How much is a ticket from Washington Dulles to Belfast?

Depending on when you travel and how far in advance you book, fares between Washington and Belfast can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Exploring all airports near Washington and Belfast

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in Washington: 3 different airports operate in Washington - Dulles international, Ronald Reagan, Washington International.
• Airports in Belfast: Try also checking City along with Belfast - International.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Smart ways to search flights from Washington Dulles to Belfast

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like Easyjet, Ryanair, British Airways, and more.

Other popular destinations

Flying to United Kingdom? Other travelers also searched: Edinburgh, Glasgow, London, Manchester, Newquay.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.