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$806+ Cheap flights from Cologne (CGN) to Denver (DEN)

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
1 adult, Economy
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Cheap flight deals from Cologne to Denver

Cheapest flights from Cologne to Denver
Explore the most affordable flight options available from Cologne to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 30, 2026.

This oojo deal was found by Cheapflights users on 5/26. 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.
Sun 6/78:30 am
CGN
-
DEN
1 stop13h 50m
Lufthansa
Sun 6/148:25 pm
DEN
-
CGN
1 stop15h 05m
Lufthansa
Deal found 5/26$806
This oojo deal was found by Cheapflights users on 5/26. 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 6/168:10 pm
CGN
-
DEN
1 stop26h 10m
Lufthansa
Tue 6/238:25 pm
DEN
-
CGN
1 stop12h 55m
Lufthansa
Deal found 5/26$815
This Expedia deal was found by Cheapflights users on 5/26. 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.
Tue 6/168:10 pm
CGN
-
DEN
1 stop26h 10m
Multiple Airlines
Tue 6/239:10 am
DEN
-
CGN
2 stops26h 20m
Multiple Airlines
Deal found 5/26$816
This Lufthansa deal was found by Cheapflights users on 5/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:30 am
CGN
-
DEN
1 stop13h 50m
Lufthansa
Fri 6/268:25 pm
DEN
-
CGN
1 stop13h 15m
Lufthansa
Deal found 5/27$824
This Expedia deal was found by Cheapflights users on 5/26. 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.
Sun 6/78:30 am
CGN
-
DEN
2 stops22h 40m
Air Canada
Sun 6/1411:30 am
DEN
-
CGN
2 stops21h 35m
Air Canada
Deal found 5/26$830
This Air Canada deal was found by Cheapflights users on 5/27. 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.
Thu 6/116:20 am
CGN
-
DEN
2 stops20h 40m
Air Canada
Sun 6/286:10 pm
DEN
-
CGN
2 stops39h 10m
Air Canada
Deal found 5/27$831
This Air Canada deal was found by Cheapflights users on 5/27. 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 6/131:05 pm
CGN
-
DEN
2 stops18h 05m
Air Canada
Sun 6/286:10 pm
DEN
-
CGN
2 stops34h 15m
Air Canada
Deal found 5/27$832
This Expedia deal was found by Cheapflights users on 5/26. 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.
Tue 6/166:20 am
CGN
-
DEN
2 stops36h 13m
Air Canada
Tue 6/2311:30 am
DEN
-
CGN
2 stops21h 40m
Air Canada
Deal found 5/26$834
This Air Canada deal was found by Cheapflights users on 5/27. 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.
Wed 6/108:30 am
CGN
-
DEN
2 stops34h 04m
Air Canada
Sun 6/286:10 pm
DEN
-
CGN
2 stops34h 15m
Air Canada
Deal found 5/27$836
This Expedia deal was found by Cheapflights users on 5/29. 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.
Thu 6/186:20 am
CGN
-
DEN
2 stops36h 13m
Multiple Airlines
Thu 6/258:25 pm
DEN
-
CGN
1 stop15h 05m
Multiple Airlines
Deal found 5/29$846
This Air Canada deal was found by Cheapflights users on 5/27. 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.
Thu 6/116:20 am
CGN
-
DEN
2 stops36h 14m
Air Canada
Wed 6/249:10 am
DEN
-
CGN
2 stops24h 10m
Air Canada
Deal found 5/27$870
This Lufthansa deal was found by Cheapflights users on 5/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:30 am
CGN
-
DEN
1 stop13h 50m
Lufthansa
Thu 6/258:25 pm
DEN
-
CGN
1 stop13h 15m
Lufthansa
Deal found 5/27$871

Find flight deals from Cologne to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to Denver (DEN). 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 May 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$806
(oojo)
Provider with most accurate pricing for Cologne Köln/Bonn-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Denver Intl flights.
Search Deals
From Cologne Köln/Bonn to Denver Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cologne to Denver 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 May 30, 2026.
Use the filters below to find and compare flights from Cologne to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 6/11

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Fri 6/26

8:25 pm-5:40 pm

1 stop13h 15m

$824

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 6/11

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Sat 6/27

8:25 pm-5:20 pm

1 stop12h 55m

$824

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Tue 6/16

6:20 am-10:33 am

2 stops36h 13m

Denver Intl

Tue 6/23

11:30 am-5:10 pm

2 stops21h 40m

$834

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 6/18

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Thu 6/25

8:25 pm-5:40 pm

1 stop13h 15m

$870

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 6/12

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Sat 6/27

8:25 pm-5:20 pm

1 stop12h 55m

$925

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 6/13

8:30 am-2:20 pm

1 stop13h 50m

Denver Intl

Fri 6/26

8:25 pm-5:40 pm

1 stop13h 15m

$998

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 7/9

1:05 pm-12:30 am

2 stops19h 25m

Denver Intl

Sun 7/19

4:15 pm-12:25 pm

1 stop12h 10m

$1,111
Quickest round-trip

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 7/11

8:30 am-1:45 pm

1 stop13h 15m

Denver Intl

Mon 7/20

4:15 pm-12:25 pm

1 stop12h 10m

$1,207

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 6/18

6:20 am-6:03 pm

2 stops19h 43m

Denver Intl

Thu 6/25

11:30 am-9:55 am

2 stops14h 25m

$1,242

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Tue 6/16

10:55 am-12:40 pm

2 stops33h 45m

Denver Intl

Tue 6/23

4:40 pm-12:25 pm

3 stops35h 45m

$1,325

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Cologne-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cologne-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cologne-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cologne-Denver 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 Cologne-Denver 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 Cologne to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Cologne 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.

Related info for your journey

Find useful and relevant information for your journey from Cologne to Denver. 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 Cologne to Denver?

    A quick flight from Cologne to Denver can take about 13h 50m. Lufthansa provides one of the quickest options available for as low as $824. There are 4937 mi between Cologne and Denver.

  • Can I find deals for flights from Cologne to Denver that include hotel bookings?

    Yes. In addition to deals on Cologne to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cologne to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cologne to Denver.

  • Can I find deals for business class flights from Cologne to Denver?

    Yes. Cheapflights offers flight deals from Cologne to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Westminster
Lakewood
Broomfield
Centennial
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen

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