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Cheap flights from Cologne to Washington, D.C. from $512

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cologne to Washington, D.C. departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 2:35 pm
CGN
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$638Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
8:40 pm - 2:35 pm
CGN
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$640Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
8:40 pm - 2:35 pm
CGN
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
10:10 pm - 7:30 pm
IAD
-
CGN
15h 20m
2 stops
$641Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
8:40 pm - 2:35 pm
CGN
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
5:25 pm - 7:30 pm
IAD
-
CGN
20h 05m
1 stop
$642Multiple Airlines
Wed, May 6 - Mon, May 11
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
Lufthansa Logo
5:25 pm - 12:25 pm
IAD
-
CGN
13h 00m
1 stop
$651Lufthansa
Mon, Apr 27 - Tue, May 5
Lufthansa Logo
8:30 am - 7:25 pm
CGN
-
IAD
16h 55m
1 stop
Lufthansa Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$652Lufthansa
Sun, Apr 26 - Sun, May 3
United Airlines Logo
1:05 pm - 10:48 pm
CGN
-
DCA
15h 43m
2 stops
United Airlines Logo
10:30 am - 12:25 pm
DCA
-
CGN
19h 55m
2 stops
$665United Airlines
Wed, Apr 22 - Sun, Apr 26
United Airlines Logo
1:05 pm - 10:48 pm
CGN
-
DCA
15h 43m
2 stops
United Airlines Logo
10:30 am - 12:25 pm
DCA
-
CGN
19h 55m
2 stops
$668United Airlines
Wed, Apr 22 - Sun, Apr 26
Air Canada Logo
1:05 pm - 9:55 pm
CGN
-
DCA
14h 50m
2 stops
Air Canada Logo
4:20 pm - 12:25 pm
DCA
-
CGN
14h 05m
2 stops
$704Air Canada
Wed, May 6 - Mon, May 11
Air Canada Logo
1:05 pm - 9:55 pm
CGN
-
DCA
14h 50m
2 stops
Air Canada Logo
11:00 am - 12:25 pm
DCA
-
CGN
19h 25m
2 stops
$724Air Canada
Mon, Apr 27 - Tue, May 5

Lufthansa flights from Cologne to Washington, D.C.

Our best Lufthansa deals on Cologne to Washington, D.C. flight tickets
Lufthansa
Apr 27
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
May 5
IAD5:25 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN12:25 pmCologne Köln/Bonn
$651
Lufthansa
Apr 9
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Apr 24
IAD10:20 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
CGN6:55 pmCologne Köln/Bonn
$655
Lufthansa
Aug 31
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 1
IAD10:20 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
CGN7:30 pmCologne Köln/Bonn
$658

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

Our best United Airlines deals on Cologne to Washington, D.C. flight tickets
United Airlines
Apr 13
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Apr 24
IAD5:25 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN12:25 pmCologne Köln/Bonn
$663
United Airlines
Apr 22
CGN1:05 pmCologne Köln/Bonn
15h 43m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
Apr 26
DCA10:30 amWashington, D.C. Reagan-National
19h 55m
2 stops
CGN12:25 pmCologne Köln/Bonn
$665
United Airlines
Apr 9
CGN1:05 pmCologne Köln/Bonn
16h 20m
2 stops
IAD11:25 pmWashington, D.C. Dulles Intl
Apr 24
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
CGN5:40 pmCologne Köln/Bonn
$668

momondo Fare Finder

 
Customize your flight search to find flights from Cologne to Washington, D.C. 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 March 17, 2026.
Use the filters below to find and compare flights from Cologne to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 4/9

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 4/13

10:20 pm-7:30 pm

1 stop15h 10m

$638

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 4/9

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 4/13

10:20 pm-7:30 pm

1 stop15h 10m

$640

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 4/9

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 4/13

10:10 pm-7:30 pm

2 stops15h 20m

$641

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 5/6

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 5/11

5:25 pm-7:30 pm

1 stop20h 05m

$642
Quickest round-trip

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 4/27

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Tue 5/5

5:25 pm-12:25 pm

1 stop13h 00m

$651

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 4/26

8:30 am-7:25 pm

1 stop16h 55m

Washington, D.C. Dulles Intl

Sun 5/3

10:20 pm-7:30 pm

1 stop15h 10m

$652

CologneWashington, D.C.

CGN - DCA

CGNDCA

Cologne Köln/Bonn

Wed 4/22

1:05 pm-10:48 pm

2 stops15h 43m

Washington, D.C. Reagan-National

Sun 4/26

10:30 am-12:25 pm

2 stops19h 55m

$665

CologneWashington, D.C.

CGN - DCA

CGNDCA

Cologne Köln/Bonn

Wed 4/22

1:05 pm-10:48 pm

2 stops15h 43m

Washington, D.C. Reagan-National

Sun 4/26

10:30 am-12:25 pm

2 stops19h 55m

$668

CologneWashington, D.C.

CGN - DCA

CGNDCA

Cologne Köln/Bonn

Wed 5/6

1:05 pm-9:55 pm

2 stops14h 50m

Washington, D.C. Reagan-National

Mon 5/11

4:20 pm-12:25 pm

2 stops14h 05m

$704

CologneWashington, D.C.

CGN - DCA

CGNDCA

Cologne Köln/Bonn

Mon 4/27

1:05 pm-9:55 pm

2 stops14h 50m

Washington, D.C. Reagan-National

Tue 5/5

11:00 am-12:25 pm

2 stops19h 25m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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 cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Cologne, with most prices found around $542. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from Cologne to Washington, D.C. during August average around $572.

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

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

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

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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Cologne to Washington, D.C. takes 12h 20m
There are no direct flights from Cologne to Washington, D.C.. There are no popular flight routes from Cologne to Washington, D.C..
Search flight deals

  • How far is Cologne Köln/Bonn to Washington, D.C. by plane?

    The straight-line distance from Cologne Köln/Bonn to Washington, D.C. is 3962.0 mi. Flights usually cover this in 12h 20m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Cologne Köln/Bonn Airport to Washington, D.C. refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. 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 Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
Bethesda
Fairfax
Reston

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Cologne to Washington, D.C. flights to just show those with flexible booking policies.

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

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

Yes. momondo can track prices for Cologne to Washington, D.C. 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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport