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Cheap flights from Cardiff to Washington, D.C. Reagan-National Airport from £807

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — DCA
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Reagan-National
Explore the most affordable flight options available from Cardiff to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Thu 30/409:45
CWL
-
DCA
2 stops17h 56m
Delta
Thu 7/511:00
DCA
-
CWL
2 stops17h 15m
Delta
Deal found 16/3£807
Mon 13/409:45
CWL
-
DCA
2 stops18h 05m
Delta
Mon 20/411:00
DCA
-
CWL
2 stops17h 15m
Delta
Deal found 15/3£808
Sun 3/509:50
CWL
-
DCA
2 stops36h 40m
Virgin Atlantic
Sun 10/508:30
DCA
-
CWL
2 stops19h 45m
Virgin Atlantic
Deal found 19/3£851
Thu 30/417:15
CWL
-
DCA
3 stops34h 13m
Multiple Airlines
Thu 7/518:55
DCA
-
CWL
3 stops22h 25m
Multiple Airlines
Deal found 16/3£1,049

Find flight deals from Cardiff to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Reagan-National (DCA). 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 20 March 2026.

Round-trip from

£807
Delta
  • Delta
  • 30/4-7/5
  • 4 total stops
  • 35h 11m total
  • Cardiff to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Reagan-National 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 858,174 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from Cardiff to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 30/4

09:45-22:41

2 stops17h 56m

Washington, D.C. Reagan-National

Thu 7/5

11:00-09:15

2 stops17h 15m

£807

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 13/4

09:45-22:50

2 stops18h 05m

Washington, D.C. Reagan-National

Mon 20/4

11:00-09:15

2 stops17h 15m

£808

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sun 3/5

09:50-17:30

2 stops36h 40m

Washington, D.C. Reagan-National

Sun 10/5

08:30-09:15

2 stops19h 45m

£851

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 30/4

17:15-18:13

2 stops29h 58m

Washington, D.C. Reagan-National

Thu 7/5

06:00-09:15

3 stops22h 15m

£1,121

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Sorted by cheapest first

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Cardiff with our price prediction graph.
Estimated return 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 Cardiff to Reagan-National. 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 from for flights from Cardiff to Washington, D.C. Reagan-National?

    For a flight from Cardiff to Washington, D.C. Reagan-National, you will be flying from 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 outbound flights to Washington, D.C. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from Cardiff Wales on a regular basis.

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

    There are many flights that can get you from Cardiff to Washington, D.C. Reagan-National Airport in 17h 56m. Fly via Delta or Virgin Atlantic to get the fastest option. Airlines will cover a distance of 3535 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Reagan-National 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

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria
College Park

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