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Cheap flights from Cologne to Washington, D.C. from $471

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 9/3. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
8:30 am - 3:05 pm
CGN
-
IAD
12h 35m
1 stop
Lufthansa Logo
10:20 pm - 6:55 pm
IAD
-
CGN
14h 35m
1 stop
$671Lufthansa
Thu, Aug 13 - Fri, Aug 21
Lufthansa Logo
8:30 am - 3:05 pm
CGN
-
IAD
12h 35m
1 stop
Lufthansa Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$682Lufthansa
Sun, Aug 9 - Sun, Aug 16
Lufthansa Logo
8:30 am - 3:05 pm
CGN
-
IAD
12h 35m
1 stop
Lufthansa Logo
10:20 pm - 6:55 pm
IAD
-
CGN
14h 35m
1 stop
$686Lufthansa
Thu, Aug 13 - Fri, Aug 21
Lufthansa Logo
8:30 am - 3:05 pm
CGN
-
IAD
12h 35m
1 stop
Lufthansa Logo
10:20 pm - 6:55 pm
IAD
-
CGN
14h 35m
1 stop
$688Lufthansa
Thu, Aug 13 - Fri, Aug 21
Multiple Airlines Logo
8:30 am - 3:05 pm
CGN
-
IAD
12h 35m
1 stop
Multiple Airlines Logo
5:25 pm - 8:50 am
IAD
-
CGN
33h 25m
1 stop
$690Multiple Airlines
Sun, Aug 9 - Sun, Aug 16
United Airlines Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
United Airlines Logo
5:35 pm - 12:50 pm
IAD
-
CGN
13h 15m
1 stop
$692United Airlines
Mon, Oct 19 - Mon, Nov 2
Multiple Airlines Logo
8:40 pm - 2:35 pm
CGN
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
10:20 pm - 5:20 pm
IAD
-
CGN
13h 00m
1 stop
$693Multiple Airlines
Wed, Aug 26 - Mon, Aug 31
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
Lufthansa Logo
10:20 pm - 5:20 pm
IAD
-
CGN
13h 00m
1 stop
$695Lufthansa
Tue, Sep 22 - Mon, Oct 12
United Airlines Logo
8:30 am - 10:59 pm
CGN
-
IAD
20h 29m
2 stops
United Airlines Logo
5:35 pm - 12:50 pm
IAD
-
CGN
13h 15m
1 stop
$697United Airlines
Sun, Oct 18 - Mon, Nov 2
Air Canada Logo
8:30 am - 8:25 pm
CGN
-
IAD
17h 55m
2 stops
Air Canada Logo
9:55 am - 12:25 pm
IAD
-
CGN
20h 30m
2 stops
$699Air Canada
Tue, Sep 22 - Mon, Oct 12

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

Our best Lufthansa deals on Cologne to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Aug 13
CGN8:30 amCologne Köln/Bonn
12h 35m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Aug 21
IAD10:20 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
CGN6:55 pmCologne Köln/Bonn
$671
Lufthansa
Aug 9
CGN8:30 amCologne Köln/Bonn
12h 35m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Aug 16
IAD10:20 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
CGN7:30 pmCologne Köln/Bonn
$682
Lufthansa
Aug 13
CGN8:30 amCologne Köln/Bonn
12h 35m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Aug 21
IAD10:20 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
CGN6:55 pmCologne Köln/Bonn
$686

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
Oct 19
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Nov 2
IAD5:35 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
CGN12:50 pmCologne Köln/Bonn
$692
United Airlines
Oct 18
CGN8:30 amCologne Köln/Bonn
20h 29m
2 stops
IAD10:59 pmWashington, D.C. Dulles Intl
Nov 2
IAD5:35 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
CGN12:50 pmCologne Köln/Bonn
$697
United Airlines
Oct 15
CGN1:05 pmCologne Köln/Bonn
12h 55m
2 stops
IAD8:00 pmWashington, D.C. Dulles Intl
Nov 2
IAD10:55 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
CGN5:15 pmCologne Köln/Bonn
$704

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 June 28, 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

Cheapest round-trip

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 8/13

8:30 am-3:05 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Fri 8/21

10:20 pm-6:55 pm

1 stop14h 35m

$671

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 8/9

8:30 am-3:05 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Sun 8/16

10:20 pm-7:30 pm

1 stop15h 10m

$682

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 8/13

8:30 am-3:05 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Fri 8/21

10:20 pm-6:55 pm

1 stop14h 35m

$686

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 8/13

8:30 am-3:05 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Fri 8/21

10:20 pm-6:55 pm

1 stop14h 35m

$688

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 8/9

8:30 am-3:05 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Sun 8/16

5:25 pm-8:50 am

1 stop33h 25m

$690

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 10/19

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 11/2

5:35 pm-12:50 pm

1 stop13h 15m

$692

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 8/26

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 8/31

10:20 pm-5:20 pm

1 stop13h 00m

$693
Quickest round-trip

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 9/22

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 10/12

10:20 pm-5:20 pm

1 stop13h 00m

$695

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 10/18

8:30 am-10:59 pm

2 stops20h 29m

Washington, D.C. Dulles Intl

Mon 11/2

5:35 pm-12:50 pm

1 stop13h 15m

$697

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 9/22

8:30 am-8:25 pm

2 stops17h 55m

Washington, D.C. Dulles Intl

Mon 10/12

9:55 am-12:25 pm

2 stops20h 30m

$699

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. 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?

Turkish Airlines 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 54% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 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 35m

Direct flights

None
The fastest flight from Cologne to Washington, D.C. Dulles Intl Airport takes 12h 35m
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

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

  • 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 35m 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

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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