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Cheap flights from Denmark to St. Louis from $531

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 2/25. 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 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
10:20 am - 9:40 pm
BLL
-
STL
18h 20m
2 stops
Lufthansa Logo
3:50 pm - 10:00 am
STL
-
BLL
11h 10m
1 stop
$531Lufthansa
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
6:35 am - 11:59 pm
BLL
-
STL
24h 24m
2 stops
Multiple Airlines Logo
4:05 pm - 1:30 pm
STL
-
BLL
14h 25m
2 stops
$539Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
Lufthansa Logo
6:30 am - 1:25 pm
CPH
-
STL
13h 55m
1 stop
Lufthansa Logo
1:10 pm - 4:35 pm
STL
-
CPH
20h 25m
2 stops
$546Lufthansa
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
6:45 am - 9:05 pm
BLL
-
STL
21h 20m
2 stops
United Airlines Logo
3:50 pm - 10:00 am
STL
-
BLL
11h 10m
1 stop
$569United Airlines
Sat, Feb 28 - Wed, Mar 4
Lufthansa Logo
6:00 am - 1:25 pm
CPH
-
STL
14h 25m
2 stops
Lufthansa Logo
1:10 pm - 4:35 pm
STL
-
CPH
20h 25m
2 stops
$570Lufthansa
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
6:45 am - 8:23 pm
BLL
-
STL
20h 38m
2 stops
United Airlines Logo
7:41 am - 10:00 am
STL
-
BLL
19h 19m
2 stops
$572United Airlines
Sat, Feb 28 - Wed, Mar 4
Air Canada Logo
12:45 pm - 3:24 pm
CPH
-
STL
33h 39m
1 stop
Air Canada Logo
4:05 pm - 10:50 am
STL
-
CPH
11h 45m
1 stop
$572Air Canada
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
6:20 am - 1:25 pm
CPH
-
STL
14h 05m
1 stop
United Airlines Logo
11:15 am - 9:35 am
STL
-
CPH
15h 20m
2 stops
$581United Airlines
Sun, Apr 26 - Sun, May 3
American Airlines Logo
12:25 pm - 11:46 pm
CPH
-
STL
18h 21m
2 stops
American Airlines Logo
8:03 pm - 8:50 pm
STL
-
CPH
17h 47m
2 stops
$585American Airlines
Sun, Apr 26 - Sun, May 3
Air Canada Logo
10:20 am - 10:59 pm
BLL
-
STL
19h 39m
3 stops
Air Canada Logo
8:17 am - 10:00 am
STL
-
BLL
18h 43m
3 stops
$650Air Canada
Wed, Feb 25 - Sun, Mar 1

United Airlines flights from Denmark to St. Louis

Our best United Airlines deals on Denmark to St. Louis flight tickets
United Airlines
Feb 28
BLL6:45 amBillund
20h 38m
2 stops
STL8:23 pmLambert-St Louis
Mar 4
STL8:30 amLambert-St Louis
18h 30m
2 stops
BLL10:00 amBillund
$569
United Airlines
Feb 28
BLL6:45 amBillund
20h 38m
2 stops
STL8:23 pmLambert-St Louis
Mar 4
STL3:50 pmLambert-St Louis
11h 10m
1 stop
BLL10:00 amBillund
$572
United Airlines
Apr 26
CPH6:20 amKastrup Copenhagen
14h 05m
1 stop
STL1:25 pmLambert-St Louis
May 3
STL11:15 amLambert-St Louis
15h 20m
2 stops
CPH9:35 amKastrup Copenhagen
$581

Air Canada flights from Denmark to St. Louis

Our best Air Canada deals on Denmark to St. Louis flight tickets
Air Canada
Apr 3
CPH12:45 pmKastrup Copenhagen
33h 39m
1 stop
STL3:24 pmLambert-St Louis
Apr 7
STL4:05 pmLambert-St Louis
11h 45m
1 stop
CPH10:50 amKastrup Copenhagen
$572
Air Canada
Feb 25
BLL10:20 amBillund
19h 39m
3 stops
STL10:59 pmLambert-St Louis
Mar 1
STL8:17 amLambert-St Louis
18h 43m
3 stops
BLL10:00 amBillund
$650

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 February 11, 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

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 2/25

10:20 am-9:40 pm

2 stops18h 20m

Lambert-St Louis

Sun 3/1

3:50 pm-10:00 am

1 stop11h 10m

$531

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 2/25

6:35 am-11:59 pm

2 stops24h 24m

Lambert-St Louis

Sun 3/1

4:05 pm-1:30 pm

2 stops14h 25m

$539

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/3

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Tue 4/7

1:10 pm-4:35 pm

2 stops20h 25m

$546

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 2/28

6:45 am-9:05 pm

2 stops21h 20m

Lambert-St Louis

Wed 3/4

3:50 pm-10:00 am

1 stop11h 10m

$569

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/3

6:00 am-1:25 pm

2 stops14h 25m

Lambert-St Louis

Tue 4/7

1:10 pm-4:35 pm

2 stops20h 25m

$570

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 2/28

6:45 am-8:23 pm

2 stops20h 38m

Lambert-St Louis

Wed 3/4

7:41 am-10:00 am

2 stops19h 19m

$572

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/3

12:45 pm-3:24 pm

1 stop33h 39m

Lambert-St Louis

Tue 4/7

4:05 pm-10:50 am

1 stop11h 45m

$572

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Sun 5/3

11:15 am-9:35 am

2 stops15h 20m

$581

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

12:25 pm-11:46 pm

2 stops18h 21m

Lambert-St Louis

Sun 5/3

8:03 pm-8:50 pm

2 stops17h 47m

$585

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 2/25

10:20 am-10:59 pm

3 stops19h 39m

Lambert-St Louis

Sun 3/1

8:17 am-10:00 am

3 stops18h 43m

$650

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $520. The month of November is another great option to travel to St. Louis, with average flight prices from Denmark averaging around $540.

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 $622 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 $504 on momondo.

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

You could potentially save up to 30% 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 55m

Direct flights

None
The fastest flight from Denmark to St. Louis takes 13h 55m
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 $528Free CancellationRating
7.4
9,273 reviews
Search United Airlines flights
Air CanadaPriceFrom $567Free CancellationRating
7.1
10,705 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
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
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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