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Cologne

$902+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CGN
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
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 March 24, 2026.

This oojo deal was found by Cheapflights users on 3/22. 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 4/148:25 pm
DEN
-
CGN
1 stop37h 45m
Turkish Airlines
Sat 4/187:10 pm
CGN
-
DEN
1 stop31h 15m
Turkish Airlines
Deal found 3/22$902
This Gotogate deal was found by Cheapflights users on 3/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:30 am
DEN
-
CGN
2 stops16h 55m
Multiple Airlines
Wed 5/138:30 am
CGN
-
DEN
1 stop13h 50m
Multiple Airlines
Deal found 3/21$985
This flugladen.de deal was found by Cheapflights users on 3/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:05 pm
DEN
-
CGN
1 stop12h 20m
Lufthansa
Wed 5/138:30 am
CGN
-
DEN
1 stop13h 50m
Lufthansa
Deal found 3/21$986
This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:05 pm
DEN
-
CGN
1 stop12h 20m
Lufthansa
Mon 5/118:10 pm
CGN
-
DEN
1 stop26h 10m
Lufthansa
Deal found 3/20$994
This Expedia deal was found by Cheapflights users on 3/20. 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 5/43:52 pm
DEN
-
CGN
2 stops19h 38m
Multiple Airlines
Mon 5/118:40 pm
CGN
-
DEN
2 stops28h 12m
Multiple Airlines
Deal found 3/20$1,016
This KAYAK deal was found by Cheapflights users on 3/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:25 pm
DEN
-
CGN
1 stop29h 00m
Turkish Airlines
Mon 7/277:10 pm
CGN
-
DEN
1 stop31h 15m
Turkish Airlines
Deal found 3/23$1,064

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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$902
(oojo)
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

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 March 24, 2026.
Use the filters below to find and compare flights from Denver to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Wed 5/6

4:05 pm-12:25 pm

1 stop12h 20m

Cologne Köln/Bonn

Wed 5/13

8:30 am-2:20 pm

1 stop13h 50m

$986

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Mon 5/4

4:05 pm-12:25 pm

1 stop12h 20m

Cologne Köln/Bonn

Mon 5/11

8:10 pm-2:20 pm

1 stop26h 10m

$994

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Wed 5/6

9:55 am-12:25 pm

2 stops18h 30m

Cologne Köln/Bonn

Wed 5/13

1:05 pm-10:19 pm

2 stops17h 14m

$996

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Tue 4/14

3:20 pm-6:10 pm

2 stops18h 50m

Cologne Köln/Bonn

Sat 4/18

10:25 am-6:25 pm

1 stop40h 00m

$1,014

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Mon 5/4

3:52 pm-7:30 pm

2 stops19h 38m

Cologne Köln/Bonn

Mon 5/11

8:40 pm-4:52 pm

2 stops28h 12m

$1,016

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Tue 4/14

11:59 pm-9:25 am

2 stops25h 26m

Cologne Köln/Bonn

Sat 4/18

10:25 am-10:10 pm

2 stops43h 45m

$1,396

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Wed 4/29

3:20 pm-6:10 pm

2 stops18h 50m

Cologne Köln/Bonn

Sun 5/3

7:10 pm-10:19 pm

2 stops35h 09m

$1,468

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Sorted by cheapest first

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 March.
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 $409). Flying from Denver to Cologne in May is currently the most expensive (average of $729). 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 Lufthansa and Turkish Airlines fly from Denver to Cologne in about 12h 20m. The time it takes to get you to your destination can typically vary by up to 6h 30m. 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 $409). Flying from Denver to Cologne in May is currently the most expensive (average of $729). 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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