Find cheap flights from Washington, D.C. to Cardiff from £340

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Cardiff was £422 for a one-way ticket and £985 for a return.

When flying out of Washington, D.C. you will be using Washington, D.C. Dulles Intl. You will be landing at Cardiff, also known as Cardiff Wales.

We unfortunately don’t have that data for this specific route.

SkyTeam, and oneworld are the airline alliances operating flights between Washington, D.C. and Cardiff, with SkyTeam being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Cardiff.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Cardiff with an airline and back to Washington, D.C. with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cardiff from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.