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

Air Canada, at $661, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Cologne.Alternate airlines to your destination round-trip include British Airways and American Airlines. Air Canada 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 ($446), Air Canada ($656), 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.

$274+ Flights from Washington, D.C. Dulles Intl Airport to Cologne

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1. Tell us where you want to go

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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	$661 (Air Canada)
One-way from	$274 (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

Search Deals

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

Search Deals

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 29, 2025.

Mon 7/285:31 pmIAD - CGN

2 stops17h 34mAir Canada

Tue 8/126:35 pmCGN - IAD

2 stops32h 26mAir Canada

Deal found 4/29

$661

Wed 9/310:40 pmIAD - CGN

1 stop16h 20mAmerican Airlines

Thu 9/1810:15 amCGN - IAD

2 stops17h 37mAmerican Airlines

Deal found 4/28

$671

Sun 10/2611:20 pmIAD - CGN

1 stop11h 10mMultiple Airlines

Sun 11/28:20 pmCGN - IAD

1 stop24h 15mMultiple Airlines

Deal found 4/28

$689

Mon 7/287:25 pmIAD - CGN

1 stop12h 55mBritish Airways

Tue 8/129:15 pmCGN - IAD

1 stop24h 40mBritish Airways

Deal found 4/29

$691

Sun 10/2611:20 pmIAD - CGN

1 stop12h 50mLufthansa

Sun 11/25:05 amCGN - IAD

2 stops15h 45mLufthansa

Deal found 4/28

$714

Sun 10/2611:05 pmIAD - CGN

2 stops13h 05mUnited Airlines

Sun 11/29:10 amCGN - IAD

2 stops17h 05mUnited Airlines

Deal found 4/28

$749

Mon 8/181:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Sat 8/232:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 4/29

$876

Wed 7/305:13 pmIAD - CGN

2 stops44h 27mAustrian Airlines

Mon 8/119:35 amCGN - IAD

2 stops60h 35mAustrian Airlines

Deal found 4/29

$913

Mon 8/184:30 pmIAD - CGN

2 stops13h 45mITA Airways

Sat 8/234:30 pmCGN - IAD

2 stops28h 10mITA Airways

Deal found 4/29

$954

Thu 9/2512:00 pmIAD - CGN

2 stops23h 35mEgyptair

Sun 9/283:10 amCGN - IAD

2 stops32h 00mEgyptair

Deal found 4/28

$1,727

Mon 5/195:20 pmIAD - CGN

2 stops22h 15mSWISS

Sat 5/247:05 amCGN - IAD

2 stops37h 20mSWISS

Deal found 4/28

$2,166

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 29, 2025.

Mon 7/285:31 pmIAD - CGN

2 stops17h 34mAir Canada

Tue 8/126:35 pmCGN - IAD

2 stops32h 26mAir Canada

Deal found 4/29

$661

Mon 7/287:25 pmIAD - CGN

1 stop12h 55mBritish Airways

Tue 8/129:15 pmCGN - IAD

1 stop24h 40mBritish Airways

Deal found 4/29

$691

Mon 7/285:39 pmIAD - CGN

2 stops20h 51mAmerican Airlines

Tue 8/123:30 pmCGN - IAD

1 stop32h 00mAmerican Airlines

Deal found 4/29

$866

Mon 6/163:30 pmIAD - CGN

2 stops19h 15mMultiple Airlines

Mon 6/236:05 pmCGN - IAD

2 stops27h 15mMultiple Airlines

Deal found 4/28

$868

Sat 7/125:13 pmIAD - CGN

2 stops16h 37mUnited Airlines

Tue 8/512:55 pmCGN - IAD

2 stops13h 10mUnited Airlines

Deal found 4/27

$899

Fri 7/410:20 pmIAD - CGN

1 stop11h 30mLufthansa

Fri 7/188:35 amCGN - IAD

2 stops13h 15mLufthansa

Deal found 4/28

$909

Mon 7/285:13 pmIAD - CGN

2 stops44h 27mAustrian Airlines

Mon 8/119:35 amCGN - IAD

2 stops60h 35mAustrian Airlines

Deal found 4/29

$923

Mon 5/59:40 pmIAD - CGN

1 stop29h 50mTurkish Airlines

Thu 5/82:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 4/29

$1,058

Mon 5/195:20 pmIAD - CGN

2 stops22h 15mSWISS

Sat 5/247:05 amCGN - IAD

2 stops37h 20mSWISS

Deal found 4/28

$2,166

Sat 6/712:00 pmIAD - CGN

1 stop21h 30mEgyptair

Sun 6/153:10 amCGN - IAD

2 stops32h 00mEgyptair

Deal found 4/29

$2,353

Last-minute flights from Dulles Intl to Cologne
Discover last-minute flight deals from Dulles Intl to Cologne. Data last updated April 29, 2025 and is based on user searches.

