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Cheap flights from Denmark to St. Louis from $567

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denmark to St. Louis departing on 8/17. 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 Denmark to St. Louis

Recent round-trip flight deals from Denmark to St. Louis

Enter your travel dates to find the best prices.
British Airways Logo
3:20 pm - 11:34 pm
CPH
-
STL
15h 14m
1 stop
British Airways Logo
9:40 pm - 10:40 pm
STL
-
CPH
18h 00m
1 stop
$567British Airways
Mon, Aug 17 - Sun, Aug 23
Finnair Logo
6:05 am - 7:30 pm
CPH
-
STL
20h 25m
2 stops
Finnair Logo
1:20 pm - 6:35 pm
STL
-
CPH
22h 15m
2 stops
$569Finnair
Wed, Nov 18 - Sun, Nov 22
British Airways Logo
3:20 pm - 11:34 pm
CPH
-
STL
15h 14m
1 stop
British Airways Logo
6:45 pm - 8:50 pm
STL
-
CPH
19h 05m
2 stops
$571British Airways
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
2:15 pm - 11:39 pm
CPH
-
STL
16h 24m
2 stops
Multiple Airlines Logo
5:45 pm - 2:40 pm
STL
-
CPH
13h 55m
2 stops
$582Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
3:20 pm - 11:34 pm
CPH
-
STL
15h 14m
1 stop
Multiple Airlines Logo
9:40 pm - 8:50 pm
STL
-
CPH
16h 10m
1 stop
$600Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
American Airlines Logo
10:30 am - 10:25 pm
CPH
-
STL
18h 55m
2 stops
American Airlines Logo
4:49 pm - 7:05 pm
STL
-
CPH
19h 16m
2 stops
$604American Airlines
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
6:45 am - 7:30 pm
CPH
-
STL
19h 45m
2 stops
American Airlines Logo
3:22 pm - 2:50 pm
STL
-
CPH
16h 28m
2 stops
$605American Airlines
Thu, Dec 3 - Mon, Dec 7
Delta Logo
9:00 am - 11:58 pm
CPH
-
STL
21h 58m
2 stops
Delta Logo
8:48 am - 11:45 am
STL
-
CPH
19h 57m
1 stop
$606Delta
Mon, Aug 17 - Sun, Aug 23
United Airlines Logo
6:35 am - 1:45 pm
BLL
-
STL
14h 10m
1 stop
United Airlines Logo
3:40 pm - 9:55 am
STL
-
BLL
11h 15m
1 stop
$648United Airlines
Wed, Dec 2 - Sun, Dec 6
United Airlines Logo
6:35 am - 1:45 pm
BLL
-
STL
14h 10m
1 stop
United Airlines Logo
3:40 pm - 9:55 am
STL
-
BLL
11h 15m
1 stop
$649United Airlines
Wed, Dec 2 - Sun, Dec 6

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British Airways flights from Denmark to St. Louis

Our best British Airways deals on Denmark to St. Louis flight tickets
British Airways
Aug 17
CPH3:20 pmKastrup Copenhagen
15h 14m
1 stop
STL11:34 pmLambert-St Louis
Aug 23
STL9:40 pmLambert-St Louis
18h 00m
1 stop
CPH10:40 pmKastrup Copenhagen
$567
British Airways
Aug 17
CPH3:20 pmKastrup Copenhagen
15h 14m
1 stop
STL11:34 pmLambert-St Louis
Aug 23
STL6:45 pmLambert-St Louis
19h 05m
2 stops
CPH8:50 pmKastrup Copenhagen
$571
British Airways
Aug 17
CPH3:20 pmKastrup Copenhagen
15h 14m
1 stop
STL11:34 pmLambert-St Louis
Aug 23
STL6:45 pmLambert-St Louis
19h 05m
2 stops
CPH8:50 pmKastrup Copenhagen
$575

