Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Denmark from $508

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 6/29. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
9:35 pm - 7:15 pm
STL
-
CPH
14h 40m
1 stop
British Airways Logo
8:55 am - 7:30 pm
CPH
-
STL
17h 35m
2 stops
$770British Airways
Tue, Oct 20 - Wed, Nov 4
British Airways Logo
3:33 pm - 3:35 pm
STL
-
CPH
17h 02m
2 stops
British Airways Logo
8:55 am - 7:30 pm
CPH
-
STL
17h 35m
2 stops
$775British Airways
Tue, Oct 20 - Wed, Nov 4
Lufthansa Logo
3:30 pm - 6:35 pm
STL
-
CPH
20h 05m
1 stop
Lufthansa Logo
6:55 am - 1:55 pm
CPH
-
STL
14h 00m
1 stop
$824Lufthansa
Tue, Oct 20 - Wed, Nov 4
British Airways Logo
4:57 pm - 3:40 pm
STL
-
CPH
15h 43m
2 stops
British Airways Logo
9:45 pm - 7:30 pm
CPH
-
STL
28h 45m
1 stop
$825British Airways
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
6:54 pm - 8:55 am
STL
-
CPH
31h 01m
2 stops
United Airlines Logo
12:45 pm - 11:57 am
CPH
-
STL
30h 12m
2 stops
$830United Airlines
Mon, Aug 31 - Tue, Sep 15
United Airlines Logo
5:30 pm - 8:55 am
STL
-
CPH
32h 25m
2 stops
United Airlines Logo
12:45 pm - 12:13 pm
CPH
-
STL
30h 28m
2 stops
$836United Airlines
Mon, Aug 31 - Tue, Sep 15
United Airlines Logo
6:54 pm - 8:55 am
STL
-
CPH
31h 01m
2 stops
United Airlines Logo
12:45 pm - 8:00 pm
CPH
-
STL
14h 15m
1 stop
$843United Airlines
Mon, Aug 31 - Tue, Sep 15
Multiple Airlines Logo
10:16 am - 1:10 pm
STL
-
CPH
19h 54m
2 stops
Multiple Airlines Logo
7:25 pm - 8:26 pm
CPH
-
STL
32h 01m
2 stops
$844Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
10:16 am - 1:10 pm
STL
-
CPH
19h 54m
2 stops
Multiple Airlines Logo
7:25 pm - 8:26 pm
CPH
-
STL
32h 01m
2 stops
$845Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
8:55 am - 10:50 am
STL
-
CPH
18h 55m
1 stop
United Airlines Logo
10:30 am - 1:25 pm
CPH
-
STL
33h 55m
1 stop
$846United Airlines
Mon, Aug 17 - Mon, Aug 24

British Airways flights from St. Louis to Denmark

Our best British Airways deals on St. Louis to Denmark flight tickets
British Airways
Oct 20
STL9:35 pmLambert-St Louis
14h 40m
1 stop
CPH7:15 pmKastrup Copenhagen
Nov 4
CPH8:55 amKastrup Copenhagen
17h 35m
2 stops
STL7:30 pmLambert-St Louis
$770
British Airways
Oct 20
STL3:33 pmLambert-St Louis
17h 02m
2 stops
CPH3:35 pmKastrup Copenhagen
Nov 4
CPH8:55 amKastrup Copenhagen
17h 35m
2 stops
STL7:30 pmLambert-St Louis
$775
British Airways
Aug 17
STL4:57 pmLambert-St Louis
15h 43m
2 stops
CPH3:40 pmKastrup Copenhagen
Aug 24
CPH9:45 pmKastrup Copenhagen
28h 45m
1 stop
STL7:30 pmLambert-St Louis
$825

