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Cheap flights from Cologne to Washington, D.C. from $434

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 9/23. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 2:00 pm
CGN
-
IAD
23h 20m
1 stop
Multiple Airlines Logo
10:20 pm - 7:30 pm
IAD
-
CGN
15h 10m
1 stop
$695Multiple Airlines
Wed, Sep 23 - Wed, Oct 7
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
Lufthansa Logo
5:35 pm - 7:30 pm
IAD
-
CGN
19h 55m
1 stop
$696Lufthansa
Sat, Sep 26 - Thu, Oct 8
Lufthansa Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
Lufthansa Logo
10:20 pm - 5:20 pm
IAD
-
CGN
13h 00m
1 stop
$705Lufthansa
Wed, Sep 23 - Wed, Oct 7
Lufthansa Logo
8:30 am - 7:25 pm
CGN
-
IAD
16h 55m
1 stop
Lufthansa Logo
5:25 pm - 7:30 pm
IAD
-
CGN
20h 05m
2 stops
$707Lufthansa
Thu, Jun 25 - Mon, Jun 29
United Airlines Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
United Airlines Logo
10:20 pm - 5:40 pm
IAD
-
CGN
13h 20m
1 stop
$713United Airlines
Sat, Sep 26 - Fri, Oct 9
United Airlines Logo
1:05 pm - 7:25 pm
CGN
-
IAD
12h 20m
1 stop
United Airlines Logo
10:20 pm - 5:20 pm
IAD
-
CGN
13h 00m
1 stop
$715United Airlines
Wed, Sep 2 - Sun, Sep 6
United Airlines Logo
1:05 pm - 8:58 pm
CGN
-
IAD
13h 53m
2 stops
United Airlines Logo
4:02 pm - 12:25 pm
IAD
-
CGN
14h 23m
2 stops
$719United Airlines
Sat, Sep 26 - Thu, Oct 8
United Airlines Logo
1:35 pm - 12:38 am
CGN
-
BWI
16h 03m
2 stops
United Airlines Logo
6:17 am - 5:15 pm
BWI
-
CGN
28h 58m
2 stops
$719United Airlines
Thu, Oct 29 - Mon, Nov 2
Air Canada Logo
6:20 am - 10:18 am
CGN
-
DCA
33h 58m
2 stops
Air Canada Logo
4:20 pm - 5:20 pm
DCA
-
CGN
19h 00m
2 stops
$763Air Canada
Thu, Jun 25 - Mon, Jun 29
Air Canada Logo
1:05 pm - 9:50 pm
CGN
-
DCA
14h 45m
2 stops
Air Canada Logo
4:20 pm - 12:25 pm
DCA
-
CGN
14h 05m
2 stops
$768Air Canada
Wed, Sep 23 - Wed, Oct 7

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Lufthansa flights from Cologne to Washington, D.C.

Our best Lufthansa deals on Cologne to Washington, D.C. flight tickets
Lufthansa
Sep 26
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 8
IAD5:35 pmWashington, D.C. Dulles Intl
19h 55m
1 stop
CGN7:30 pmCologne Köln/Bonn
$696
Lufthansa
Sep 23
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 7
IAD10:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN5:20 pmCologne Köln/Bonn
$705
Lufthansa
Jun 25
CGN8:30 amCologne Köln/Bonn
16h 55m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Jun 29
IAD5:25 pmWashington, D.C. Dulles Intl
20h 05m
2 stops
CGN7:30 pmCologne Köln/Bonn
$707

United Airlines flights from Cologne to Washington, D.C.

Our best United Airlines deals on Cologne to Washington, D.C. flight tickets
United Airlines
Sep 26
CGN8:30 amCologne Köln/Bonn
16h 55m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 8
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
CGN5:40 pmCologne Köln/Bonn
$713
United Airlines
Sep 2
CGN1:05 pmCologne Köln/Bonn
12h 20m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Sep 6
IAD10:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
CGN5:20 pmCologne Köln/Bonn
$715
United Airlines
Sep 26
CGN1:05 pmCologne Köln/Bonn
13h 53m
2 stops
IAD8:58 pmWashington, D.C. Dulles Intl
Oct 5
IAD5:35 pmWashington, D.C. Dulles Intl
12h 50m
1 stop
CGN12:25 pmCologne Köln/Bonn
$719

momondo Fare Finder

 
Customize your flight search to find flights from Cologne to Washington, D.C. 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 June 15, 2026.
Use the filters below to find and compare flights from Cologne to Washington, D.C. 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

Wed 9/23

8:40 pm-2:00 pm

1 stop23h 20m

Washington, D.C. Dulles Intl

Wed 10/7

10:20 pm-7:30 pm

1 stop15h 10m

$695

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 9/26

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Thu 10/8

5:35 pm-7:30 pm

1 stop19h 55m

$696
Quickest round-trip

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 9/23

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Wed 10/7

10:20 pm-5:20 pm

1 stop13h 00m

$705

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 6/25

8:30 am-7:25 pm

1 stop16h 55m

Washington, D.C. Dulles Intl

Mon 6/29

5:25 pm-7:30 pm

2 stops20h 05m

$707

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 9/26

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Fri 10/9

10:20 pm-5:40 pm

1 stop13h 20m

$713

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 9/2

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Sun 9/6

10:20 pm-5:20 pm

1 stop13h 00m

$715

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 9/26

1:05 pm-8:58 pm

2 stops13h 53m

Washington, D.C. Dulles Intl

Thu 10/8

4:02 pm-12:25 pm

2 stops14h 23m

$719

CologneBaltimore

CGN - BWI

CGNBWI

Cologne Köln/Bonn

Thu 10/29

1:35 pm-12:38 am

2 stops16h 03m

Baltimore/Washington

Mon 11/2

6:17 am-5:15 pm

2 stops28h 58m

$719

CologneWashington, D.C.

CGN - DCA

CGNDCA

Cologne Köln/Bonn

Thu 6/25

6:20 am-10:18 am

2 stops33h 58m

Washington, D.C. Reagan-National

Mon 6/29

4:20 pm-5:20 pm

2 stops19h 00m

$763

CologneWashington, D.C.

CGN - DCA

CGNDCA

Cologne Köln/Bonn

Wed 9/23

1:05 pm-9:50 pm

2 stops14h 45m

Washington, D.C. Reagan-National

Wed 10/7

4:20 pm-12:25 pm

2 stops14h 05m

$768

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.

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.?

The month of June is, on average, the cheapest month to fly to Washington, D.C. from Cologne, with most prices found around $0. If you’re not able to fly to Washington, D.C. in June, then September is your next best option. Flight prices from Cologne to Washington, D.C. during September average around $512.

When to book flights from Cologne to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Cologne to Washington, D.C. 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. (CGN to WAS) flight deals and tips

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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Cologne to Washington, D.C. takes 12h 20m
There are no direct flights from Cologne to Washington, D.C.. There are no popular flight routes from Cologne to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Cologne to Washington, D.C.

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

    The straight-line distance from Cologne Köln/Bonn to Washington, D.C. is 3962.0 mi. Flights usually cover this in 12h 20m, depending on flying conditions and air traffic around both airports.

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

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

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

    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..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. 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.. 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
Waldorf
Woodbridge
Laurel
Fredericksburg
Gaithersburg
Colonial Beach
Rockville
Linthicum Heights
Silver Spring
Towson
Manassas
Tysons
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cologne to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Cologne to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search for Cologne to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 can track prices for Cologne to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport