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

Lufthansa, at $584, was found to be the cheapest airline from Washington, D.C. to Cologne.Alternate airlines to your destination round-trip include British Airways and United Airlines. You may be able to fly from Washington, D.C. to Cologne for 33% less than the average price by searching for these airlines.

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

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $430. Users have also found prices from $435 and $569 on British Airways and United Airlines, respectively.

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

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

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.

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).

What are the most popular routes from Washington, D.C. to Cologne?

While some choose either Baltimore/Washington - Cologne Köln/Bonn or Washington, D.C. Reagan-National - Cologne Köln/Bonn, Washington, D.C. Dulles Intl - Cologne Köln/Bonn is the most popular route from Washington, D.C. to Cologne.

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

British Airways, Lufthansa and United Airlines are the most popular airlines when flying from Washington, D.C. to Cologne.

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

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Flights from Washington, D.C. to Cologne lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. to Cologne in February, with the cheapest ticket starting at $491.

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

Cologne Köln/Bonn (CGN), located 9.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Cologne. 3 airlines have flights to Köln/Bonn from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Cologne Köln/Bonn should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

Can I find deals for flights from Washington, D.C. to Cologne that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Cologne?

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

Can I find deals for business class flights from Washington, D.C. to Cologne?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$289+ Flights from Washington, D.C. to Cologne

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Cheap flight deals from Washington, D.C. to Cologne

Round-trip from	$588 (Ovago)
One-way from	$430 (Priceline)
Popular in	December
Cheapest in	February
Average price	$751

From Washington, D.C. (WAS) to Cologne Köln/Bonn

Search Deals

One-way flight from Washington, D.C. (WAS) to Cologne Köln/Bonn

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($194 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($78 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Washington, D.C. to Cologne

Cheapest flights from Washington, D.C. to Cologne
Explore the most affordable flight options available from Washington, D.C. to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Sun 10/267:20 pmIAD - CGN

1 stop16h 10mBritish Airways

Sun 11/24:35 pmCGN - IAD

1 stop33h 20mBritish Airways

Deal found 8/17

$588

Sun 10/267:45 pmBWI - CGN

2 stops15h 45mBritish Airways

Sun 11/24:35 pmCGN - BWI

2 stops31h 56mBritish Airways

Deal found 8/17

$602

Sun 10/2612:22 pmDCA - CGN

2 stops23h 08mBritish Airways

Sun 11/24:35 pmCGN - DCA

2 stops29h 36mBritish Airways

Deal found 8/16

$602

Wed 9/32:21 pmIAD - CGN

2 stops24h 39mBritish Airways

Tue 9/239:15 pmCGN - IAD

2 stops23h 45mBritish Airways

Deal found 8/17

$616

Wed 9/31:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Thu 9/1810:30 amCGN - IAD

1 stop31h 15mTurkish Airlines

Deal found 8/17

$617

Sat 9/63:00 pmBWI - CGN

2 stops23h 50mBritish Airways

Sat 9/2010:20 amCGN - BWI

2 stops18h 48mBritish Airways

Deal found 8/16

$627

Sat 9/67:45 pmDCA - CGN

2 stops19h 05mBritish Airways

Sat 9/2010:20 amCGN - DCA

2 stops15h 40mBritish Airways

Deal found 8/16

$627

Thu 9/115:24 pmBWI - CGN

2 stops14h 11mBritish Airways

Mon 9/2210:50 amCGN - BWI

2 stops18h 12mBritish Airways

Deal found 8/17

$632

Thu 9/113:15 pmDCA - CGN

2 stops16h 20mBritish Airways

Mon 9/229:15 pmCGN - DCA

2 stops25h 39mBritish Airways

Deal found 8/15

$632

Wed 9/32:49 pmBWI - CGN

2 stops24h 11mBritish Airways

Wed 9/1010:15 pmCGN - BWI

2 stops25h 44mBritish Airways

Deal found 8/17

$637

Wed 9/37:21 pmIAD - CGN

2 stops19h 39mBritish Airways

Wed 9/1010:15 pmCGN - IAD

2 stops24h 23mBritish Airways

Deal found 8/17

$637

Tue 12/98:35 pmBWI - CGN

1 stop13h 55mBritish Airways

Mon 12/155:15 pmCGN - BWI

1 stop31h 30mBritish Airways

Deal found 8/15

$643

Best flights from Washington, D.C. to Cologne
Discover carefully curated flight deals from Washington, D.C. to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Sun 10/267:20 pmIAD - CGN