American Airlines flights from Denmark to St. Louis

Our best American Airlines deals on Denmark to St. Louis flight tickets
American Airlines
Dec 3
CPH10:30 amKastrup Copenhagen
18h 55m
2 stops
STL10:25 pmLambert-St Louis
Dec 7
STL4:49 pmLambert-St Louis
19h 16m
2 stops
CPH7:05 pmKastrup Copenhagen
$604
American Airlines
Dec 3
CPH6:45 amKastrup Copenhagen
19h 45m
2 stops
STL7:30 pmLambert-St Louis
Dec 7
STL3:22 pmLambert-St Louis
16h 28m
2 stops
CPH2:50 pmKastrup Copenhagen
$605
American Airlines
Dec 3
CPH6:45 amKastrup Copenhagen
19h 42m
2 stops
STL7:27 pmLambert-St Louis
Dec 7
STL2:54 pmLambert-St Louis
16h 56m
2 stops
CPH2:50 pmKastrup Copenhagen
$608

momondo Fare Finder

 
Customize your flight search to find flights from Denmark to St. Louis 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 June 27, 2026.
Use the filters below to find and compare flights from Denmark to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mon 8/17

3:20 pm-11:34 pm

1 stop15h 14m

Lambert-St Louis

Sun 8/23

9:40 pm-10:40 pm

1 stop18h 00m

$567

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 11/18

6:05 am-7:30 pm

2 stops20h 25m

Lambert-St Louis

Sun 11/22

1:20 pm-6:35 pm

2 stops22h 15m

$569

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mon 8/17

3:20 pm-11:34 pm

1 stop15h 14m

Lambert-St Louis

Sun 8/23

6:45 pm-8:50 pm

2 stops19h 05m

$571

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 11/18

2:15 pm-11:39 pm

2 stops16h 24m

Lambert-St Louis

Sun 11/22

5:45 pm-2:40 pm

2 stops13h 55m

$582

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mon 8/17

3:20 pm-11:34 pm

1 stop15h 14m

Lambert-St Louis

Sun 8/23

9:40 pm-8:50 pm

1 stop16h 10m

$600

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 12/3

10:30 am-10:25 pm

2 stops18h 55m

Lambert-St Louis

Mon 12/7

4:49 pm-7:05 pm

2 stops19h 16m

$604

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 12/3

6:45 am-7:30 pm

2 stops19h 45m

Lambert-St Louis

Mon 12/7

3:22 pm-2:50 pm

2 stops16h 28m

$605

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mon 8/17

9:00 am-11:58 pm

2 stops21h 58m

Lambert-St Louis

Sun 8/23

8:48 am-11:45 am

1 stop19h 57m

$606
Quickest round-trip

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 12/2

6:35 am-1:45 pm

1 stop14h 10m

Lambert-St Louis

Sun 12/6

3:40 pm-9:55 am

1 stop11h 15m

$648

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 12/2

6:35 am-1:45 pm

1 stop14h 10m

Lambert-St Louis

Sun 12/6

3:40 pm-9:55 am

1 stop11h 15m

$649

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 St. Louis?

In general, October is the cheapest month to fly from Denmark to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $271. The month of November is another great option to travel to St. Louis, with average flight prices from Denmark averaging around $453.

How far in advance should I book a flight from Denmark to St. Louis?

You are more likely to see cheaper flights to St. Louis from Denmark when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $690 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Denmark for as low as $464 on momondo.

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

You could potentially save up to 1% on your flight if you consider stops on a Denmark to St. Louis flight.

Cheap Denmark to St. Louis flight deals and tips

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

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from Denmark to St. Louis takes 13h 35m
There are no direct flights from Denmark to St. Louis. There are no popular flight routes from Denmark to St. Louis.
Search flight deals

Frequently asked questions about flying from Denmark to St. Louis

  • When did momondo last update prices for flights from Denmark to Lambert-St Louis Airport?

    Prices for flights from Denmark to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denmark to Lambert-St Louis Airport?

  • How old do you have to be to fly from Denmark to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denmark to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Denmark to St. Louis

Compare and see reviews for airlines that fly from Denmark to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
LufthansaPriceFrom $594Free CancellationRating
6.8
8,096 reviews
Search Lufthansa flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Alton
Wentzville
Farmington
Fenton
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Denmark to St. Louis?

Finding the right flight to St. Louis from Denmark is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Denmark to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denmark to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Denmark to St. Louis?

momondo helps you find the best flight between Denmark and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Denmark to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Denmark are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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