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 $516. Other airlines that can offer you cheap pricing are Air Canada, from $598, and Lufthansa, from $600. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 29% 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 $645. 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.

$329+ Flights from Cologne to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Cologne to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$516 (British Airways)
One-way from	$329 (Kiwi.com)
Popular in	July
Cheapest in	April
Average price	$462

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

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

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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. 25% potential increase in price ($247 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 16, 2025.

Thu 4/2410:15 amCGN - IAD

1 stop13h 20mBritish Airways

Mon 4/285:40 pmIAD - CGN

1 stop20h 50mBritish Airways

Deal found 4/15

$516

Thu 4/2410:15 amCGN - IAD

1 stop11h 35mMultiple Airlines

Mon 4/285:40 pmIAD - CGN

1 stop20h 50mMultiple Airlines

Deal found 4/15

$533

Sun 6/291:35 pmCGN - IAD

2 stops26h 02mAir Canada

Sat 7/125:31 pmIAD - CGN

2 stops35h 39mAir Canada

Deal found 4/15

$598

Sat 10/116:20 pmCGN - IAD

2 stops25h 10mLufthansa

Mon 10/2010:20 pmIAD - CGN

1 stop15h 00mLufthansa

Deal found 4/16

$600

Thu 4/248:35 amCGN - IAD

1 stop12h 25mUnited Airlines

Thu 5/15:15 pmIAD - CGN

2 stops13h 00mUnited Airlines

Deal found 4/15

$676

Thu 4/2410:15 amCGN - IAD

1 stop11h 35mAmerican Airlines

Mon 4/2810:40 pmIAD - CGN

1 stop15h 50mAmerican Airlines

Deal found 4/16

$750

Sat 10/117:00 amCGN - IAD

2 stops38h 25mAustrian Airlines

Mon 10/206:40 pmIAD - CGN

2 stops32h 10mAustrian Airlines

Deal found 4/15

$994

Wed 7/163:10 amCGN - IAD

2 stops56h 00mEgyptair

Thu 8/2812:00 pmIAD - CGN

2 stops57h 40mEgyptair

Deal found 4/15

$2,133

Wed 5/217:10 pmCGN - IAD

1 stop30h 35mTurkish Airlines

Wed 6/41:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Deal found 4/16

$3,713

Wed 5/216:20 amCGN - IAD

1 stop14h 55mSWISS

Tue 6/38:45 pmIAD - CGN

1 stop14h 35mSWISS

Deal found 4/16

$3,999

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 April 16, 2025.

Wed 5/1410:15 pmCGN - IAD

1 stop25h 15mBritish Airways

Sat 5/248:06 pmIAD - CGN

2 stops18h 44mBritish Airways

Deal found 4/15

$516

Sun 6/299:35 pmCGN - IAD

1 stop28h 35mMultiple Airlines

Sat 7/1210:45 pmIAD - CGN

1 stop16h 05mMultiple Airlines

Deal found 4/15

$544

Sun 6/291:35 pmCGN - IAD

2 stops26h 02mAir Canada

Sat 7/125:31 pmIAD - CGN

2 stops35h 39mAir Canada

Deal found 4/15

$598

Sat 10/116:20 pmCGN - IAD

2 stops25h 10mLufthansa

Mon 10/2010:20 pmIAD - CGN

1 stop15h 00mLufthansa

Deal found 4/16

$600

Thu 7/176:05 amCGN - IAD

2 stops16h 10mUnited Airlines

Wed 8/2710:20 pmIAD - CGN

1 stop12h 50mUnited Airlines

Deal found 4/15

$716

Sat 10/1110:20 amCGN - IAD

1 stop13h 15mAmerican Airlines

Mon 10/206:05 pmIAD - CGN

2 stops14h 15mAmerican Airlines

Deal found 4/15

$758

Sat 10/117:00 amCGN - IAD

2 stops38h 25mAustrian Airlines

Mon 10/206:40 pmIAD - CGN

2 stops32h 10mAustrian Airlines

Deal found 4/15

$994

Wed 7/163:10 amCGN - IAD

2 stops56h 00mEgyptair

Thu 8/2812:00 pmIAD - CGN

2 stops57h 40mEgyptair

Deal found 4/15

$2,133

Wed 5/217:10 pmCGN - IAD

1 stop30h 35mTurkish Airlines

Wed 6/41:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Deal found 4/16

$3,713

Wed 5/216:20 amCGN - IAD

1 stop14h 55mSWISS

Tue 6/38:45 pmIAD - CGN

1 stop14h 35mSWISS

Deal found 4/16

$3,999

Last-minute flights from Cologne to Dulles Intl
Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated April 16, 2025 and is based on user searches.