1 stop16h 10mBritish Airways

Sun 11/24:35 pmCGN - IAD

1 stop33h 20mBritish Airways

Deal found 8/16

$588

Wed 9/31:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Thu 9/182:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 8/16

$617

Tue 12/99:40 amDCA - CGN

2 stops20h 25mAir Canada

Mon 12/156:45 amCGN - DCA

2 stops21h 11mAir Canada

Deal found 8/15

$699

Wed 10/13:00 pmDCA - CGN

2 stops14h 10mUnited Airlines

Wed 10/86:20 amCGN - DCA

2 stops16h 02mUnited Airlines

Deal found 8/17

$1,017

Sun 10/267:45 pmBWI - CGN

2 stops15h 45mBritish Airways

Sun 11/24:35 pmCGN - BWI

2 stops31h 56mBritish Airways

Deal found 8/17

$602

Wed 9/31:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Wed 9/102:50 pmCGN - IAD

1 stop26h 55mTurkish Airlines

Deal found 8/17

$617

Sat 12/1312:53 pmDCA - CGN

2 stops14h 52mBritish Airways

Wed 12/2412:00 pmCGN - DCA

2 stops16h 34mBritish Airways

Deal found 8/16

$602

Wed 9/31:30 pmIAD - CGN

1 stop22h 40mTurkish Airlines

Tue 9/237:10 pmCGN - IAD

1 stop22h 35mTurkish Airlines

Deal found 8/16

$617

Sun 10/265:55 pmDCA - CGN

2 stops17h 35mBritish Airways

Sun 11/24:35 pmCGN - DCA

2 stops29h 36mBritish Airways

Deal found 8/15

$602

Wed 10/14:35 pmDCA - CGN

2 stops18h 30mAir Canada

Wed 10/86:20 amCGN - DCA

2 stops21h 31mAir Canada

Deal found 8/17

$802

Wed 9/32:21 pmIAD - CGN

2 stops24h 39mBritish Airways

Tue 9/239:15 pmCGN - IAD

2 stops23h 45mBritish Airways

Deal found 8/16

$616

Sat 9/63:00 pmBWI - CGN

2 stops23h 50mBritish Airways

Sat 9/2010:20 amCGN - BWI

2 stops18h 48mBritish Airways

Deal found 8/16

$627

Last-minute flights from Washington, D.C. to Cologne
Discover last-minute flight deals from Washington, D.C. to Cologne. Data last updated August 18, 2025 and is based on user searches.

