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

British Airways, at $660, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Cologne.Alternate airlines to your destination round-trip include American Airlines and United Airlines. British Airways is currently priced 19% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Cologne one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Cologne are British Airways ($481), Air Canada ($663), and Lufthansa ($673).

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

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

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Cologne?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Cologne are British Airways, Lufthansa and United Airlines. Something to consider prior to booking your flight.

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

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Cologne. Check prices with Cheapflights to find a great deal for your trip.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Cologne. Flights to Cologne from Washington, D.C. Dulles Intl Airport in February are about $885 on average during February, but can be found for as low as $491.

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

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Cologne in the morning. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

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

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Cologne flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C. Dulles Intl Airport-Cologne flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

For a flight from Washington, D.C. Dulles Intl to Cologne, you will be flying into Köln/Bonn. Cologne Köln/Bonn (CGN) is just 9.5 mi from the center of the city. Köln/Bonn is the only Cologne airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 3 airlines have flights to Cologne Köln/Bonn from Washington, D.C. Dulles Intl on a regular basis.

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

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

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

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

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

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

$389+ Flights from Washington, D.C. Dulles Intl Airport to Cologne

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Cheap flight deals from Dulles Intl to Cologne

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$660 (oojo)
One-way from	$389 (Kiwi.com)
Popular in	November
Cheapest in	December
Average price	$806

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

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

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

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

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Highest demand for flights based on searches. 11% potential increase in price ($101 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Dulles Intl to Cologne

Cheapest flights from Dulles Intl to Cologne
Explore the most affordable flight options available from Dulles Intl to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Wed 10/1510:45 pmIAD - CGN

1 stop16h 15mAmerican Airlines

Mon 10/2010:50 amCGN - IAD

1 stop15h 25mAmerican Airlines

Deal found 4/21

$661

Sun 10/2611:20 pmIAD - CGN

1 stop12h 50mMultiple Airlines

Sun 11/28:20 pmCGN - IAD

1 stop24h 15mMultiple Airlines

Deal found 4/22

$688

Sun 7/277:25 pmIAD - CGN

1 stop19h 00mBritish Airways

Tue 8/129:15 pmCGN - IAD

1 stop26h 15mBritish Airways

Deal found 4/22

$692

Sun 10/2611:20 pmIAD - CGN

1 stop12h 50mLufthansa

Sun 11/25:05 amCGN - IAD

2 stops15h 45mLufthansa

Deal found 4/22

$714

Tue 5/202:25 pmIAD - CGN

2 stops15h 50mUnited Airlines

Tue 5/276:05 amCGN - IAD

1 stop15h 15mUnited Airlines

Deal found 4/22

$717

Wed 10/151:00 pmIAD - CGN

2 stops16h 10mAir Canada

Mon 10/2012:55 pmCGN - IAD

2 stops28h 21mAir Canada

Deal found 4/21

$763

Tue 5/205:25 pmIAD - CGN

1 stop20h 15mAustrian Airlines

Tue 5/279:35 amCGN - IAD

1 stop35h 00mAustrian Airlines

Deal found 4/22

$926

Mon 5/59:40 pmIAD - CGN

1 stop29h 50mTurkish Airlines

Thu 5/82:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 4/22

$1,062

Thu 9/2512:00 pmIAD - CGN

2 stops23h 35mEgyptair

Sun 9/283:10 amCGN - IAD

2 stops32h 00mEgyptair

Deal found 4/22

$1,728

Sat 8/210:20 pmIAD - CGN

2 stops17h 15mSWISS

Tue 8/126:50 amCGN - IAD

2 stops13h 25mSWISS

Deal found 4/22

$3,078

Best flights from Dulles Intl to Cologne
Discover carefully curated flight deals from Dulles Intl to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Mon 5/55:40 pmIAD - CGN

