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 $565. Other airlines that can offer you cheap pricing are United Airlines, from $584, and Air Canada, from $588. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 18% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from Cologne to Washington, D.C. Dulles Intl Airport are Lufthansa ($799), Turkish Airlines ($1,052), and British Airways ($1,946).

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 $664. 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.

$564+ Flights from Cologne to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Cologne to Dulles Intl

Round-trip from	$564 (Sembo)
Popular in	September
Cheapest in	April
Average price	$916

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

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($153 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 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 julho 14, 2025.

sáb 10/186:05 amCGN - IAD

1 stop19h 20mMultiple Airlines

sáb 11/16:30 pmIAD - CGN

2 stops37h 05mMultiple Airlines

Deal found 7/13

$564

qui 8/288:35 amCGN - IAD

1 stop12h 45mLufthansa

qui 9/410:20 pmIAD - CGN

1 stop11h 30mLufthansa

Deal found 7/14

$565

sex 10/1712:55 pmCGN - IAD

1 stop12h 30mUnited Airlines

qui 10/306:40 pmIAD - CGN

1 stop12h 55mUnited Airlines

Deal found 7/13

$572

qui 10/27:40 amCGN - IAD

2 stops14h 38mAir Canada

dom 10/52:25 pmIAD - CGN

2 stops14h 45mAir Canada

Deal found 7/12

$588

ter 8/269:15 pmCGN - IAD

2 stops27h 37mBritish Airways

ter 9/24:36 pmIAD - CGN

2 stops22h 49mBritish Airways

Deal found 7/12

$609

sex 9/58:25 pmCGN - IAD

2 stops25h 00mAustrian Airlines

ter 9/96:40 pmIAD - CGN

2 stops19h 00mAustrian Airlines

Deal found 7/14

$714

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 julho 14, 2025.

sáb 10/186:05 amCGN - IAD

1 stop19h 20mMultiple Airlines

sáb 11/16:30 pmIAD - CGN

2 stops37h 05mMultiple Airlines

Deal found 7/13

$564

qui 8/288:35 amCGN - IAD

1 stop12h 45mLufthansa

qui 9/410:20 pmIAD - CGN

1 stop11h 30mLufthansa

Deal found 7/14

$565

sáb 10/186:05 amCGN - IAD

2 stops15h 45mUnited Airlines

qui 10/306:40 pmIAD - CGN

1 stop12h 55mUnited Airlines

Deal found 7/13

$584

qui 10/27:40 amCGN - IAD

2 stops14h 38mAir Canada

dom 10/52:25 pmIAD - CGN

2 stops14h 45mAir Canada

Deal found 7/12

$588

ter 8/269:15 pmCGN - IAD

2 stops27h 37mBritish Airways

ter 9/24:36 pmIAD - CGN

2 stops22h 49mBritish Airways

Deal found 7/12

$609

sex 9/58:25 pmCGN - IAD

2 stops25h 00mAustrian Airlines

ter 9/96:40 pmIAD - CGN

2 stops19h 00mAustrian Airlines

Deal found 7/14

$714

Last-minute flights from Cologne to Dulles Intl
Discover last-minute flight deals from Cologne to Dulles Intl. Data last updated julho 14, 2025 and is based on user searches.

sex 8/16:20 amCGN - IAD

2 stops15h 50mAir Canada

sex 12/195:10 pmIAD - CGN

2 stops12h 55mAir Canada

Deal found 7/14

$1,873

ter 8/2612:55 pmCGN - IAD

1 stop12h 30mMultiple Airlines

ter 9/29:35 amIAD - CGN

2 stops19h 35mMultiple Airlines

Deal found 7/12

$573

ter 8/269:15 pmCGN - IAD

2 stops27h 37mBritish Airways

ter 9/24:36 pmIAD - CGN

2 stops22h 49mBritish Airways

Deal found 7/12

$609

qui 8/288:35 amCGN - IAD

1 stop12h 45mLufthansa

qui 9/410:20 pmIAD - CGN

1 stop11h 30mLufthansa

Deal found 7/14

$565

qui 8/288:35 amCGN - IAD

1 stop16h 50mUnited Airlines

qui 9/43:55 pmIAD - CGN

2 stops14h 20mUnited Airlines

Deal found 7/14

$572

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 julho 14, 2025.

dom 8/38:05 pmCGN - IAD

1 stop25h 15mLufthansa

Deal found 7/13

$799

qua 7/307:10 pmCGN - IAD

1 stop22h 35mTurkish Airlines

Deal found 7/13

$1,052

qua 7/3010:15 pmCGN - IAD

2 stops27h 21mBritish Airways

Deal found 7/13

$1,946

qua 7/307:40 amCGN - IAD

2 stops19h 45mAir Canada

Deal found 7/13

$2,171

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

sáb 10/18

6:05 am-7:25 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

sáb 11/1

6:30 pm-12:35 pm

2 stops37h 05m

$564

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

qui 8/28

8:35 am-3:20 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

qui 9/4

10:20 pm-3:50 pm

1 stop11h 30m

$565

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

sex 10/17

12:55 pm-7:25 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

qui 10/30

6:40 pm-12:35 pm

1 stop12h 55m

$572

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

qui 10/2

7:40 am-4:18 pm

2 stops14h 38m

Washington, D.C. Dulles Intl

dom 10/5

2:25 pm-11:10 am

2 stops14h 45m

$588

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

ter 8/26

9:15 pm-6:52 pm

2 stops27h 37m

Washington, D.C. Dulles Intl

ter 9/2

4:36 pm-9:25 pm

2 stops22h 49m

$609

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

sex 9/5

8:25 pm-3:25 pm

2 stops25h 00m

Washington, D.C. Dulles Intl

ter 9/9

6:40 pm-7:40 pm

2 stops19h 00m

$714

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

dom 8/3

8:05 pm-3:20 pm

1 stop25h 15m

$799

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

qua 7/30

7:10 pm-11:45 am

1 stop22h 35m

$1,052

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

qua 7/30

10:15 pm-7:36 pm

2 stops27h 21m

$1,946

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

qua 7/30

7:40 am-9:25 pm

2 stops19h 45m

$2,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

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 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.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Austrian Airlines, United Airlines, and Turkish Airlines from Cologne to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

814 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Austrian Airlines

7.6

Good

814 reviews

Austrian Airlines

7.6

Good

814 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

United Airlines

7.4

Good

8,858 reviews

Austrian Airlines

7.6

Good

814 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Turkish Airlines

7.3

Good

3,901 reviews

Austrian Airlines

7.6

Good

814 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Air Canada

7.1

Good

9,725 reviews

Austrian Airlines

7.6

Good

814 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Lufthansa

6.8

Okay

7,208 reviews

Austrian Airlines

7.6

Good

814 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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 $565. Other airlines that can offer you cheap pricing are United Airlines, from $584, and Air Canada, from $588. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 18% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Cologne to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from Cologne to Washington, D.C. Dulles Intl Airport are Lufthansa ($799), Turkish Airlines ($1,052), and British Airways ($1,946).
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 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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$564+ Cheap flights from Cologne (CGN) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. 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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2. Select your favorite providers

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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 julho 14, 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 julho 14, 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?

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?

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

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 julho 14, 2025.