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$413+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$831
(British Airways)

One-way from

$413
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$692
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
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One-way flight from Cologne Köln/Bonn to Denver Intl
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Highest demand for flights based on searches. 23% potential increase in price ($259 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/2312:55 pmCGN - DEN
1 stop13h 45mMultiple Airlines
Wed 10/2911:15 amDEN - CGN
2 stops16h 20mMultiple Airlines
Deal found 10/13$671
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/2312:55 pmCGN - DEN
1 stop13h 45mLufthansa
Wed 10/295:20 pmDEN - CGN
1 stop12h 30mLufthansa
Deal found 10/13$682
This Lufthansa deal was found by Cheapflights users on 10/14. 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.
Fri 10/248:35 amCGN - DEN
1 stop13h 10mLufthansa
Fri 10/319:20 pmDEN - CGN
1 stop14h 40mLufthansa
Deal found 10/14$697
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 10/236:05 amCGN - DEN
2 stops19h 50mUnited Airlines
Wed 10/291:25 pmDEN - CGN
2 stops16h 25mUnited Airlines
Deal found 10/13$704
This Billigflug deal was found by Cheapflights users on 10/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:05 amCGN - DEN
2 stops21h 31mMultiple Airlines
Fri 10/319:20 pmDEN - CGN
1 stop14h 40mMultiple Airlines
Deal found 10/14$727
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/2412:55 pmCGN - DEN
2 stops19h 02mUnited Airlines
Fri 10/316:35 pmDEN - CGN
2 stops15h 35mUnited Airlines
Deal found 10/14$770
This Flysmarter deal was found by Cheapflights users on 10/13. 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.
Thu 10/238:35 amCGN - DEN
3 stops21h 25mAir Canada
Wed 10/2911:15 amDEN - CGN
2 stops15h 20mAir Canada
Deal found 10/13$1,356

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 October 14, 2025.
Use the filters below to find and compare flights from Cologne to Denver that are best for you.

Fly from

Cologne

Fly to

Denver

Route

Depart

Return

Price

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 10/24

8:35 am-1:45 pm

1 stop13h 10m

Denver Intl

Fri 10/31

9:20 pm-7:00 pm

1 stop14h 40m

$697

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 10/24

6:05 am-7:36 pm

2 stops21h 31m

Denver Intl

Fri 10/31

9:20 pm-7:00 pm

1 stop14h 40m

$727

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 10/24

12:55 pm-11:57 pm

2 stops19h 02m

Denver Intl

Fri 10/31

6:35 pm-5:10 pm

2 stops15h 35m

$770

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 4/2

10:15 am-4:25 pm

1 stop14h 10m

Denver Intl

Sun 4/5

6:35 pm-8:25 pm

1 stop17h 50m

$1,017

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 4/2

10:15 am-4:25 pm

1 stop14h 10m

Denver Intl

Sun 4/5

2:51 pm-8:25 pm

2 stops21h 34m

$1,170

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 4/2

6:20 am-7:55 pm

2 stops21h 35m

Denver Intl

Sun 4/5

11:35 am-11:10 am

2 stops15h 35m

$1,327

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 11/13

1:35 pm-6:55 pm

1 stop13h 20m

$4,436

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Compare providers for flights from Cologne to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cologne to Denver in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Cologne to Denver

What is the cheapest month to book a flight from Cologne to Denver?

Currently, March is the cheapest month in which you can book a flight from Cologne to Denver (average of $528). Flying from Cologne to Denver in July is currently the most expensive (average of $732). 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.

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 10m. Lufthansa provides one of the quickest options available for as low as $697. 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.

  • What is the cheapest month to book a flight from Cologne to Denver?

    Currently, March is the cheapest month in which you can book a flight from Cologne to Denver (average of $528). Flying from Cologne to Denver in July is currently the most expensive (average of $732). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Broomfield
Winter Park
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Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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