Cheap flights from Cardiff to Washington, D.C. from $399

Travelers frequently search for route combinations, such as Cardiff and Milan, London, Edinburgh, Tenerife, Dalaman, Bucharest, Los Angeles, Beijing, Venice, Dallas, Dublin, Boston, Leipzig, Belfast, Granada, Chicago, Palma, Majorca, Nantes, Douglas, Manila.

Travelers frequently search for route combinations, such as Washington, D.C. and Atlanta, Dallas, Orlando, Miami, Tampa, Los Angeles, London, San Salvador, Chicago, Mexico City, Denver, Houston, San Diego, Guadalajara, Fort Lauderdale, Cancún, Charlotte, Las Vegas, Phoenix, San Francisco.

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

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

Currently, you can fly between Cardiff and Washington, D.C. with Ryanair, Air Canada, Air Transat, 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.

There are a number of airports in and around Cardiff. The main one is Cardiff and other nearby airports include Gatwick, Heathrow, London Stansted, Luton, Manchester, Birmingham, Bristol, Liverpool John Lennon, London City, Cornwall Airport Newquay

There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Harrisburg International, Trenton–Mercer, Hagerstown Regional, Charlottesville–Albemarle, Lancaster.