What are the cheapest airlines flying from Cologne to Washington, D.C. Dulles Intl Airport round-trip?

Cheapflights users have booked flights from Cologne to Washington, D.C. Dulles Intl Airport round-trip from $545. Other airlines that can offer you cheap pricing are Austrian Airlines, from $565, and British Airways, from $566. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 22% less than the average price by searching for these airlines.

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.

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 $658. 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 August.

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.

Most accurate provider : When it comes to deals on Cologne-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cologne-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

$382+ Flights from Cologne to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Cologne to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Cologne to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$541 (Expedia)
One-way from	$382 (Priceline)
Popular in	July
Cheapest in	April
Average price	$592

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. 26% potential increase in price ($255 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($52 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 May 23, 2025.

Tue 9/168:25 pmCGN - IAD

1 stop24h 10mMultiple Airlines

Sun 9/2110:20 pmIAD - CGN

1 stop18h 50mMultiple Airlines

Deal found 5/22

$541

Mon 6/26:05 amCGN - IAD

1 stop19h 20mLufthansa

Sun 6/810:20 pmIAD - CGN

1 stop18h 50mLufthansa

Deal found 5/22

$545

Wed 9/178:25 pmCGN - IAD

1 stop24h 10mAustrian Airlines

Tue 9/305:25 pmIAD - CGN

1 stop20h 15mAustrian Airlines

Deal found 5/22

$565

Tue 9/169:15 pmCGN - IAD

1 stop24h 45mBritish Airways

Sun 9/218:19 pmIAD - CGN

2 stops18h 06mBritish Airways

Deal found 5/22

$566

Mon 6/26:05 amCGN - IAD

1 stop15h 15mUnited Airlines

Sun 6/810:20 pmIAD - CGN

1 stop31h 55mUnited Airlines

Deal found 5/22

$629

Mon 6/27:40 amCGN - IAD

2 stops14h 39mAir Canada

Sun 6/82:25 pmIAD - CGN

2 stops14h 45mAir Canada

Deal found 5/22

$801

Sat 9/610:20 amCGN - IAD

1 stop15h 55mAmerican Airlines

Tue 9/95:50 pmIAD - CGN

1 stop21h 35mAmerican Airlines

Deal found 5/22

$3,573

Tue 8/192:50 pmCGN - IAD

1 stop34h 55mTurkish Airlines

Sat 8/239:40 pmIAD - CGN

1 stop34h 10mTurkish Airlines

Deal found 5/21

$3,712

Sat 9/63:10 amCGN - IAD

2 stops56h 00mEgyptair

Tue 9/912:00 pmIAD - CGN

2 stops34h 10mEgyptair

Deal found 5/22

$3,852

Tue 8/196:50 amCGN - IAD

2 stops13h 35mSWISS

Sat 8/2310:15 pmIAD - CGN

2 stops15h 10mSWISS

Deal found 5/21

$4,580

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 May 23, 2025.

Tue 9/168:25 pmCGN - IAD

1 stop24h 10mMultiple Airlines

Sun 9/2110:20 pmIAD - CGN

1 stop18h 50mMultiple Airlines

Deal found 5/22

$541

Mon 6/26:05 amCGN - IAD

1 stop19h 20mLufthansa

Sun 6/810:20 pmIAD - CGN

1 stop18h 50mLufthansa

Deal found 5/22

$545

Wed 9/178:25 pmCGN - IAD

1 stop24h 10mAustrian Airlines

Tue 9/305:25 pmIAD - CGN

1 stop20h 15mAustrian Airlines

Deal found 5/22

$565

Tue 9/169:15 pmCGN - IAD

1 stop24h 45mBritish Airways

Sun 9/218:19 pmIAD - CGN

2 stops18h 06mBritish Airways

Deal found 5/22

$566

Mon 6/26:05 amCGN - IAD

1 stop15h 15mUnited Airlines

Sun 6/810:20 pmIAD - CGN

1 stop31h 55mUnited Airlines

Deal found 5/22

$629

Mon 6/27:40 amCGN - IAD

2 stops14h 39mAir Canada

Sun 6/82:25 pmIAD - CGN

2 stops14h 45mAir Canada

Deal found 5/22

$801

Sat 9/610:20 amCGN - IAD

1 stop15h 55mAmerican Airlines

Tue 9/95:50 pmIAD - CGN

1 stop21h 35mAmerican Airlines

Deal found 5/22

$3,573

Tue 8/192:50 pmCGN - IAD

1 stop34h 55mTurkish Airlines

Sat 8/239:40 pmIAD - CGN

1 stop34h 10mTurkish Airlines

Deal found 5/21

$3,712

Sat 9/63:10 amCGN - IAD

2 stops56h 00mEgyptair

Tue 9/912:00 pmIAD - CGN

2 stops34h 10mEgyptair

Deal found 5/22

$3,852

Tue 8/196:50 amCGN - IAD

2 stops13h 35mSWISS

Sat 8/2310:15 pmIAD - CGN

2 stops15h 10mSWISS

Deal found 5/21

$4,580

Last-minute flights from Cologne to Dulles Intl
Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated May 23, 2025 and is based on user searches.

