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$673+ Cheap flights from Cologne (CGN) to Colorado

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — DEN
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Cologne to Colorado

Keep the following information in mind while searching for Cologne to Colorado flight deals. Data was last updated November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$673
(Flysmarter)

Popular in

December

Cheapest in

March
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 Colorado
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($259 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals

Find flight deals from Cologne to Colorado

Cheapest flights from Cologne to Colorado
Explore the most affordable flight options available from Cologne to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This Flysmarter deal was found by Cheapflights users on 11/5. 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.
Mon 11/176:45 amCGN - DEN
2 stops21h 10mAir Canada
Mon 11/2411:15 amDEN - CGN
2 stops16h 55mAir Canada
Deal found 11/5$673
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:20 pmCGN - DEN
1 stop13h 35mLufthansa
Mon 11/248:20 pmDEN - CGN
1 stop14h 35mLufthansa
Deal found 11/5$690
This Flysmarter deal was found by Cheapflights users on 11/5. 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.
Mon 11/176:45 amCGN - DEN
2 stops21h 10mMultiple Airlines
Mon 11/248:20 pmDEN - CGN
1 stop14h 35mMultiple Airlines
Deal found 11/5$697
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:10 amCGN - DEN
2 stops16h 35mUnited Airlines
Mon 11/2412:45 pmDEN - CGN
2 stops16h 05mUnited Airlines
Deal found 11/4$743
This oojo deal was found by Cheapflights users on 11/4. 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.
Sat 12/205:10 pmCGN - DEN
2 stops37h 16mBritish Airways
Sat 1/36:40 pmDEN - CGN
2 stops37h 50mBritish Airways
Deal found 11/4$1,270
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/207:45 pmCGN - DEN
3 stops30h 20mMultiple Airlines
Sat 1/35:45 pmDEN - CGN
2 stops20h 25mMultiple Airlines
Deal found 11/4$1,896

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cologne to Colorado 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 November 5, 2025.
Use the filters below to find and compare flights from Cologne to Colorado that are best for you.

Fly from

Cologne

Fly to

Colorado

Route

Depart

Return

Price

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/17

6:45 am-7:55 pm

2 stops21h 10m

Denver Intl

Mon 11/24

11:15 am-12:10 pm

2 stops16h 55m

$673

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 1/14

5:55 pm-2:35 pm

1 stop28h 40m

Denver Intl

Sat 1/31

4:20 pm-6:55 pm

1 stop18h 35m

$681

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/17

1:20 pm-6:55 pm

1 stop13h 35m

Denver Intl

Mon 11/24

8:20 pm-6:55 pm

1 stop14h 35m

$690

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 1/14

6:45 am-10:23 am

2 stops35h 38m

Denver Intl

Sat 1/31

11:15 am-5:10 pm

2 stops21h 55m

$693

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 1/14

9:10 am-2:35 pm

1 stop13h 25m

Denver Intl

Sat 1/31

11:15 am-5:10 pm

2 stops21h 55m

$694

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/17

6:45 am-7:55 pm

2 stops21h 10m

Denver Intl

Mon 11/24

8:20 pm-6:55 pm

1 stop14h 35m

$697

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Mon 11/17

9:10 am-5:45 pm

2 stops16h 35m

Denver Intl

Mon 11/24

12:45 pm-12:50 pm

2 stops16h 05m

$743

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Thu 3/26

1:35 pm-7:55 pm

1 stop13h 20m

Denver Intl

Wed 4/8

6:00 am-12:20 pm

2 stops22h 20m

$829

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 3/25

1:20 pm-7:55 pm

1 stop13h 35m

Denver Intl

Wed 4/8

4:05 pm-12:20 pm

1 stop12h 15m

$829

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Wed 3/25

1:20 pm-7:55 pm

1 stop13h 35m

Denver Intl

Thu 4/9

4:05 pm-12:20 pm

1 stop12h 15m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 12 results
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Best time to book a flight from Cologne to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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.

Cheapflights Insights

Everything you need to know about your flight from Cologne to Colorado

What is the cheapest month to book a flight from Cologne to Colorado?

Currently, March is the cheapest month in which you can book a flight from Cologne to Colorado (average of $528). Flying from Cologne to Colorado in July is currently the most expensive (average of $732). 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 Cologne to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cologne to Colorado?

    If you book a flight to Colorado from Cologne, you will be flying from Köln/Bonn, which is the city’s only airport. Cologne Köln/Bonn (CGN) is located 9.5 mi from the center of Cologne.

  • How long is the flight from Cologne to Colorado?

    Airlines like Air Canada, Lufthansa, and United Airlines fly from Cologne to Colorado in about 16h 58m. The time it takes to get you to your destination can typically vary by up to 11h 42m. The distance from Cologne to Colorado is about 4996 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cologne to Colorado 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 Cologne to Colorado?

    Currently, March is the cheapest month in which you can book a flight from Cologne to Colorado (average of $528). Flying from Cologne to Colorado in July is currently the most expensive (average of $732). 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.

See more FAQs

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