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Cardiff

$826+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CWL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$826
(KLM)
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 July 30, 2025.

This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:55 pmDCA - CWL
2 stops14h 20mKLM
Tue 9/169:50 amCWL - DCA
2 stops14h 09mKLM
Deal found 7/28$826
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:11 amDCA - CWL
2 stops18h 04mDelta
Sun 8/319:50 amCWL - DCA
2 stops18h 09mDelta
Deal found 7/29$841
This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/32:55 pmDCA - CWL
2 stops13h 20mMultiple Airlines
Sun 9/79:50 amCWL - DCA
2 stops15h 57mMultiple Airlines
Deal found 7/28$842

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 July 30, 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

Tue 9/9

1:55 pm-9:15 am

2 stops14h 20m

Cardiff Wales

Tue 9/16

9:50 am-6:59 pm

2 stops14h 09m

$826

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 8/23

10:11 am-9:15 am

2 stops18h 04m

Cardiff Wales

Sun 8/31

9:50 am-10:59 pm

2 stops18h 09m

$841

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Wed 9/3

2:55 pm-9:15 am

2 stops13h 20m

Cardiff Wales

Sun 9/7

9:50 am-8:47 pm

2 stops15h 57m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 30, 2025.

When flying from Washington, D.C. Reagan-National Airport to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta and KLM from Washington, D.C. Reagan-National Airport to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cardiff (average of $773). Flying from Washington, D.C. Reagan-National Airport to Cardiff in June is currently the most expensive (average of $1,622). 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.

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