What is the cheapest airline that flies from Washington, D.C. to Cologne Köln/Bonn?

Lufthansa, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. to Cologne Köln/Bonn

How long does it take to fly to Cologne?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Cologne you fly into. For example, flying from Washington, D.C. to Cologne takes 13h 12m on average. On the other hand, flying from Baltimore to Cologne takes 18h 08m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Cologne?

Lufthansa, United Airlines and Icelandair are the top three most popular airlines that fly to Cologne from Washington, D.C. according to our data. Lufthansa is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 11 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport?

Prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Cologne Köln/Bonn Airport?

There is 1 operator available for flights from Washington, D.C. to Cologne Köln/Bonn Airport as of July 2026.

How old do you have to be to fly from Washington, D.C. to Cologne Köln/Bonn 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 Washington, D.C. to Cologne Köln/Bonn Airport.

What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

The travel and health documents you'll need for your trip to Cologne Köln/Bonn Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cologne Köln/Bonn Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$250 Cheap Flights from Washington, D.C. to Cologne in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Cologne?

Prices are currently low for flights on this route. Typical prices usually range from $791 to $1,138. The lowest price recently found on this route was $736.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Cologne

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 11:20 pm

IAD

CGN

20h 50m

3 stops

10:55 pm - 8:24 pm

CGN

IAD

27h 29m

2 stops

$736Multiple Airlines

Tue, Aug 4 - Fri, Aug 28

8:30 pm - 7:30 pm

IAD

CGN

17h 00m

3 stops

10:55 pm - 9:14 pm

CGN

IAD

28h 19m

3 stops

$780Multiple Airlines

Tue, Aug 4 - Fri, Aug 28

3:25 pm - 9:05 pm

IAD

CGN

23h 40m

2 stops

11:15 pm - 9:24 pm

CGN

IAD

28h 09m

3 stops

$828Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

3:45 pm - 12:55 pm

IAD

CGN

15h 10m

2 stops

10:55 pm - 8:24 pm

CGN

IAD

27h 29m

2 stops

$831Multiple Airlines

Tue, Aug 4 - Fri, Aug 28

10:20 pm - 7:30 pm

IAD

CGN

15h 10m

1 stop

9:10 am - 9:05 pm

CGN

IAD

16h 55m

1 stop

$840Lufthansa

Wed, Oct 14 - Wed, Oct 28

10:55 pm - 5:15 pm

IAD

CGN

12h 20m

1 stop

9:10 am - 8:05 pm

CGN

IAD

16h 55m

1 stop

$855Lufthansa

Mon, Nov 2 - Sun, Nov 8

1:10 pm - 5:15 pm

BWI

CGN

22h 05m

2 stops

9:10 am - 8:57 pm

CGN

BWI

17h 47m

2 stops

$884United Airlines

Wed, Dec 2 - Sun, Dec 6

5:00 pm - 12:50 pm

DCA

CGN

13h 50m

2 stops

9:10 am - 6:52 pm

CGN

DCA

15h 42m

2 stops

$884United Airlines

Mon, Nov 2 - Sun, Nov 8

4:20 pm - 12:25 pm

DCA

CGN

14h 05m

2 stops

1:35 pm - 9:48 pm

CGN

DCA

14h 13m

2 stops

$945Air Canada

Mon, Aug 3 - Wed, Aug 19

4:20 pm - 12:25 pm

DCA

CGN

14h 05m

2 stops

1:05 pm - 9:48 pm

CGN

DCA

14h 43m

2 stops

$968Air Canada

Tue, Aug 11 - Tue, Aug 18

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United Airlines flights from Washington, D.C. to Cologne

