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Cheap flights from Denmark to St. Louis from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denmark to St. Louis departing on 8/27. 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
6:00 am - 1:25 pm
BLL
-
STL
14h 25m
1 stop
Lufthansa Logo
1:10 pm - 2:20 pm
STL
-
BLL
18h 10m
2 stops
$594Lufthansa
Fri, Apr 10 - Tue, Apr 14
Lufthansa Logo
10:40 am - 11:11 pm
BLL
-
STL
19h 31m
2 stops
Lufthansa Logo
1:10 pm - 2:20 pm
STL
-
BLL
18h 10m
2 stops
$599Lufthansa
Fri, Apr 10 - Tue, Apr 14
Lufthansa Logo
6:30 am - 1:25 pm
CPH
-
STL
13h 55m
1 stop
Lufthansa Logo
1:10 pm - 4:25 pm
STL
-
CPH
20h 15m
2 stops
$606Lufthansa
Fri, Apr 17 - Wed, Apr 22
Lufthansa Logo
6:30 am - 1:25 pm
CPH
-
STL
13h 55m
1 stop
Lufthansa Logo
3:30 pm - 11:35 am
STL
-
CPH
13h 05m
1 stop
$608Lufthansa
Fri, Apr 17 - Wed, Apr 22
Lufthansa Logo
10:10 am - 9:13 pm
CPH
-
STL
18h 03m
2 stops
Lufthansa Logo
12:15 pm - 4:25 pm
STL
-
CPH
21h 10m
2 stops
$612Lufthansa
Fri, Apr 17 - Wed, Apr 22
United Airlines Logo
6:00 am - 6:56 pm
BLL
-
STL
19h 56m
2 stops
United Airlines Logo
3:30 pm - 5:50 pm
STL
-
BLL
19h 20m
1 stop
$642United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
10:35 am - 6:56 pm
BLL
-
STL
15h 21m
2 stops
United Airlines Logo
3:30 pm - 5:50 pm
STL
-
BLL
19h 20m
1 stop
$643United Airlines
Sat, Aug 29 - Wed, Sep 2
American Airlines Logo
10:20 am - 7:30 pm
CPH
-
STL
16h 10m
1 stop
American Airlines Logo
11:45 am - 11:25 pm
STL
-
CPH
28h 40m
2 stops
$655American Airlines
Wed, Apr 29 - Fri, May 8
Air Canada Logo
6:00 am - 3:25 pm
BLL
-
STL
16h 25m
2 stops
Air Canada Logo
1:10 pm - 2:20 pm
STL
-
BLL
18h 10m
3 stops
$794Air Canada
Fri, Apr 10 - Tue, Apr 14
Air Canada Logo
6:00 am - 6:11 pm
BLL
-
STL
19h 11m
3 stops
Air Canada Logo
1:10 pm - 2:20 pm
STL
-
BLL
18h 10m
3 stops
$1,319Air Canada
Fri, Apr 10 - Tue, Apr 14

American Airlines flights from Denmark to St. Louis

Our best American Airlines deals on Denmark to St. Louis flight tickets
American Airlines
Apr 29
CPH10:20 amKastrup Copenhagen
16h 10m
1 stop
STL7:30 pmLambert-St Louis
May 8
STL11:45 amLambert-St Louis
28h 40m
2 stops
CPH11:25 pmKastrup Copenhagen
$655
American Airlines
Apr 28
CPH7:15 amKastrup Copenhagen
19h 18m
2 stops
STL7:33 pmLambert-St Louis
May 10
STL3:38 pmLambert-St Louis
22h 12m
2 stops
CPH8:50 pmKastrup Copenhagen
$660
American Airlines
Apr 5
CPH7:00 amKastrup Copenhagen
18h 00m
2 stops
STL6:00 pmLambert-St Louis
Apr 12
STL8:03 pmLambert-St Louis
14h 17m
2 stops
CPH5:20 pmKastrup Copenhagen
$1,002

Air Canada flights from Denmark to St. Louis

Our best Air Canada deals on Denmark to St. Louis flight tickets
Air Canada
May 2
CPH6:40 amKastrup Copenhagen
20h 45m
2 stops
STL8:25 pmLambert-St Louis
May 11
STL7:05 amLambert-St Louis
20h 45m
1 stop
CPH10:50 amKastrup Copenhagen
$657
Air Canada
Apr 30
CPH12:25 pmKastrup Copenhagen
30h 41m
2 stops
STL12:06 pmLambert-St Louis
May 11
STL7:05 amLambert-St Louis
20h 45m
1 stop
CPH10:50 amKastrup Copenhagen
$662
Air Canada
May 2
CPH12:45 pmKastrup Copenhagen
30h 21m
1 stop
STL12:06 pmLambert-St Louis
May 11
STL7:05 amLambert-St Louis
20h 45m
1 stop
CPH10:50 amKastrup Copenhagen
$670

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 March 28, 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

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 4/10

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 4/14

1:10 pm-2:20 pm

2 stops18h 10m

$594

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 4/10

10:40 am-11:11 pm

2 stops19h 31m

Lambert-St Louis

Tue 4/14

1:10 pm-2:20 pm

2 stops18h 10m

$599

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Wed 4/22

1:10 pm-4:25 pm

2 stops20h 15m

$606
Quickest round-trip

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Wed 4/22

3:30 pm-11:35 am

1 stop13h 05m

$608

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

10:10 am-9:13 pm

2 stops18h 03m

Lambert-St Louis

Wed 4/22

12:15 pm-4:25 pm

2 stops21h 10m

$612

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 8/29

6:00 am-6:56 pm

2 stops19h 56m

Lambert-St Louis

Wed 9/2

3:30 pm-5:50 pm

1 stop19h 20m

$642

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 8/29

10:35 am-6:56 pm

2 stops15h 21m

Lambert-St Louis

Wed 9/2

3:30 pm-5:50 pm

1 stop19h 20m

$643

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 4/29

10:20 am-7:30 pm

1 stop16h 10m

Lambert-St Louis

Fri 5/8

11:45 am-11:25 pm

2 stops28h 40m

$655

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 4/10

6:00 am-3:25 pm

2 stops16h 25m

Lambert-St Louis

Tue 4/14

1:10 pm-2:20 pm

3 stops18h 10m

$794

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 4/10

6:00 am-6:11 pm

3 stops19h 11m

Lambert-St Louis

Tue 4/14

1:10 pm-2:20 pm

3 stops18h 10m

$1,319

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 $532. 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 $621 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 $517 on momondo.

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

You could potentially save up to 31% 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
9,499 reviews
Search United Airlines flights
LufthansaPriceFrom $594Free CancellationRating
6.8
7,872 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

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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