Mon 6/26:05 amCGN - IAD

1 stop19h 20mLufthansa

Sun 6/810:20 pmIAD - CGN

1 stop18h 50mLufthansa

Deal found 5/22

$545

Mon 6/26:05 amCGN - IAD

1 stop15h 15mUnited Airlines

Sun 6/810:20 pmIAD - CGN

1 stop31h 55mUnited Airlines

Deal found 5/22

$629

Mon 6/27:40 amCGN - IAD

2 stops14h 39mAir Canada

Sun 6/82:25 pmIAD - CGN

2 stops14h 45mAir Canada

Deal found 5/22

$801

Mon 6/26:05 pmCGN - IAD

2 stops27h 15mMultiple Airlines

Sun 6/810:20 pmIAD - CGN

1 stop12h 50mMultiple Airlines

Deal found 5/22

$1,070

Mon 6/26:30 amCGN - IAD

2 stops14h 55mAustrian Airlines

Sun 6/86:05 pmIAD - CGN

2 stops19h 35mAustrian Airlines

Deal found 5/21

$8,130

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 May 23, 2025.

Wed 6/2510:15 pmCGN - IAD

1 stop25h 20mBritish Airways

Deal found 5/22

$382

Wed 6/2512:55 pmCGN - IAD

3 stops37h 15mMultiple Airlines

Deal found 5/22

$388

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

Tue 9/16

8:25 pm-2:35 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Sun 9/21

10:20 pm-11:10 pm

1 stop18h 50m

$541

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 6/2

6:05 am-7:25 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

Sun 6/8

10:20 pm-11:10 pm

1 stop18h 50m

$545

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 9/17

8:25 pm-2:35 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Tue 9/30

5:25 pm-7:40 pm

1 stop20h 15m

$565

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 9/16

9:15 pm-4:00 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Sun 9/21

8:19 pm-8:25 pm

2 stops18h 06m

$566

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 6/2

6:05 am-3:20 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 6/8

10:20 pm-12:15 pm

1 stop31h 55m

$629

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Mon 6/2

7:40 am-4:19 pm

2 stops14h 39m

Washington, D.C. Dulles Intl

Sun 6/8

2:25 pm-11:10 am

2 stops14h 45m

$801

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 9/6

10:20 am-8:15 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Tue 9/9

5:50 pm-9:25 pm

1 stop21h 35m

$3,573

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 8/19

2:50 pm-7:45 pm

1 stop34h 55m

Washington, D.C. Dulles Intl

Sat 8/23

9:40 pm-1:50 pm

1 stop34h 10m

$3,712

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 9/6

3:10 am-5:10 am

2 stops56h 00m

Washington, D.C. Dulles Intl

Tue 9/9

12:00 pm-4:10 am

2 stops34h 10m

$3,852

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Tue 8/19

6:50 am-2:25 pm

2 stops13h 35m

Washington, D.C. Dulles Intl

Sat 8/23

10:15 pm-7:25 pm

2 stops15h 10m

$4,580

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 12 results

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 May.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cologne-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 $309). Flying from Cologne to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $363). 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.

Rainfall in Dulles Intl by month

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.

Temperature in Dulles Intl by month

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).

Reviews of airlines servicing Dulles Intl

Austrian Airlines

7.6

Good

793 reviews

Reviews

1 / 20

10.0

Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

Austrian Airlines

7.6

Good

793 reviews

Austrian Airlines

7.6

Good

793 reviews

Reviews

1 / 20

10.0

Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

SWISS

7.5

Good

1,601 reviews

Austrian Airlines

7.6

Good

793 reviews

Reviews

1 / 20

10.0

Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

United Airlines

7.4

Good

8,745 reviews

Austrian Airlines

7.6

Good

793 reviews

Reviews

1 / 20

10.0

Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

Turkish Airlines

7.3

Good

3,810 reviews

Austrian Airlines

7.6

Good

793 reviews

Reviews

1 / 20

10.0

Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

American Airlines

7.2

Good

10,000 reviews

Austrian Airlines

7.6

Good

793 reviews

Reviews

1 / 20

10.0

Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

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.
What are the cheapest airlines flying from Cologne to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from Cologne to Washington, D.C. Dulles Intl Airport round-trip from $545. Other airlines that can offer you cheap pricing are Austrian Airlines, from $565, and British Airways, from $566. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 22% less than the average price by searching for these airlines.
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 $309). Flying from Cologne to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $363). 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.

See more FAQs

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Fairfax

Fredericksburg

Linthicum Heights

Gaithersburg

Springfield

Falls Church

Rockville

Laurel

Easton

Towson

Herndon

Sterling

Bowie

National Harbor

Reston

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$382+ 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 6/25. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cologne to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 May 23, 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 May 23, 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.

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 May.

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?

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

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?

What are the cheapest airlines flying from Cologne to Washington, D.C. Dulles Intl Airport round-trip?

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 Cologne?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cologne to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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 May 23, 2025.