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Denmark

$484+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 July 30, 2025.

Round-trip from

$656
(Delta)

One-way from

$484
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$972
From Lambert-St Louis to Denmark
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One-way flight from Lambert-St Louis to Denmark
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 9/93:30 pmSTL - CPH
1 stop11h 25mDelta
Wed 9/1712:30 pmCPH - STL
1 stop17h 39mDelta
Deal found 7/29$656
This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:14 pmSTL - CPH
1 stop14h 41mKLM
Tue 10/219:00 amCPH - STL
1 stop14h 40mKLM
Deal found 7/28$657
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:36 pmSTL - CPH
1 stop12h 14mScandinavian Airlines
Thu 10/21:25 pmCPH - STL
1 stop16h 59mScandinavian Airlines
Deal found 7/29$678
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:15 pmSTL - CPH
1 stop15h 00mBritish Airways
Mon 9/11:15 pmCPH - STL
2 stops40h 59mBritish Airways
Deal found 7/29$696
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Wed 12/33:50 pmSTL - CPH
1 stop19h 15mLufthansa
Sun 12/76:55 amCPH - STL
1 stop14h 00mLufthansa
Deal found 7/29$710
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 12/31:00 pmSTL - CPH
2 stops13h 15mUnited Airlines
Sun 12/76:50 amCPH - STL
1 stop14h 05mUnited Airlines
Deal found 7/27$715
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/91:30 pmSTL - CPH
1 stop10h 40mMultiple Airlines
Fri 8/226:10 amCPH - STL
1 stop14h 20mMultiple Airlines
Deal found 7/28$718
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:16 amSTL - CPH
2 stops17h 59mAmerican Airlines
Mon 9/11:15 pmCPH - STL
2 stops16h 44mAmerican Airlines
Deal found 7/28$725

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 July 30, 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

Tue 9/9

3:30 pm-9:55 am

1 stop11h 25m

Kastrup Copenhagen

Thu 9/18

9:00 am-8:05 pm

1 stop18h 05m

$656

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 10/14

12:14 pm-9:55 am

1 stop14h 41m

Kastrup Copenhagen

Tue 10/21

9:00 am-4:40 pm

1 stop14h 40m

$657

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 9/24

3:36 pm-10:50 am

1 stop12h 14m

Kastrup Copenhagen

Thu 10/2

1:25 pm-11:24 pm

1 stop16h 59m

$678

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Thu 8/28

1:15 pm-11:15 am

1 stop15h 00m

Kastrup Copenhagen

Mon 9/1

1:15 pm-11:14 pm

2 stops40h 59m

$696

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sat 8/9

1:30 pm-7:10 am

1 stop10h 40m

Kastrup Copenhagen

Fri 8/22

6:10 am-1:30 pm

1 stop14h 20m

$718

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 10/8

9:15 am-10:50 am

1 stop18h 35m

Kastrup Copenhagen

Wed 10/29

6:45 am-2:55 pm

1 stop14h 10m

$720

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 8/27

10:16 am-11:15 am

2 stops17h 59m

Kastrup Copenhagen

Mon 9/1

1:15 pm-10:59 pm

2 stops16h 44m

$725

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 8/5

1:00 pm-11:25 pm

3 stops51h 25m

$484

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 8/5

3:59 pm-10:05 am

1 stop11h 06m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, November is the cheapest month in which you can book a flight from St. Louis to Denmark (average of $523). Flying from St. Louis to Denmark in June is currently the most expensive (average of $912). 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 July 30, 2025.

When flying from St. Louis to Denmark, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 30, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United 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
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,453 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, November is the cheapest month in which you can book a flight from St. Louis to Denmark (average of $523). Flying from St. Louis to Denmark in June is currently the most expensive (average of $912). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$590Average$912FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$625Average$960FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$626Average$783FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$639Average$1,057FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$653Average$900FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$655Average$950FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$661Average$962FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$663Average$1,076FlexibilityNo cancel feeOn-time70%

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