Thu 4/249:55 pmCGN - IAD

1 stop23h 55mBritish Airways

Thu 5/15:40 pmIAD - CGN

1 stop21h 30mBritish Airways

Deal found 4/15

$516

Thu 4/2410:15 amCGN - IAD

1 stop11h 35mMultiple Airlines

Mon 4/285:40 pmIAD - CGN

1 stop20h 50mMultiple Airlines

Deal found 4/15

$533

Thu 4/246:05 amCGN - IAD

1 stop14h 55mLufthansa

Mon 4/2810:20 pmIAD - CGN

1 stop12h 50mLufthansa

Deal found 4/15

$629

Thu 4/248:35 amCGN - IAD

1 stop12h 25mUnited Airlines

Thu 5/15:15 pmIAD - CGN

2 stops13h 00mUnited Airlines

Deal found 4/15

$676

Thu 4/241:35 pmCGN - IAD

2 stops24h 20mAir Canada

Mon 4/283:30 pmIAD - CGN

2 stops13h 40mAir Canada

Deal found 4/15

$683

Thu 4/2410:15 amCGN - IAD

1 stop11h 35mAmerican Airlines

Mon 4/2810:40 pmIAD - CGN

1 stop15h 50mAmerican Airlines

Deal found 4/16

$750

Sun 5/188:50 pmCGN - IAD

1 stop23h 45mAustrian Airlines

Thu 6/55:25 pmIAD - CGN

1 stop18h 00mAustrian Airlines

Deal found 4/16

$4,282

Wed 5/217:10 pmCGN - IAD

1 stop30h 35mTurkish Airlines

Wed 6/41:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Deal found 4/16

$3,713

Wed 5/216:20 amCGN - IAD

1 stop14h 55mSWISS

Thu 6/58:45 pmIAD - CGN

1 stop18h 50mSWISS

Deal found 4/16

$3,999

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 April 16, 2025.

Wed 5/75:50 pmCGN - IAD

2 stops27h 30mMultiple Airlines

Deal found 4/15

$329

Sun 10/1210:15 amCGN - IAD

1 stop11h 40mBritish Airways

Deal found 4/15

$658

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

Wed 5/14

10:15 pm-5:30 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Sat 5/24

8:06 pm-8:50 pm

2 stops18h 44m

$516

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 6/29

9:35 pm-8:10 pm

1 stop28h 35m

Washington, D.C. Dulles Intl

Sat 7/12

10:45 pm-8:50 pm

1 stop16h 05m

$544

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 6/29

1:35 pm-9:37 am

2 stops26h 02m

Washington, D.C. Dulles Intl

Sat 7/12

5:31 pm-11:10 am

2 stops35h 39m

$598

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 10/11

6:20 pm-1:30 pm

2 stops25h 10m

Washington, D.C. Dulles Intl

Mon 10/20

10:20 pm-7:20 pm

1 stop15h 00m

$600

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 7/17

6:05 am-4:15 pm

2 stops16h 10m

Washington, D.C. Dulles Intl

Wed 8/27

10:20 pm-5:10 pm

1 stop12h 50m

$716

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 10/11

10:20 am-5:35 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Mon 10/20

6:05 pm-2:20 pm

2 stops14h 15m

$758

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 10/11

7:00 am-3:25 pm

2 stops38h 25m

Washington, D.C. Dulles Intl

Mon 10/20

6:40 pm-8:50 am

2 stops32h 10m

$994

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 7/16

3:10 am-5:10 am

2 stops56h 00m

Washington, D.C. Dulles Intl

Thu 8/28

12:00 pm-3:40 am

2 stops57h 40m

$2,133

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 5/21

7:10 pm-7:45 pm

1 stop30h 35m

Washington, D.C. Dulles Intl

Wed 6/4

1:30 pm-1:50 pm

1 stop18h 20m

$3,713

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Wed 5/21

6:20 am-3:15 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Tue 6/3

8:45 pm-5:20 pm

1 stop14h 35m

$3,999

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.

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 $383). 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

Peruse reviews from past customers who have flown with Austrian Airlines, SWISS and United Airlines from Cologne to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

775 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Austrian Airlines

7.6

Good

775 reviews

Austrian Airlines

7.6

Good

775 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

SWISS

7.5

Good

1,580 reviews

Austrian Airlines

7.6

Good

775 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

United Airlines

7.4

Good

8,665 reviews

Austrian Airlines

7.6

Good

775 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Turkish Airlines

7.3

Good

3,767 reviews

Austrian Airlines

7.6

Good

775 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

American Airlines

7.2

Good

10,000 reviews

Austrian Airlines

7.6

Good

775 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 $516. Other airlines that can offer you cheap pricing are Air Canada, from $598, and Lufthansa, from $600. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 29% 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 $383). 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

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$329+ 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 5/7. 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 April 16, 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 April 16, 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 April.

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

Peruse reviews from past customers who have flown with Austrian Airlines, SWISS and United Airlines from Cologne to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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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 April 16, 2025.