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Cheap flights from Cologne to Washington, D.C. from $448

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 6/8. 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.
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
$705Multiple Airlines
Mon, May 25 - Sun, May 31
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
$706Multiple Airlines
Mon, May 25 - Sun, May 31
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
Lufthansa Logo
5:30 pm - 12:25 pm
IAD
-
CGN
12h 55m
1 stop
$716Lufthansa
Sat, May 23 - Fri, May 29
Multiple Airlines Logo
8:40 pm - 2:35 pm
CGN
-
IAD
23h 55m
1 stop
Multiple Airlines Logo
10:15 pm - 7:30 pm
IAD
-
CGN
15h 15m
2 stops
$717Multiple Airlines
Mon, May 25 - Sun, May 31
Lufthansa Logo
6:05 pm - 3:05 pm
CGN
-
IAD
27h 00m
1 stop
Lufthansa Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$719Lufthansa
Mon, May 25 - Sun, May 31
Lufthansa Logo
6:05 pm - 3:05 pm
CGN
-
IAD
27h 00m
1 stop
Lufthansa Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$721Lufthansa
Mon, May 25 - Sun, May 31
United Airlines Logo
8:30 am - 7:25 pm
CGN
-
IAD
16h 55m
1 stop
United Airlines Logo
5:30 pm - 12:25 pm
IAD
-
CGN
12h 55m
1 stop
$725United Airlines
Thu, Jun 18 - Thu, Jul 2
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
Lufthansa Logo
3:25 pm - 12:25 pm
IAD
-
CGN
15h 00m
2 stops
$727Lufthansa
Sat, May 23 - Fri, May 29
United Airlines Logo
8:30 am - 3:05 pm
CGN
-
IAD
12h 35m
1 stop
United Airlines Logo
4:20 pm - 12:25 pm
IAD
-
CGN
38h 05m
2 stops
$733United Airlines
Thu, Jun 18 - Wed, Jul 1
Air Canada Logo
6:20 am - 6:58 pm
CGN
-
IAD
18h 38m
2 stops
Air Canada Logo
9:55 am - 12:25 pm
IAD
-
CGN
20h 30m
2 stops
$734Air Canada
Thu, May 21 - Mon, May 25

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
May 17
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
May 29
IAD5:30 pmWashington, D.C. Dulles Intl
18h 10m
1 stop
CGN5:40 pmCologne Köln/Bonn
$705
Lufthansa
May 23
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
May 29
IAD5:30 pmWashington, D.C. Dulles Intl
12h 55m
1 stop
CGN12:25 pmCologne Köln/Bonn
$716
Lufthansa
May 17
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
May 29
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
CGN5:40 pmCologne Köln/Bonn
$718

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
May 21
CGN6:20 amCologne Köln/Bonn
18h 38m
2 stops
IAD6:58 pmWashington, D.C. Dulles Intl
May 25
IAD9:55 amWashington, D.C. Dulles Intl
20h 30m
2 stops
CGN12:25 pmCologne Köln/Bonn
$734
Air Canada
May 17
CGN1:05 pmCologne Köln/Bonn
31h 19m
2 stops
IAD2:24 pmWashington, D.C. Dulles Intl
May 30
IAD10:14 pmWashington, D.C. Dulles Intl
41h 21m
2 stops
CGN9:35 pmCologne Köln/Bonn
$735
Air Canada
May 17
CGN1:05 pmCologne Köln/Bonn
31h 19m
2 stops
IAD2:24 pmWashington, D.C. Dulles Intl
May 29
IAD9:55 amWashington, D.C. Dulles Intl
20h 30m
2 stops
CGN12:25 pmCologne Köln/Bonn
$738

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 May 11, 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

Mon 5/25

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Sun 5/31

10:20 pm-5:20 pm

1 stop13h 00m

$705

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 5/25

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Sun 5/31

10:20 pm-7:30 pm

1 stop15h 10m

$706
Quickest round-trip

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 5/23

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Fri 5/29

5:30 pm-12:25 pm

1 stop12h 55m

$716

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 5/25

8:40 pm-2:35 pm

1 stop23h 55m

Washington, D.C. Dulles Intl

Sun 5/31

10:15 pm-7:30 pm

2 stops15h 15m

$717

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 5/25

6:05 pm-3:05 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Sun 5/31

10:20 pm-7:30 pm

1 stop15h 10m

$719

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 5/25

6:05 pm-3:05 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Sun 5/31

10:20 pm-7:30 pm

1 stop15h 10m

$721

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 6/18

8:30 am-7:25 pm

1 stop16h 55m

Washington, D.C. Dulles Intl

Thu 7/2

5:30 pm-12:25 pm

1 stop12h 55m

$725

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 5/23

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Fri 5/29

3:25 pm-12:25 pm

2 stops15h 00m

$727

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 6/18

8:30 am-3:05 pm

1 stop12h 35m

Washington, D.C. Dulles Intl

Wed 7/1

4:20 pm-12:25 pm

2 stops38h 05m

$733

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 5/21

6:20 am-6:58 pm

2 stops18h 38m

Washington, D.C. Dulles Intl

Mon 5/25

9:55 am-12:25 pm

2 stops20h 30m

$734

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 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 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 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.
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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 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
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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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