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Cheap flights from Cologne to Washington, D.C. from $399

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 11/22. 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 Cologne to Washington, D.C.

Cheap round-trip flights

Logo
6:05 am - 7:25 pmCGN-IAD
19h 20m1 stop
Logo
9:00 am - 12:05 pmIAD-CGN
21h 05m2 stops
$522
Find Deal
vie., oct. 10 - vie., nov. 14
Lufthansa Logo
12:55 pm - 7:25 pmCGN-IAD
12h 30m1 stop
Lufthansa Logo
10:20 pm - 5:10 pmIAD-CGN
12h 50m1 stop
$530Lufthansa
Find Deal
dom., sep. 14 - dom., sep. 21
United Airlines Logo
6:05 am - 3:05 pmCGN-IAD
15h 00m1 stop
United Airlines Logo
5:40 pm - 5:35 pmIAD-CGN
17h 55m1 stop
$534United Airlines
Find Deal
vie., oct. 10 - jue., oct. 23
Lufthansa Logo
6:05 am - 7:25 pmCGN-IAD
19h 20m1 stop
Lufthansa Logo
10:20 pm - 11:10 pmIAD-CGN
18h 50m1 stop
$536Lufthansa
Find Deal
lun., sep. 1 - dom., sep. 7
Air Canada Logo
6:20 am - 11:45 amCGN-IAD
35h 25m2 stops
Air Canada Logo
1:20 pm - 10:05 pmIAD-CGN
26h 45m2 stops
$537Air Canada
Find Deal
vie., oct. 10 - sáb., nov. 15
Air Canada Logo
6:20 am - 11:45 amCGN-IAD
35h 25m2 stops
Air Canada Logo
1:00 pm - 12:15 pmIAD-CGN
17h 15m2 stops
$538Air Canada
Find Deal
vie., oct. 10 - mar., oct. 21
United Airlines Logo
12:55 pm - 8:00 pmCGN-IAD
13h 05m2 stops
United Airlines Logo
10:20 pm - 5:10 pmIAD-CGN
12h 50m1 stop
$546United Airlines
Find Deal
lun., sep. 1 - dom., sep. 7
Austrian Airlines Logo
6:30 am - 3:52 pmCGN-IAD
39h 22m2 stops
Austrian Airlines Logo
5:10 pm - 8:50 amIAD-CGN
57h 40m2 stops
$554Austrian Airlines
Find Deal
vie., sep. 12 - vie., sep. 19
British Airways Logo
9:15 pm - 6:51 pmCGN-IAD
27h 36m2 stops
British Airways Logo
7:25 pm - 9:25 pmIAD-CGN
20h 00m1 stop
$563British Airways
Find Deal
mar., oct. 14 - mar., oct. 21
British Airways Logo
10:15 pm - 11:59 pmCGN-IAD
31h 44m2 stops
British Airways Logo
7:25 pm - 9:00 pmIAD-CGN
19h 35m2 stops
$598British Airways
Find Deal
mié., ago. 20 - mié., ago. 27

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

Our best British Airways deals on Cologne to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
Oct 14
CGN9:15 pmCologne Köln/Bonn
27h 36m
2 stops
IAD6:51 pmWashington, D.C. Dulles Intl
Oct 21
IAD7:25 pmWashington, D.C. Dulles Intl
20h 00m
1 stop
CGN9:25 pmCologne Köln/Bonn
$563
Find similar
British Airways
Aug 20
CGN10:15 pmCologne Köln/Bonn
31h 44m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
Aug 27
IAD7:25 pmWashington, D.C. Dulles Intl
19h 35m
2 stops
CGN9:00 pmCologne Köln/Bonn
$598
Find similar
British Airways
Aug 20
CGN10:15 pmCologne Köln/Bonn
31h 44m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
Aug 27
IAD7:25 pmWashington, D.C. Dulles Intl
19h 35m
2 stops
CGN9:00 pmCologne Köln/Bonn
$599
Find similar

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
Sep 14
CGN12:55 pmCologne Köln/Bonn
12h 30m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Sep 21
IAD10:20 pmWashington, D.C. Dulles Intl
12h 50m
1 stop
CGN5:10 pmCologne Köln/Bonn
$530
Find similar
Lufthansa
Sep 1
CGN6:05 amCologne Köln/Bonn
19h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Sep 7
IAD10:20 pmWashington, D.C. Dulles Intl
18h 50m
1 stop
CGN11:10 pmCologne Köln/Bonn
$536
Find similar
Lufthansa
Sep 4
CGN6:05 amCologne Köln/Bonn
19h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Sep 11
IAD10:20 pmWashington, D.C. Dulles Intl
18h 50m
1 stop
CGN11:10 pmCologne Köln/Bonn
$540
Find similar

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 julio 31, 2025.
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

vie. 10/10

6:05 am-7:25 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

vie. 11/14

9:00 am-12:05 pm

2 stops21h 05m

$522

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

dom. 9/14

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

dom. 9/21

10:20 pm-5:10 pm

1 stop12h 50m

$530

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

vie. 10/10

6:05 am-3:05 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

jue. 10/23

5:40 pm-5:35 pm

1 stop17h 55m

$534

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

lun. 9/1

6:05 am-7:25 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

dom. 9/7

10:20 pm-11:10 pm

1 stop18h 50m

$536

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

vie. 10/10

6:20 am-11:45 am

2 stops35h 25m

Washington, D.C. Dulles Intl

sáb. 11/15

1:20 pm-10:05 pm

2 stops26h 45m

$537

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

vie. 10/10

6:20 am-11:45 am

2 stops35h 25m

Washington, D.C. Dulles Intl

mar. 10/21

1:00 pm-12:15 pm

2 stops17h 15m

$538

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

lun. 9/1

12:55 pm-8:00 pm

2 stops13h 05m

Washington, D.C. Dulles Intl

dom. 9/7

10:20 pm-5:10 pm

1 stop12h 50m

$546

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

vie. 9/12

6:30 am-3:52 pm

2 stops39h 22m

Washington, D.C. Dulles Intl

vie. 9/19

5:10 pm-8:50 am

2 stops57h 40m

$554

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

mar. 10/14

9:15 pm-6:51 pm

2 stops27h 36m

Washington, D.C. Dulles Intl

mar. 10/21

7:25 pm-9:25 pm

1 stop20h 00m

$563

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

mié. 8/20

10:15 pm-11:59 pm

2 stops31h 44m

Washington, D.C. Dulles Intl

mié. 8/27

7:25 pm-9:00 pm

2 stops19h 35m

$598

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 month to fly to Washington, D.C. Dulles Intl Airport?

In general, April is the cheapest month to fly from Cologne to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $344. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $548.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Cologne in the morning is the least expensive time of day to depart. momondo users have found prices as low as $602 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $668 on average. Flights to Washington, D.C. Dulles Intl Airport from Cologne at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$399

Fastest flight time

11h 50m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Cologne in the past 72 hours is $399. The best round-trip flight deal from Cologne to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $522.
The fastest flight from Cologne to Washington, D.C. Dulles Intl Airport takes 11h 50m
There are no direct flights from Cologne to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Cologne Köln/Bonn Airport - Washington, D.C. Dulles Intl Airport.
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  • 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 30m 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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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