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$673+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Dec 7 — Dec 141
Sun 12/7
Sun 12/14
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 November 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$673
(Flysmarter)

Popular in

December

Cheapest in

March
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. 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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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 November 7, 2025.

This Flysmarter deal was found by Cheapflights users on 11/5. 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 11/176:45 amCGN - DEN
2 stops21h 10mAir Canada
Mon 11/2411:15 amDEN - CGN
2 stops16h 55mAir Canada
Deal found 11/5$673
This Gotogate deal was found by Cheapflights users on 11/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:45 amCGN - DEN
2 stops21h 10mAir Canada
Fri 12/511:15 amDEN - CGN
2 stops16h 55mAir Canada
Deal found 11/6$677
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:20 pmCGN - DEN
1 stop13h 35mLufthansa
Mon 11/248:20 pmDEN - CGN
1 stop14h 35mLufthansa
Deal found 11/5$690
This Flysmarter deal was found by Cheapflights users on 11/5. 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 11/176:45 amCGN - DEN
2 stops21h 10mMultiple Airlines
Mon 11/248:20 pmDEN - CGN
1 stop14h 35mMultiple Airlines
Deal found 11/5$697
This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:20 pmCGN - DEN
1 stop30h 35mMultiple Airlines
Fri 12/58:45 amDEN - CGN
2 stops26h 15mMultiple Airlines
Deal found 11/6$699
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 11/239:10 amCGN - DEN
1 stop17h 45mUnited Airlines
Fri 12/54:20 pmDEN - CGN
1 stop18h 40mUnited Airlines
Deal found 11/6$735
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 11/239:10 amCGN - DEN
1 stop17h 45mUnited Airlines
Sat 12/64:20 pmDEN - CGN
1 stop12h 10mUnited Airlines
Deal found 11/6$789
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/179:10 amCGN - DEN
1 stop17h 45mUnited Airlines
Mon 11/248:20 pmDEN - CGN
1 stop12h 50mUnited Airlines
Deal found 11/6$835

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 November 7, 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 11/17

6:45 am-7:55 pm

2 stops21h 10m

Denver Intl

Mon 11/24

11:15 am-12:10 pm

2 stops16h 55m

$673

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/24

6:45 am-7:55 pm

2 stops21h 10m

Denver Intl

Fri 12/5

11:15 am-12:10 pm

2 stops16h 55m

$677

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/17

1:20 pm-6:55 pm

1 stop13h 35m

Denver Intl

Mon 11/24

8:20 pm-6:55 pm

1 stop14h 35m

$690

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/17

6:45 am-7:55 pm

2 stops21h 10m

Denver Intl

Mon 11/24

8:20 pm-6:55 pm

1 stop14h 35m

$697

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/24

9:10 am-6:55 pm

1 stop17h 45m

Denver Intl

Fri 12/5

4:20 pm-7:00 pm

1 stop18h 40m

$735

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sun 11/23

9:10 am-6:55 pm

1 stop17h 45m

Denver Intl

Fri 12/5

4:20 pm-7:00 pm

1 stop18h 40m

$735

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sun 11/23

9:10 am-6:55 pm

1 stop17h 45m

Denver Intl

Sat 12/6

4:20 pm-12:30 pm

1 stop12h 10m

$789

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 3/25

1:20 pm-7:55 pm

1 stop13h 35m

Denver Intl

Wed 4/8

4:05 pm-12:20 pm

1 stop12h 15m

$829

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 3/25

1:20 pm-7:55 pm

1 stop13h 35m

Denver Intl

Thu 4/9

4:05 pm-12:20 pm

1 stop12h 15m

$829

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 3/26

1:35 pm-7:55 pm

1 stop13h 20m

Denver Intl

Wed 4/8

6:00 am-12:20 pm

2 stops22h 20m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 12 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 November.
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 $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 35m. Air Canada provides one of the quickest options available for as low as $690. 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
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

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