What’s the cost of a flight from Cardiff to Washington?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Cardiff and Washington.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Planning flights between Cardiff and Washington? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Cardiff: Cardiff is the only airport in this city.
• Airports in Washington: Washington features 3 airports - Dulles international, Ronald Reagan, Washington International.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Compare flights from Cardiff to Washington with advanced filters

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If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.