1 stop20h 50mBritish Airways

Sun 5/1810:15 amCGN - IAD

1 stop15h 55mBritish Airways

Deal found 4/21

$660

Mon 5/55:40 pmIAD - CGN

1 stop14h 40mAmerican Airlines

Mon 5/1910:50 amCGN - IAD

1 stop10h 55mAmerican Airlines

Deal found 4/21

$663

Thu 5/15:40 pmIAD - CGN

1 stop21h 30mMultiple Airlines

Fri 5/162:20 pmCGN - IAD

1 stop11h 45mMultiple Airlines

Deal found 4/21

$697

Tue 5/202:25 pmIAD - CGN

2 stops15h 50mUnited Airlines

Tue 5/276:05 amCGN - IAD

1 stop15h 15mUnited Airlines

Deal found 4/22

$717

Mon 5/53:27 pmIAD - CGN

2 stops19h 38mAir Canada

Sun 5/186:35 pmCGN - IAD

2 stops25h 44mAir Canada

Deal found 4/21

$757

Tue 5/205:25 pmIAD - CGN

1 stop20h 15mAustrian Airlines

Tue 5/279:35 amCGN - IAD

1 stop35h 00mAustrian Airlines

Deal found 4/22

$926

Mon 5/59:40 pmIAD - CGN

1 stop29h 50mTurkish Airlines

Thu 5/82:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 4/22

$1,062

Tue 6/2410:20 pmIAD - CGN

1 stop18h 50mLufthansa

Sun 6/296:05 amCGN - IAD

1 stop15h 15mLufthansa

Deal found 4/22

$1,091

Thu 6/512:00 pmIAD - CGN

2 stops57h 40mEgyptair

Wed 6/113:10 amCGN - IAD

2 stops56h 00mEgyptair

Deal found 4/21

$2,681

Last-minute flights from Dulles Intl to Cologne
Discover last-minute flight deals from Dulles Intl to Cologne. Data last updated April 22, 2025 and is based on user searches.

Tue 4/2211:05 pmIAD - CGN

1 stop12h 05mLufthansa

Sun 4/278:40 amCGN - IAD

1 stop16h 45mLufthansa

Deal found 4/22

$817

Tue 4/224:07 pmIAD - CGN

2 stops14h 08mMultiple Airlines

Sun 4/2712:55 pmCGN - IAD

1 stop12h 30mMultiple Airlines

Deal found 4/22

$819

Tue 4/224:07 pmIAD - CGN

2 stops14h 08mAir Canada

Sun 4/276:05 amCGN - IAD

2 stops31h 50mAir Canada

Deal found 4/22

$826

Mon 5/59:40 pmIAD - CGN

1 stop29h 50mTurkish Airlines

Thu 5/82:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 4/22

$1,062

Mon 5/51:59 pmIAD - CGN

2 stops18h 21mAmerican Airlines

Thu 5/810:15 amCGN - IAD

1 stop11h 30mAmerican Airlines

Deal found 4/22

$1,085

Tue 5/202:25 pmIAD - CGN

2 stops15h 50mUnited Airlines

Tue 5/276:05 amCGN - IAD

1 stop15h 15mUnited Airlines

Deal found 4/22

$717

Tue 5/205:25 pmIAD - CGN

1 stop20h 15mAustrian Airlines

Tue 5/279:35 amCGN - IAD

1 stop35h 00mAustrian Airlines

Deal found 4/22

$926

One-way flights from Dulles Intl to Cologne
Search for one-way flight options from Dulles Intl to Cologne. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Mon 6/2311:35 amIAD - CGN

