Wed 12/9

8:55 am-3:26 pm

2 stops37h 31m

$804

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 11/9

6:50 pm-5:35 pm

2 stops15h 45m

Kastrup Copenhagen

Wed 11/18

7:10 am-1:45 pm

1 stop13h 35m

$807

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 11/9

7:04 pm-5:35 pm

2 stops15h 31m

Kastrup Copenhagen

Wed 11/18

7:10 am-1:45 pm

1 stop13h 35m

$807

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 11/9

4:40 pm-10:40 am

1 stop11h 00m

Kastrup Copenhagen

Wed 11/18

1:50 pm-11:39 pm

1 stop16h 49m

$870

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 11/9

4:40 pm-10:40 am

1 stop11h 00m

Kastrup Copenhagen

Wed 11/18

1:50 pm-11:39 pm

1 stop16h 49m

$875
Quickest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/10

2:40 pm-10:50 am

1 stop13h 10m

Kastrup Copenhagen

Fri 8/14

12:15 pm-6:42 pm

1 stop13h 27m

$901

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

6:54 pm-8:55 am

2 stops31h 01m

Kastrup Copenhagen

Tue 9/15

12:45 pm-11:57 am

2 stops30h 12m

$909

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 9/9

12:10 pm-10:50 am

2 stops15h 40m

Kastrup Copenhagen

Tue 9/15

12:45 pm-11:57 am

2 stops30h 12m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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

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 27% 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 00m

Direct flights

None
The fastest flight from St. Louis to Denmark takes 11h 00m
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?

  • 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
United AirlinesPriceFrom $598Free CancellationRating
7.4
10,048 reviews
Search United Airlines flights
DeltaPriceFrom $643Free CancellationRating
7.8
8,483 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $655Free CancellationRating
7.4
1,903 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $690Free CancellationRating
6.8
8,162 reviews
Search Lufthansa flights
American AirlinesPriceFrom $693Free CancellationRating
7.1
11,839 reviews
Search American Airlines flights
Air CanadaPriceFrom $734Free CancellationRating
7.1
11,399 reviews
Search Air Canada 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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