Thu 8/289:05 pmIAD - CGN

3 stops22h 00mMultiple Airlines

Mon 9/15:55 pmCGN - IAD

2 stops27h 25mMultiple Airlines

Deal found 8/16

$1,029

Thu 8/285:55 pmIAD - CGN

1 stop13h 40mBritish Airways

Mon 9/19:15 pmCGN - IAD

2 stops31h 47mBritish Airways

Deal found 8/16

$1,036

Thu 8/283:25 pmDCA - CGN

2 stops16h 10mBritish Airways

Mon 9/19:15 pmCGN - DCA

2 stops32h 03mBritish Airways

Deal found 8/16

$1,040

Thu 8/286:50 pmBWI - CGN

3 stops34h 10mMultiple Airlines

Mon 9/15:55 pmCGN - BWI

3 stops29h 45mMultiple Airlines

Deal found 8/16

$1,262

Thu 8/289:35 pmBWI - CGN

1 stop10h 00mBritish Airways

Mon 9/19:15 pmCGN - BWI

2 stops26h 48mBritish Airways

Deal found 8/16

$1,435

Thu 8/2812:00 pmIAD - CGN

2 stops56h 10mEgyptair

Sun 8/313:10 amCGN - IAD

2 stops32h 00mEgyptair

Deal found 8/16

$2,337

Thu 8/2812:55 pmDCA - CGN

2 stops16h 15mMultiple Airlines

Mon 9/16:20 amCGN - DCA

3 stops32h 39mMultiple Airlines

Deal found 8/16

$2,638

Wed 9/32:21 pmIAD - CGN

2 stops24h 39mBritish Airways

Tue 9/239:15 pmCGN - IAD

2 stops23h 45mBritish Airways

Deal found 8/16

$616

Wed 9/31:30 pmIAD - CGN

1 stop18h 20mTurkish Airlines

Thu 9/1810:30 amCGN - IAD

1 stop31h 15mTurkish Airlines

Deal found 8/17

$617

Wed 9/37:21 pmIAD - CGN

2 stops19h 39mBritish Airways

Wed 9/1010:15 pmCGN - IAD

2 stops24h 23mBritish Airways

Deal found 8/17

$637

Sat 9/63:00 pmBWI - CGN

2 stops23h 50mBritish Airways

Sat 9/2010:20 amCGN - BWI

2 stops18h 48mBritish Airways

Deal found 8/16

$627

Sat 9/67:45 pmDCA - CGN

2 stops19h 05mBritish Airways

Sat 9/2010:20 amCGN - DCA

2 stops15h 40mBritish Airways

Deal found 8/16

$627

One-way flights from Washington, D.C. to Cologne
Search for one-way flight options from Washington, D.C. to Cologne. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Tue 11/184:10 pmDCA - CGN

