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$629+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CGN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$736
(British Airways)

One-way from

$629
(British Airways)

Popular in

December

Cheapest in

November

Average price

$512
Provider with most accurate pricing for Washington, D.C. Reagan-National-Cologne Köln/Bonn flight deals.
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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
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One-way flight from Washington, D.C. Reagan-National to Cologne Köln/Bonn
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Highest demand for flights based on searches. 15% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($85 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/11. 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.
Mon 11/174:23 pmDCA - CGN
2 stops14h 27mUnited Airlines
Sun 11/231:15 pmCGN - DCA
2 stops16h 44mUnited Airlines
Deal found 11/11$694
This British Airways deal was found by Cheapflights users on 11/12. 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.
Mon 12/296:26 pmDCA - CGN
2 stops33h 44mBritish Airways
Thu 1/295:05 pmCGN - DCA
2 stops34h 25mBritish Airways
Deal found 11/12$736
This British Airways deal was found by Cheapflights users on 11/12. 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.
Mon 12/296:26 pmDCA - CGN
2 stops33h 44mBritish Airways
Fri 1/304:35 pmCGN - DCA
2 stops36h 12mBritish Airways
Deal found 11/12$742
This British Airways deal was found by Cheapflights users on 11/12. 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.
Mon 12/296:26 pmDCA - CGN
2 stops33h 44mBritish Airways
Sat 1/315:10 pmCGN - DCA
2 stops31h 44mBritish Airways
Deal found 11/12$761
This British Airways deal was found by Cheapflights users on 11/13. 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.
Mon 12/298:46 pmDCA - CGN
2 stops31h 24mBritish Airways
Wed 1/285:15 pmCGN - DCA
2 stops31h 39mBritish Airways
Deal found 11/13$785
This Air Canada deal was found by Cheapflights users on 11/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:10 pmDCA - CGN
2 stops14h 00mAir Canada
Mon 12/16:55 pmCGN - DCA
2 stops33h 01mAir Canada
Deal found 11/13$838
This Expedia deal was found by Cheapflights users on 11/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:25 pmDCA - CGN
2 stops14h 15mBritish Airways
Fri 1/304:35 pmCGN - DCA
2 stops35h 23mBritish Airways
Deal found 11/12$883
This British Airways deal was found by Cheapflights users on 11/13. 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.
Tue 12/301:44 pmDCA - CGN
2 stops14h 26mBritish Airways
Wed 1/75:15 pmCGN - DCA
2 stops35h 22mBritish Airways
Deal found 11/13$901
This British Airways deal was found by Cheapflights users on 11/13. 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 12/243:25 pmDCA - CGN
2 stops36h 50mBritish Airways
Mon 2/25:15 pmCGN - DCA
2 stops31h 29mBritish Airways
Deal found 11/13$905

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 November 13, 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

Mon 11/17

4:23 pm-12:50 pm

2 stops14h 27m

Cologne Köln/Bonn

Sun 11/23

1:15 pm-11:59 pm

2 stops16h 44m

$694

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 12/29

6:26 pm-10:10 am

2 stops33h 44m

Cologne Köln/Bonn

Tue 1/27

5:05 pm-5:08 pm

2 stops30h 03m

$736

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 12/29

6:26 pm-10:10 am

2 stops33h 44m

Cologne Köln/Bonn

Wed 1/28

5:15 pm-6:54 pm

2 stops31h 39m

$736

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 12/29

6:26 pm-10:10 am

2 stops33h 44m

Cologne Köln/Bonn

Mon 2/2

5:15 pm-6:54 pm

2 stops31h 39m

$736

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 12/29

6:26 pm-10:10 am

2 stops33h 44m

Cologne Köln/Bonn

Fri 1/30

4:35 pm-10:47 pm

2 stops36h 12m

$742

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 12/29

6:26 pm-10:10 am

2 stops33h 44m

Cologne Köln/Bonn

Sat 1/31

5:10 pm-6:54 pm

2 stops31h 44m

$761

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 12/29

6:26 pm-10:10 am

2 stops33h 44m

Cologne Köln/Bonn

Thu 1/29

5:05 pm-9:30 pm

2 stops34h 25m

$785

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Wed 11/19

4:10 pm-12:10 pm

2 stops14h 00m

Cologne Köln/Bonn

Mon 12/1

6:55 pm-9:56 pm

2 stops33h 01m

$838

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 11/24

5:45 pm-4:10 pm

2 stops16h 25m

$629

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 12/20

6:59 am-5:10 pm

2 stops28h 11m

$1,221

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

  • 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.

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 $694, United Airlines can have you in Cologne from Washington, D.C. Reagan-National Airport in 14h 27m. 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.

See more FAQs

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Alternative routes for Reagan-National to Cologne

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