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$492+ Cheap flights from Denver (DEN) to Cologne (CGN)

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CGN
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Denver to Cologne

Best flights from Denver to Cologne
Discover carefully curated flight deals from Denver to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This oojo deal was found by Cheapflights users on 12/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:25 pmDEN - CGN
1 stop15h 05mBritish Airways
Tue 2/175:05 pmCGN - DEN
1 stop30h 25mBritish Airways
Deal found 12/26$655
This Mytrip deal was found by Cheapflights users on 12/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/104:20 pmDEN - CGN
3 stops33h 15mMultiple Airlines
Tue 2/179:10 amCGN - DEN
2 stops18h 45mMultiple Airlines
Deal found 12/26$911
This British Airways deal was found by Cheapflights users on 12/25. 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.
Wed 2/185:25 pmDEN - CGN
1 stop14h 45mBritish Airways
Sun 2/224:35 pmCGN - DEN
1 stop30h 55mBritish Airways
Deal found 12/25$730
This oojo deal was found by Cheapflights users on 12/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2012:52 pmDEN - CGN
2 stops19h 38mBritish Airways
Tue 1/275:05 pmCGN - DEN
2 stops36h 06mBritish Airways
Deal found 12/27$768

Find flight deals from Denver to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Cologne (CGN). 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 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$655
(oojo)

One-way from

$492
(Iberia)

Popular in

January

Cheapest in

February

Average price

$2,055
Provider with most accurate pricing for Denver Intl-Cologne Köln/Bonn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Cologne Köln/Bonn flights.
Search Deals
From Denver Intl to Cologne Köln/Bonn
Search Deals
One-way flight from Denver Intl to Cologne Köln/Bonn
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($451 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($164 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 Denver to Cologne 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 28, 2025.
Use the filters below to find and compare flights from Denver to Cologne that are best for you.

Fly from

Denver

Fly to

Cologne

Route

Depart

Return

Price

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Tue 2/10

5:25 pm-4:30 pm

1 stop15h 05m

Cologne Köln/Bonn

Tue 2/17

5:05 pm-3:30 pm

1 stop30h 25m

$655

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Wed 2/18

5:25 pm-4:10 pm

1 stop14h 45m

Cologne Köln/Bonn

Sun 2/22

4:35 pm-3:30 pm

1 stop30h 55m

$730

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Tue 1/20

12:52 pm-4:30 pm

2 stops19h 38m

Cologne Köln/Bonn

Tue 1/27

5:05 pm-9:11 pm

2 stops36h 06m

$768

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Tue 2/10

4:20 pm-9:35 am

3 stops33h 15m

Cologne Köln/Bonn

Tue 2/17

9:10 am-7:55 pm

2 stops18h 45m

$911

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sun 1/4

9:12 am-4:30 pm

2 stops23h 18m

$492

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sun 1/4

5:25 pm-4:30 pm

1 stop15h 05m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Compare providers for flights from Denver to Cologne

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 Denver to Cologne in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*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 Denver-Cologne flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Cologne flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Cologne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Cologne 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 Denver-Cologne 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 Denver to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Denver 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 Denver to Cologne

What is the cheapest month to book a flight from Denver to Cologne?

Currently, August is the cheapest month in which you can book a flight from Denver to Cologne (average of $547). Flying from Denver to Cologne in June is currently the most expensive (average of $783). 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.

How much does it cost to fly round-trip from Denver to Cologne?

Related info for your journey

Find useful and relevant information for your journey from Denver to Cologne. 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 Denver to Cologne?

    Airlines like British Airways fly from Denver to Cologne in about 15h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4937 mi.

  • Can I find deals for flights from Denver to Cologne that include hotel bookings?

    Yes. In addition to deals on Denver to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Cologne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Cologne.

  • Can I find deals for business class flights from Denver to Cologne?

    Yes. Cheapflights offers flight deals from Denver to Cologne 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 Denver to Cologne?

    Currently, August is the cheapest month in which you can book a flight from Denver to Cologne (average of $547). Flying from Denver to Cologne in June is currently the most expensive (average of $783). 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.

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