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Cologne

$625+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CGN
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Cheap 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 February 25, 2026.

This KAYAK deal was found by Cheapflights users on 2/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:25 pm
DEN
-
CGN
1 stop14h 45m
British Airways
Sun 3/14:35 pm
CGN
-
DEN
1 stop30h 55m
British Airways
Deal found 2/21$763
This Flysmarter deal was found by Cheapflights users on 2/24. 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.
Fri 2/272:49 pm
DEN
-
CGN
2 stops17h 31m
British Airways
Tue 3/35:05 pm
CGN
-
DEN
2 stops30h 48m
British Airways
Deal found 2/24$771
This British Airways deal was found by Cheapflights users on 2/23. 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.
Fri 2/2712:33 pm
DEN
-
CGN
2 stops19h 47m
British Airways
Sun 3/14:35 pm
CGN
-
DEN
2 stops31h 18m
British Airways
Deal found 2/23$779
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:05 pm
DEN
-
CGN
1 stop17h 15m
Lufthansa
Mon 5/48:10 pm
CGN
-
DEN
1 stop26h 10m
Lufthansa
Deal found 2/21$780
This Travelocity deal was found by Cheapflights users on 2/21. 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.
Sat 4/256:05 pm
DEN
-
CGN
2 stops34h 20m
Multiple Airlines
Mon 5/48:10 pm
CGN
-
DEN
2 stops30h 03m
Multiple Airlines
Deal found 2/21$799
This KAYAK deal was found by Cheapflights users on 2/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:25 pm
DEN
-
CGN
1 stop15h 05m
British Airways
Sun 3/14:35 pm
CGN
-
DEN
1 stop30h 55m
British Airways
Deal found 2/21$816
This British Airways deal was found by Cheapflights users on 2/23. 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.
Thu 2/265:25 pm
DEN
-
CGN
1 stop14h 15m
British Airways
Mon 3/25:15 pm
CGN
-
DEN
1 stop30h 15m
British Airways
Deal found 2/23$818

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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(FlightHub)

One-way from

$625
(Cheapflightsfares)
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.
Search Deals
From Denver Intl to Cologne Köln/Bonn
Search Deals
One-way flight from Denver Intl to Cologne Köln/Bonn
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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 February 25, 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

Fri 2/27

2:49 pm-4:20 pm

2 stops17h 31m

Cologne Köln/Bonn

Tue 3/3

5:05 pm-3:53 pm

2 stops30h 48m

$771

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Fri 2/27

12:33 pm-4:20 pm

2 stops19h 47m

Cologne Köln/Bonn

Sun 3/1

4:35 pm-3:53 pm

2 stops31h 18m

$779

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Wed 4/8

11:15 am-12:25 pm

2 stops17h 10m

Cologne Köln/Bonn

Wed 4/15

1:05 pm-10:05 pm

2 stops17h 00m

$787

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sat 4/25

11:59 pm-12:25 pm

2 stops28h 26m

Cologne Köln/Bonn

Mon 5/4

1:05 pm-2:20 pm

1 stop33h 15m

$787

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sat 4/25

4:05 pm-12:25 pm

1 stop12h 20m

Cologne Köln/Bonn

Mon 5/4

8:30 am-2:20 pm

1 stop13h 50m

$822

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sun 4/26

4:05 pm-5:20 pm

1 stop17h 15m

Cologne Köln/Bonn

Mon 5/4

1:05 pm-10:14 pm

2 stops17h 09m

$832

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sun 4/26

11:59 pm-9:25 am

2 stops25h 26m

Cologne Köln/Bonn

Mon 5/4

7:10 pm-6:25 pm

1 stop31h 15m

$1,023

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Fri 2/27

8:05 am-7:00 pm

3 stops26h 55m

Cologne Köln/Bonn

Sun 3/1

8:35 pm-7:55 pm

3 stops31h 20m

$1,366

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Fri 4/3

8:45 am-5:40 pm

2 stops24h 55m

Cologne Köln/Bonn

Sun 4/5

6:10 pm-7:00 pm

3 stops32h 50m

$1,793

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Thu 4/30

4:05 pm-12:25 pm

1 stop12h 20m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 11 results
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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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Cologne flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, April is the cheapest month in which you can book a flight from Denver to Cologne (average of $476). 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 and United Airlines fly from Denver to Cologne in about 17h 10m. The time it takes to get you to your destination can typically vary by up to 21m. Airlines will cover a distance of 4937 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, April is the cheapest month in which you can book a flight from Denver to Cologne (average of $476). 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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