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Cheap Flights from Denver (DEN) to Cologne (CGN)

Compare Denver International to Cologne flight deals

Find the cheapest month or even day of the year to fly to Cologne

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Flight deals from Denver International to Cologne

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Cologne Airport? If you want to travel next month, return fares start from $1,306. Find the lowest prices on one-way and return tickets right here.
Cologne.$1,184 per passenger.Departing Tue, 3 Nov, returning Tue, 10 Nov.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Denver International on Tue, 3 Nov, arriving in Cologne.Inbound indirect flight with Lufthansa, departs from Cologne on Tue, 10 Nov, arriving in Denver International.Price includes taxes and charges.From $1,184, select.
Cologne.$1,186 per passenger.Departing Sun, 29 Nov, returning Wed, 9 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Denver International on Sun, 29 Nov, arriving in Cologne.Inbound indirect flight with Lufthansa, departs from Cologne on Wed, 9 Dec, arriving in Denver International.Price includes taxes and charges.From $1,186, select.
Cologne.$1,186 per passenger.Departing Tue, 8 Dec, returning Tue, 15 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Denver International on Tue, 8 Dec, arriving in Cologne.Inbound indirect flight with Lufthansa, departs from Cologne on Tue, 15 Dec, arriving in Denver International.Price includes taxes and charges.From $1,186, select.
Cologne.$1,306 per passenger.Departing Mon, 10 Aug, returning Wed, 19 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Denver International on Mon, 10 Aug, arriving in Cologne.Inbound indirect flight with Lufthansa, departs from Cologne on Wed, 19 Aug, arriving in Denver International.Price includes taxes and charges.From $1,306, select.
Cologne.$1,318 per passenger.Departing Tue, 1 Sep, returning Thu, 1 Oct.Return flight with United.Outbound indirect flight with United, departs from Denver International on Tue, 1 Sep, arriving in Cologne.Inbound indirect flight with United, departs from Cologne on Thu, 1 Oct, arriving in Denver International.Price includes taxes and charges.From $1,318, select.
Cologne.$1,404 per passenger.Departing Thu, 3 Sep, returning Tue, 29 Sep.Return flight with United.Outbound indirect flight with United, departs from Denver International on Thu, 3 Sep, arriving in Cologne.Inbound indirect flight with United, departs from Cologne on Tue, 29 Sep, arriving in Denver International.Price includes taxes and charges.From $1,404, select.
Cologne.$1,500 per passenger.Departing Tue, 22 Dec, returning Fri, 8 Jan.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Denver International on Tue, 22 Dec, arriving in Cologne.Inbound indirect flight with Lufthansa, departs from Cologne on Fri, 8 Jan, arriving in Denver International.Price includes taxes and charges.From $1,500, select.
Cologne.$1,677 per passenger.Departing Thu, 30 Jul, returning Mon, 10 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Denver International on Thu, 30 Jul, arriving in Cologne.Inbound indirect flight with Lufthansa, departs from Cologne on Mon, 10 Aug, arriving in Denver International.Price includes taxes and charges.From $1,677, select.

Find the cheapest month to fly from Denver International to Cologne

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Cologne flights are currently cheapest in November.
Jul
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Aug
from $1,306
Sep
from $1,404
Oct
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Nov
from $1,184
Dec
from $1,186
Jan
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Feb
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Mar
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May
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Denver International to Cologne: Alternative routes

Compare routes from Denver International to Cologne below. You may find an airport to fly into that's cheaper, faster, or easier than Cologne.

Cologne

15km from central Cologne
ClosestCheapest
from $1,184
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Dusseldorf International

40km from central Cologne
from $1,195
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Dortmund

78km from central Cologne
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Maastricht

83km from central Cologne
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Denver to Cologne: Flight information

The things to know before you go.
Cheapest flight found$1,184
Cheapest month to flyNovember

Finding cheap flights from Denver International to Cologne: Frequently asked questions

The best price we found for a return flight from Denver International to Cologne is $1,184. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Cologne. But we found flights with one or more stops from $1,184.
As of July 2026, there are no flights flying from Denver International to Cologne.
The cheapest month to fly from Denver International to Cologne is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Cologne Airport on Tuesday, 3 November 2026.
No airlines currently offer direct flights between Denver International Airport and Cologne Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cologne but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cologne is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Lufthansa offers the cheapest flight tickets to Cologne.

Travelling from Denver International Airport (DEN) to Cologne Airport (CGN): what you need to know

  • Cologne's timezone is UTC+1, which makes Cologne eight hours ahead of Denver.

  • Give yourself enough time to make your DEN to CGN flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Opt for a stopover if you want to break up your flight. Just deselect 'Direct flights only' to look at your options for tickets from Denver International Airport to Cologne Airport. London Heathrow Airport is a popular stopover on the DEN to CGN route.

How to find the cheapest flights from Denver International Airport (DEN) to Cologne Airport (CGN)

  • $549 is currently the lowest price for a one-way Denver International Airport to Cologne Airport flight. A return flight starts from $1,184. These prices can change depending on availability and demand.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from DEN to CGN if you book in advance. Airlines often offer some amazing early bird rates.

  • If you're flexible with your trip dates, try using the 'Whole month' search tool. It'll find the lowest price in each month when searching for a flight from Denver International Airport to Cologne Airport.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from DEN to CGN.

  • Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Denver International Airport to Cologne Airport.

Handy information about Denver International Airport (DEN)

  • The address for DEN is 8500 Pena Boulevard.

  • 80% of flights leaving Denver International Airport reach their destination on schedule. Given its reliable on-time performance, delays are unlikely when flying out of DEN.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • The journey when using public transport takes about 35 minutes.

  • Get your flight from Denver International Airport to Cologne Airport off to a relaxed start. Only a short drive from DEN, spend the night in Baymont by Wyndham Denver International Airport and you'll be well-rested for the journey ahead.

Arriving at Cologne Airport (CGN)

Getting from Cologne Airport (CGN) to central Cologne

  • From Cologne Airport, Cologne is approximately 14 kilometres away. It takes around 20 minutes to drive to the centre.

  • If you're travelling on public transport, expect a journey time of roughly 20 minutes.

When to fly to Cologne Airport (CGN)

  • August is the busiest month for flights from Denver International Airport to Cologne Airport. To skip the crowds, visit Cologne in January.

  • Book your flight from Denver International Airport to Cologne Airport for August if you want to visit Cologne during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 28ºC (82ºF).

  • Look for cheap tickets from DEN to CGN in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -3ºC (27ºF) and 7ºC (45ºF) on average.

Explore more of Germany

  • You've seen Cologne, now it's time to explore more of Germany. Travel around 483 kilometres north-east to Berlin to tick off its top attractions. From Brandenburg Gate to Berlin Wall and Parliament Building, there's plenty to keep you busy.

  • Hamburg is another standout destination in Germany and is around 354 kilometres north-east of Cologne. No trip is complete without a visit to Miniatur Wunderland, Elbphilharmonie Hamburg and Port of Hamburg.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.