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$411+ Cheap flights from Cologne (CGN) to Denver (DEN)

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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This Expedia deal was found by Cheapflights users on 5/18. 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.
Wed 6/178:10 pm
CGN
-
DEN
1 stop26h 10m
Lufthansa
Thu 7/94:15 pm
DEN
-
CGN
1 stop17h 25m
Lufthansa
Deal found 5/18$805
This oojo deal was found by Cheapflights users on 5/22. 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.
Fri 6/58:30 am
CGN
-
DEN
1 stop18h 20m
Lufthansa
Fri 6/128:25 pm
DEN
-
CGN
1 stop14h 30m
Lufthansa
Deal found 5/22$812
This Flysmarter deal was found by Cheapflights users on 5/18. 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.
Sun 6/71:05 pm
CGN
-
DEN
2 stops18h 05m
Air Canada
Sun 6/1411:25 am
DEN
-
CGN
2 stops17h 00m
Air Canada
Deal found 5/18$814
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:30 am
CGN
-
DEN
1 stop13h 50m
Lufthansa
Sun 6/148:25 pm
DEN
-
CGN
1 stop15h 05m
Lufthansa
Deal found 5/20$823
This Expedia deal was found by Cheapflights users on 5/22. 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 6/56:20 am
CGN
-
DEN
2 stops20h 40m
Air Canada
Fri 6/126:10 pm
DEN
-
CGN
2 stops41h 00m
Air Canada
Deal found 5/22$827
This Flysmarter deal was found by Cheapflights users on 5/18. 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.
Sun 6/78:30 am
CGN
-
DEN
2 stops22h 40m
Multiple Airlines
Sun 6/148:25 pm
DEN
-
CGN
1 stop15h 05m
Multiple Airlines
Deal found 5/18$833
This United Airlines deal was found by Cheapflights users on 5/22. 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 6/51:05 pm
CGN
-
DEN
1 stop13h 45m
United Airlines
Fri 6/128:25 pm
DEN
-
CGN
1 stop13h 15m
United Airlines
Deal found 5/22$869

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$805
(Expedia)

One-way from

$411
(Kiwi.com)
Provider with most accurate pricing for Cologne Köln/Bonn-Denver Intl flight deals.
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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
One-way flight from Cologne Köln/Bonn to Denver Intl
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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 May 22, 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

Sun 6/7

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Sun 6/14

8:25 pm-7:30 pm

1 stop15h 05m

$823

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sun 6/7

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Sun 6/14

9:40 am-12:25 pm

2 stops18h 45m

$828

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 6/5

1:05 pm-10:04 pm

2 stops16h 59m

Denver Intl

Fri 6/12

8:25 pm-6:55 pm

1 stop14h 30m

$828

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 6/17

1:05 pm-10:04 pm

2 stops16h 59m

Denver Intl

Thu 7/9

8:25 pm-5:40 pm

1 stop13h 15m

$829
Quickest round-trip

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 6/5

1:05 pm-6:50 pm

1 stop13h 45m

Denver Intl

Fri 6/12

8:25 pm-5:40 pm

1 stop13h 15m

$869

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 6/17

4:35 pm-8:22 pm

3 stops35h 47m

Denver Intl

Thu 7/9

4:40 pm-7:45 pm

2 stops19h 05m

$1,067

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sun 6/7

1:05 pm-7:42 am

3 stops26h 37m

Denver Intl

Sun 6/14

11:25 am-12:25 pm

2 stops17h 00m

$1,156

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 6/8

6:20 am-11:10 pm

2 stops24h 50m

Denver Intl

Fri 6/12

6:10 pm-7:10 pm

2 stops41h 00m

$1,172

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 6/8

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Fri 6/12

5:35 pm-7:45 am

2 stops30h 10m

$1,176

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 6/8

11:20 pm-12:54 pm

3 stops45h 34m

Denver Intl

Fri 6/12

11:25 am-9:55 pm

3 stops26h 30m

$1,475

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 19 resultsSorted by cheapest first
1
2
  • 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 13h 50m. Lufthansa provides one of the quickest options available for as low as $823. There are 4937 mi between Cologne and Denver.

  • 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
Lakewood
Westminster
Broomfield
Centennial
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen

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