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$640+ Cheap flights from Denver (DEN) to Cologne (CGN)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CGN
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap 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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$640
(British Airways)
Provider with most accurate pricing for Denver Intl-Cologne Köln/Bonn flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Cologne Köln/Bonn flights.
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From Denver Intl to Cologne Köln/Bonn
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Find flight deals from Denver to Cologne

Cheapest flights from Denver to Cologne
Explore the most affordable flight options available from Denver to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This British Airways deal was found by Cheapflights users on 1/5. 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 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 1/5$640
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:58 pmDEN - CGN
2 stops15h 12mBritish Airways
Sun 3/224:35 pmCGN - DEN
1 stop30h 55mBritish Airways
Deal found 1/6$725
This oojo deal was found by Cheapflights users on 1/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:10 amDEN - CGN
2 stops22h 30mBritish Airways
Thu 2/265:05 pmCGN - DEN
1 stop30h 25mBritish Airways
Deal found 1/5$888

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 January 6, 2026.
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

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

$640

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Mon 3/16

5:58 pm-4:10 pm

2 stops15h 12m

Cologne Köln/Bonn

Sun 3/22

4:35 pm-4:30 pm

1 stop30h 55m

$725

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Thu 2/19

5:25 pm-3:40 pm

1 stop14h 15m

Cologne Köln/Bonn

Thu 2/26

5:05 pm-3:30 pm

1 stop30h 25m

$890

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Thu 2/19

8:05 am-4:20 pm

2 stops24h 15m

Cologne Köln/Bonn

Thu 2/26

4:50 pm-7:55 pm

3 stops35h 05m

$1,606

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 $774). 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 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 14h 45m. 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 $774). 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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