How much is a ticket from Washington Dulles to Belfast?

Flight prices from Washington to Belfast change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Flying from or to Washington and Belfast? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Washington: You have 3 departure options - Dulles international, Ronald Reagan, Washington International.
• Airports in Belfast: City is a secondary arrival airport.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Adjust your flight filters for Washington Dulles – Belfast

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to United Kingdom? These cities are popular too: Edinburgh, Glasgow, London, Manchester, Newquay.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.