Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Cologne from $317

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. to Cologne departing on 8/18. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

British Airways Logo
7:21 pm - 9:00 pmIAD-CGN
19h 39m2 stops
British Airways Logo
9:15 pm - 3:00 pmCGN-IAD
23h 45m2 stops
$564British Airways
Find Deal
mié., sep. 3 - mar., sep. 23
British Airways Logo
2:21 pm - 9:00 pmIAD-CGN
24h 39m2 stops
British Airways Logo
9:15 pm - 3:00 pmCGN-IAD
23h 45m2 stops
$565British Airways
Find Deal
mié., sep. 3 - mar., sep. 23
Logo
6:50 pm - 10:10 pmBWI-CGN
21h 20m2 stops
Logo
9:15 am - 5:40 pmCGN-BWI
14h 25m2 stops
$595
Find Deal
dom., sep. 14 - dom., sep. 21
Turkish Airlines Logo
9:40 pm - 6:10 pmIAD-CGN
14h 30m1 stop
Turkish Airlines Logo
2:50 pm - 7:45 pmCGN-IAD
34h 55m1 stop
$611Turkish Airlines
Find Deal
mar., sep. 30 - mar., oct. 7
Turkish Airlines Logo
1:30 pm - 1:50 pmIAD-CGN
18h 20m1 stop
Turkish Airlines Logo
7:10 pm - 11:45 amCGN-IAD
22h 35m1 stop
$619Turkish Airlines
Find Deal
mié., sep. 3 - jue., sep. 18
Logo
9:45 am - 5:05 pmIAD-CGN
25h 20m2 stops
Logo
8:05 pm - 7:25 pmCGN-IAD
29h 20m1 stop
$627
Find Deal
mié., oct. 8 - mar., oct. 14
Lufthansa Logo
10:20 pm - 5:10 pmIAD-CGN
12h 50m1 stop
Lufthansa Logo
12:55 pm - 7:25 pmCGN-IAD
12h 30m1 stop
$631Lufthansa
Find Deal
mié., sep. 3 - mar., sep. 23
United Airlines Logo
5:16 pm - 12:10 pmIAD-CGN
12h 54m2 stops
United Airlines Logo
12:55 pm - 7:25 pmCGN-IAD
12h 30m1 stop
$637United Airlines
Find Deal
mié., sep. 3 - jue., sep. 18
United Airlines Logo
5:16 pm - 12:10 pmIAD-CGN
12h 54m2 stops
United Airlines Logo
6:05 am - 3:05 pmCGN-IAD
15h 00m1 stop
$638United Airlines
Find Deal
mié., sep. 3 - jue., sep. 18
Lufthansa Logo
11:55 pm - 5:10 pmIAD-CGN
12h 15m1 stop
Lufthansa Logo
1:15 pm - 8:05 pmCGN-IAD
12h 50m1 stop
$653Lufthansa
Find Deal
dom., oct. 26 - dom., nov. 2

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

Our best American Airlines deals on Washington, D.C. to Cologne flight tickets
American Airlines
Aug 24
BWI9:35 pmBaltimore/Washington
16h 50m
1 stop
CGN8:25 pmCologne Köln/Bonn
Sep 6
CGN10:20 amCologne Köln/Bonn
17h 58m
2 stops
BWI10:18 pmBaltimore/Washington
$779
Find similar
American Airlines
Aug 24
BWI7:45 pmBaltimore/Washington
18h 40m
2 stops
CGN8:25 pmCologne Köln/Bonn
Sep 6
CGN10:20 amCologne Köln/Bonn
17h 58m
2 stops
BWI10:18 pmBaltimore/Washington
$783
Find similar
American Airlines
Sep 29
BWI9:35 pmBaltimore/Washington
10h 45m
1 stop
CGN2:20 pmCologne Köln/Bonn
Oct 10
CGN2:20 pmCologne Köln/Bonn
11h 25m
1 stop
BWI7:45 pmBaltimore/Washington
$800
Find similar

British Airways flights from Washington, D.C. to Cologne

Our best British Airways deals on Washington, D.C. to Cologne flight tickets
British Airways
Sep 3
IAD7:21 pmWashington, D.C. Dulles Intl
19h 39m
2 stops
CGN9:00 pmCologne Köln/Bonn
Sep 23
CGN9:15 pmCologne Köln/Bonn
23h 45m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl
$564
Find similar
British Airways
Sep 3
IAD2:21 pmWashington, D.C. Dulles Intl
24h 39m
2 stops
CGN9:00 pmCologne Köln/Bonn
Sep 23
CGN9:15 pmCologne Köln/Bonn
23h 45m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl
$565
Find similar
British Airways
Sep 3
IAD7:21 pmWashington, D.C. Dulles Intl
19h 39m
2 stops
CGN9:00 pmCologne Köln/Bonn
Sep 23
CGN9:15 pmCologne Köln/Bonn
23h 45m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl
$567
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 julio 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 9/3