2 stops13h 55mAir Canada

Deal found 8/16

$430

Tue 11/182:46 pmBWI - CGN

2 stops19h 44mBritish Airways

Deal found 8/16

$435

Tue 11/188:35 pmBWI - CGN

1 stop13h 55mMultiple Airlines

Deal found 8/16

$510

Sat 8/306:35 pmIAD - CGN

2 stops15h 15mUnited Airlines

Deal found 8/16

$569

Sat 8/307:25 pmDCA - CGN

2 stops15h 40mUnited Airlines

Deal found 8/16

$709

Thu 8/219:40 pmIAD - CGN

1 stop14h 30mTurkish Airlines

Deal found 8/17

$779

Fri 8/225:25 pmIAD - CGN

1 stop11h 25mAustrian Airlines

Deal found 8/17

$830

Sat 8/305:30 pmBWI - CGN

2 stops17h 40mUnited Airlines

Deal found 8/16

$1,010

Sun 8/317:20 pmDCA - CGN

2 stops19h 05mBritish Airways

Deal found 8/15

$1,259

Sun 8/318:23 pmIAD - CGN

3 stops56h 32mMultiple Airlines

Deal found 8/16

$1,301

Sun 8/315:55 pmIAD - CGN

1 stop20h 30mBritish Airways

Deal found 8/16

$1,522

Wed 9/310:20 pmIAD - CGN

2 stops16h 55mMultiple Airlines

Deal found 8/16

$1,582

Cheapflights Fare Finder

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

Sun 10/26

7:20 pm-4:30 pm

1 stop16h 10m

Cologne Köln/Bonn

Sun 11/2

4:35 pm-7:55 pm

1 stop33h 20m

$588

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Sun 10/26

7:45 pm-4:30 pm

2 stops15h 45m

Cologne Köln/Bonn

Sun 11/2

4:35 pm-6:31 pm

2 stops31h 56m

$602

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 12/13

12:53 pm-9:45 am

2 stops14h 52m

Cologne Köln/Bonn

Wed 12/24

12:00 pm-10:34 pm

2 stops16h 34m

$602

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sun 10/26

5:55 pm-4:30 pm

2 stops17h 35m

Cologne Köln/Bonn

Sun 11/2

4:35 pm-4:11 pm

2 stops29h 36m

$602

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 9/3

2:21 pm-9:00 pm

2 stops24h 39m

Cologne Köln/Bonn

Tue 9/23

9:15 pm-3:00 pm

2 stops23h 45m

$616

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 9/3

1:30 pm-1:50 pm

1 stop18h 20m

Cologne Köln/Bonn

Thu 9/18

2:50 pm-11:45 am

1 stop26h 55m

$617

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 9/3

1:30 pm-1:50 pm

1 stop18h 20m

Cologne Köln/Bonn

Wed 9/10

2:50 pm-11:45 am

1 stop26h 55m

$617

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 9/3

1:30 pm-6:10 pm

1 stop22h 40m

Cologne Köln/Bonn

Tue 9/23

7:10 pm-11:45 am

1 stop22h 35m

$617

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Sat 9/6

3:00 pm-8:50 pm

2 stops23h 50m

Cologne Köln/Bonn

Sat 9/20

10:20 am-11:08 pm

2 stops18h 48m

$627

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 9/6

7:45 pm-8:50 pm

2 stops19h 05m

Cologne Köln/Bonn

Sat 9/20

10:20 am-8:00 pm

2 stops15h 40m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 45 results

...

Best time to book a flight from Washington, D.C. to Cologne

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

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Cologne (average of $649). Flying from Washington, D.C. to Cologne in June is currently the most expensive (average of $1,252). 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.

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

It’s typically best to fly out from Washington, D.C. to Cologne at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Cologne

Read through reviews of airlines operating flights from Washington, D.C. to Cologne, such as United Airlines, Lufthansa, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,925 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.8

Okay

7,330 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.7

Okay

7,277 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly into for flights to Cologne from Washington, D.C.?
Cologne Köln/Bonn (CGN), located 9.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Cologne. 3 airlines have flights to Köln/Bonn from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Cologne Köln/Bonn should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.
What are the cheapest airlines flying from Washington, D.C. to Cologne round-trip?
Lufthansa, at $584, was found to be the cheapest airline from Washington, D.C. to Cologne.Alternate airlines to your destination round-trip include British Airways and United Airlines. You may be able to fly from Washington, D.C. to Cologne for 33% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Cologne one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $430. Users have also found prices from $435 and $569 on British Airways and United Airlines, respectively.
What are the most popular routes from Washington, D.C. to Cologne?
While some choose either Baltimore/Washington - Cologne Köln/Bonn or Washington, D.C. Reagan-National - Cologne Köln/Bonn, Washington, D.C. Dulles Intl - Cologne Köln/Bonn is the most popular route from Washington, D.C. to Cologne.
Can I find deals for flights from Washington, D.C. to Cologne that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Cologne?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Cologne.
Can I find deals for business class flights from Washington, D.C. to Cologne?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Cologne?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Cologne (average of $649). Flying from Washington, D.C. to Cologne in June is currently the most expensive (average of $1,252). 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 Washington, D.C. to Cologne

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$584	Average$749	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$621	Average$735	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$757	Average$1,249	FlexibilityNo cancel fee	On-time69%

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$289+ Cheap flights from Washington, D.C. (WAS) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Cologne with Cheapflights

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Cheap flight deals from Washington, D.C. to Cologne

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Cheapest in

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Find flight deals from Washington, D.C. to Cologne

Cheapest flights from Washington, D.C. to CologneExplore the most affordable flight options available from Washington, D.C. to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Washington, D.C. to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington, D.C. to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Washington, D.C. with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Washington, D.C. to Cologne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Reviews of airlines servicing Cologne

Read through reviews of airlines operating flights from Washington, D.C. to Cologne, such as United Airlines, Lufthansa, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

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

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

What are the most popular routes from Washington, D.C. to Cologne?

Can I find deals for flights from Washington, D.C. to Cologne that include hotel bookings?

How can I find direct flights from Washington, D.C. to Cologne?

Can I find deals for business class flights from Washington, D.C. to Cologne?

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

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

Top 3 airlines flying from Washington, D.C. to Cologne

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Cheapest flights from Washington, D.C. to Cologne
Explore the most affordable flight options available from Washington, D.C. to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.