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 19h 20m. Fly via Air Canada, Austrian Airlines, or Lufthansa to get the fastest option. There are 3986 mi between Cologne and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

What is the cheapest day to fly from Cologne to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Cologne to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 month to fly from Cologne to Washington, D.C. Dulles Intl Airport?

February can be a great time to fly to Washington, D.C. Dulles Intl Airport from Cologne with a flight ticket averaging about $672. Cheapflights users have found deals in the month of February for as cheap as $486. The most expensive prices can be found in the month of December.

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

A simple way to save on the total cost of your ticket is to fly from Cologne to Washington, D.C. Dulles Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.

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.

$373+ Cheap Flights from Cologne to Washington, D.C. Dulles Intl Airport

Q: How much does it cost to fly round-trip from Cologne to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. Cologne to Washington, D.C. Dulles Intl Airport flights typically cost between $709 and $1,125 in November. The cheapest round-trip price found within the last 3 days was $531 on Air Canada (Nov 6-Nov 11).

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Cheap flight deals from Cologne to Dulles Intl

Round-trip from	$531 (Flysmarter)
One-way from	$373 (Kiwi.com)
Popular in	December
Cheapest in	April
Average price	$878

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

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

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Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Cologne to Dulles Intl

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 August 28, 2025.

Thu 11/66:45 amCGN - IAD

2 stops20h 14mAir Canada

Tue 11/114:30 pmIAD - CGN

2 stops13h 40mAir Canada

Deal found 8/28

$531

Wed 10/86:05 amCGN - IAD

1 stop19h 20mLufthansa

Wed 10/1510:20 pmIAD - CGN

1 stop12h 50mLufthansa

Deal found 8/28

$537

Sun 9/712:55 pmCGN - IAD

1 stop12h 30mUnited Airlines

Sat 9/1310:20 pmIAD - CGN

1 stop11h 30mUnited Airlines

Deal found 8/27

$539

Thu 9/116:05 amCGN - IAD

1 stop19h 20mLufthansa

Mon 9/1510:20 pmIAD - CGN

1 stop18h 50mLufthansa

Deal found 8/28

$540

Wed 10/86:05 amCGN - IAD

2 stops16h 00mUnited Airlines

Wed 10/1510:20 pmIAD - CGN

1 stop12h 50mUnited Airlines

Deal found 8/28

$544

Thu 11/61:35 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Tue 11/111:20 pmIAD - CGN

2 stops16h 50mMultiple Airlines

Deal found 8/28

$550

Wed 10/16:05 amCGN - IAD

2 stops15h 10mUnited Airlines

Tue 10/145:40 pmIAD - CGN

1 stop12h 35mUnited Airlines

Deal found 8/27

$552

Sat 9/1312:55 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Wed 9/179:35 amIAD - CGN

2 stops19h 35mMultiple Airlines

Deal found 8/28

$554

Wed 10/86:05 amCGN - IAD

2 stops15h 45mMultiple Airlines

Wed 10/159:35 amIAD - CGN

2 stops19h 35mMultiple Airlines

Deal found 8/28

$559

Wed 10/17:40 amCGN - IAD

2 stops19h 25mAir Canada

Tue 10/143:36 pmIAD - CGN

2 stops14h 39mAir Canada

Deal found 8/27

$568

Sun 9/712:55 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Sat 9/135:25 pmIAD - CGN

2 stops12h 50mMultiple Airlines

Deal found 8/27

$590

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 August 28, 2025.

Thu 11/66:45 amCGN - IAD

2 stops20h 14mAir Canada

Tue 11/114:30 pmIAD - CGN

2 stops13h 40mAir Canada

Deal found 8/28

$531

Thu 11/68:20 pmCGN - IAD

1 stop24h 20mAustrian Airlines

Tue 11/116:00 pmIAD - CGN

1 stop19h 35mAustrian Airlines

Deal found 8/28

$537

Wed 10/86:05 amCGN - IAD

1 stop19h 20mLufthansa

Wed 10/1510:20 pmIAD - CGN

1 stop12h 50mLufthansa

Deal found 8/28

$537

Sun 9/712:55 pmCGN - IAD

1 stop12h 30mUnited Airlines

Sat 9/1310:20 pmIAD - CGN

1 stop11h 30mUnited Airlines

Deal found 8/27

$539

Thu 11/61:35 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Tue 11/111:20 pmIAD - CGN

