Cheap flights from Cardiff, United Kingdom to Washington, D.C., United States

Travelers frequently search for route combinations, such as Cardiff and Dublin, London, Rome, Boston, New York, Edinburgh, San Francisco, Copenhagen, Valencia, Muscat, Budapest, Lisbon, Cairo, Tenerife, Douglas, Dallas, Los Angeles, Belfast, Reykjavik, Manila.

Travelers frequently search for route combinations, such as Washington, D.C. and Denver, San Francisco, Orlando, Los Angeles, Las Vegas, Atlanta, Austin, Salt Lake City, Phoenix, London, Fort Lauderdale, Chicago, San Diego, Houston, Seattle, New Orleans, Boston, Paris, Dallas, Tampa.

The main airport in Cardiff is Cardiff. It is also served by Gatwick, Heathrow, Luton, Manchester, London Stansted, Birmingham, Bristol, London City, Liverpool John Lennon, Southampton.

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Trenton–Mercer, Lehigh Valley International, Harrisburg International, Shenandoah Valley Regional, Charlottesville–Albemarle, Lancaster.

Yes, it's possible to combine different modes of transport between Cardiff and Washington, D.C. thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Cardiff and Washington, D.C. can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Cardiff and Washington, D.C. with easyJet, Aer Lingus, Play, Vueling, JetBlue Airways.

If you don’t have specific dates for your trip between Cardiff and Washington, D.C., you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Cardiff and Washington, D.C., you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.