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Cheap flights from St. Louis to Denmark from $439

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Denmark departing on 6/24. 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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0 bags

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Find the cheapest flights from St. Louis to Denmark

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:20 am - 2:20 pm
STL
-
CPH
22h 00m
2 stops
British Airways Logo
12:30 pm - 11:48 pm
CPH
-
STL
17h 18m
2 stops
$454British Airways
dom., mar. 1 - mar., mar. 17
British Airways Logo
2:19 pm - 7:00 pm
STL
-
CPH
21h 41m
2 stops
British Airways Logo
1:00 pm - 7:29 pm
CPH
-
STL
37h 29m
2 stops
$477British Airways
mié., feb. 18 - mié., feb. 25
British Airways Logo
2:19 pm - 7:05 pm
STL
-
CPH
21h 46m
2 stops
British Airways Logo
8:25 pm - 11:48 pm
CPH
-
STL
34h 23m
2 stops
$489British Airways
lun., feb. 16 - lun., feb. 23
Lufthansa Logo
3:50 pm - 1:35 pm
STL
-
CPH
14h 45m
1 stop
Lufthansa Logo
10:10 am - 11:51 pm
CPH
-
STL
19h 41m
2 stops
$501Lufthansa
dom., mar. 1 - mar., mar. 17
Multiple Airlines Logo
4:05 pm - 2:05 pm
STL
-
CPH
15h 00m
2 stops
Multiple Airlines Logo
6:50 am - 2:55 pm
CPH
-
STL
14h 05m
1 stop
$511Multiple Airlines
mié., mar. 4 - mié., mar. 11
Lufthansa Logo
3:50 pm - 1:35 pm
STL
-
CPH
14h 45m
1 stop
Lufthansa Logo
7:00 pm - 2:55 pm
CPH
-
STL
25h 55m
1 stop
$540Lufthansa
dom., mar. 1 - mar., mar. 17
United Airlines Logo
3:50 pm - 11:45 am
STL
-
CPH
12h 55m
1 stop
United Airlines Logo
6:50 am - 2:55 pm
CPH
-
STL
14h 05m
1 stop
$551United Airlines
mié., mar. 4 - mié., mar. 11
Air Canada Logo
4:05 pm - 2:00 pm
STL
-
CPH
14h 55m
2 stops
Air Canada Logo
6:50 am - 3:29 pm
CPH
-
STL
38h 39m
2 stops
$556Air Canada
sáb., mar. 7 - dom., mar. 15
Multiple Airlines Logo
4:05 pm - 2:05 pm
STL
-
CPH
15h 00m
2 stops
Multiple Airlines Logo
8:20 am - 3:29 pm
CPH
-
STL
37h 09m
3 stops
$646Multiple Airlines
mié., mar. 4 - mié., mar. 11
Multiple Airlines Logo
7:30 am - 1:40 am
STL
-
CPH
35h 10m
2 stops
Multiple Airlines Logo
6:00 am - 12:06 pm
CPH
-
STL
37h 06m
2 stops
$654Multiple Airlines
lun., jun. 8 - lun., jun. 15

Air Canada flights from St. Louis to Denmark

Our best Air Canada deals on St. Louis to Denmark flight tickets
Air Canada
Apr 5
STL9:10 amLambert-St Louis
42h 40m
2 stops
CPH10:50 amKastrup Copenhagen
Apr 14
CPH12:45 pmKastrup Copenhagen
39h 23m
2 stops
STL9:08 pmLambert-St Louis
$481
Air Canada
Apr 6
STL4:05 pmLambert-St Louis
11h 45m
1 stop
CPH10:50 amKastrup Copenhagen
Apr 17
CPH12:45 pmKastrup Copenhagen
33h 39m
1 stop
STL3:24 pmLambert-St Louis
$490
Air Canada
Apr 7
STL11:15 amLambert-St Louis
16h 35m
2 stops
CPH10:50 amKastrup Copenhagen
Apr 14
CPH12:45 pmKastrup Copenhagen
33h 39m
1 stop
STL3:24 pmLambert-St Louis
$495

