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Cologne

$416+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CGN
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
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 August 13, 2025.

Round-trip from

$601
(Ovago)

One-way from

$416
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$751
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. 18% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 13, 2025.

This Ovago deal was found by Cheapflights users on 8/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:10 pmDCA - CGN
2 stops20h 20mBritish Airways
Sun 11/24:35 pmCGN - DCA
2 stops29h 36mBritish Airways
Deal found 8/11$601
This oojo deal was found by Cheapflights users on 8/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:24 pmDCA - CGN
2 stops34h 21mBritish Airways
Fri 12/124:35 pmCGN - DCA
2 stops33h 20mBritish Airways
Deal found 8/10$609
This Gotogate deal was found by Cheapflights users on 8/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:40 amDCA - CGN
2 stops19h 30mAir Canada
Wed 10/17:40 amCGN - DCA
2 stops14h 11mAir Canada
Deal found 8/10$616
This Ovago deal was found by Cheapflights users on 8/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:24 pmDCA - CGN
2 stops22h 01mBritish Airways
Tue 9/169:15 pmCGN - DCA
2 stops25h 39mBritish Airways
Deal found 8/11$631
This Expedia deal was found by Cheapflights users on 8/10. 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.
Wed 9/37:23 pmDCA - CGN
2 stops19h 37mBritish Airways
Tue 9/99:15 pmCGN - DCA
2 stops25h 14mBritish Airways
Deal found 8/10$636
This Air Canada deal was found by Cheapflights users on 8/10. 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 10/18:40 pmDCA - CGN
2 stops14h 25mAir Canada
Wed 10/87:40 amCGN - DCA
2 stops14h 11mAir Canada
Deal found 8/10$656
This Ovago deal was found by Cheapflights users on 8/10. 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 9/113:35 pmDCA - CGN
2 stops16h 00mBritish Airways
Sat 9/2710:20 amCGN - DCA
2 stops18h 47mBritish Airways
Deal found 8/10$657
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:35 pmDCA - CGN
2 stops16h 00mBritish Airways
Thu 9/189:55 pmCGN - DCA
2 stops24h 59mBritish Airways
Deal found 8/12$658
This Ovago deal was found by Cheapflights users on 8/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:23 pmDCA - CGN
2 stops19h 37mBritish Airways
Mon 9/299:15 pmCGN - DCA
2 stops25h 39mBritish Airways
Deal found 8/11$661
This British Airways deal was found by Cheapflights users on 8/12. 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.
Sat 8/307:00 pmDCA - CGN
2 stops19h 50mBritish Airways
Tue 9/309:15 pmCGN - DCA
2 stops25h 39mBritish Airways
Deal found 8/12$666
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:55 pmDCA - CGN
3 stops25h 40mMultiple Airlines
Tue 9/306:25 amCGN - DCA
3 stops21h 26mMultiple Airlines
Deal found 8/12$698

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 August 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

Sun 10/26

3:10 pm-4:30 pm

2 stops20h 20m

Cologne Köln/Bonn

Sun 11/2

4:35 pm-4:11 pm

2 stops29h 36m

$601

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sat 9/13

5:24 pm-9:45 am

2 stops34h 21m

Cologne Köln/Bonn

Fri 12/12

4:35 pm-7:55 pm

2 stops33h 20m

$609

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Wed 9/24

9:40 am-11:10 am

2 stops19h 30m

Cologne Köln/Bonn

Wed 10/1

7:40 am-3:51 pm

2 stops14h 11m

$616

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Tue 9/9

5:24 pm-9:25 pm

2 stops22h 01m

Cologne Köln/Bonn

Tue 9/16

9:15 pm-4:54 pm

2 stops25h 39m

$631

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 9/11

3:35 pm-1:35 pm

2 stops16h 00m

Cologne Köln/Bonn

Mon 9/22

9:15 pm-4:29 pm

2 stops25h 14m

$631

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Tue 10/14

7:45 pm-9:25 pm

2 stops19h 40m

Cologne Köln/Bonn

Tue 10/21

9:15 pm-6:27 pm

2 stops27h 12m

$636

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Wed 9/3

7:23 pm-9:00 pm

2 stops19h 37m

Cologne Köln/Bonn

Tue 9/9

9:15 pm-4:29 pm

2 stops25h 14m

$636

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Wed 10/1

8:40 pm-5:05 pm

2 stops14h 25m

Cologne Köln/Bonn

Wed 10/8

7:40 am-3:51 pm

2 stops14h 11m

$656

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 9/11

3:35 pm-1:35 pm

2 stops16h 00m

Cologne Köln/Bonn

Sat 9/27

10:20 am-11:07 pm

2 stops18h 47m

$657

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 9/11

3:35 pm-1:35 pm

2 stops16h 00m

Cologne Köln/Bonn

Thu 9/18

9:55 pm-4:54 pm

2 stops24h 59m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 15 results
1
2

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.

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 August 13, 2025.
See what other customers who have flown with Lufthansa from Washington, D.C. Reagan-National Airport to Cologne have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,317 reviews

Crew

7.6

Boarding

7.0

Entertainment

6.4

Food

6.3

Comfort

6.8

Overall

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,317 reviews
Lufthansa
6.8
Okay
7,317 reviews

Crew

7.6

Boarding

7.0

Entertainment

6.4

Food

6.3

Comfort

6.8

Overall

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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 1 airline. Cologne Köln/Bonn is conveniently located just 9.5 mi from Cologne’s city center.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cologne (average of $649). Flying from Washington, D.C. Reagan-National Airport 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

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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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Top airline flying from Reagan-National to Cologne

Discover the top airline that operate flights from Reagan-National 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$585Average$693FlexibilityNo cancel feeOn-time76%

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