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Cheap flights from Denmark to St. Louis from $506

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 11/23. 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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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.
Lufthansa Logo
6:50 am - 1:55 pmCPH-STL
14h 05m1 stop
Lufthansa Logo
12:31 pm - 9:20 amSTL-CPH
13h 49m2 stops
$506Lufthansa
Find Deal
Sun, Nov 23 - Fri, Nov 28
Lufthansa Logo
6:50 am - 5:39 pmCPH-STL
17h 49m2 stops
Lufthansa Logo
12:31 pm - 9:20 amSTL-CPH
13h 49m2 stops
$512Lufthansa
Find Deal
Sun, Nov 23 - Fri, Nov 28
Lufthansa Logo
6:50 am - 1:55 pmCPH-STL
14h 05m1 stop
Lufthansa Logo
3:50 pm - 1:45 pmSTL-CPH
14h 55m1 stop
$516Lufthansa
Find Deal
Sun, Nov 23 - Fri, Nov 28
United Airlines Logo
6:45 am - 7:16 pmBLL-STL
19h 31m2 stops
United Airlines Logo
6:42 pm - 1:30 pmSTL-BLL
35h 48m2 stops
$529United Airlines
Find Deal
Sat, Nov 22 - Sat, Dec 6
United Airlines Logo
6:30 am - 10:13 pmBLL-STL
22h 43m2 stops
United Airlines Logo
3:13 pm - 1:20 pmSTL-BLL
16h 07m2 stops
$532United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
2:15 pm - 1:55 pmBLL-STL
30h 40m1 stop
Multiple Airlines Logo
4:05 pm - 10:00 amSTL-BLL
34h 55m2 stops
$574Multiple Airlines
Find Deal
Sat, Nov 22 - Sat, Dec 6
British Airways Logo
6:55 am - 7:30 pmCPH-STL
19h 35m2 stops
British Airways Logo
2:17 pm - 1:15 pmSTL-CPH
15h 58m2 stops
$615British Airways
Find Deal
Sun, Nov 16 - Tue, Nov 25
British Airways Logo
6:55 am - 7:30 pmCPH-STL
19h 35m2 stops
British Airways Logo
3:43 pm - 1:15 pmSTL-CPH
14h 32m2 stops
$616British Airways
Find Deal
Sun, Nov 16 - Tue, Nov 25
Multiple Airlines Logo
1:15 pm - 5:57 pmCPH-STL
35h 42m1 stop
Multiple Airlines Logo
11:39 am - 9:00 amSTL-CPH
14h 21m2 stops
$911Multiple Airlines
Find Deal
Sun, Nov 16 - Tue, Nov 25
Air Canada Logo
6:45 am - 7:39 pmBLL-STL
19h 54m3 stops
Air Canada Logo
6:30 am - 9:40 amSTL-BLL
20h 10m3 stops
$1,254Air Canada
Find Deal
Sat, Nov 22 - Sat, Dec 6

Lufthansa flights from Denmark to St. Louis

Our best Lufthansa deals on Denmark to St. Louis flight tickets
Lufthansa
Nov 23
CPH6:50 amKastrup Copenhagen
14h 05m
1 stop
STL1:55 pmLambert-St Louis
Nov 28
STL12:31 pmLambert-St Louis
13h 49m
2 stops
CPH9:20 amKastrup Copenhagen
$506
Find similar
Lufthansa
Nov 23
CPH6:50 amKastrup Copenhagen
17h 49m
2 stops
STL5:39 pmLambert-St Louis
Nov 28
STL12:31 pmLambert-St Louis
13h 49m
2 stops
CPH9:20 amKastrup Copenhagen
$512
Find similar
Lufthansa
Nov 23
CPH6:50 amKastrup Copenhagen
14h 05m
1 stop
STL1:55 pmLambert-St Louis
Nov 28
STL3:50 pmLambert-St Louis
14h 55m
1 stop
CPH1:45 pmKastrup Copenhagen
$516
Find similar

British Airways flights from Denmark to St. Louis

Our best British Airways deals on Denmark to St. Louis flight tickets
British Airways
Nov 16
CPH6:55 amKastrup Copenhagen
19h 35m
2 stops
STL7:30 pmLambert-St Louis
Nov 25
STL2:17 pmLambert-St Louis
15h 58m
2 stops
CPH1:15 pmKastrup Copenhagen
$615
Find similar
British Airways
Nov 16
CPH6:55 amKastrup Copenhagen
19h 35m
2 stops
STL7:30 pmLambert-St Louis
Nov 25
STL3:43 pmLambert-St Louis
14h 32m
2 stops
CPH1:15 pmKastrup Copenhagen
$616
Find similar
British Airways
Nov 13
CPH6:45 amKastrup Copenhagen
19h 44m
2 stops
STL7:29 pmLambert-St Louis
Nov 19
STL2:52 pmLambert-St Louis
16h 33m
2 stops
CPH2:25 pmKastrup Copenhagen
$625
Find similar

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 November 4, 2025.
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

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/23

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Fri 11/28

12:31 pm-9:20 am

2 stops13h 49m

$506

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/23

6:50 am-5:39 pm

2 stops17h 49m

Lambert-St Louis

Fri 11/28

12:31 pm-9:20 am

2 stops13h 49m

$512

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/23

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Fri 11/28

3:50 pm-1:45 pm

1 stop14h 55m

$516

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/22

6:45 am-7:16 pm

2 stops19h 31m

Lambert-St Louis

Sat 12/6

6:42 pm-1:30 pm

2 stops35h 48m

$529

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

6:30 am-10:13 pm

2 stops22h 43m

Lambert-St Louis

Mon 3/9

3:13 pm-1:20 pm

2 stops16h 07m

$532

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/22

2:15 pm-1:55 pm

1 stop30h 40m

Lambert-St Louis

Sat 12/6

4:05 pm-10:00 am

2 stops34h 55m

$574

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/16

6:55 am-7:30 pm

2 stops19h 35m

Lambert-St Louis

Tue 11/25

2:17 pm-1:15 pm

2 stops15h 58m

$615

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/16

6:55 am-7:30 pm

2 stops19h 35m

Lambert-St Louis

Tue 11/25

3:43 pm-1:15 pm

2 stops14h 32m

$616

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/16

1:15 pm-5:57 pm

1 stop35h 42m

Lambert-St Louis

Tue 11/25

11:39 am-9:00 am

2 stops14h 21m

$911

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/22

6:45 am-7:39 pm

3 stops19h 54m

Lambert-St Louis

Sat 12/6

6:30 am-9:40 am

3 stops20h 10m

$1,254

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 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, April 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 $481. The month of February is another great option to travel to St. Louis, with average flight prices from Denmark averaging around $493.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Sunday when prices can be found for as low as $431. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $740. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Denmark in the morning is the least expensive time of day to depart. momondo users have found prices as low as $577 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $601 per ticket.

How far in advance should I book a flight 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 $565 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 $455 on momondo.

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

You could potentially save up to 55% 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

Direct flights

None
There are no direct flights from Denmark to St. Louis. There are no popular flight routes from Denmark to St. Louis.
Search flight deals

  • 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 $485Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
Air CanadaPriceFrom $567Free CancellationRating
7.1
10,403 reviews
Search Air Canada 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
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.

An easier way to manage your St. Louis trip

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