Delta flights from St. Louis to Denmark

Our best Delta deals on St. Louis to Denmark flight tickets
Delta
Apr 9
STL6:32 amLambert-St Louis
17h 13m
2 stops
CPH6:45 amKastrup Copenhagen
Apr 16
CPH9:00 amKastrup Copenhagen
18h 38m
2 stops
STL8:38 pmLambert-St Louis
$593
Delta
Apr 10
STL5:25 pmLambert-St Louis
13h 35m
2 stops
CPH2:00 pmKastrup Copenhagen
Apr 15
CPH6:00 amKastrup Copenhagen
15h 38m
2 stops
STL2:38 pmLambert-St Louis
$606
Delta
Feb 2
STL6:25 amLambert-St Louis
17h 45m
1 stop
CPH7:10 amKastrup Copenhagen
Feb 6
CPH9:55 amKastrup Copenhagen
20h 28m
2 stops
STL11:23 pmLambert-St Louis
$1,201

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Denmark 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 enero 20, 2026.
Use the filters below to find and compare flights from St. Louis to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

dom. 3/1

9:20 am-2:20 pm

2 stops22h 00m

Kastrup Copenhagen

mar. 3/17

12:30 pm-11:48 pm

2 stops17h 18m

$454

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mié. 2/18

2:19 pm-7:00 pm

2 stops21h 41m

Kastrup Copenhagen

mié. 2/25

1:00 pm-7:29 pm

2 stops37h 29m

$477

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 2/16

2:19 pm-7:05 pm

2 stops21h 46m

Kastrup Copenhagen

lun. 2/23

8:25 pm-11:48 pm

2 stops34h 23m

$489

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

dom. 3/1

3:50 pm-1:35 pm

1 stop14h 45m

Kastrup Copenhagen

mar. 3/17

10:10 am-11:51 pm

2 stops19h 41m

$501

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mié. 3/4

4:05 pm-2:05 pm

2 stops15h 00m

Kastrup Copenhagen

mié. 3/11

6:50 am-2:55 pm

1 stop14h 05m

$511

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

dom. 3/1

3:50 pm-1:35 pm

1 stop14h 45m

Kastrup Copenhagen

mar. 3/17

7:00 pm-2:55 pm

1 stop25h 55m

$540

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mié. 3/4

3:50 pm-11:45 am

1 stop12h 55m

Kastrup Copenhagen

mié. 3/11

6:50 am-2:55 pm

1 stop14h 05m

$551

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

sáb. 3/7

4:05 pm-2:00 pm

2 stops14h 55m

Kastrup Copenhagen

dom. 3/15

6:50 am-3:29 pm

2 stops38h 39m

$556

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mié. 3/4

4:05 pm-2:05 pm

2 stops15h 00m

Kastrup Copenhagen

mié. 3/11

8:20 am-3:29 pm

3 stops37h 09m

$646

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 6/8

7:30 am-1:40 am

2 stops35h 10m

Kastrup Copenhagen

lun. 6/15

6:00 am-12:06 pm

2 stops37h 06m

$654

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 Denmark from

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

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 Denmark?

In general, February is the cheapest month to fly from St. Louis to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $651. If you aren’t able to travel to Denmark during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $667.

How far in advance should I book a flight to Denmark?

You are more likely to see cheaper flights to Denmark from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $807 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from St. Louis for as low as $733 on momondo.

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

You could potentially save up to 40% on your flight if you consider stops on a St. Louis to Denmark flight.

Cheap St. Louis to Denmark flight deals and tips

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

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from St. Louis to Denmark takes 16h 50m
There are no direct flights from St. Louis to Denmark. There are no popular flight routes from St. Louis to Denmark.
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to Denmark were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Denmark.

  • What documentation or ID do you need to fly to Denmark?

    The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Denmark

Compare and see reviews for airlines that fly from St. Louis to Denmark with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $523Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
DeltaPriceFrom $593Free CancellationRating
7.9
8,080 reviews
Search Delta flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
KLMPriceFrom $625Free CancellationRating
7.7
1,442 reviews
Search KLM flights
Air CanadaPriceFrom $659Free CancellationRating
7.1
10,637 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $661Free CancellationRating
7.3
1,655 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $662Free CancellationRating
6.8
7,732 reviews
Search Lufthansa flights
American AirlinesPriceFrom $733Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Denmark for you.

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

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

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

Once you have performed a search for St. Louis to Denmark flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Denmark from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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