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Cheap flights from Cologne to Washington, D.C. from $478

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 12/24. 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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Multiple Airlines Logo
8:20 pm - 2:40 pmCGN-IAD
24h 20m1 stop
Multiple Airlines Logo
10:55 pm - 7:35 pmIAD-CGN
14h 40m1 stop
$568Multiple Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 23
Air Canada Logo
6:45 am - 8:59 pmCGN-IAD
20h 14m2 stops
Air Canada Logo
1:20 pm - 10:25 pmIAD-CGN
27h 05m2 stops
$582Air Canada
Find Deal
Thu, Dec 4 - Tue, Dec 9
Lufthansa Logo
1:20 pm - 8:05 pmCGN-IAD
12h 45m1 stop
Lufthansa Logo
10:55 pm - 5:10 pmIAD-CGN
12h 15m1 stop
$584Lufthansa
Find Deal
Fri, Nov 14 - Sun, Nov 23
Lufthansa Logo
1:20 pm - 8:05 pmCGN-IAD
12h 45m1 stop
Lufthansa Logo
10:55 pm - 7:35 pmIAD-CGN
14h 40m1 stop
$585Lufthansa
Find Deal
Fri, Nov 14 - Sun, Nov 23
Air Canada Logo
6:45 am - 9:20 pmCGN-IAD
20h 35m2 stops
Air Canada Logo
9:45 am - 10:25 pmIAD-CGN
30h 40m2 stops
$588Air Canada
Find Deal
Fri, Dec 5 - Tue, Dec 9
Multiple Airlines Logo
5:55 pm - 3:35 pmCGN-IAD
27h 40m1 stop
Multiple Airlines Logo
9:00 am - 12:10 pmIAD-CGN
21h 10m2 stops
$591Multiple Airlines
Find Deal
Mon, Feb 2 - Thu, Feb 19
Austrian Airlines Logo
8:20 pm - 2:40 pmCGN-IAD
24h 20m1 stop
Austrian Airlines Logo
6:00 pm - 8:55 amIAD-CGN
32h 55m1 stop
$592Austrian Airlines
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Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
9:10 am - 8:05 pmCGN-IAD
16h 55m1 stop
United Airlines Logo
10:55 pm - 5:10 pmIAD-CGN
12h 15m1 stop
$632United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 23
United Airlines Logo
1:35 pm - 8:05 pmCGN-IAD
12h 30m1 stop
United Airlines Logo
5:45 pm - 12:50 pmIAD-CGN
13h 05m2 stops
$660United Airlines
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Thu, Dec 4 - Wed, Dec 10
Austrian Airlines Logo
8:20 pm - 2:40 pmCGN-IAD
24h 20m1 stop
Austrian Airlines Logo
6:00 pm - 7:35 pmIAD-CGN
19h 35m1 stop
$898Austrian Airlines
Find Deal
Sun, Dec 21 - Tue, Jan 6

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
Dec 4
CGN6:45 amCologne Köln/Bonn
20h 14m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
Dec 9
IAD1:20 pmWashington, D.C. Dulles Intl
27h 05m
2 stops
CGN10:25 pmCologne Köln/Bonn
$582
Find similar
Air Canada
Dec 5
CGN6:45 amCologne Köln/Bonn
20h 35m
2 stops
IAD9:20 pmWashington, D.C. Dulles Intl
Dec 9
IAD9:45 amWashington, D.C. Dulles Intl
30h 40m
2 stops
CGN10:25 pmCologne Köln/Bonn
$588
Find similar
Air Canada
Nov 14
CGN8:40 amCologne Köln/Bonn
17h 46m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Nov 23
IAD9:45 amWashington, D.C. Dulles Intl
30h 40m
2 stops
CGN10:25 pmCologne Köln/Bonn
$596
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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
Nov 14
CGN1:20 pmCologne Köln/Bonn
12h 45m
1 stop
IAD8:05 pmWashington, D.C. Dulles Intl
Nov 23
IAD10:55 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
CGN5:10 pmCologne Köln/Bonn
$584
Find similar
Lufthansa
Nov 14
CGN1:20 pmCologne Köln/Bonn
12h 45m
1 stop
IAD8:05 pmWashington, D.C. Dulles Intl
Nov 23
IAD10:55 pmWashington, D.C. Dulles Intl
14h 40m
1 stop
CGN7:35 pmCologne Köln/Bonn
$585
Find similar
Lufthansa
Dec 22
CGN8:20 pmCologne Köln/Bonn
25h 30m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Jan 4
IAD6:20 pmWashington, D.C. Dulles Intl
12h 15m
2 stops
CGN12:35 pmCologne Köln/Bonn
$932
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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 November 3, 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

Fri 11/14

8:20 pm-2:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-7:35 pm

1 stop14h 40m

$568

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 12/4

6:45 am-8:59 pm

2 stops20h 14m

Washington, D.C. Dulles Intl

Tue 12/9

1:20 pm-10:25 pm

2 stops27h 05m

$582

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 11/14

1:20 pm-8:05 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-5:10 pm

1 stop12h 15m

$584

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 11/14

1:20 pm-8:05 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-7:35 pm

1 stop14h 40m

$585

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 12/5

6:45 am-9:20 pm

2 stops20h 35m

Washington, D.C. Dulles Intl

Tue 12/9

9:45 am-10:25 pm

2 stops30h 40m

$588

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 2/2

5:55 pm-3:35 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Thu 2/19

9:00 am-12:10 pm

2 stops21h 10m

$591

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

8:20 pm-2:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 2/22

6:00 pm-8:55 am

1 stop32h 55m

$592

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 11/14

9:10 am-8:05 pm

1 stop16h 55m

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-5:10 pm

1 stop12h 15m

$632

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 12/4

1:35 pm-8:05 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Wed 12/10

5:45 pm-12:50 pm

2 stops13h 05m

$660

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 12/21

8:20 pm-2:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 1/6

6:00 pm-7:35 pm

1 stop19h 35m

$898

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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 September is also cheap. Prices for this month can be found on momondo for an average of $501.

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 25m 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

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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