Cologne

$636+ Cheap flights from Washington, D.C. (WAS) to Cologne (CGN)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CGN
Apr 2 — Apr 91
We work with more than 300 partners to bring you better travel deals

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

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Cologne (CGN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$641
(British Airways)

Popular in

December

Cheapest in

February

Average price

$805
Provider with most accurate pricing for Washington, D.C. (WAS)-Cologne Köln/Bonn flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cologne Köln/Bonn flights.
From Washington, D.C. (WAS) to Cologne Köln/Bonn
Highest demand for flights based on searches. 5% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 28, 2025.

This British Airways deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:45 pmDCA - CGN
2 stops17h 40mBritish Airways
Sun 11/212:25 pmCGN - DCA
2 stops16h 08mBritish Airways
Deal found 3/27$636
This British Airways deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:20 pmBWI - CGN
1 stop17h 05mBritish Airways
Sun 9/1410:15 amCGN - BWI
1 stop15h 20mBritish Airways
Deal found 3/26$641
This British Airways deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:50 pmIAD - CGN
1 stop20h 35mBritish Airways
Sun 9/149:35 pmCGN - IAD
1 stop24h 25mBritish Airways
Deal found 3/26$641
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:35 pmIAD - CGN
2 stops14h 30mMultiple Airlines
Sun 11/21:25 pmCGN - IAD
1 stop12h 40mMultiple Airlines
Deal found 3/27$672
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:20 pmIAD - CGN
1 stop11h 10mLufthansa
Sun 11/29:10 amCGN - IAD
1 stop16h 55mLufthansa
Deal found 3/27$681
This Booking.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:35 pmDCA - CGN
2 stops18h 30mAir Canada
Wed 9/177:40 amCGN - DCA
2 stops19h 26mAir Canada
Deal found 3/26$689
This Booking.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:37 pmIAD - CGN
2 stops17h 28mAir Canada
Wed 9/177:40 amCGN - IAD
2 stops19h 21mAir Canada
Deal found 3/26$689
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:20 pmBWI - CGN
1 stop18h 05mMultiple Airlines
Wed 9/1710:15 pmCGN - BWI
1 stop27h 20mMultiple Airlines
Deal found 3/26$690
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:02 pmIAD - CGN
2 stops18h 23mAmerican Airlines
Sun 5/1810:15 amCGN - IAD
1 stop13h 10mAmerican Airlines
Deal found 3/27$692
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:17 pmBWI - CGN
2 stops18h 08mAmerican Airlines
Sun 5/1810:15 amCGN - BWI
2 stops17h 50mAmerican Airlines
Deal found 3/27$702
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:49 pmDCA - CGN
2 stops20h 36mAmerican Airlines
Sun 5/1810:15 amCGN - DCA
2 stops18h 05mAmerican Airlines
Deal found 3/27$702
This United deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:45 pmIAD - CGN
2 stops14h 25mUnited Airlines
Sun 11/29:10 amCGN - IAD
2 stops41h 55mUnited Airlines
Deal found 3/27$716

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Cologne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Cologne that are best for you.

Fly from

Washington, D.C.

Fly to

Cologne

Route

Depart

Return

Price

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Sun 9/7

9:20 pm-8:25 pm

1 stop17h 05m

Cologne Köln/Bonn

Sun 9/14

10:15 am-7:35 pm

1 stop15h 20m

$641

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 9/7

5:50 pm-8:25 pm

1 stop20h 35m

Cologne Köln/Bonn

Sun 9/14

9:35 pm-4:00 pm

1 stop24h 25m

$641

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Tue 9/9

4:35 pm-5:05 pm

2 stops18h 30m

Cologne Köln/Bonn

Wed 9/17

7:40 am-9:06 pm

2 stops19h 26m

$689

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 9/9

5:37 pm-5:05 pm

2 stops17h 28m

Cologne Köln/Bonn

Wed 9/17

7:40 am-9:01 pm

2 stops19h 21m

$689

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Tue 9/9

9:20 pm-9:25 pm

1 stop18h 05m

Cologne Köln/Bonn

Wed 9/17

10:15 pm-7:35 pm

1 stop27h 20m

$690

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Sun 5/11

8:02 pm-8:25 pm

2 stops18h 23m

Cologne Köln/Bonn

Sun 5/18

10:15 am-5:25 pm

1 stop13h 10m

$692

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Sun 5/11

8:17 pm-8:25 pm

2 stops18h 08m

Cologne Köln/Bonn

Sun 5/18

10:15 am-10:05 pm

2 stops17h 50m

$702

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sun 5/11

5:49 pm-8:25 pm

2 stops20h 36m

Cologne Köln/Bonn

Sun 5/18

10:15 am-10:20 pm

2 stops18h 05m

$702

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Tue 9/9

5:11 pm-5:10 pm

2 stops17h 59m

Cologne Köln/Bonn

Wed 9/17

6:05 am-8:57 pm

2 stops20h 52m

$717

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 5/15

11:40 am-1:35 pm

2 stops19h 55m

Cologne Köln/Bonn

Tue 5/27

9:15 pm-3:55 pm

2 stops24h 40m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 18 results
1
2

Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Cologne in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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.-Cologne flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Cologne flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Cologne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Cologne flights, Cheapflights users trust FlightHub the most. FlightHub 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.-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 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 $1,466). 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?

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 March 28, 2025.

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.

Rainfall in Cologne by month

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

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

Get insights into the airlines that provide service to Cologne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cologne. Reviews last updated March 28, 2025.
Read reviews from past customers who have flown SWISS, United Airlines and Turkish Airlines from Washington, D.C. to Cologne. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Crew

8.2

Food

7.0

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Crew

8.2

Food

7.0

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Crew

8.2

Food

7.0

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Crew

8.2

Food

7.0

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Crew

8.2

Food

7.0

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Crew

8.2

Food

7.0

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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.?

    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. 2 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?

    British Airways, at $641, was found to be the cheapest airline from Washington, D.C. to Cologne.Alternate airlines to your destination round-trip include Air Canada and American Airlines. You may be able to fly from Washington, D.C. to Cologne for 28% less than the average price by searching for these airlines.

  • 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?

    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 $1,466). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Washington, D.C. to Cologne

Discover the top 2 airlines that operate flights from Washington, D.C. to Cologne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$584Average$742FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$757Average$1,366FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.