7:21 pm-9:00 pm

2 stops19h 39m

Cologne Köln/Bonn

mar. 9/23

9:15 pm-3:00 pm

2 stops23h 45m

$564

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 9/3

2:21 pm-9:00 pm

2 stops24h 39m

Cologne Köln/Bonn

mar. 9/23

9:15 pm-3:00 pm

2 stops23h 45m

$565

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

dom. 9/14

6:50 pm-10:10 pm

2 stops21h 20m

Cologne Köln/Bonn

dom. 9/21

9:15 am-5:40 pm

2 stops14h 25m

$595

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mar. 9/30

9:40 pm-6:10 pm

1 stop14h 30m

Cologne Köln/Bonn

mar. 10/7

2:50 pm-7:45 pm

1 stop34h 55m

$611

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 9/3

1:30 pm-1:50 pm

1 stop18h 20m

Cologne Köln/Bonn

jue. 9/18

7:10 pm-11:45 am

1 stop22h 35m

$619

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 10/8

9:45 am-5:05 pm

2 stops25h 20m

Cologne Köln/Bonn

mar. 10/14

8:05 pm-7:25 pm

1 stop29h 20m

$627

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 9/3

10:20 pm-5:10 pm

1 stop12h 50m

Cologne Köln/Bonn

mar. 9/23

12:55 pm-7:25 pm

1 stop12h 30m

$631

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 9/3

5:16 pm-12:10 pm

2 stops12h 54m

Cologne Köln/Bonn

jue. 9/18

12:55 pm-7:25 pm

1 stop12h 30m

$637

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

mié. 9/3

5:16 pm-12:10 pm

2 stops12h 54m

Cologne Köln/Bonn

jue. 9/18

6:05 am-3:05 pm

1 stop15h 00m

$638

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

dom. 10/26

11:55 pm-5:10 pm

1 stop12h 15m

Cologne Köln/Bonn

dom. 11/2

1:15 pm-8:05 pm

1 stop12h 50m

$653

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cologne from

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

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 typical price of a round-trip flight between Washington, D.C. and Cologne?

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from Washington, D.C. is in February. Flight prices, which tend to average around $639, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of February, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $721.

What is the cheapest day to depart on your flight to Cologne?

The cheapest day to depart from Washington, D.C. to Cologne is on a Saturday when prices can be found for as low as $773. On the other hand, Thursday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,064.

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is in the evening when flights can be purchased for as low as $912. In the afternoon is when there is more demand to fly to Cologne, so prices are often more expensive at around $967 per ticket.

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

You could potentially save up to 33% on your flight if you consider stops on a Washington, D.C. to Cologne flight.

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

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

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

Best Price Found

$317

Fastest flight time

10h 00m

Direct flights

None

Airports in Cologne

1 airport
The best one-way flight to Cologne from Washington, D.C. in the past 72 hours is $317. The best round-trip flight deal from Washington, D.C. to Cologne found on momondo in the last 72 hours is $564.
The fastest flight from Washington, D.C. to Cologne takes 10h 00m
There are no direct flights from Washington, D.C. to Cologne. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Cologne Köln/Bonn Airport, Washington, D.C. Dulles Intl Airport - Cologne Köln/Bonn Airport and Baltimore/Washington Airport - Cologne Köln/Bonn Airport.
There is 1 airport near Cologne: Cologne Köln/Bonn (CGN)
Search flight deals

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

    Washington, D.C. and Cologne Köln/Bonn are 3962.0 mi apart from one another. 10h 00m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Cologne Köln/Bonn Airport.

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

    The travel and health documents you'll need for your trip to Cologne Köln/Bonn 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 Cologne Köln/Bonn Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Washington, D.C. to Cologne

Compare and see reviews for airlines that fly from Washington, D.C. to Cologne with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $584Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
British AirwaysPriceFrom $621Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
United AirlinesPriceFrom $811Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Yes. All flights to Cologne from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington, D.C. to Cologne 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 Washington, D.C. to Cologne right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Cologne 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.

An easier way to manage your Cologne trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 8/5
mar. 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Germany