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Cologne

$391+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CGN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$544
(Expedia)

One-way from

$391
(British Airways)

Popular in

January

Cheapest in

March

Average price

$1,419
From Denver Intl to Cologne Köln/Bonn
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One-way flight from Denver Intl to Cologne Köln/Bonn
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Highest demand for flights based on searches. 31% potential increase in price ($592 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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 9/156:35 pmDEN - CGN
1 stop17h 55mAmerican Airlines
Sun 9/2110:15 amCGN - DEN
2 stops19h 47mAmerican Airlines
Deal found 7/1$654
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Fri 8/154:40 pmDEN - CGN
3 stops31h 15mMultiple Airlines
Fri 8/226:20 amCGN - DEN
2 stops20h 35mMultiple Airlines
Deal found 7/1$819
This Turkish Airlines deal was found by Cheapflights users on 7/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:50 pmDEN - CGN
1 stop38h 25mTurkish Airlines
Fri 8/2210:30 amCGN - DEN
1 stop39h 25mTurkish Airlines
Deal found 7/1$829
This Ovago deal was found by Cheapflights users on 7/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:35 pmDEN - CGN
1 stop11h 45mBritish Airways
Sun 9/2110:15 amCGN - DEN
1 stop14h 10mBritish Airways
Deal found 7/2$848
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Sat 7/195:40 pmDEN - CGN
2 stops33h 30mAir Canada
Tue 7/2912:55 pmCGN - DEN
2 stops29h 26mAir Canada
Deal found 7/1$1,567
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2411:25 amDEN - CGN
2 stops24h 15mAustrian Airlines
Tue 7/296:30 amCGN - DEN
2 stops19h 42mAustrian Airlines
Deal found 7/1$2,091

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 July 2, 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

Mon 9/15

6:35 pm-8:30 pm

1 stop17h 55m

Cologne Köln/Bonn

Sun 9/21

10:15 am-10:02 pm

2 stops19h 47m

$654

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Fri 8/15

4:40 pm-7:55 am

3 stops31h 15m

Cologne Köln/Bonn

Fri 8/22

6:20 am-6:55 pm

2 stops20h 35m

$819

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Fri 8/15

7:50 pm-6:15 pm

1 stop38h 25m

Cologne Köln/Bonn

Fri 8/22

10:30 am-5:55 pm

1 stop39h 25m

$829

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Mon 9/15

6:35 pm-2:20 pm

1 stop11h 45m

Cologne Köln/Bonn

Sun 9/21

10:15 am-4:25 pm

1 stop14h 10m

$848

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sat 7/19

5:40 pm-11:10 am

2 stops33h 30m

Cologne Köln/Bonn

Tue 7/29

12:55 pm-10:21 am

2 stops29h 26m

$1,567

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Thu 7/24

11:25 am-7:40 pm

2 stops24h 15m

Cologne Köln/Bonn

Tue 7/29

6:30 am-6:12 pm

2 stops19h 42m

$2,091

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sun 7/20

6:35 pm-8:25 pm

1 stop17h 50m

$391

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Sat 10/25

7:55 pm-11:05 am

2 stops56h 10m

$472

DenverCologne

DEN - CGN

DENCGN

Denver Intl

Fri 10/24

9:58 am-11:10 am

2 stops17h 12m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $1,257). 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 July 2, 2025.
Read reviews from past customers who have flown Turkish Airlines, American Airlines, and Air Canada 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.
Turkish Airlines
7.3
Good
3,891 reviews

Crew

7.7

Overall

7.3

Food

7.3

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Luoai,May 2025

SFO - IST

I had the worst experience with Turkish airline I started when I got to the counter late but an hour before the flight going to San Francisco they wouldn’t let me check in but it’s ok I understand but for you to cancel my ticket and not Ofer my any kind of refund I had to buy another one way to San Francisco only to figure out that even the return ticket is cancelled so I had to buy another ticket going back it was my mistake for using them it’s my last time I used them twice a year for the same trip and I did not find the treatment of a loyal customer the original ticket they canceled was $1488 and I bought one was from Istanbul for $1025 and returned for $711 + $330 for two bags so I lost more then $2000 in the stupid trip and they lost me as a customer
Turkish Airlines
7.3
Good
3,891 reviews
Turkish Airlines
7.3
Good
3,891 reviews

Crew

7.7

Overall

7.3

Food

7.3

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Luoai,May 2025

SFO - IST

I had the worst experience with Turkish airline I started when I got to the counter late but an hour before the flight going to San Francisco they wouldn’t let me check in but it’s ok I understand but for you to cancel my ticket and not Ofer my any kind of refund I had to buy another one way to San Francisco only to figure out that even the return ticket is cancelled so I had to buy another ticket going back it was my mistake for using them it’s my last time I used them twice a year for the same trip and I did not find the treatment of a loyal customer the original ticket they canceled was $1488 and I bought one was from Istanbul for $1025 and returned for $711 + $330 for two bags so I lost more then $2000 in the stupid trip and they lost me as a customer
American Airlines
7.2
Good
10,000 reviews
Turkish Airlines
7.3
Good
3,891 reviews

Crew

7.7

Overall

7.3

Food

7.3

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Luoai,May 2025

SFO - IST

I had the worst experience with Turkish airline I started when I got to the counter late but an hour before the flight going to San Francisco they wouldn’t let me check in but it’s ok I understand but for you to cancel my ticket and not Ofer my any kind of refund I had to buy another one way to San Francisco only to figure out that even the return ticket is cancelled so I had to buy another ticket going back it was my mistake for using them it’s my last time I used them twice a year for the same trip and I did not find the treatment of a loyal customer the original ticket they canceled was $1488 and I bought one was from Istanbul for $1025 and returned for $711 + $330 for two bags so I lost more then $2000 in the stupid trip and they lost me as a customer
Air Canada
7.1
Good
9,669 reviews
Turkish Airlines
7.3
Good
3,891 reviews

Crew

7.7

Overall

7.3

Food

7.3

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Luoai,May 2025

SFO - IST

I had the worst experience with Turkish airline I started when I got to the counter late but an hour before the flight going to San Francisco they wouldn’t let me check in but it’s ok I understand but for you to cancel my ticket and not Ofer my any kind of refund I had to buy another one way to San Francisco only to figure out that even the return ticket is cancelled so I had to buy another ticket going back it was my mistake for using them it’s my last time I used them twice a year for the same trip and I did not find the treatment of a loyal customer the original ticket they canceled was $1488 and I bought one was from Istanbul for $1025 and returned for $711 + $330 for two bags so I lost more then $2000 in the stupid trip and they lost me as a customer
British Airways
6.6
Okay
7,089 reviews
Turkish Airlines
7.3
Good
3,891 reviews

Crew

7.7

Overall

7.3

Food

7.3

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Luoai,May 2025

SFO - IST

I had the worst experience with Turkish airline I started when I got to the counter late but an hour before the flight going to San Francisco they wouldn’t let me check in but it’s ok I understand but for you to cancel my ticket and not Ofer my any kind of refund I had to buy another one way to San Francisco only to figure out that even the return ticket is cancelled so I had to buy another ticket going back it was my mistake for using them it’s my last time I used them twice a year for the same trip and I did not find the treatment of a loyal customer the original ticket they canceled was $1488 and I bought one was from Istanbul for $1025 and returned for $711 + $330 for two bags so I lost more then $2000 in the stupid trip and they lost me as a customer

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 are the cheapest airlines flying 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 $544 on this airline. Additional options worth looking into are American Airlines and Turkish Airlines, starting at $654 and $829 round-trip. British Airways is currently priced 58% 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 $1,257). 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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Top airline flying from Denver to Cologne

Discover the top airline that operate flights from Denver to Cologne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$823Average$1,193FlexibilityNo cancel feeOn-time76%

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