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$582+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CGN
Jul 23 — Jul 301
Mi 7/23
Mi 7/30
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 Juli 18, 2025.

Round-trip from

$582
(British Airways)

Popular in

January

Cheapest in

March

Average price

$1,518
From Denver Intl to Cologne Köln/Bonn
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($584 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($180 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 Juli 18, 2025.

This Expedia deal was found by Cheapflights users on 7/15. 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.
Fr 12/55:25 pmDEN - CGN
1 stop14h 55mBritish Airways
Mo 12/155:15 pmCGN - DEN
1 stop30h 15mBritish Airways
Deal found 7/15$592
This American Airlines deal was found by Cheapflights users on 7/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 8/296:58 pmDEN - CGN
2 stops30h 17mMultiple Airlines
Fr 9/52:20 pmCGN - DEN
2 stops28h 48mMultiple Airlines
Deal found 7/15$877
This American Airlines deal was found by Cheapflights users on 7/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 9/218:00 amDEN - CGN
2 stops28h 25mAmerican Airlines
Fr 10/102:20 pmCGN - DEN
2 stops34h 26mAmerican Airlines
Deal found 7/14$1,891
This AranGrant deal was found by Cheapflights users on 7/14. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 9/204:15 pmDEN - CGN
1 stop15h 35mLufthansa
Fr 10/108:35 amCGN - DEN
1 stop13h 10mLufthansa
Deal found 7/14$2,401
This Air Canada deal was found by Cheapflights users on 7/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 9/2011:25 amDEN - CGN
2 stops20h 25mAir Canada
Fr 10/104:30 pmCGN - DEN
2 stops35h 08mAir Canada
Deal found 7/14$2,434

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 Juli 18, 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

Do 8/14

6:37 pm-9:30 am

2 stops30h 53m

Cologne Köln/Bonn

Do 8/28

9:55 pm-8:22 pm

2 stops30h 27m

$632

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Do 8/14

5:59 pm-12:45 am

2 stops22h 46m

Cologne Köln/Bonn

Do 8/28

8:35 am-12:30 pm

3 stops35h 55m

$1,185

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

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, October is the cheapest month in which you can book a flight from Denver to Cologne (average of $649). Flying from Denver to Cologne in June is currently the most expensive (average of $1,252). 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.

Reviews of airlines servicing Cologne

Get insights into the airlines that provide service to Cologne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cologne. Reviews last updated Juli 18, 2025.
Read reviews from past customers who have flown British Airways from Denver to Cologne. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.6
Okay
7,151 reviews

Boarding

6.9

Entertainment

6.4

Food

6.3

Overall

6.6

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.6
Okay
7,151 reviews
British Airways
6.6
Okay
7,151 reviews

Boarding

6.9

Entertainment

6.4

Food

6.3

Overall

6.6

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

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.

  • What is the cheapest airline to fly from Denver to Cologne round-trip?

    Our cheapest airline available from Denver to Cologne is British Airways. Our recent data shows that you can find tickets from as low as $582 on this airline. British Airways is currently priced 55% below the average price you’ll pay for this route.

  • 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, October is the cheapest month in which you can book a flight from Denver to Cologne (average of $649). Flying from Denver to Cologne in June is currently the most expensive (average of $1,252). 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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