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 45% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Cologne Köln/Bonn to Denver Intl?

Lufthansa is the most popular carrier operating from Cologne Köln/Bonn to Denver Intl

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.

$517 Cheap Flights from Cologne to Denver in 2025

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Find the cheapest flights from Cologne to Denver

Round-trip

One-way

Cheap round-trip flights

6:05 am - 1:45 pmCGN-DEN

15h 40m1 stop

4:15 pm - 12:15 pmDEN-CGN

12h 00m1 stop

$664United Airlines

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Sun, Jun 22 - Sun, Jun 29

12:55 pm - 1:45 pmCGN-DEN

32h 50m1 stop

4:15 pm - 12:15 pmDEN-CGN

12h 00m1 stop

$666Lufthansa

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Sun, Jun 22 - Sun, Jun 29

6:05 am - 10:05 pmCGN-DEN

24h 00m2 stops

4:15 pm - 12:15 pmDEN-CGN

12h 00m1 stop

$673

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Sun, Jun 22 - Sun, Jun 29

10:15 am - 10:40 pmCGN-DEN

20h 25m2 stops

5:32 pm - 9:15 amDEN-CGN

31h 43m2 stops

$683

Find Deal

Thu, Jul 10 - Fri, Jul 25

10:15 am - 10:40 pmCGN-DEN

20h 25m2 stops

6:35 pm - 9:15 amDEN-CGN

30h 40m1 stop

$694British Airways

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Thu, Jul 10 - Fri, Jul 25

10:15 am - 10:47 pmCGN-DEN

20h 32m2 stops

9:03 am - 9:25 pmDEN-CGN

28h 22m2 stops

$818British Airways

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Thu, Jul 10 - Tue, Jul 22

6:05 am - 10:05 pmCGN-DEN

24h 00m2 stops

4:17 pm - 5:05 pmDEN-CGN

16h 48m2 stops

$864Air Canada

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Sun, Jun 22 - Sun, Jun 29

6:05 am - 8:49 amCGN-DEN

34h 44m2 stops

5:40 pm - 5:10 pmDEN-CGN

39h 30m2 stops

$1,150Air Canada

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Sun, Jul 20 - Sat, Jul 26

2:25 pm - 8:36 pmCGN-DEN

38h 11m2 stops

11:25 am - 9:35 pmDEN-CGN

26h 10m2 stops

$1,223SWISS

Find Deal

Thu, Jul 10 - Thu, Jul 24

6:20 am - 4:27 pmCGN-DEN

18h 07m2 stops

11:25 am - 9:35 pmDEN-CGN

26h 10m2 stops

$1,423SWISS

Find Deal

Fri, Jul 11 - Thu, Jul 24

United Airlines flights from Cologne to Denver

Our best United Airlines deals on Cologne to Denver flight tickets

United Airlines

Jun 22

CGN6:05 amCologne Köln/Bonn

15h 40m

1 stop

DEN1:45 pmDenver Intl

Jun 29

DEN4:15 pmDenver Intl

12h 00m

1 stop

CGN12:15 pmCologne Köln/Bonn

$664

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United Airlines

Jun 22

CGN6:05 amCologne Köln/Bonn

15h 40m

1 stop

DEN1:45 pmDenver Intl

Jun 29

DEN4:15 pmDenver Intl

12h 00m

1 stop

CGN12:15 pmCologne Köln/Bonn

$666

Find similar

United Airlines

Jun 22

CGN6:05 amCologne Köln/Bonn

19h 30m

2 stops

DEN5:35 pmDenver Intl

Jun 29

DEN4:15 pmDenver Intl

12h 00m

1 stop

CGN12:15 pmCologne Köln/Bonn

$709

Find similar

British Airways flights from Cologne to Denver

Our best British Airways deals on Cologne to Denver flight tickets

British Airways

Jul 10

CGN10:15 amCologne Köln/Bonn

20h 25m

2 stops

DEN10:40 pmDenver Intl

Jul 25

DEN6:35 pmDenver Intl

30h 40m

1 stop

CGN9:15 amCologne Köln/Bonn

$694

Find similar

British Airways

Jul 10

CGN10:15 amCologne Köln/Bonn

20h 32m

2 stops

DEN10:47 pmDenver Intl

Jul 22

DEN9:03 amDenver Intl

28h 22m

2 stops

CGN9:25 pmCologne Köln/Bonn

$818

Find similar

British Airways

Jul 10

CGN10:15 amCologne Köln/Bonn

20h 32m

2 stops

DEN10:47 pmDenver Intl

Jul 28

DEN12:21 pmDenver Intl

24h 09m

2 stops

CGN8:30 pmCologne Köln/Bonn

$820

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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	$517
Fastest flight time	13h 05m
Direct flights	None
Airports in Denver	1 airport

The best one-way flight to Denver from Cologne in the past 72 hours is $517. The best round-trip flight deal from Cologne to Denver found on momondo in the last 72 hours is $664.

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)

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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.

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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.