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Denmark

$305+ Cheap flights from St. Louis (STL) to Denmark

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Denmark

Cheapest flights from St. Louis to Denmark
Explore the most affordable flight options available from St. Louis to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Air France deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:12 pmSTL - CPH
2 stops14h 28mMultiple Airlines
jue. 12/186:00 amCPH - STL
2 stops17h 35mMultiple Airlines
Deal found 12/9$1,227
This Air Canada deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/204:05 pmSTL - CPH
2 stops20h 00mMultiple Airlines
mar. 1/69:50 amCPH - STL
2 stops36h 39mMultiple Airlines
Deal found 12/11$2,470
This Finnair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2011:41 amSTL - CPH
2 stops22h 59mFinnair
jue. 1/87:50 pmCPH - STL
2 stops30h 39mFinnair
Deal found 12/10$2,491
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:02 pmSTL - CPH
2 stops14h 58mDelta
mar. 1/66:45 amCPH - STL
2 stops23h 40mDelta
Deal found 12/10$2,507
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/203:10 pmSTL - CPH
2 stops14h 15mUnited Airlines
mar. 1/612:45 pmCPH - STL
1 stop32h 10mUnited Airlines
Deal found 12/11$2,875
This Air Canada deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/204:05 pmSTL - CPH
2 stops20h 00mMultiple Airlines
jue. 1/86:20 amCPH - STL
3 stops40h 09mMultiple Airlines
Deal found 12/11$2,998

Find flight deals from St. Louis to Denmark

Keep the following information in mind while searching for St. Louis to Denmark flight deals. Data was last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$527
(oojo)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$912
Provider with most accurate pricing for Lambert-St Louis-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Kastrup Copenhagen flights.
Search Deals
From Lambert-St Louis to Denmark
Search Deals
One-way flight from Lambert-St Louis to Denmark
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from St. Louis to Denmark that are best for you.

Fly from

St. Louis

Fly to

Denmark

Route

Depart

Return

Price

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 1/26

2:54 pm-2:50 pm

2 stops16h 56m

Kastrup Copenhagen

mar. 2/10

1:00 pm-10:59 pm

2 stops40h 59m

$527

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mié. 1/28

1:18 pm-1:10 pm

2 stops16h 52m

Kastrup Copenhagen

mar. 2/10

6:00 am-8:06 pm

2 stops21h 06m

$544

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mar. 1/27

1:00 pm-1:10 pm

2 stops17h 10m

Kastrup Copenhagen

mar. 2/10

6:00 am-4:42 pm

2 stops17h 42m

$544

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

vie. 1/23

1:18 pm-1:10 pm

2 stops16h 52m

Kastrup Copenhagen

mar. 2/10

6:00 am-8:06 pm

2 stops21h 06m

$544

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

vie. 1/30

6:30 am-11:25 am

2 stops21h 55m

Kastrup Copenhagen

mar. 2/3

10:10 am-3:15 pm

2 stops36h 05m

$550

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

dom. 1/25

6:57 pm-5:00 pm

2 stops15h 03m

Kastrup Copenhagen

mar. 2/10

2:15 pm-11:37 pm

2 stops16h 22m

$551

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

jue. 1/29

9:45 am-9:20 am

2 stops16h 35m

Kastrup Copenhagen

mar. 2/10

6:00 am-4:07 pm

2 stops17h 07m

$551

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

sáb. 3/7

1:33 pm-2:20 pm

2 stops17h 47m

Kastrup Copenhagen

dom. 3/15

6:55 am-10:58 pm

2 stops22h 03m

$555

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mar. 1/27

4:05 pm-2:10 pm

2 stops15h 05m

Kastrup Copenhagen

mar. 2/10

10:10 am-7:27 pm

2 stops16h 17m

$556

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

dom. 1/25

6:40 pm-5:35 pm

2 stops15h 55m

Kastrup Copenhagen

mar. 2/10

10:10 am-7:27 pm

2 stops16h 17m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results
1
2

Best time to book a flight from St. Louis to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Denmark

What is the cheapest month to book a flight from St. Louis to Denmark?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Denmark (average of $536). Flying from St. Louis to Denmark in June is currently the most expensive (average of $856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to DK?

Find hourly flight availability from St. Louis to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

It’s typically best to fly out from St. Louis to Denmark at noon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denmark. Reviews last updated diciembre 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Denmark to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,516 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,626 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Denmark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Denmark?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Denmark.

  • How long is the flight from St. Louis to Denmark?

    For as low as $544, British Airways can have you in Denmark from St. Louis in 16h 52m. The distance from St. Louis to Denmark is about 4511 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Denmark that include hotel bookings?

    Yes. In addition to deals on St. Louis to Denmark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Denmark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Denmark.

  • Can I find deals for business class flights from St. Louis to Denmark?

    Yes. Cheapflights offers flight deals from St. Louis to Denmark by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Denmark?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Denmark (average of $536). Flying from St. Louis to Denmark in June is currently the most expensive (average of $856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 8 airlines flying from St. Louis to Denmark

Discover the top 8 airlines that operate flights from St. Louis to Denmark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$523Average$973FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$598Average$797FlexibilityNo cancel feeOn-time69%
KLMCheapest$625Average$755FlexibilityNo cancel feeOn-time75%
DeltaCheapest$643Average$787FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$659Average$950FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$661Average$957FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$690Average$800FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$733Average$1,056FlexibilityNo cancel feeOn-time71%

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