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$508+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$519
(Ticket)

One-way from

$508
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$859
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 ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Ticket deal was found by Cheapflights users on 8/18. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:05 amCGN - DEN
1 stop20h 35mLufthansa
Sun 9/74:15 pmDEN - CGN
1 stop19h 05mLufthansa
Deal found 8/18$519
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/266:05 amCGN - DEN
1 stop15h 40mUnited Airlines
Thu 10/24:15 pmDEN - CGN
1 stop12h 00mUnited Airlines
Deal found 8/16$620
This British Airways deal was found by Cheapflights users on 8/16. 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 9/2610:00 pmCGN - DEN
2 stops29h 47mBritish Airways
Thu 10/26:59 pmDEN - CGN
2 stops18h 11mBritish Airways
Deal found 8/16$626
This Billigflug deal was found by Cheapflights users on 8/17. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:55 pmCGN - DEN
1 stop13h 45mMultiple Airlines
Sun 9/78:20 pmDEN - CGN
1 stop18h 50mMultiple Airlines
Deal found 8/17$647
This AirNGo deal was found by Cheapflights users on 8/17. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:15 pmCGN - DEN
2 stops31h 07mBritish Airways
Sun 9/76:59 pmDEN - CGN
2 stops35h 21mBritish Airways
Deal found 8/17$1,057

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 August 18, 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

Mon 9/1

6:05 am-6:40 pm

1 stop20h 35m

Denver Intl

Sun 9/7

4:15 pm-7:20 pm

1 stop19h 05m

$519

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 9/26

6:05 am-1:45 pm

1 stop15h 40m

Denver Intl

Thu 10/2

4:15 pm-12:15 pm

1 stop12h 00m

$620

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 9/26

10:00 pm-7:47 pm

2 stops29h 47m

Denver Intl

Thu 10/2

6:59 pm-9:10 pm

2 stops18h 11m

$626

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 9/1

12:55 pm-6:40 pm

1 stop13h 45m

Denver Intl

Sun 9/7

8:20 pm-11:10 pm

1 stop18h 50m

$647

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 9/1

9:15 pm-8:22 pm

2 stops31h 07m

Denver Intl

Sun 9/7

6:59 pm-2:20 pm

2 stops35h 21m

$1,057

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sun 11/23

12:00 pm-9:50 pm

2 stops41h 50m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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, October is the cheapest month in which you can book a flight from Cologne to Denver (average of $197). Flying from Cologne to Denver in March is currently the most expensive (average of $278). 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 15h 40m. Lufthansa provides one of the quickest options available for as low as $620. 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, October is the cheapest month in which you can book a flight from Cologne to Denver (average of $197). Flying from Cologne to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Thornton
Broomfield
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Brighton
Longmont

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