What airlines fly to Denver?

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Denver from Cologne according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Denver Intl Airport?

Prices for flights from Cologne Köln/Bonn Airport to Denver Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Cologne Köln/Bonn Airport to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cologne Köln/Bonn Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$550 Cheap Flights from Cologne to Denver in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Cologne to Denver

Round-trip

One-way

Cheap round-trip flights

8:40 am - 1:45 pmCGN-DEN

13h 05m1 stop

8:25 pm - 5:10 pmDEN-CGN

12h 45m1 stop

$1,007Lufthansa

Find Deal

Sat, Aug 23 - Wed, Aug 27

8:40 am - 1:45 pmCGN-DEN

13h 05m1 stop

11:35 am - 3:50 pmDEN-CGN

20h 15m2 stops

$1,017

Find Deal

Sat, Aug 23 - Wed, Aug 27

7:05 am - 4:35 pmCGN-DEN

17h 30m2 stops

4:17 pm - 3:50 pmDEN-CGN

15h 33m2 stops

$1,294United Airlines

Find Deal

Sat, Aug 23 - Wed, Aug 27

10:35 pm - 6:55 pmCGN-DEN

28h 20m3 stops

12:15 pm - 5:25 pmDEN-CGN

21h 10m2 stops

$1,421

Find Deal

Sat, Aug 23 - Wed, Aug 27

10:35 pm - 6:55 pmCGN-DEN

28h 20m3 stops

7:45 am - 5:05 pmDEN-CGN

25h 20m3 stops

$1,460

Find Deal

Sat, Aug 23 - Wed, Aug 27

1:50 am - 6:55 pmCGN-DEN

25h 05m3 stops

12:15 pm - 5:25 pmDEN-CGN

21h 10m2 stops

$1,487

Find Deal

Fri, Aug 22 - Wed, Aug 27

1:50 am - 6:55 pmCGN-DEN

25h 05m3 stops

7:45 am - 5:05 pmDEN-CGN

25h 20m3 stops

$1,524

Find Deal

Fri, Aug 22 - Wed, Aug 27

12:05 am - 5:55 pmCGN-DEN

25h 50m2 stops

6:35 pm - 5:05 pmDEN-CGN

14h 30m1 stop

$1,547

Find Deal

Fri, Aug 22 - Wed, Aug 27

1:20 am - 5:55 pmCGN-DEN

24h 35m2 stops

12:15 pm - 5:25 pmDEN-CGN

21h 10m2 stops

$1,576

Find Deal

Fri, Aug 22 - Wed, Aug 27

7:05 am - 8:00 pmCGN-DEN

20h 55m2 stops

11:25 am - 3:50 pmDEN-CGN

20h 25m2 stops

$2,639Air Canada

Find Deal

Sat, Aug 23 - Wed, Aug 27

Fly from

Fly to

Route

Depart

Return

Price

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/23

8:40 am-1:45 pm

1 stop13h 05m

Denver Intl

Wed 8/27

8:25 pm-5:10 pm

1 stop12h 45m

$1,007

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/23

8:40 am-1:45 pm

1 stop13h 05m

Denver Intl

Wed 8/27

11:35 am-3:50 pm

2 stops20h 15m

$1,017

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/23

7:05 am-4:35 pm

2 stops17h 30m

Denver Intl

Wed 8/27

4:17 pm-3:50 pm

2 stops15h 33m

$1,294

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/23

10:35 pm-6:55 pm

3 stops28h 20m

Denver Intl

Wed 8/27

12:15 pm-5:25 pm

2 stops21h 10m

$1,421

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/23

10:35 pm-6:55 pm

3 stops28h 20m

Denver Intl

Wed 8/27

7:45 am-5:05 pm

3 stops25h 20m

$1,460

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 8/22

1:50 am-6:55 pm

3 stops25h 05m

Denver Intl

Wed 8/27

12:15 pm-5:25 pm

2 stops21h 10m

$1,487

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 8/22

1:50 am-6:55 pm

3 stops25h 05m

Denver Intl

Wed 8/27

7:45 am-5:05 pm

3 stops25h 20m

$1,524

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 8/22

12:05 am-5:55 pm

2 stops25h 50m

Denver Intl

Wed 8/27

6:35 pm-5:05 pm

1 stop14h 30m

$1,547

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Fri 8/22

1:20 am-5:55 pm

2 stops24h 35m

Denver Intl

Wed 8/27

12:15 pm-5:25 pm

2 stops21h 10m

$1,576

CologneDenver

CGN - DEN

CGNDEN

Cologne Köln/Bonn

Sat 8/23

7:05 am-8:00 pm

2 stops20h 55m

Denver Intl

Wed 8/27

11:25 am-3:50 pm

2 stops20h 25m

$2,639

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Cologne to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Cologne is in November. Flight prices, which tend to average around $595, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until October to fly from Cologne, when ticket prices are also cheap, with an average price of $598.

When to book flights from Cologne to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Cologne to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Cologne to Denver (CGN to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cologne to Denver

Best Price Found	$1,007
Fastest flight time	13h 05m
Direct flights	None
Airports in Denver	1 airport

The best flight deal from Cologne to Denver found on momondo in the last 72 hours is $1,007

The fastest flight from Cologne to Denver takes 13h 05m

There are no direct flights from Cologne to Denver. Popular non-direct route for this connection is Cologne Köln/Bonn Airport - Denver Intl Airport.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

How far is Cologne Köln/Bonn to Denver Intl by plane?
A flight from Cologne Köln/Bonn to Denver Intl will travel around 4944.8 mi. 13h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Denver Intl Airport?
Prices for flights from Cologne Köln/Bonn Airport to Denver Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Cologne Köln/Bonn Airport to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cologne Köln/Bonn Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Estes Park

Breckenridge

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Longmont

Boulder

Lakewood

Manitou Springs

Greeley

Westminster

Thornton

Winter Park

Copper Mountain

Grand Lake

Silverthorne

Golden

Frisco

Why use momondo?

Why should I use momondo to find a flight deal from Cologne to Denver?

It is quick and easy to find Cologne to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from Cologne to Denver with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Cologne to Denver flights to just show those with flexible booking policies.

How can momondo help me find flights from Cologne to Denver?

Once you have performed a search for Cologne to Denver flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Cologne to Denver right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Cologne and alert you when they change.