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$789+ Cheap flights from Reagan-National (DCA) to Cardiff (CWL)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CWL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Reagan-National to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Cardiff (CWL). 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 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$789
(Delta)
Provider with most accurate pricing for Washington, D.C. (WAS)-Cardiff Wales flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cardiff Wales flights.
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From Washington, D.C. Reagan-National to Cardiff Wales
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Find flight deals from Reagan-National to Cardiff

Cheapest flights from Reagan-National to Cardiff
Explore the most affordable flight options available from Reagan-National to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:59 amDCA - CWL
2 stops19h 51mDelta
Sun 12/710:20 amCWL - DCA
2 stops17h 48mDelta
Deal found 10/27$789
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:35 pmDCA - CWL
2 stops17h 10mKLM
Wed 11/1210:20 amCWL - DCA
2 stops18h 38mKLM
Deal found 10/29$836
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:13 amDCA - CWL
2 stops17h 37mDelta
Fri 12/1910:20 amCWL - DCA
2 stops17h 37mDelta
Deal found 10/28$1,069
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amDCA - CWL
3 stops28h 40mMultiple Airlines
Thu 12/1810:30 amCWL - DCA
2 stops14h 15mMultiple Airlines
Deal found 10/27$1,459
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amDCA - CWL
3 stops32h 40mMultiple Airlines
Fri 12/1910:25 pmCWL - DCA
3 stops26h 20mMultiple Airlines
Deal found 10/28$2,081

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Cardiff 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 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cardiff that are best for you.

Fly from

Reagan-National

Fly to

Cardiff

Route

Depart

Return

Price

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Wed 12/3

1:15 pm-4:55 pm

2 stops22h 40m

Cardiff Wales

Sun 12/7

10:20 am-10:57 pm

2 stops17h 37m

$789

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 12/11

12:15 pm-9:50 am

2 stops16h 35m

Cardiff Wales

Thu 12/18

10:20 am-10:57 pm

2 stops17h 37m

$789

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 12/12

11:13 am-9:50 am

2 stops17h 37m

Cardiff Wales

Fri 12/19

10:20 am-10:57 pm

2 stops17h 37m

$1,069

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sun 1/4

12:00 pm-9:50 am

2 stops16h 50m

Cardiff Wales

Sun 1/11

10:15 am-10:48 pm

2 stops17h 33m

$1,081

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 12/11

6:00 am-3:40 pm

3 stops28h 40m

Cardiff Wales

Thu 12/18

10:30 am-7:45 pm

2 stops14h 15m

$1,459

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 12/12

6:00 am-7:40 pm

3 stops32h 40m

Cardiff Wales

Fri 12/19

10:25 pm-7:45 pm

3 stops26h 20m

$2,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Reagan-National to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff 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 Cardiff

What is the cheapest time of day to fly from DCA to CWL?

Find hourly flight availability from Reagan-National to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s optimal to fly from Washington, D.C. Reagan-National Airport to Cardiff at noon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Cardiff. 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 Cardiff from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Cardiff, you will be flying into Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city. Cardiff Wales is the only Cardiff airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Cardiff Wales from Washington, D.C. Reagan-National on a regular basis.

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

    Delta can get you from Washington, D.C. Reagan-National Airport to Cardiff in just under 22h 40m. Your travel time can differ by up to . Airlines will cover a distance of 3535 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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