Lufthansa flights from St. Louis to Denmark

Our best Lufthansa deals on St. Louis to Denmark flight tickets
Lufthansa
Oct 20
STL3:30 pmLambert-St Louis
20h 05m
1 stop
CPH6:35 pmKastrup Copenhagen
Nov 4
CPH6:55 amKastrup Copenhagen
14h 00m
1 stop
STL1:55 pmLambert-St Louis
$824
Lufthansa
Nov 8
STL3:50 pmLambert-St Louis
14h 45m
1 stop
CPH1:35 pmKastrup Copenhagen
Nov 14
CPH10:10 amKastrup Copenhagen
16h 30m
2 stops
STL7:40 pmLambert-St Louis
$882
Lufthansa
Nov 8
STL3:50 pmLambert-St Louis
13h 10m
1 stop
CPH12:00 pmKastrup Copenhagen
Nov 14
CPH7:00 pmKastrup Copenhagen
25h 55m
1 stop
STL1:55 pmLambert-St Louis
$906

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 May 18, 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

Cheapest round-trip
Quickest round-trip

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 10/20

9:35 pm-7:15 pm

1 stop14h 40m

Kastrup Copenhagen

Wed 11/4

8:55 am-7:30 pm

2 stops17h 35m

$770

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 10/20

3:33 pm-3:35 pm

2 stops17h 02m

Kastrup Copenhagen

Wed 11/4

8:55 am-7:30 pm

2 stops17h 35m

$775

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 10/20

3:30 pm-6:35 pm

1 stop20h 05m

Kastrup Copenhagen

Wed 11/4

6:55 am-1:55 pm

1 stop14h 00m

$824

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

4:57 pm-3:40 pm

2 stops15h 43m

Kastrup Copenhagen

Mon 8/24

9:45 pm-7:30 pm

1 stop28h 45m

$825

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

6:54 pm-8:55 am

2 stops31h 01m

Kastrup Copenhagen

Tue 9/15

12:45 pm-11:57 am

2 stops30h 12m

$830

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

5:30 pm-8:55 am

2 stops32h 25m

Kastrup Copenhagen

Tue 9/15

12:45 pm-12:13 pm

2 stops30h 28m

$836

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

6:54 pm-8:55 am

2 stops31h 01m

Kastrup Copenhagen

Tue 9/15

12:45 pm-8:00 pm

1 stop14h 15m

$843

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

10:16 am-1:10 pm

2 stops19h 54m

Kastrup Copenhagen

Mon 8/24

7:25 pm-8:26 pm

2 stops32h 01m

$844

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

10:16 am-1:10 pm

2 stops19h 54m

Kastrup Copenhagen

Mon 8/24

7:25 pm-8:26 pm

2 stops32h 01m

$845

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/17

8:55 am-10:50 am

1 stop18h 55m

Kastrup Copenhagen

Mon 8/24

10:30 am-1:25 pm

1 stop33h 55m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, September 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 $250. If you aren’t able to travel to Denmark during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $523.

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

You could potentially save up to 1% 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

14h 45m

Direct flights

None
The fastest flight from St. Louis to Denmark takes 14h 45m
There are no direct flights from St. Louis to Denmark. There are no popular flight routes from St. Louis to Denmark.
Search flight deals

Frequently asked questions about flying from St. Louis to Denmark

  • 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
7,986 reviews
Search British Airways flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,733 reviews
Search United Airlines flights
DeltaPriceFrom $643Free CancellationRating
7.9
8,452 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $655Free CancellationRating
7.4
1,781 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $684Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
LufthansaPriceFrom $690Free CancellationRating
6.8
8,010 reviews
Search Lufthansa flights
Air CanadaPriceFrom $761Free CancellationRating
7.1
11,062 reviews
Search Air Canada 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.

An easier way to manage your Denmark 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/17
Wed 6/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo
Flights to Copenhagenfrom $401
Flights to Billundfrom $569
Flights to Aalborgfrom $567
Flights to Aarhusfrom $616
Flights to Sønderborgfrom $1,298
Flights to Karupfrom $1,271
Flights to Esbjergfrom $1,557