Our best United Airlines deals on Washington, D.C. to Cologne flight tickets

United Airlines

Nov 2

IAD5:35 pmWashington, D.C. Dulles Intl

13h 15m

1 stop

CGN12:50 pmCologne Köln/Bonn

Nov 8

CGN9:10 amCologne Köln/Bonn

16h 55m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$870

United Airlines

Nov 2

IAD10:55 pmWashington, D.C. Dulles Intl

12h 20m

1 stop

CGN5:15 pmCologne Köln/Bonn

Nov 8

CGN1:35 pmCologne Köln/Bonn

15h 22m

2 stops

IAD10:57 pmWashington, D.C. Dulles Intl

$880

United Airlines

Nov 2

DCA5:00 pmWashington, D.C. Reagan-National

13h 50m

2 stops

CGN12:50 pmCologne Köln/Bonn

Nov 8

CGN9:10 amCologne Köln/Bonn

15h 42m

2 stops

DCA6:52 pmWashington, D.C. Reagan-National

$884

Lufthansa flights from Washington, D.C. to Cologne

Our best Lufthansa deals on Washington, D.C. to Cologne flight tickets

Lufthansa

Oct 14

IAD10:20 pmWashington, D.C. Dulles Intl

15h 10m

1 stop

CGN7:30 pmCologne Köln/Bonn

Oct 28

CGN9:10 amCologne Köln/Bonn

16h 55m

1 stop

IAD9:05 pmWashington, D.C. Dulles Intl

$840

Lufthansa

Nov 2

IAD10:55 pmWashington, D.C. Dulles Intl

12h 20m

1 stop

CGN5:15 pmCologne Köln/Bonn

Nov 8

CGN9:10 amCologne Köln/Bonn

16h 55m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$855

Lufthansa

Aug 3

IAD10:20 pmWashington, D.C. Dulles Intl

13h 00m

1 stop

CGN5:20 pmCologne Köln/Bonn

Aug 19

CGN8:10 pmCologne Köln/Bonn

29h 15m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

$871

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/4

8:30 pm-11:20 pm

3 stops20h 50m

Cologne Köln/Bonn

Fri 8/28

10:55 pm-8:24 pm

2 stops27h 29m

$736

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/4

8:30 pm-7:30 pm

3 stops17h 00m

Cologne Köln/Bonn

Fri 8/28

10:55 pm-9:14 pm

3 stops28h 19m

$780

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/11

3:25 pm-9:05 pm

2 stops23h 40m

Cologne Köln/Bonn

Tue 8/18

11:15 pm-9:24 pm

3 stops28h 09m

$828

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/4

3:45 pm-12:55 pm

2 stops15h 10m

Cologne Köln/Bonn

Fri 8/28

10:55 pm-8:24 pm

2 stops27h 29m

$831

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 10/14

10:20 pm-7:30 pm

1 stop15h 10m

Cologne Köln/Bonn

Wed 10/28

9:10 am-9:05 pm

1 stop16h 55m

$840

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 11/2

10:55 pm-5:15 pm

1 stop12h 20m

Cologne Köln/Bonn

Sun 11/8

9:10 am-8:05 pm

1 stop16h 55m

$855

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Wed 12/2

1:10 pm-5:15 pm

2 stops22h 05m

Cologne Köln/Bonn

Sun 12/6

9:10 am-8:57 pm

2 stops17h 47m

$884

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 11/2

5:00 pm-12:50 pm

2 stops13h 50m

Cologne Köln/Bonn

Sun 11/8

9:10 am-6:52 pm

2 stops15h 42m

$884

Quickest round-trip

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 8/3

4:20 pm-12:25 pm

2 stops14h 05m

Cologne Köln/Bonn

Wed 8/19

1:35 pm-9:48 pm

2 stops14h 13m

$945

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Tue 8/11

4:20 pm-12:25 pm

2 stops14h 05m

Cologne Köln/Bonn

Tue 8/18

1:05 pm-9:48 pm

2 stops14h 43m

$968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Cologne

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

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Cologne?

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from Washington, D.C. is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of January, then departing from Washington, D.C. during the month November is also very affordable. Most momondo users find prices during this month for around $474.

Can stopping save me money on Washington, D.C. to Cologne flights?

You could potentially save up to 61% on your flight if you consider stops on a Washington, D.C. to Cologne flight.

When to book flights from Washington, D.C. to Cologne

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

Estimated round-trip price

Cheap Washington, D.C. to Cologne (WAS to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cologne

Fastest flight time	12h 20m
Direct flights	None

The fastest flight from Washington, D.C. to Cologne takes 12h 20m

There are no direct flights from Washington, D.C. to Cologne. There are no popular flight routes from Washington, D.C. to Cologne.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Cologne

How far is Washington, D.C. to Cologne Köln/Bonn by plane?
Washington, D.C. and Cologne Köln/Bonn are 3962.0 mi apart from one another. 12h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport?
Prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Cologne Köln/Bonn Airport?
There is 1 operator available for flights from Washington, D.C. to Cologne Köln/Bonn Airport as of July 2026.
How old do you have to be to fly from Washington, D.C. to Cologne Köln/Bonn 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 Washington, D.C. to Cologne Köln/Bonn Airport.
What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?
The travel and health documents you'll need for your trip to Cologne Köln/Bonn Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cologne Köln/Bonn Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Cologne?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Cologne is Lufthansa (60% of total bookings). The next most popular airline is British Airways (40%).

Best airlines flying from Washington, D.C. to Cologne

Compare and see reviews for airlines that fly from Washington, D.C. to Cologne with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $681	Free Cancellation	Rating 6.8 8,109 reviews		Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cologne?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Cologne. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Cologne with flexible booking policies on momondo?

Yes. All flights to Cologne from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Cologne?

Once you have performed a search for Washington, D.C. to Cologne 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 Washington, D.C. to Cologne right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Cologne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington, D.C. to Cologne from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Cologne departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Washington, D.C. to Cologne

Our best United Airlines deals on Washington, D.C. to Cologne flight tickets

Lufthansa flights from Washington, D.C. to Cologne

Our best Lufthansa deals on Washington, D.C. to Cologne flight tickets

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How to get the cheapest flight ticket from Washington, D.C. to Cologne

What is the typical price of a round-trip flight between Washington, D.C. and Cologne?

What is the cheapest month to fly to Cologne?

Can stopping save me money on Washington, D.C. to Cologne flights?

What is the cheapest airline that flies from Washington, D.C. to Cologne Köln/Bonn?

What airlines fly to Cologne?

How long does it take to fly to Cologne?

When to book flights from Washington, D.C. to Cologne

Cheap Washington, D.C. to Cologne (WAS to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cologne

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Cologne

Best airlines flying from Washington, D.C. to Cologne

Compare and see reviews for airlines that fly from Washington, D.C. to Cologne with momondo

Why use momondo?

An easier way to manage your Cologne trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Cologne. Availability may vary depending on flight origin and airline.

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