HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cologne

$485+ Cheap flights from Reagan-National (DCA) 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CGN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National 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 Reagan-National to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$681
(Air Canada)

One-way from

$485
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$876
Provider with most accurate pricing for Washington, D.C. Reagan-National-Cologne Köln/Bonn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Cologne Köln/Bonn flights.
Search Deals
From Washington, D.C. Reagan-National to Cologne Köln/Bonn
Search Deals
One-way flight from Washington, D.C. Reagan-National to Cologne Köln/Bonn
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Reagan-National to Cologne

Cheapest flights from Reagan-National to Cologne
Explore the most affordable flight options available from Reagan-National to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Ovago deal was found by Cheapflights users on 10/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:44 pmDCA - CGN
2 stops13h 56mBritish Airways
Sun 11/94:35 pmCGN - DCA
2 stops30h 57mBritish Airways
Deal found 10/28$765
This British Airways deal was found by Cheapflights users on 10/28. 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.
Wed 10/295:59 pmDCA - CGN
2 stops17h 11mBritish Airways
Wed 11/125:15 pmCGN - DCA
2 stops31h 41mBritish Airways
Deal found 10/28$817
This United Airlines deal was found by Cheapflights users on 10/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:30 pmDCA - CGN
2 stops15h 00mMultiple Airlines
Fri 12/59:10 amCGN - DCA
2 stops17h 45mMultiple Airlines
Deal found 10/29$820
This British Airways deal was found by Cheapflights users on 10/29. 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.
Sat 12/136:30 pmDCA - CGN
2 stops15h 10mBritish Airways
Sat 12/2012:40 pmCGN - DCA
2 stops17h 25mBritish Airways
Deal found 10/29$904
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 10/2910:45 pmDCA - CGN
2 stops35h 55mMultiple Airlines
Wed 11/125:15 pmCGN - DCA
2 stops30h 28mMultiple Airlines
Deal found 10/29$1,057
This United Airlines deal was found by Cheapflights users on 10/28. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:10 pmDCA - CGN
2 stops14h 00mUnited Airlines
Fri 12/198:40 amCGN - DCA
2 stops16h 52mUnited Airlines
Deal found 10/28$1,557
This United Airlines deal was found by Cheapflights users on 10/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:00 pmDCA - CGN
2 stops17h 10mUnited Airlines
Sun 12/281:15 pmCGN - DCA
2 stops16h 44mUnited Airlines
Deal found 10/29$2,051

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cologne that are best for you.

Fly from

Reagan-National

Fly to

Cologne

Route

Depart

Return

Price

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 11/6

7:44 pm-3:40 pm

2 stops13h 56m

Cologne Köln/Bonn

Sun 11/9

4:35 pm-5:32 pm

2 stops30h 57m

$765

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Fri 11/28

3:30 pm-12:30 pm

2 stops15h 00m

Cologne Köln/Bonn

Fri 12/5

9:10 am-8:55 pm

2 stops17h 45m

$820

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 12/13

6:30 pm-3:40 pm

2 stops15h 10m

Cologne Köln/Bonn

Sat 12/20

12:40 pm-12:05 am

2 stops17h 25m

$904

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 1/17

6:50 pm-5:10 pm

2 stops16h 20m

Cologne Köln/Bonn

Thu 1/22

8:40 am-7:45 pm

2 stops17h 05m

$1,007

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Fri 12/12

4:10 pm-12:10 pm

2 stops14h 00m

Cologne Köln/Bonn

Fri 12/19

8:40 am-7:32 pm

2 stops16h 52m

$1,557

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Fri 12/19

1:00 pm-12:10 pm

2 stops17h 10m

Cologne Köln/Bonn

Sun 12/28

1:15 pm-11:59 pm

2 stops16h 44m

$2,051

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 11/29

6:07 pm-5:10 pm

2 stops17h 03m

$485

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Tue 11/4

7:00 pm-5:10 pm

2 stops16h 10m

$489

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sun 11/2

3:30 pm-12:10 pm

2 stops14h 40m

$7,224

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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

Have a flexible travel schedule? Discover the best time to fly to Cologne from Reagan-National 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. Reagan-National Airport to Cologne

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

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cologne (average of $611). Flying from Washington, D.C. Reagan-National Airport to Cologne in February is currently the most expensive (average of $1,129). 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    Most people fly into Cologne Köln/Bonn (CGN) if they book a flight to Cologne from Washington, D.C. Reagan-National. On average, Köln/Bonn has 0 inbound flights from Washington, D.C. Reagan-National per day from 0 airlines. Cologne Köln/Bonn is conveniently located just 9.5 mi from Cologne’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Cologne?

    For as low as $765, British Airways can have you in Cologne from Washington, D.C. Reagan-National Airport in 13h 56m. Washington, D.C. Reagan-National Airport and Cologne are separated by a distance of 3974 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Cologne that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Cologne?

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

  • Can I find deals for business class flights from Reagan-National to Cologne?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Cologne?

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cologne (average of $611). Flying from Washington, D.C. Reagan-National Airport to Cologne in February is currently the most expensive (average of $1,129). 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.

Alternative routes for Reagan-National to Cologne

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Frankfurt flights
Dulles Intl to Munich flights
Reagan-National to Frankfurt flights
Baltimore to Frankfurt flights
Baltimore to Munich flights
Reagan-National to Munich flights
Dulles Intl to Berlin flights
Reagan-National to Berlin flights
Baltimore to Berlin flights
Dulles Intl to Hamburg flights
Dulles Intl to Stuttgart flights
Dulles Intl to Duesseldorf Intl flights
Reagan-National to Stuttgart flights
Baltimore to Duesseldorf Intl flights
Baltimore to Stuttgart flights
Reagan-National to Hamburg flights
Baltimore to Hamburg flights
Reagan-National to Duesseldorf Intl flights
Dulles Intl to Cologne flights
Dulles Intl to Nuremberg flights
Dulles Intl to Dresden flights
Reagan-National to Nuremberg flights
Dulles Intl to Hannover flights
Baltimore to Frankfurt-Hahn flights
Baltimore to Nuremberg flights
Baltimore to Cologne flights
Reagan-National to Hannover flights
Dulles Intl to Bremen flights
Baltimore to Hannover flights
Baltimore to Bremen flights
Dulles Intl to Weeze flights
Reagan-National to Dresden flights
Baltimore to Dresden flights
Baltimore to Münster flights
Dulles Intl to Leipzig flights
Baltimore to Saarbruecken flights
Dulles Intl to Friedrichshafen flights
Baltimore to Leipzig flights
Dulles Intl to Karlsruhe flights
Baltimore to Friedrichshafen flights
Baltimore to Memmingen flights
Baltimore to Dortmund flights
Dulles Intl to Dortmund flights

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.