HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$723+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cologne to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 9, 2025.

This lastminute.com deal was found by Cheapflights users on 12/7. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:45 amCGN - DEN
2 stops18h 16mBritish Airways
Sat 12/275:25 pmDEN - CGN
1 stop14h 15mBritish Airways
Deal found 12/7$1,157

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 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$723
(Gotogate)

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
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 9, 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

Thu 1/15

9:10 am-2:35 pm

1 stop13h 25m

Denver Intl

Wed 1/21

11:15 am-12:10 pm

2 stops16h 55m

$723

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 2/7

8:40 am-7:55 pm

2 stops19h 15m

Denver Intl

Sun 2/15

11:15 am-12:10 pm

2 stops16h 55m

$739

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 1/15

8:40 am-7:55 pm

2 stops19h 15m

Denver Intl

Wed 1/21

11:15 am-12:10 pm

2 stops16h 55m

$740

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 2/7

9:10 am-2:35 pm

1 stop13h 25m

Denver Intl

Sun 2/15

9:36 am-12:10 pm

2 stops18h 34m

$873

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 2/12

5:05 pm-3:30 pm

1 stop30h 25m

Denver Intl

Mon 2/16

9:17 am-4:10 pm

2 stops22h 53m

$1,068

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 2/12

1:35 pm-7:55 pm

2 stops38h 20m

Denver Intl

Mon 2/16

5:30 pm-12:35 pm

2 stops35h 05m

$1,078

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 13h 25m. Air Canada provides one of the quickest options available for as low as $873. 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 $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
Black Hawk
Thornton
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cologne to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Denver flights
Munich to Denver flights
Duesseldorf Intl to Denver flights
Berlin to Denver flights
Frankfurt to Aspen flights
Stuttgart to Denver flights
Hamburg to Denver flights
Nuremberg to Denver flights
Hannover to Denver flights
Frankfurt to Colorado Springs flights
Bremen to Denver flights
Duesseldorf Intl to Colorado Springs flights
Leipzig to Denver flights
Nuremberg to Colorado Springs flights
Dresden to Denver flights
Münster to Denver flights
Munich to Colorado Springs flights
Berlin to Colorado Springs flights
Cologne to Colorado Springs flights
Friedrichshafen to Denver flights
Dortmund to Denver flights
Hamburg to Colorado Springs flights
Stuttgart to Colorado Springs flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.