Looking for the price of a flight from Belfast to Washington Dulles?

There’s no fixed price — fares between Belfast and Washington can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Flying between Belfast and Washington? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Belfast: You can fly from either Belfast - International or City.
• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Belfast airports in a single search.

Refine your flight search from Belfast to Washington Dulles

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.