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Cheap flights from Cologne to Washington, D.C. from $457

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 5/31. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:10 am - 3:35 pm
CGN
-
IAD
12h 25m
1 stop
Lufthansa Logo
5:40 pm - 12:50 pm
IAD
-
CGN
13h 10m
1 stop
$604Lufthansa
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
8:20 pm - 3:40 pm
CGN
-
IAD
24h 20m
1 stop
Multiple Airlines Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$607Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
8:20 pm - 2:40 pm
CGN
-
IAD
24h 20m
1 stop
Multiple Airlines Logo
11:55 pm - 7:35 pm
IAD
-
CGN
14h 40m
1 stop
$618Multiple Airlines
Fri, Mar 6 - Sun, Mar 22
Air Canada Logo
6:45 am - 8:54 pm
CGN
-
IAD
20h 09m
2 stops
Air Canada Logo
9:45 am - 12:10 pm
IAD
-
CGN
20h 25m
2 stops
$619Air Canada
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
8:30 am - 7:25 pm
CGN
-
IAD
16h 55m
1 stop
United Airlines Logo
10:20 pm - 5:20 pm
IAD
-
CGN
13h 00m
1 stop
$621United Airlines
Sat, Apr 11 - Sun, Apr 19
United Airlines Logo
1:35 pm - 11:21 pm
CGN
-
IAD
15h 46m
2 stops
United Airlines Logo
5:40 pm - 12:50 pm
IAD
-
CGN
13h 10m
1 stop
$626United Airlines
Thu, Feb 26 - Mon, Mar 2
Lufthansa Logo
9:10 am - 3:35 pm
CGN
-
IAD
12h 25m
1 stop
Lufthansa Logo
6:20 pm - 12:35 pm
IAD
-
CGN
12h 15m
2 stops
$627Lufthansa
Thu, Feb 19 - Tue, Feb 24
United Airlines Logo
1:35 pm - 11:21 pm
CGN
-
IAD
15h 46m
2 stops
United Airlines Logo
5:34 pm - 12:50 pm
IAD
-
CGN
13h 16m
2 stops
$628United Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
8:20 pm - 3:40 pm
CGN
-
IAD
24h 20m
1 stop
Multiple Airlines Logo
12:40 pm - 12:25 pm
IAD
-
CGN
17h 45m
2 stops
$631Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
8:20 pm - 2:40 pm
CGN
-
IAD
24h 20m
1 stop
Multiple Airlines Logo
4:30 pm - 12:10 pm
IAD
-
CGN
14h 40m
2 stops
$634Multiple Airlines
Fri, Mar 6 - Tue, Mar 10

Air Canada flights from Cologne to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Cologne to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Feb 19
CGN6:45 amCologne Köln/Bonn
20h 09m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Feb 23
IAD9:45 amWashington, D.C. Dulles Intl
20h 25m
2 stops
CGN12:10 pmCologne Köln/Bonn
$619
Air Canada
Feb 21
CGN8:40 amCologne Köln/Bonn
17h 49m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
Feb 24
IAD1:13 pmWashington, D.C. Dulles Intl
16h 57m
2 stops
CGN12:10 pmCologne Köln/Bonn
$648
Air Canada
Mar 6
CGN8:40 amCologne Köln/Bonn
17h 46m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Mar 10
IAD4:30 pmWashington, D.C. Dulles Intl
14h 40m
2 stops
CGN12:10 pmCologne Köln/Bonn
$653

United Airlines flights from Cologne to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Cologne to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 11
CGN8:30 amCologne Köln/Bonn
16h 55m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Apr 19
IAD10:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN5:20 pmCologne Köln/Bonn
$621
United Airlines
Feb 26
CGN1:35 pmCologne Köln/Bonn
15h 46m
2 stops
IAD11:21 pmWashington, D.C. Dulles Intl
Mar 2
IAD5:34 pmWashington, D.C. Dulles Intl
13h 16m
2 stops
CGN12:50 pmCologne Köln/Bonn
$626
United Airlines
Feb 26
CGN1:35 pmCologne Köln/Bonn
15h 46m
2 stops
IAD11:21 pmWashington, D.C. Dulles Intl
Mar 2
IAD5:34 pmWashington, D.C. Dulles Intl
13h 16m
2 stops
CGN12:50 pmCologne Köln/Bonn
$628

momondo Fare Finder

 
Customize your flight search to find flights from Cologne to Washington, D.C. Dulles Intl Airport 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 9, 2026.
Use the filters below to find and compare flights from Cologne to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

9:10 am-3:35 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 2/23

5:40 pm-12:50 pm

1 stop13h 10m

$604

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 3/24

8:20 pm-3:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 3/31

10:20 pm-7:30 pm

1 stop15h 10m

$607

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 3/6

8:20 pm-2:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 3/22

11:55 pm-7:35 pm

1 stop14h 40m

$618

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

6:45 am-8:54 pm

2 stops20h 09m

Washington, D.C. Dulles Intl

Mon 2/23

9:45 am-12:10 pm

2 stops20h 25m

$619

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 4/11

8:30 am-7:25 pm

1 stop16h 55m

Washington, D.C. Dulles Intl

Sun 4/19

10:20 pm-5:20 pm

1 stop13h 00m

$621

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/26

1:35 pm-11:21 pm

2 stops15h 46m

Washington, D.C. Dulles Intl

Mon 3/2

5:40 pm-12:50 pm

1 stop13h 10m

$626

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

9:10 am-3:35 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Tue 2/24

6:20 pm-12:35 pm

2 stops12h 15m

$627

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/26

1:35 pm-11:21 pm

2 stops15h 46m

Washington, D.C. Dulles Intl

Mon 3/2

5:34 pm-12:50 pm

2 stops13h 16m

$628

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 3/24

8:20 pm-3:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 3/31

12:40 pm-12:25 pm

2 stops17h 45m

$631

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 3/6

8:20 pm-2:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 3/10

4:30 pm-12:10 pm

2 stops14h 40m

$634

Flights are sorted by cheapest round-trip flights 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. Dulles Intl Airport

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 airline that flies from Cologne Köln/Bonn to Washington, D.C. Dulles Intl?

Lufthansa is the most popular carrier operating from Cologne Köln/Bonn to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Lufthansa, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Cologne according to our data. Lufthansa is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 7 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Cologne to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cologne to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (CGN to IAD) flight deals and tips

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

Fastest flight time

12h 20m

Direct flights

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

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

    Washington, D.C. Dulles Intl is 3976.6 mi away from Cologne Köln/Bonn. Typically, this will take 12h 20m by plane in normal conditions.

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

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

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

    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. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. 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
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cologne to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Cologne to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Cologne to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 offers price alerts on flights to Washington, D.C. from Cologne. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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