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Cheap flights from Washington, D.C. Dulles Intl Airport to Cologne from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Cologne departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 9:05 pm
IAD
-
CGN
18h 35m
2 stops
Multiple Airlines Logo
11:15 pm - 9:24 pm
CGN
-
IAD
28h 09m
3 stops
$712Multiple Airlines
Tue, Aug 18 - Tue, Sep 1
Multiple Airlines Logo
11:20 pm - 9:05 pm
IAD
-
CGN
15h 45m
2 stops
Multiple Airlines Logo
7:10 am - 8:35 pm
CGN
-
IAD
19h 25m
2 stops
$789Multiple Airlines
Tue, Aug 18 - Tue, Sep 1
Multiple Airlines Logo
8:30 pm - 10:40 pm
IAD
-
CGN
20h 10m
2 stops
Multiple Airlines Logo
10:50 pm - 8:35 pm
CGN
-
IAD
27h 45m
2 stops
$830Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
8:30 pm - 11:20 pm
IAD
-
CGN
20h 50m
2 stops
Multiple Airlines Logo
6:15 pm - 8:24 pm
CGN
-
IAD
32h 09m
3 stops
$843Multiple Airlines
Sun, Aug 23 - Mon, Aug 31
Multiple Airlines Logo
8:30 pm - 11:20 pm
IAD
-
CGN
20h 50m
2 stops
Multiple Airlines Logo
6:10 pm - 8:35 pm
CGN
-
IAD
32h 25m
2 stops
$846Multiple Airlines
Sun, Aug 23 - Mon, Aug 31
Multiple Airlines Logo
8:30 pm - 10:20 pm
IAD
-
CGN
19h 50m
2 stops
Multiple Airlines Logo
4:55 pm - 8:35 pm
CGN
-
IAD
33h 40m
2 stops
$849Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
8:30 pm - 10:40 pm
IAD
-
CGN
20h 10m
2 stops
Multiple Airlines Logo
4:55 pm - 3:10 pm
CGN
-
IAD
28h 15m
2 stops
$850Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
8:30 pm - 10:20 pm
IAD
-
CGN
19h 50m
2 stops
Multiple Airlines Logo
10:50 pm - 8:35 pm
CGN
-
IAD
27h 45m
2 stops
$865Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
9:45 am - 5:20 pm
IAD
-
CGN
25h 35m
2 stops
Multiple Airlines Logo
8:30 am - 7:25 pm
CGN
-
IAD
16h 55m
1 stop
$880Multiple Airlines
Tue, Aug 18 - Tue, Sep 1
Lufthansa Logo
10:20 pm - 5:20 pm
IAD
-
CGN
13h 00m
1 stop
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
$881Lufthansa
Tue, Aug 18 - Tue, Sep 1

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

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Cologne flight tickets
Lufthansa
Aug 18
IAD10:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN5:20 pmCologne Köln/Bonn
Sep 1
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$881
Lufthansa
Aug 3
IAD10:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN5:20 pmCologne Köln/Bonn
Aug 19
CGN8:10 pmCologne Köln/Bonn
29h 15m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$901
Lufthansa
Aug 3
IAD10:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN5:20 pmCologne Köln/Bonn
Aug 19
CGN8:10 pmCologne Köln/Bonn
29h 15m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$902

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

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Cologne flight tickets
Turkish Airlines
Sep 21
IAD9:45 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
CGN6:10 pmCologne Köln/Bonn
Sep 30
CGN7:10 pmCologne Köln/Bonn
22h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$889
Turkish Airlines
Oct 8
IAD9:45 pmWashington, D.C. Dulles Intl
34h 05m
1 stop
CGN1:50 pmCologne Köln/Bonn
Oct 12
CGN10:25 amCologne Köln/Bonn
15h 25m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$892
Turkish Airlines
Sep 12
IAD9:45 pmWashington, D.C. Dulles Intl
29h 40m
1 stop
CGN9:25 amCologne Köln/Bonn
Sep 15
CGN10:25 amCologne Köln/Bonn
31h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$929

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Cologne 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 July 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/18

8:30 pm-9:05 pm

2 stops18h 35m

Cologne Köln/Bonn

Tue 9/1

11:15 pm-9:24 pm

3 stops28h 09m

$712

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/18

11:20 pm-9:05 pm

2 stops15h 45m

Cologne Köln/Bonn

Tue 9/1

7:10 am-8:35 pm

2 stops19h 25m

$789

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 9/21

8:30 pm-10:40 pm

2 stops20h 10m

Cologne Köln/Bonn

Wed 9/30

10:50 pm-8:35 pm

2 stops27h 45m

$830

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 8/23

8:30 pm-11:20 pm

2 stops20h 50m

Cologne Köln/Bonn

Mon 8/31

6:15 pm-8:24 pm

3 stops32h 09m

$843

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 8/23

8:30 pm-11:20 pm

2 stops20h 50m

Cologne Köln/Bonn

Mon 8/31

6:10 pm-8:35 pm

2 stops32h 25m

$846

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 8/3

8:30 pm-10:20 pm

2 stops19h 50m

Cologne Köln/Bonn

Wed 8/19

4:55 pm-8:35 pm

2 stops33h 40m

$849

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 8/3

8:30 pm-10:40 pm

2 stops20h 10m

Cologne Köln/Bonn

Wed 8/19

4:55 pm-3:10 pm

2 stops28h 15m

$850

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 8/3

8:30 pm-10:20 pm

2 stops19h 50m

Cologne Köln/Bonn

Wed 8/19

10:50 pm-8:35 pm

2 stops27h 45m

$865

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/18

9:45 am-5:20 pm

2 stops25h 35m

Cologne Köln/Bonn

Tue 9/1

8:30 am-7:25 pm

1 stop16h 55m

$880
Quickest round-trip

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 8/18

10:20 pm-5:20 pm

1 stop13h 00m

Cologne Köln/Bonn

Tue 9/1

1:05 pm-7:25 pm

1 stop12h 20m

$881

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Cologne

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Can stopping save me money on Washington, D.C. Dulles Intl Airport to Cologne flights?

You could potentially save up to 61% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Cologne flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Cologne according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Cologne (IAD to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Cologne

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Cologne takes 12h 20m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cologne. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cologne.
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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Cologne

  • How far is Washington, D.C. Dulles Intl to Cologne Köln/Bonn by plane?

    A flight from Washington, D.C. Dulles Intl to Cologne Köln/Bonn will travel around 3976.6 mi. Typically, this will take 12h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cologne Köln/Bonn Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Cologne Köln/Bonn Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Cologne Köln/Bonn Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cologne Köln/Bonn Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Cologne Köln/Bonn Airport.

  • What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

    The necessary travel and health documents for your Cologne Köln/Bonn Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Cologne?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Cologne

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Cologne with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $681Free CancellationRating
6.8
8,122 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cologne?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cologne from Washington, D.C..

Can I find flights from Washington, D.C. to Cologne with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cologne from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Cologne?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Cologne.

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Of course. momondo tracks the price of Washington, D.C. to Cologne flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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