How long is the flight from Cologne to Washington, D.C. Dulles Intl Airport?

There are many flights that can get you from Cologne to Washington, D.C. Dulles Intl Airport in 12h 20m. Fly via United Airlines to get the fastest option. There are 3986 mi between Cologne and Washington, D.C. Dulles Intl Airport.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from CGN to IAD?

When flying from Cologne to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Cologne-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cologne-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cologne-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Cologne-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cologne-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Cologne to Washington, D.C. Dulles Intl?

Cologne Köln/Bonn (CGN) is the airport you will fly out of if you book a flight from Cologne to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Köln/Bonn; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Cologne airport to Washington, D.C. Dulles Intl. It is only a 9.5 mi journey to Köln/Bonn (CGN) from Cologne’s city center.

Can I find deals for flights from Cologne to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Cologne to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Cologne to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cologne to Dulles Intl.

Can I find deals for business class flights from Cologne to Dulles Intl?

Yes. Cheapflights offers flight deals from Cologne to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$496+ Cheap Flights from Cologne to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Cologne to Dulles Intl

Cheapest

Best

Last-minute

One-way

Cheapest flights from Cologne to Dulles Intl
Explore the most affordable flight options available from Cologne to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.

Wed 11/48:20 pm -

1 stop23h 50m

Sat 11/145:35 pm -

1 stop20h 00m

Deal found 8/28

$700

Sun 11/89:20 am -

1 stop16h 45m

Sun 11/2210:55 pm -

1 stop12h 00m

Deal found 8/30

$704

Thu 10/11:05 pm -

1 stop12h 20m

Mon 10/55:45 pm -

1 stop20h 10m

Deal found 8/31

$708

Thu 9/106:20 am -

2 stops18h 40m

Mon 9/1410:20 pm -

1 stop13h 00m

Deal found 8/31

$713

Thu 9/108:10 pm -

1 stop29h 15m

Mon 9/1410:20 pm -

1 stop15h 10m

Deal found 8/31

$715

Sat 9/191:05 pm -

1 stop12h 20m

Tue 9/295:15 pm -

2 stops13h 10m

Deal found 8/29

$722

Fri 10/301:10 pm -

1 stop12h 55m

Mon 11/95:15 pm -

2 stops13h 35m

Deal found 8/27

$724

Best flights from Cologne to Dulles Intl
Discover carefully curated flight deals from Cologne to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.

Fri 1/159:20 am -

1 stop12h 15m

Sun 1/178:15 am -

2 stops26h 40m

Deal found 8/27

$724

Thu 10/11:05 pm -

1 stop12h 20m

Mon 10/510:05 pm -

2 stops15h 50m

Deal found 8/31

$727

Sun 9/208:10 pm -

1 stop25h 00m

Tue 9/295:15 pm -

2 stops18h 05m

Deal found 8/29

$732

Sat 9/191:05 pm -

2 stops14h 03m

Tue 9/295:15 pm -

2 stops13h 10m

Deal found 8/29

$727

Tue 10/61:05 pm -

1 stop12h 20m

Sat 1/910:19 pm -

2 stops32h 06m

Deal found 8/30

$771

Fri 10/307:00 am -

2 stops17h 30m

Mon 11/97:40 pm -

3 stops30h 55m

Deal found 8/27

$800

Mon 1/49:20 am -

2 stops16h 50m

Fri 6/183:25 pm -

2 stops20h 15m

Deal found 8/27

$853

Thu 2/116:50 am -

1 stop14h 40m

Sun 2/145:25 pm -

1 stop10h 15m

Deal found 8/31

$887

Last-minute flights from Cologne to Dulles Intl
Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated September 1, 2026 and is based on user searches.

Thu 9/106:20 am -

2 stops18h 40m

Mon 9/1410:20 pm -

1 stop13h 00m

Deal found 8/31

$713

Thu 9/108:10 pm -

1 stop29h 15m

Mon 9/1410:20 pm -

1 stop15h 10m

Deal found 8/31

$715

Sat 9/191:05 pm -

1 stop12h 20m

Tue 9/295:15 pm -

2 stops13h 10m

Deal found 8/29

$722

Sun 9/208:10 pm -

1 stop25h 00m

Tue 9/295:15 pm -

2 stops18h 05m

Deal found 8/29

$732

Sun 9/208:30 am -

2 stops13h 35m

Tue 9/295:15 pm -

2 stops13h 10m

Deal found 8/29

$734

Sun 9/278:50 pm -

1 stop23h 10m

Sun 10/410:20 pm -

1 stop15h 10m

Deal found 8/28

$745

Find flight deals from Cologne to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$700 (Expedia)
One-way from	$496 (Expedia)
Popular in	July
Cheapest in	March

Provider with most accurate pricing for Cologne Köln/Bonn-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Washington, D.C. Dulles Intl flights.

