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Cheap flights from Denmark to St. Louis from $346

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 5/10. 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.
Finnair Logo
6:05 am - 7:29 pm
CPH
-
STL
20h 24m2 stops
Finnair Logo
11:55 am - 6:35 pm
STL
-
CPH
23h 40m2 stops
$488Finnair
Fri, Jan 23 - Wed, Jan 28
British Airways Logo
1:00 pm - 6:14 pm
BLL
-
STL
36h 14m2 stops
British Airways Logo
12:11 pm - 12:20 pm
STL
-
BLL
17h 09m2 stops
$509British Airways
Thu, Jan 22 - Mon, Jan 26
Lufthansa Logo
6:50 am - 1:55 pm
CPH
-
STL
14h 05m1 stop
Lufthansa Logo
3:50 pm - 1:35 pm
STL
-
CPH
14h 45m1 stop
$532Lufthansa
Fri, Jan 23 - Wed, Jan 28
Lufthansa Logo
6:50 am - 1:55 pm
CPH
-
STL
14h 05m1 stop
Lufthansa Logo
11:22 am - 12:25 pm
STL
-
CPH
18h 03m2 stops
$533Lufthansa
Fri, Jan 23 - Wed, Jan 28
British Airways Logo
6:45 am - 9:15 pm
CPH
-
STL
21h 30m2 stops
British Airways Logo
5:04 pm - 5:10 pm
STL
-
CPH
17h 06m2 stops
$562British Airways
Thu, Jan 15 - Mon, Jan 19
British Airways Logo
12:15 pm - 10:55 pm
CPH
-
STL
17h 40m2 stops
British Airways Logo
2:54 pm - 4:10 pm
STL
-
CPH
18h 16m2 stops
$564British Airways
Thu, Jan 15 - Mon, Jan 19
Scandinavian Airlines Logo
1:15 pm - 11:39 pm
CPH
-
STL
17h 24m1 stop
Scandinavian Airlines Logo
3:45 pm - 10:40 am
STL
-
CPH
11h 55m1 stop
$1,227Scandinavian Airlines
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
11:10 pm - 7:51 pm
CPH
-
STL
27h 41m3 stops
Multiple Airlines Logo
3:50 pm - 10:10 pm
STL
-
CPH
23h 20m2 stops
$1,253Multiple Airlines
Fri, Jan 23 - Wed, Jan 28
Scandinavian Airlines Logo
1:15 pm - 11:39 pm
CPH
-
STL
17h 24m1 stop
Scandinavian Airlines Logo
3:45 pm - 10:40 am
STL
-
CPH
11h 55m1 stop
$1,255Scandinavian Airlines
Thu, Jan 15 - Mon, Jan 19

British Airways flights from Denmark to St. Louis

Our best British Airways deals on Denmark to St. Louis flight tickets
British Airways
Jan 22
BLL1:00 pmBillund
36h 14m
2 stops
STL6:14 pmLambert-St Louis
Jan 26
STL12:11 pmLambert-St Louis
17h 09m
2 stops
BLL12:20 pmBillund
$509
Find similar
British Airways
Jan 22
BLL1:00 pmBillund
55h 09m
2 stops
STL1:09 pmLambert-St Louis
Jan 26
STL1:35 pmLambert-St Louis
15h 45m
2 stops
BLL12:20 pmBillund
$511
Find similar
British Airways
Jan 15
CPH6:45 amKastrup Copenhagen
21h 30m
2 stops
STL9:15 pmLambert-St Louis
Jan 19
STL5:04 pmLambert-St Louis
17h 06m
2 stops
CPH5:10 pmKastrup Copenhagen
$562
Find similar

Scandinavian Airlines flights from Denmark to St. Louis

Our best Scandinavian Airlines deals on Denmark to St. Louis flight tickets
Scandinavian Airlines
Jan 15
CPH1:15 pmKastrup Copenhagen
17h 24m
1 stop
STL11:39 pmLambert-St Louis
Jan 19
STL3:45 pmLambert-St Louis
11h 55m
1 stop
CPH10:40 amKastrup Copenhagen
$1,227
Find similar
Scandinavian Airlines
Jan 15
CPH1:15 pmKastrup Copenhagen
17h 24m
1 stop
STL11:39 pmLambert-St Louis
Jan 19
STL3:45 pmLambert-St Louis
11h 55m
1 stop
CPH10:40 amKastrup Copenhagen
$1,255
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 December 23, 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

Fri 1/23

6:05 am-7:29 pm

2 stops20h 24m

Lambert-St Louis

Wed 1/28

11:55 am-6:35 pm

2 stops23h 40m

$488

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 1/22

1:00 pm-6:14 pm

2 stops36h 14m

Lambert-St Louis

Mon 1/26

12:11 pm-12:20 pm

2 stops17h 09m

$509

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 1/23

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Wed 1/28

3:50 pm-1:35 pm

1 stop14h 45m

$532

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 1/23

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Wed 1/28

11:22 am-12:25 pm

2 stops18h 03m

$533

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 1/15

6:45 am-9:15 pm

2 stops21h 30m

Lambert-St Louis

Mon 1/19

5:04 pm-5:10 pm

2 stops17h 06m

$562

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 1/15

12:15 pm-10:55 pm

2 stops17h 40m

Lambert-St Louis

Mon 1/19

2:54 pm-4:10 pm

2 stops18h 16m

$564

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 1/15

1:15 pm-11:39 pm

1 stop17h 24m

Lambert-St Louis

Mon 1/19

3:45 pm-10:40 am

1 stop11h 55m

$1,227

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 1/23

11:10 pm-7:51 pm

3 stops27h 41m

Lambert-St Louis

Wed 1/28

3:50 pm-10:10 pm

2 stops23h 20m

$1,253

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 1/15

1:15 pm-11:39 pm

1 stop17h 24m

Lambert-St Louis

Mon 1/19

3:45 pm-10:40 am

1 stop11h 55m

$1,255

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 5/10

8:50 am-6:17 pm

2 stops16h 27m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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, February 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 $493. The month of April is another great option to travel to St. Louis, with average flight prices from Denmark averaging around $502.

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 $587 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 $502 on momondo.

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

You could potentially save up to 47% 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

17h 40m

Direct flights

None
The fastest flight from Denmark to St. Louis takes 17h 40m
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
9,106 reviews
Search United Airlines flights
Air CanadaPriceFrom $567Free CancellationRating
7.1
10,551 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
O'Fallon
Florissant
Fenton
St. Peters
Wentzville
Collinsville
Alton
Farmington
Clayton
Festus
Glencoe
Eureka
Edwardsville
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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