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$771+ Cheap flights from Cologne (CGN) to Denver (DEN)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheap flight deals from Cologne to Denver

Cheapest flights from Cologne to Denver
Explore the most affordable flight options available from Cologne to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This Ticket deal was found by Cheapflights users on 7/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:05 pm
CGN
-
DEN
1 stop13h 45m
Lufthansa
Sun 9/68:25 pm
DEN
-
CGN
1 stop15h 05m
Lufthansa
Deal found 7/20$771
This Expedia deal was found by Cheapflights users on 7/20. 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.
Sat 11/79:10 am
CGN
-
DEN
1 stop13h 20m
Lufthansa
Sat 11/214:15 pm
DEN
-
CGN
1 stop19h 00m
Lufthansa
Deal found 7/20$781
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:30 am
CGN
-
DEN
1 stop18h 20m
Lufthansa
Wed 8/198:25 pm
DEN
-
CGN
1 stop15h 05m
Lufthansa
Deal found 7/20$797
This Expedia deal was found by Cheapflights users on 7/17. 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.
Fri 9/118:10 pm
CGN
-
DEN
1 stop25h 35m
Lufthansa
Sat 9/198:25 pm
DEN
-
CGN
1 stop27h 20m
Lufthansa
Deal found 7/17$817
This Expedia deal was found by Cheapflights users on 7/19. 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 8/138:30 am
CGN
-
DEN
1 stop18h 20m
Multiple Airlines
Wed 8/1911:25 am
DEN
-
CGN
2 stops49h 30m
Multiple Airlines
Deal found 7/19$827
This Sembo deal was found by Cheapflights users on 7/20. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:35 pm
CGN
-
DEN
2 stops15h 56m
Multiple Airlines
Sat 11/217:00 pm
DEN
-
CGN
2 stops33h 35m
Multiple Airlines
Deal found 7/20$839
This Expedia deal was found by Cheapflights users on 7/17. 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.
Fri 9/118:10 pm
CGN
-
DEN
1 stop25h 35m
Multiple Airlines
Sat 9/196:05 pm
DEN
-
CGN
2 stops54h 45m
Multiple Airlines
Deal found 7/17$848
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Fri 9/111:05 pm
CGN
-
DEN
2 stops19h 25m
United Airlines
Sat 9/193:40 pm
DEN
-
CGN
2 stops17h 40m
United Airlines
Deal found 7/17$857

Find flight deals from Cologne to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$771
(Ticket)
Provider with most accurate pricing for Cologne Köln/Bonn-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Denver Intl flights.
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From Cologne Köln/Bonn to Denver Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cologne to Denver 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 21, 2026.
Use the filters below to find and compare flights from Cologne to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 8/13

8:30 am-6:50 pm

1 stop18h 20m

Denver Intl

Wed 8/19

3:40 pm-7:30 pm

2 stops19h 50m

$804

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 8/13

8:30 am-6:50 pm

1 stop18h 20m

Denver Intl

Wed 8/19

11:25 am-8:55 pm

2 stops49h 30m

$827

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 9/11

8:10 pm-1:45 pm

1 stop25h 35m

Denver Intl

Sat 9/19

6:05 pm-8:50 am

2 stops54h 45m

$848
Quickest round-trip

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 9/11

1:05 pm-12:30 am

2 stops19h 25m

Denver Intl

Sat 9/19

3:40 pm-5:20 pm

2 stops17h 40m

$857

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 11/25

6:10 pm-10:22 pm

2 stops36h 12m

Denver Intl

Sun 11/29

7:30 pm-10:30 am

1 stop31h 00m

$1,067

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/8

7:35 pm-6:55 pm

2 stops55h 20m

Denver Intl

Fri 8/28

3:55 pm-6:55 pm

2 stops19h 00m

$1,169

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 11/25

9:10 am-8:27 pm

2 stops43h 17m

Denver Intl

Sun 11/29

1:30 pm-9:15 pm

2 stops23h 45m

$1,295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Cologne-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cologne-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cologne-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cologne-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cologne-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cologne to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Cologne 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.

Related info for your journey

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

  • How long is the flight from Cologne to Denver?

    A quick flight from Cologne to Denver can take about 18h 20m. Lufthansa provides one of the quickest options available for as low as $804. There are 4937 mi between Cologne and Denver. This flight may include one or multiple stops.

  • Can I find deals for flights from Cologne to Denver that include hotel bookings?

    Yes. In addition to deals on Cologne to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cologne to Denver?

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

  • Can I find deals for business class flights from Cologne to Denver?

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

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

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