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$476+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Cologne to Denver

Best flights from Cologne to Denver
Discover carefully curated flight deals from Cologne to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This British Airways deal was found by Cheapflights users on 12/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/75:10 pmCGN - DEN
1 stop30h 20mBritish Airways
Sat 2/145:25 pmDEN - CGN
1 stop14h 15mBritish Airways
Deal found 12/22$654
This Billigflug deal was found by Cheapflights users on 12/21. 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.
Mon 1/265:15 pmCGN - DEN
2 stops31h 06mMultiple Airlines
Sun 2/112:34 pmDEN - CGN
2 stops19h 56mMultiple Airlines
Deal found 12/21$677
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:15 pmCGN - DEN
1 stop30h 15mBritish Airways
Sun 2/112:52 pmDEN - CGN
2 stops19h 38mBritish Airways
Deal found 12/21$654
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/64:35 pmCGN - DEN
2 stops37h 59mBritish Airways
Tue 2/1012:52 pmDEN - CGN
2 stops19h 38mBritish Airways
Deal found 12/21$660
This British Airways deal was found by Cheapflights users on 12/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:15 pmCGN - DEN
2 stops35h 38mBritish Airways
Mon 2/95:25 pmDEN - CGN
1 stop14h 45mBritish Airways
Deal found 12/22$660

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$654
(British Airways)

One-way from

$476
(British Airways)

Popular in

December

Cheapest in

May

Average price

$1,310
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.
Search Deals
From Cologne Köln/Bonn to Denver Intl
Search Deals
One-way flight from Cologne Köln/Bonn to Denver Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 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

Sat 2/7

5:10 pm-3:30 pm

1 stop30h 20m

Denver Intl

Sat 2/14

5:25 pm-3:40 pm

1 stop14h 15m

$654

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 1/26

5:15 pm-3:30 pm

1 stop30h 15m

Denver Intl

Sun 2/1

12:52 pm-4:30 pm

2 stops19h 38m

$654

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 2/6

4:35 pm-10:34 pm

2 stops37h 59m

Denver Intl

Tue 2/10

12:52 pm-4:30 pm

2 stops19h 38m

$660

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 2/2

5:15 pm-8:53 pm

2 stops35h 38m

Denver Intl

Mon 2/9

5:25 pm-4:10 pm

1 stop14h 45m

$660

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 1/26

5:15 pm-4:21 pm

2 stops31h 06m

Denver Intl

Sun 2/1

12:34 pm-4:30 pm

2 stops19h 56m

$677

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sun 3/15

4:35 pm-4:30 pm

1 stop30h 55m

$476

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 3/13

4:35 pm-4:30 pm

1 stop30h 55m

$476

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 3/16

5:15 pm-4:30 pm

1 stop30h 15m

$476

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 3/12

5:05 pm-4:30 pm

1 stop30h 25m

$542

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 3/14

6:45 am-4:30 pm

2 stops16h 45m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 11 results
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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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cologne-Denver flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $716). 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 30h 20m. British Airways provides one of the quickest options available for as low as $654. 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.

  • 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 $716). 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
Thornton
Black Hawk
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Wheat Ridge
Cripple Creek
Silverthorne
Central City
Frisco
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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