Sun 5/47:25 pmIAD - CGN

1 stop19h 00mBritish Airways

Fri 5/910:00 pmCGN - IAD

2 stops24h 56mBritish Airways

Deal found 4/28

$1,127

Mon 5/59:40 pmIAD - CGN

1 stop29h 50mTurkish Airlines

Thu 5/82:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 4/29

$1,058

Mon 5/51:59 pmIAD - CGN

2 stops18h 21mBritish Airways

Thu 5/810:15 amCGN - IAD

1 stop13h 15mBritish Airways

Deal found 4/29

$1,080

Mon 5/53:27 pmIAD - CGN

2 stops19h 38mAir Canada

Thu 5/87:40 amCGN - IAD

2 stops14h 39mAir Canada

Deal found 4/28

$1,087

Mon 5/53:18 pmIAD - CGN

2 stops19h 47mAir Canada

Thu 5/87:40 amCGN - IAD

2 stops14h 39mAir Canada

Deal found 4/29

$1,080

Mon 5/1910:20 pmIAD - CGN

1 stop15h 00mUnited Airlines

Sat 5/246:05 amCGN - IAD

2 stops16h 08mUnited Airlines

Deal found 4/28

$2,123

Mon 5/1910:20 pmIAD - CGN

1 stop18h 50mMultiple Airlines

Sat 5/247:00 amCGN - IAD

1 stop13h 35mMultiple Airlines

Deal found 4/28

$2,131

Mon 5/195:20 pmIAD - CGN

2 stops22h 15mSWISS

Sat 5/247:05 amCGN - IAD

2 stops37h 20mSWISS

Deal found 4/28

$2,166

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 29, 2025.

Sun 7/271:31 pmIAD - CGN

2 stops37h 19mMultiple Airlines

Deal found 4/28

$274

Sun 7/277:25 pmIAD - CGN

1 stop19h 00mBritish Airways

Deal found 4/28

$446

Mon 6/235:31 pmIAD - CGN

2 stops35h 39mAir Canada

Deal found 4/28

$656

Sun 5/2510:20 pmIAD - CGN

1 stop12h 50mLufthansa

Deal found 4/28

$673

Sun 5/2510:40 pmIAD - CGN

1 stop15h 45mAmerican Airlines

Deal found 4/29

$735

Thu 6/129:40 pmIAD - CGN

1 stop14h 30mTurkish Airlines

Deal found 4/28

$780

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

Mon 7/28

5:31 pm-5:05 pm

2 stops17h 34m

Cologne Köln/Bonn

Tue 8/12

6:35 pm-9:01 pm

2 stops32h 26m

$661

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 9/3

10:40 pm-9:00 pm

1 stop16h 20m

Cologne Köln/Bonn

Thu 9/18

10:15 am-9:52 pm

2 stops17h 37m

$671

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 10/26

11:20 pm-3:30 pm

1 stop11h 10m

Cologne Köln/Bonn

Sun 11/2

8:20 pm-2:35 pm

1 stop24h 15m

$689

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 7/28

7:25 pm-2:20 pm

1 stop12h 55m

Cologne Köln/Bonn

Tue 8/12

9:15 pm-3:55 pm

1 stop24h 40m

$691

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 10/26

11:20 pm-5:10 pm

1 stop12h 50m

Cologne Köln/Bonn

Sun 11/2

5:05 am-3:50 pm

2 stops15h 45m

$714

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 10/26

11:05 pm-5:10 pm

2 stops13h 05m

Cologne Köln/Bonn

Sun 11/2

9:10 am-8:15 pm

2 stops17h 05m

$749

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 8/18

1:30 pm-1:50 pm

1 stop18h 20m

Cologne Köln/Bonn

Sat 8/23

2:50 pm-11:45 am

1 stop26h 55m

$876

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 7/30

5:13 pm-7:40 pm

2 stops44h 27m

Cologne Köln/Bonn

Mon 8/11

9:35 am-4:10 pm

2 stops60h 35m

$913

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Mon 8/18

4:30 pm-12:15 pm

2 stops13h 45m

Cologne Köln/Bonn

Sat 8/23

4:30 pm-2:40 pm

2 stops28h 10m

$954

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

$1,727

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 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

Read through reviews of airlines operating flights from Washington, D.C. to Cologne, such as Austrian Airlines, SWISS and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

SWISS

7.5

Good

1,588 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

8,696 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

3,788 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.

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?
Air Canada, at $661, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Cologne.Alternate airlines to your destination round-trip include British Airways and American Airlines. Air Canada 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 ($446), Air Canada ($656), 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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$274+ 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 7/27. 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

Most accurate provider

Most trusted provider

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One-way from

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Cheapest in

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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 29, 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 29, 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

Read through reviews of airlines operating flights from Washington, D.C. to Cologne, such as Austrian Airlines, SWISS and United Airlines. Users have also rated airlines 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 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?

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Alternative routes for Dulles Intl to Cologne

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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 29, 2025.