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$457+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$766
(Flightsearch)

One-way from

$501
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$792
Provider with most accurate pricing for Lambert-St Louis-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Kastrup Copenhagen flights.
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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. 10% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/64:19 pmSTL - CPH
2 stops24h 11mBritish Airways
Thu 8/212:00 pmCPH - STL
1 stop13h 13mBritish Airways
Deal found 3/26$756
This American Airlines deal was found by Cheapflights users on 3/26. 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 8/62:39 pmSTL - CPH
1 stop13h 36mAmerican Airlines
Thu 8/212:00 pmCPH - STL
1 stop13h 13mAmerican Airlines
Deal found 3/26$763
This Flightsearch deal was found by Cheapflights users on 3/27. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/184:05 pmSTL - CPH
1 stop11h 45mScandinavian Airlines
Thu 5/11:25 pmCPH - STL
1 stop17h 11mScandinavian Airlines
Deal found 3/27$766
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 5/146:00 amSTL - CPH
2 stops17h 30mDelta
Wed 5/219:00 amCPH - STL
2 stops18h 39mDelta
Deal found 3/26$768
This Scandinavian Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 5/197:30 amSTL - CPH
1 stop16h 35mMultiple Airlines
Fri 5/301:25 pmCPH - STL
1 stop14h 14mMultiple Airlines
Deal found 3/26$849
This KLM deal was found by Cheapflights users on 3/26. 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.
Sun 8/311:51 amSTL - CPH
2 stops13h 44mKLM
Tue 8/192:45 pmCPH - STL
2 stops15h 54mKLM
Deal found 3/26$866
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Tue 8/51:30 pmSTL - CPH
1 stop10h 40mAir Canada
Wed 8/2012:25 pmCPH - STL
1 stop14h 35mAir Canada
Deal found 3/26$925
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 8/31:30 pmSTL - CPH
1 stop10h 40mUnited Airlines
Thu 8/2112:45 pmCPH - STL
1 stop33h 36mUnited Airlines
Deal found 3/26$931
This Air France deal was found by Cheapflights users on 3/26. 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.
Tue 8/512:10 pmSTL - CPH
1 stop14h 55mAir France
Mon 8/187:15 amCPH - STL
2 stops16h 30mAir France
Deal found 3/26$945
This Austrian Airlines deal was found by Cheapflights users on 3/26. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:20 pmSTL - CPH
2 stops26h 20mAustrian Airlines
Thu 8/218:00 pmCPH - STL
2 stops29h 13mAustrian Airlines
Deal found 3/26$1,137
This Iberia deal was found by Cheapflights users on 3/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/299:10 amSTL - CPH
2 stops18h 10mIberia
Tue 6/311:05 amCPH - STL
2 stops28h 35mIberia
Deal found 3/27$1,276

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 March 28, 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

Wed 8/6

4:19 pm-11:30 pm

2 stops24h 11m

Kastrup Copenhagen

Thu 8/21

2:00 pm-8:13 pm

1 stop13h 13m

$756

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 8/6

2:39 pm-11:15 am

1 stop13h 36m

Kastrup Copenhagen

Thu 8/21

2:00 pm-8:13 pm

1 stop13h 13m

$763

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Fri 4/18

4:05 pm-10:50 am

1 stop11h 45m

Kastrup Copenhagen

Thu 5/1

1:25 pm-11:36 pm

1 stop17h 11m

$766

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Wed 5/14

6:00 am-6:30 am

2 stops17h 30m

Kastrup Copenhagen

Wed 5/21

9:00 am-8:39 pm

2 stops18h 39m

$768

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 5/19

7:30 am-7:05 am

1 stop16h 35m

Kastrup Copenhagen

Fri 5/30

1:25 pm-8:39 pm

1 stop14h 14m

$849

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 8/3

11:51 am-8:35 am

2 stops13h 44m

Kastrup Copenhagen

Tue 8/19

2:45 pm-11:39 pm

2 stops15h 54m

$866

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 8/5

1:30 pm-7:10 am

1 stop10h 40m

Kastrup Copenhagen

Wed 8/20

12:25 pm-8:00 pm

1 stop14h 35m

$925

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 8/3

1:30 pm-7:10 am

1 stop10h 40m

Kastrup Copenhagen

Thu 8/21

12:45 pm-3:21 pm

1 stop33h 36m

$931

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 8/5

12:10 pm-10:05 am

1 stop14h 55m

Kastrup Copenhagen

Mon 8/18

7:15 am-4:45 pm

2 stops16h 30m

$945

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Thu 8/7

1:20 pm-10:40 pm

2 stops26h 20m

Kastrup Copenhagen

Thu 8/21

8:00 pm-6:13 pm

2 stops29h 13m

$1,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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, 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 $965). 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 March 28, 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.

Rainfall in Denmark by month

Plan your trip to Denmark by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denmark ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Denmark when rainfall is around 0.8 in.

Temperature in Denmark by month

Plan your trip to Denmark by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denmark, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,325 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $965). 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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Alternative routes for St. Louis to Denmark

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$469Average$783FlexibilityNo cancel feeOn-time70%
DeltaCheapest$585Average$791FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$591Average$949FlexibilityNo cancel feeOn-time67%
KLMCheapest$638Average$960FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$639Average$1,010FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$662Average$1,174FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$683Average$1,208FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$685Average$907FlexibilityNo cancel feeOn-time69%
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