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Cheap flights from Washington, D.C. to Cologne from $305

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 8/4. 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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Find the cheapest flights from Washington, D.C. to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:20 pm - 4:10 pm
IAD
-
CGN
15h 50m
1 stop
British Airways Logo
5:15 pm - 4:35 pm
CGN
-
IAD
28h 20m
1 stop
$573British Airways
Mon, Mar 9 - Mon, Mar 16
British Airways Logo
3:21 pm - 4:10 pm
DCA
-
CGN
19h 49m
2 stops
British Airways Logo
5:15 pm - 8:43 pm
CGN
-
DCA
32h 28m
2 stops
$574British Airways
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
8:30 pm - 10:05 pm
IAD
-
CGN
19h 35m
2 stops
Multiple Airlines Logo
9:35 am - 7:20 pm
CGN
-
IAD
15h 45m
2 stops
$604Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Turkish Airlines Logo
9:45 pm - 1:50 pm
IAD
-
CGN
34h 05m
1 stop
Turkish Airlines Logo
7:10 pm - 7:50 pm
CGN
-
IAD
30h 40m
1 stop
$625Turkish Airlines
Tue, Apr 14 - Tue, Apr 21
Turkish Airlines Logo
1:30 pm - 10:35 am
IAD
-
CGN
15h 05m
1 stop
Turkish Airlines Logo
11:35 am - 11:45 am
CGN
-
IAD
30h 10m
1 stop
$626Turkish Airlines
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
4:10 pm - 12:20 pm
DCA
-
CGN
14h 10m
2 stops
Multiple Airlines Logo
1:00 pm - 9:55 pm
CGN
-
DCA
14h 55m
2 stops
$776Multiple Airlines
Mon, Apr 27 - Thu, May 7
United Airlines Logo
6:00 am - 12:20 pm
BWI
-
CGN
24h 20m
2 stops
United Airlines Logo
1:00 pm - 10:04 am
CGN
-
BWI
27h 04m
2 stops
$813United Airlines
Mon, Apr 27 - Thu, May 7
Air Canada Logo
4:10 pm - 5:40 pm
DCA
-
CGN
19h 30m
2 stops
Air Canada Logo
1:00 pm - 9:55 pm
CGN
-
DCA
14h 55m
2 stops
$849Air Canada
Fri, Apr 24 - Fri, May 1
Air Canada Logo
4:10 pm - 12:20 pm
DCA
-
CGN
14h 10m
2 stops
Air Canada Logo
8:30 am - 6:13 pm
CGN
-
DCA
15h 43m
2 stops
$854Air Canada
Sun, Apr 26 - Sun, May 3
United Airlines Logo
3:42 pm - 5:40 pm
BWI
-
CGN
19h 58m
2 stops
United Airlines Logo
1:00 pm - 9:02 pm
CGN
-
BWI
38h 02m
2 stops
$863United Airlines
Fri, Apr 24 - Fri, May 1

Air Canada flights from Washington, D.C. to Cologne

Our best Air Canada deals on Washington, D.C. to Cologne flight tickets
Air Canada
Apr 24
DCA4:10 pmWashington, D.C. Reagan-National
19h 30m
2 stops
CGN5:40 pmCologne Köln/Bonn
May 1
CGN1:00 pmCologne Köln/Bonn
14h 55m
2 stops
DCA9:55 pmWashington, D.C. Reagan-National
$849
Air Canada
Apr 26
DCA4:10 pmWashington, D.C. Reagan-National
14h 10m
2 stops
CGN12:20 pmCologne Köln/Bonn
May 3
CGN8:30 amCologne Köln/Bonn
15h 43m
2 stops
DCA6:13 pmWashington, D.C. Reagan-National
$854
Air Canada
Mar 23
DCA4:10 pmWashington, D.C. Reagan-National
15h 00m
2 stops
CGN12:10 pmCologne Köln/Bonn
Mar 30
CGN1:05 pmCologne Köln/Bonn
14h 48m
2 stops
DCA9:53 pmWashington, D.C. Reagan-National
$865

British Airways flights from Washington, D.C. to Cologne

Our best British Airways deals on Washington, D.C. to Cologne flight tickets
British Airways
Mar 9
IAD7:20 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
CGN4:10 pmCologne Köln/Bonn
Mar 16
CGN5:15 pmCologne Köln/Bonn
28h 20m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$573
British Airways
Mar 11
DCA3:21 pmWashington, D.C. Reagan-National
19h 49m
2 stops
CGN4:10 pmCologne Köln/Bonn
Mar 18
CGN5:15 pmCologne Köln/Bonn
32h 28m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$574
British Airways
Mar 11
IAD10:45 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
CGN4:10 pmCologne Köln/Bonn
Mar 18
CGN5:15 pmCologne Köln/Bonn
32h 40m
1 stop
IAD8:55 pmWashington, D.C. Dulles Intl
$605

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Cologne 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 3/9

7:20 pm-4:10 pm

1 stop15h 50m

Cologne Köln/Bonn

Mon 3/16

5:15 pm-4:35 pm

1 stop28h 20m

$573

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Wed 3/11

3:21 pm-4:10 pm

2 stops19h 49m

Cologne Köln/Bonn

Wed 3/18

5:15 pm-8:43 pm

2 stops32h 28m

$574

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 4/14

8:30 pm-10:05 pm

2 stops19h 35m

Cologne Köln/Bonn

Tue 4/21

9:35 am-7:20 pm

2 stops15h 45m

$604

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 4/14

9:45 pm-1:50 pm

1 stop34h 05m

Cologne Köln/Bonn

Tue 4/21

7:10 pm-7:50 pm

1 stop30h 40m

$625

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Thu 2/26

1:30 pm-10:35 am

1 stop15h 05m

Cologne Köln/Bonn

Thu 3/5

11:35 am-11:45 am

1 stop30h 10m

$626

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 4/27

4:10 pm-12:20 pm

2 stops14h 10m

Cologne Köln/Bonn

Thu 5/7

1:00 pm-9:55 pm

2 stops14h 55m

$776

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Mon 4/27

6:00 am-12:20 pm

2 stops24h 20m

Cologne Köln/Bonn

Thu 5/7

1:00 pm-10:04 am

2 stops27h 04m

$813

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Fri 4/24

4:10 pm-5:40 pm

2 stops19h 30m

Cologne Köln/Bonn

Fri 5/1

1:00 pm-9:55 pm

2 stops14h 55m

$849

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sun 4/26

4:10 pm-12:20 pm

2 stops14h 10m

Cologne Köln/Bonn

Sun 5/3

8:30 am-6:13 pm

2 stops15h 43m

$854

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Fri 4/24

3:42 pm-5:40 pm

2 stops19h 58m

Cologne Köln/Bonn

Fri 5/1

1:00 pm-9:02 pm

2 stops38h 02m

$863

Flights are sorted by cheapest round-trip flights first.

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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

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

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

You could potentially save up to 34% 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 25m

Direct flights

None
The fastest flight from Washington, D.C. to Cologne takes 12h 25m
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

  • 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 25m 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?

  • 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?

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
British AirwaysPriceFrom $561Free CancellationRating
6.7
7,720 reviews
Search British Airways flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
LufthansaPriceFrom $681Free CancellationRating
6.8
7,773 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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