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Cheap flights from Cologne to Washington, D.C. from $552

This is the cheapest round-trip 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 2/19. 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

British Airways Logo
5:05 pm - 3:35 pmCGN-IAD
28h 30m1 stop
British Airways Logo
6:20 pm - 4:30 pmIAD-CGN
16h 10m1 stop
$552British Airways
Find Deal
Thu, Feb 19 - Sun, Feb 22
British Airways Logo
5:05 pm - 3:35 pmCGN-IAD
28h 30m1 stop
British Airways Logo
6:20 pm - 4:30 pmIAD-CGN
16h 10m1 stop
$555British Airways
Find Deal
Thu, Feb 19 - Sun, Feb 22
Lufthansa Logo
12:55 pm - 7:25 pmCGN-IAD
12h 30m1 stop
Lufthansa Logo
6:40 pm - 6:55 pmIAD-CGN
19h 15m1 stop
$575Lufthansa
Find Deal
Mon, Oct 20 - Tue, Oct 28
Lufthansa Logo
12:55 pm - 7:25 pmCGN-IAD
12h 30m1 stop
Lufthansa Logo
10:20 pm - 7:20 pmIAD-CGN
15h 00m1 stop
$576Lufthansa
Find Deal
Fri, Oct 3 - Tue, Oct 7
United Airlines Logo
6:05 am - 9:05 pmCGN-IAD
20h 00m1 stop
United Airlines Logo
10:55 pm - 5:10 pmIAD-CGN
12h 15m1 stop
$578United Airlines
Find Deal
Sun, Oct 26 - Sun, Nov 2
Air Canada Logo
6:45 am - 8:59 pmCGN-IAD
20h 14m2 stops
Air Canada Logo
9:00 am - 12:10 pmIAD-CGN
21h 10m2 stops
$579Air Canada
Find Deal
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
12:55 pm - 7:25 pmCGN-IAD
12h 30m1 stop
Multiple Airlines Logo
9:45 am - 12:10 pmIAD-CGN
21h 25m2 stops
$589Multiple Airlines
Find Deal
Mon, Oct 20 - Tue, Oct 28
Multiple Airlines Logo
8:05 pm - 7:25 pmCGN-IAD
29h 20m1 stop
Multiple Airlines Logo
10:20 am - 3:35 pmIAD-CGN
23h 15m2 stops
$595Multiple Airlines
Find Deal
Sun, Oct 12 - Sun, Oct 19
United Airlines Logo
9:10 am - 9:23 pmCGN-IAD
17h 13m2 stops
United Airlines Logo
10:00 pm - 5:10 pmIAD-CGN
13h 10m2 stops
$611United Airlines
Find Deal
Sun, Oct 26 - Sun, Nov 2
Air Canada Logo
6:35 pm - 9:05 pmCGN-IAD
32h 30m2 stops
Air Canada Logo
3:36 pm - 11:10 amIAD-CGN
13h 34m2 stops
$667Air Canada
Find Deal
Fri, Oct 3 - Tue, Oct 7

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
Feb 19
CGN5:05 pmCologne Köln/Bonn
28h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 22
IAD6:20 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
CGN4:30 pmCologne Köln/Bonn
$552
Find similar
British Airways
Feb 19
CGN5:05 pmCologne Köln/Bonn
28h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 22
IAD6:20 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
CGN4:30 pmCologne Köln/Bonn
$555
Find similar
British Airways
Oct 9
CGN9:55 pmCologne Köln/Bonn
25h 16m
2 stops
IAD5:11 pmWashington, D.C. Dulles Intl
Oct 23
IAD5:50 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
CGN1:35 pmCologne Köln/Bonn
$604
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
Oct 20
CGN12:55 pmCologne Köln/Bonn
12h 30m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 28
IAD6:40 pmWashington, D.C. Dulles Intl
19h 15m
1 stop
CGN6:55 pmCologne Köln/Bonn
$575
Find similar
Lufthansa
Oct 3
CGN12:55 pmCologne Köln/Bonn
12h 30m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 7
IAD10:20 pmWashington, D.C. Dulles Intl
15h 00m
1 stop
CGN7:20 pmCologne Köln/Bonn
$576
Find similar
Lufthansa
Oct 12
CGN8:05 pmCologne Köln/Bonn
29h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 19
IAD10:20 pmWashington, D.C. Dulles Intl
18h 50m
1 stop
CGN11:10 pmCologne Köln/Bonn
$584
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 September 17, 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

Thu 2/19

5:05 pm-3:35 pm

1 stop28h 30m

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-4:30 pm

1 stop16h 10m

$552

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

5:05 pm-3:35 pm

1 stop28h 30m

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-4:30 pm

1 stop16h 10m

$555

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 10/20

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Tue 10/28

6:40 pm-6:55 pm

1 stop19h 15m

$575

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 10/3

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Tue 10/7

10:20 pm-7:20 pm

1 stop15h 00m

$576

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 10/26

6:05 am-9:05 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

Sun 11/2

10:55 pm-5:10 pm

1 stop12h 15m

$578

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

6:45 am-8:59 pm

2 stops20h 14m

Washington, D.C. Dulles Intl

Sun 2/22

9:00 am-12:10 pm

2 stops21h 10m

$579

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 10/20

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Tue 10/28

9:45 am-12:10 pm

2 stops21h 25m

$589

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 10/12

8:05 pm-7:25 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Sun 10/19

10:20 am-3:35 pm

2 stops23h 15m

$595

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 10/26

9:10 am-9:23 pm

2 stops17h 13m

Washington, D.C. Dulles Intl

Sun 11/2

10:00 pm-5:10 pm

2 stops13h 10m

$611

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 10/3

6:35 pm-9:05 pm

2 stops32h 30m

Washington, D.C. Dulles Intl

Tue 10/7

3:36 pm-11:10 am

2 stops13h 34m

$667

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 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 July is also cheap. Prices for this month can be found on momondo for an average of $554.

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

Direct flights

None
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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  • 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
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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