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$657+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$657
(Flysmarter)

Popular in

July

Cheapest in

May

Average price

$905
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
Highest demand for flights based on searches. 7% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Flysmarter deal was found by Cheapflights users on 1/15. 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.
Mon 3/95:15 pm
CGN
-
DEN
2 stops36h 25m
British Airways
Mon 3/166:25 pm
DEN
-
CGN
1 stop14h 45m
British Airways
Deal found 1/15$657
This Flysmarter deal was found by Cheapflights users on 1/15. 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.
Mon 3/98:40 am
CGN
-
DEN
2 stops31h 15m
Air Canada
Mon 3/1611:15 am
DEN
-
CGN
2 stops17h 55m
Air Canada
Deal found 1/15$725
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Mon 3/99:10 am
CGN
-
DEN
2 stops17h 38m
United Airlines
Mon 3/165:20 pm
DEN
-
CGN
1 stop16h 50m
United Airlines
Deal found 1/15$726
This Air Canada deal was found by Cheapflights users on 1/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:40 am
CGN
-
DEN
2 stops32h 43m
Multiple Airlines
Mon 3/161:25 pm
DEN
-
CGN
2 stops15h 45m
Multiple Airlines
Deal found 1/15$909
This Travelocity deal was found by Cheapflights users on 1/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/189:10 am
CGN
-
DEN
2 stops35h 27m
Multiple Airlines
Wed 1/284:20 pm
DEN
-
CGN
1 stop18h 35m
Multiple Airlines
Deal found 1/13$921
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/189:10 am
CGN
-
DEN
2 stops18h 19m
Air Canada
Wed 1/2811:15 am
DEN
-
CGN
2 stops16h 55m
Air Canada
Deal found 1/13$922

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 January 15, 2026.
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 3/9

5:15 pm-10:40 pm

2 stops36h 25m

Denver Intl

Mon 3/16

6:25 pm-4:10 pm

1 stop14h 45m

$657

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 3/9

8:40 am-8:55 am

2 stops31h 15m

Denver Intl

Mon 3/16

11:15 am-12:10 pm

2 stops17h 55m

$725

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 3/9

9:10 am-7:48 pm

2 stops17h 38m

Denver Intl

Mon 3/16

5:20 pm-5:10 pm

1 stop16h 50m

$726

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 3/9

8:40 am-10:23 am

2 stops32h 43m

Denver Intl

Mon 3/16

1:25 pm-12:10 pm

2 stops15h 45m

$909

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Tue 3/31

1:00 pm-6:50 pm

1 stop13h 50m

Denver Intl

Mon 4/6

1:25 pm-12:20 pm

2 stops14h 55m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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 January.
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 $696). 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 31h 15m. British Airways provides one of the quickest options available for as low as $725. 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 $696). 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
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Broomfield
Westminster
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Lone Tree
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Centennial
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
Idaho Springs

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