Your flight from Cardiff to Washington DC should take about 13 hrs 15 mins. We've gone through all 25 of the weekly flights to or via Washington DC, operated by three airlines, to help you compare flight prices and times.
Air France, KLM & KLM are the most popular airlines for flying from Cardiff to Washington DC. Adjust your search options to look by month, and see how much you could save if you fly during low season.
Washington DC actually has two airports to choose from – but Washington DC Ronald Reagan Washington National Airport (DCA) is the usually the cheapest option. If you need to fly into a specific airport, adjust your search to focus on those flights. The most popular airlines include Air France, KLM & KLM.
But if you can't find one which is right for you, try looking at flights to other cities in the USA to check out some other options.