Search Deals

From Cologne Köln/Bonn to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Cologne Köln/Bonn to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($171 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Cheapflights Fare Finder

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

Cheapest round-trip

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Fri 1/15

9:20 am-3:35 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 1/17

8:15 am-4:55 pm

2 stops26h 40m

$724

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Thu 10/1

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 10/5

10:05 pm-7:55 pm

2 stops15h 50m

$727

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Sat 9/19

1:05 pm-9:08 pm

2 stops14h 03m

Washington, D.C. Dulles Intl

Tue 9/29

5:15 pm-12:25 pm

2 stops13h 10m

$727

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Sun 9/20

8:10 pm-3:10 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Tue 9/29

5:15 pm-5:20 pm

2 stops18h 05m

$732

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Tue 10/6

1:05 pm-7:25 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Sat 1/9

10:19 pm-12:25 pm

2 stops32h 06m

$771

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Fri 10/30

7:00 am-7:30 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Mon 11/9

7:40 pm-8:35 am

3 stops30h 55m

$800

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Mon 1/4

9:20 am-8:10 pm

2 stops16h 50m

Washington, D.C. Dulles Intl

Fri 6/18

3:25 pm-5:40 pm

2 stops20h 15m

$853

Quickest round-trip

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Thu 2/11

6:50 am-3:30 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Sun 2/14

5:25 pm-9:40 am

1 stop10h 15m

$887

Cheapest one-way

Quickest one-way

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Mon 11/30

9:00 pm-3:40 pm

1 stop24h 40m

$496

CologneWashington, D.C.

CGN Cologne Köln/Bonn - IAD Washington, D.C. Dulles Intl

CGNIAD

Cologne Köln/Bonn

Sun 9/20

9:30 pm-3:10 pm

3 stops47h 40m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/30

Showing 1-10 of 11 resultsSorted by cheapest first

Compare providers for flights from Cologne to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cologne to Dulles Intl in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Cologne-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cologne-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cologne-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Cologne-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cologne-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cologne to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cologne with our price prediction graph.

CGN-IAD

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly from for flights from Cologne to Washington, D.C. Dulles Intl?
Cologne Köln/Bonn (CGN) is the airport you will fly out of if you book a flight from Cologne to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Köln/Bonn; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Cologne airport to Washington, D.C. Dulles Intl. It is only a 9.5 mi journey to Köln/Bonn (CGN) from Cologne’s city center.
How long is the flight from Cologne to Washington, D.C. Dulles Intl Airport?
There are many flights that can get you from Cologne to Washington, D.C. Dulles Intl Airport in 12h 20m. Fly via United Airlines to get the fastest option. There are 3986 mi between Cologne and Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Cologne to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Cologne to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cologne to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cologne to Dulles Intl.
Can I find deals for business class flights from Cologne to Dulles Intl?
Yes. Cheapflights offers flight deals from Cologne to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$496+ Cheap flights from Cologne (CGN) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cologne to Dulles Intl with Cheapflights

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Cheap flight deals from Cologne to Dulles Intl

Cheapest flights from Cologne to Dulles IntlExplore the most affordable flight options available from Cologne to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.

Explore the most affordable flight options available from Cologne to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.

Best flights from Cologne to Dulles IntlDiscover carefully curated flight deals from Cologne to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.

Discover carefully curated flight deals from Cologne to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.

Last-minute flights from Cologne to Dulles IntlDiscover last-minute flight deals from Cologne to Dulles Intl. Data last updated September 1, 2026 and is based on user searches.

Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated September 1, 2026 and is based on user searches.

One-way flights from Cologne to Dulles IntlSearch for one-way flight options from Cologne to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.

Search for one-way flight options from Cologne to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.

Find flight deals from Cologne to Dulles Intl

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Use the filters below to find and compare flights from Cologne to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Cologne to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cologne to Dulles Intl in September.

Best time to book a flight from Cologne to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cologne with our price prediction graph.

Related info for your journey

What airport do you fly from for flights from Cologne to Washington, D.C. Dulles Intl?

How long is the flight from Cologne to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Cologne to Dulles Intl that include hotel bookings?

How can I find direct flights from Cologne to Dulles Intl?

Can I find deals for business class flights from Cologne to Dulles Intl?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.

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Find flights from Cologne to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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Cheapest flights from Cologne to Dulles Intl
Explore the most affordable flight options available from Cologne to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.

Best flights from Cologne to Dulles Intl
Discover carefully curated flight deals from Cologne to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.

Last-minute flights from Cologne to Dulles Intl
Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated September 1, 2026 and is based on user searches.

One-way flights from Cologne to Dulles Intl
Search for one-way flight options from Cologne to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.