2 stops16h 50mMultiple Airlines

Deal found 8/28

$550

Thu 9/116:05 amCGN - IAD

1 stop15h 00mLufthansa

Mon 9/1510:20 pmIAD - CGN

1 stop18h 50mLufthansa

Deal found 8/27

$539

Wed 10/86:05 amCGN - IAD

2 stops16h 00mUnited Airlines

Wed 10/1510:20 pmIAD - CGN

1 stop12h 50mUnited Airlines

Deal found 8/28

$544

Thu 2/199:10 amCGN - IAD

1 stop12h 25mLufthansa

Sun 2/225:40 pmIAD - CGN

1 stop12h 55mLufthansa

Deal found 8/27

$540

Wed 10/16:05 amCGN - IAD

2 stops15h 10mUnited Airlines

Tue 10/145:40 pmIAD - CGN

1 stop12h 35mUnited Airlines

Deal found 8/27

$552

Wed 10/112:55 pmCGN - IAD

1 stop12h 30mLufthansa

Tue 10/1410:20 pmIAD - CGN

1 stop12h 50mLufthansa

Deal found 8/27

$540

Last-minute flights from Cologne to Dulles Intl
Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated August 28, 2025 and is based on user searches.

Sun 9/712:55 pmCGN - IAD

1 stop12h 30mUnited Airlines

Sat 9/1310:20 pmIAD - CGN

1 stop11h 30mUnited Airlines

Deal found 8/27

$539

Sun 9/712:55 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Sat 9/135:25 pmIAD - CGN

2 stops12h 50mMultiple Airlines

Deal found 8/27

$590

Thu 9/116:05 amCGN - IAD

1 stop19h 20mLufthansa

Mon 9/1510:20 pmIAD - CGN

1 stop18h 50mLufthansa

Deal found 8/28

$540

Thu 9/116:20 amCGN - IAD

1 stop15h 55mUnited Airlines

Mon 9/156:40 pmIAD - CGN

1 stop10h 30mUnited Airlines

Deal found 8/28

$666

Sat 9/1312:55 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Wed 9/179:35 amIAD - CGN

2 stops19h 35mMultiple Airlines

Deal found 8/28

$554

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 August 28, 2025.

Tue 10/148:45 pmCGN - IAD

3 stops48h 35mMultiple Airlines

Deal found 8/27

$373

Mon 10/136:40 pmCGN - IAD

2 stops26h 40mMultiple Airlines

Deal found 8/27

$453

Sun 10/122:10 pmCGN - IAD

3 stops31h 10mMultiple Airlines

Deal found 8/27

$491

Mon 10/1312:55 pmCGN - IAD

1 stop12h 30mLufthansa

Deal found 8/27

$612

Wed 10/296:50 amCGN - IAD

2 stops13h 45mAustrian Airlines

Deal found 8/26

$908

Sun 10/269:10 amCGN - IAD

1 stop12h 25mLufthansa

Deal found 8/27

$1,566

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

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 11/6

6:45 am-8:59 pm

2 stops20h 14m

Washington, D.C. Dulles Intl

Tue 11/11

4:30 pm-12:10 pm

2 stops13h 40m

$531

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 11/6

8:20 pm-2:40 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 11/11

6:00 pm-7:35 pm

1 stop19h 35m

$537

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 10/8

6:05 am-7:25 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

Wed 10/15

10:20 pm-5:10 pm

1 stop12h 50m

$537

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 9/7

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sat 9/13

10:20 pm-3:50 pm

1 stop11h 30m

$539

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 9/11

6:05 am-3:05 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Mon 9/15

10:20 pm-11:10 pm

1 stop18h 50m

$539

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 2/19

9:10 am-3:35 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Sun 2/22

5:40 pm-12:35 pm

1 stop12h 55m

$540

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 10/1

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Tue 10/14

10:20 pm-5:10 pm

1 stop12h 50m

$540

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 10/8

6:05 am-4:05 pm

2 stops16h 00m

Washington, D.C. Dulles Intl

Wed 10/15

10:20 pm-5:10 pm

1 stop12h 50m

$544

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 11/6

1:35 pm-8:05 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Tue 11/11

1:20 pm-12:10 pm

2 stops16h 50m

$550

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 10/1

6:05 am-3:15 pm

2 stops15h 10m

Washington, D.C. Dulles Intl

Tue 10/14

5:40 pm-12:15 pm

1 stop12h 35m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 16 results

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.

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.

Cheapflights Insights

Everything you need to know about your flight from Cologne to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Cologne to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Cologne to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Cologne to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Cologne to Washington, D.C. Dulles Intl Airport?

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 19h 20m. Fly via Air Canada, Austrian Airlines, or Lufthansa to get the fastest option. There are 3986 mi between Cologne and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.
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.
What is the cheapest month to book a flight from Cologne to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Cologne to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Cologne to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$373+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Find 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 August 28, 2025.

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 August 28, 2025.

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.

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.

Cheapflights Insights

Everything you need to know about your flight from Cologne to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Cologne to Washington, D.C. Dulles Intl Airport?

How much does it cost to fly round-trip from Cologne to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Cologne to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from Cologne to Washington, D.C. Dulles Intl Airport?

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

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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 August 28, 2025.