St. Louis

$501+ Cheap flights from Denmark to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — STL
Dez 1 — Dez 81
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Cheap flight deals from Denmark to St. Louis

Keep the following information in mind while searching for Denmark to St. Louis flight deals. Data was last updated November 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$501
(ResecentrumGruppen)

Popular in

July

Cheapest in

April

Average price

$540
Provider with most accurate pricing for Kastrup Copenhagen-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Lambert-St Louis flights.
From Denmark to Lambert-St Louis
Highest demand for flights based on searches. 12% potential increase in price ($78 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Denmark to St. Louis

Cheapest flights from Denmark to St. Louis
Explore the most affordable flight options available from Denmark to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2025.

This ResecentrumGruppen deal was found by Cheapflights users on 11/1. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 11/236:50 amCPH - STL
1 stop14h 05mLufthansa
Fr 11/286:43 pmSTL - CPH
2 stops15h 52mLufthansa
Deal found 11/1$501
This ResecentrumGruppen deal was found by Cheapflights users on 10/31. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 11/216:50 amCPH - STL
1 stop14h 05mLufthansa
Fr 12/56:42 pmSTL - CPH
2 stops16h 33mLufthansa
Deal found 10/31$505
This Flysmarter deal was found by Cheapflights users on 10/31. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 11/216:50 amCPH - STL
1 stop14h 05mLufthansa
Fr 11/286:43 pmSTL - CPH
2 stops15h 52mLufthansa
Deal found 10/31$506
This Lufthansa deal was found by Cheapflights users on 10/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 12/36:50 amCPH - STL
1 stop14h 05mLufthansa
So 12/76:42 pmSTL - CPH
2 stops15h 53mLufthansa
Deal found 10/31$536
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mi 12/36:50 amCPH - STL
1 stop14h 05mUnited Airlines
So 12/76:42 pmSTL - CPH
2 stops21h 23mUnited Airlines
Deal found 10/30$538
This Flysmarter deal was found by Cheapflights users on 10/30. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 11/1510:35 amBLL - STL
2 stops18h 47mMultiple Airlines
Mi 11/191:10 pmSTL - BLL
2 stops13h 50mMultiple Airlines
Deal found 10/30$625

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 1, 2025.
Use the filters below to find and compare flights from Denmark to St. Louis that are best for you.

Fly from

Denmark

Fly to

St. Louis

Route

Depart

Return

Price

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

So 11/23

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Fr 11/28

6:43 pm-5:35 pm

2 stops15h 52m

$501

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fr 11/21

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Fr 12/5

6:42 pm-6:15 pm

2 stops16h 33m

$505

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fr 11/21

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Fr 11/28

6:43 pm-5:35 pm

2 stops15h 52m

$506

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Do 3/5

6:30 am-10:21 am

2 stops34h 51m

Lambert-St Louis

Mo 3/9

3:13 pm-1:20 pm

2 stops16h 07m

$534

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mi 12/3

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

So 12/7

6:42 pm-5:35 pm

2 stops15h 53m

$536

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mi 12/3

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

So 12/7

6:42 pm-11:05 pm

2 stops21h 23m

$538

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Do 3/5

2:00 pm-1:55 pm

1 stop30h 55m

Lambert-St Louis

Mo 3/9

6:30 pm-9:45 am

2 stops33h 15m

$554

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sa 11/15

10:35 am-10:22 pm

2 stops18h 47m

Lambert-St Louis

Mi 11/19

1:10 pm-10:00 am

2 stops13h 50m

$625

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mo 11/17

10:40 am-2:24 pm

2 stops34h 44m

$939

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Mo 11/17

12:55 pm-4:33 pm

1 stop34h 38m

$1,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Denmark 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 Denmark to St. Louis

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

Currently, March is the cheapest month in which you can book a flight from Denmark to St. Louis (average of $357). Flying from Denmark to St. Louis in July is currently the most expensive (average of $511). 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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 1, 2025.
Read through reviews of airlines operating flights from Denmark to St. Louis, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Denmark to St. Louis. 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 into for flights to St. Louis from Denmark?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Denmark.

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

    A quick flight from Denmark to St. Louis can take about 14h 05m. Lufthansa provides one of the quickest options available for as low as $501. Airlines will cover a distance of 4511 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denmark to St. Louis 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 Denmark to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from Denmark to St. Louis (average of $357). Flying from Denmark to St. Louis in July is currently the most expensive (average of $511). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 2 airlines flying from Denmark to St. Louis

Discover the top 2 airlines that operate flights from Denmark to St. Louis. 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 November 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$594FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$567Average$588FlexibilityNo cancel feeOn-time67%

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