3 stops39h 05mMultiple Airlines

Deal found 4/22

$389

Sun 5/48:14 pmIAD - CGN

2 stops36h 06mBritish Airways

Deal found 4/22

$481

Sun 5/252:25 pmIAD - CGN

2 stops20h 40mAir Canada

Deal found 4/22

$663

Sun 5/2510:20 pmIAD - CGN

1 stop18h 40mLufthansa

Deal found 4/22

$673

Sun 6/299:40 pmIAD - CGN

1 stop14h 35mTurkish Airlines

Deal found 4/21

$799

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Wed 10/15

10:45 pm-9:00 pm

1 stop16h 15m

Cologne Köln/Bonn

Mon 10/20

10:50 am-8:15 pm

1 stop15h 25m

$661

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 7/27

7:25 pm-8:25 pm

1 stop19h 00m

Cologne Köln/Bonn

Tue 8/12

9:15 pm-5:30 pm

1 stop26h 15m

$692

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 5/20

2:25 pm-12:15 pm

2 stops15h 50m

Cologne Köln/Bonn

Tue 5/27

6:05 am-3:20 pm

1 stop15h 15m

$717

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 10/15

1:00 pm-11:10 am

2 stops16h 10m

Cologne Köln/Bonn

Mon 10/20

12:55 pm-11:16 am

2 stops28h 21m

$763

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 7/29

10:20 pm-5:10 pm

1 stop12h 50m

Cologne Köln/Bonn

Mon 8/11

6:35 pm-9:01 pm

2 stops32h 26m

$784

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Fri 8/29

6:35 pm-3:50 pm

2 stops15h 15m

Cologne Köln/Bonn

Sat 9/6

12:55 pm-7:25 pm

1 stop12h 30m

$849

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 5/20

5:25 pm-7:40 pm

1 stop20h 15m

Cologne Köln/Bonn

Tue 5/27

9:35 am-2:35 pm

1 stop35h 00m

$926

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 5/5

9:40 pm-9:30 am

1 stop29h 50m

Cologne Köln/Bonn

Thu 5/8

2:50 pm-11:45 am

1 stop26h 55m

$1,062

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Thu 9/25

12:00 pm-5:35 pm

2 stops23h 35m

Cologne Köln/Bonn

Sun 9/28

3:10 am-5:10 am

2 stops32h 00m

$1,728

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sat 8/2

10:20 pm-9:35 pm

2 stops17h 15m

Cologne Köln/Bonn

Tue 8/12

6:50 am-2:15 pm

2 stops13h 25m

$3,078

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 14 results

Compare providers for flights from Dulles Intl to Cologne

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	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 Washington, D.C. Dulles Intl Airport-Cologne flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Cologne flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Cologne flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cologne flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C. Dulles Intl Airport-Cologne 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 Dulles Intl to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Cologne

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cologne (average of $649). Flying from Washington, D.C. Dulles Intl Airport to Cologne in June is currently the most expensive (average of $1,478). 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 Cologne by month

In terms of precipitation, rainfall in Cologne ranges from 2.0 - 3.5 inches per month. June is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Cologne when rainfall is around 2.0 in.

Temperature in Cologne by month

If weather is an important factor for your trip to Cologne, 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 62.6 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 Cologne

Austrian Airlines

7.6

Good

780 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

780 reviews

Austrian Airlines

7.6

Good

780 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

8,683 reviews

Austrian Airlines

7.6

Good

780 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

3,773 reviews

Austrian Airlines

7.6

Good

780 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

780 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.

Air Canada

7.0

Good

9,179 reviews

Austrian Airlines

7.6

Good

780 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 into for flights to Cologne from Washington, D.C. Dulles Intl?
For a flight from Washington, D.C. Dulles Intl to Cologne, you will be flying into Köln/Bonn. Cologne Köln/Bonn (CGN) is just 9.5 mi from the center of the city. Köln/Bonn is the only Cologne airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 3 airlines have flights to Cologne Köln/Bonn from Washington, D.C. Dulles Intl on a regular basis.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Cologne round-trip?
British Airways, at $660, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Cologne.Alternate airlines to your destination round-trip include American Airlines and United Airlines. British Airways is currently priced 19% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Cologne one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Cologne are British Airways ($481), Air Canada ($663), and Lufthansa ($673).
Can I find deals for flights from Dulles Intl to Cologne that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Cologne?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Cologne.
Can I find deals for business class flights from Dulles Intl to Cologne?
Yes. Cheapflights offers flight deals from Dulles Intl to Cologne 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 Washington, D.C. Dulles Intl Airport to Cologne?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cologne (average of $649). Flying from Washington, D.C. Dulles Intl Airport to Cologne in June is currently the most expensive (average of $1,478). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Cologne

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$584	Average$781	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$633	Average$801	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$757	Average$1,366	FlexibilityNo cancel fee	On-time69%

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$389+ Cheap flights from Dulles Intl (IAD) to Cologne (CGN)

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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Cologne with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Dulles Intl to Cologne

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Round-trip from

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Find flight deals from Dulles Intl to Cologne

Cheapest flights from Dulles Intl to CologneExplore the most affordable flight options available from Dulles Intl to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Dulles Intl to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Dulles Intl to Cologne

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 Dulles Intl to Cologne in April.

Best time to book a flight from Dulles Intl to Cologne

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

Cheapflights Insights

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

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

Rainfall in Cologne by month

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

Temperature in Cologne by month

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

Reviews of airlines servicing Cologne

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Cologne. 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 into for flights to Cologne from Washington, D.C. Dulles Intl?

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

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Cologne one-way?

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

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

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

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

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

Top 3 airlines flying from Dulles Intl to Cologne

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Cheapest flights from Dulles Intl to Cologne
Explore the most affordable flight options available from Dulles Intl to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.