$626 Cheap Flights from Belfast (BHD) to Washington (IAD)

View $626 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Belfast (BHD-George Best Belfast City) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Belfast to Washington (BHD-IAD)

Prices were available within the past 7 days and start at $626 for one-way flights and $932 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$932 Roundtrip, found 6 days ago
$932
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $932 found 6 days ago
British Airways
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$942 Roundtrip, found 6 days ago
$942
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $942 found 6 days ago
British Airways
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$942 Roundtrip, found 6 days ago
$942
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $942 found 6 days ago
British Airways
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$952 Roundtrip, found 6 days ago
$952
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $952 found 6 days ago
Finnair
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$966 Roundtrip, found 6 days ago
$966
Roundtrip
found 6 days ago
Select Finnair flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $966 found 6 days ago
British Airways
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$970 Roundtrip, found 6 days ago
$970
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $970 found 6 days ago
British Airways
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$972 Roundtrip, found 6 days ago
$972
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $972 found 6 days ago
Virgin Atlantic
Mon, Nov 24 - Mon, Dec 1
BHD
Belfast
IAD
Washington
$977 Roundtrip, found 6 days ago
$977
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Mon, Nov 24 from Belfast to Washington, returning Mon, Dec 1, priced at $977 found 6 days ago
American Airlines
Sat, Jun 6 - Tue, Jun 9
BHD
Belfast
IAD
Washington
$1,175 Roundtrip, found 3 days ago
$1,175
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jun 6 from Belfast to Washington, returning Tue, Jun 9, priced at $1,175 found 3 days ago
Aer Lingus
Thu, Nov 13 - Wed, Nov 19
BHD
Belfast
IAD
Washington
$1,190 Roundtrip, found 2 days ago
$1,190
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Nov 13 from Belfast to Washington, returning Wed, Nov 19, priced at $1,190 found 2 days ago

Frequently asked questions

How much does a flight from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $626 or cheap return flight from $932 from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD)?
November is the least expensive month to fly from BHD to IAD. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BHD to IAD flight.
How many flights per day from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD)?
You'll need to take a flight with a layover if you're traveling from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BHD to IAD?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD)?
To land at Washington Dulles Intl. Airport (IAD) without delays, book a flight that takes off from George Best Belfast City Airport (BHD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book a ticket from BHD to IAD often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a BHD to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a BHD to IAD flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from George Best Belfast City Airport (BHD) to Washington Dulles Intl. Airport (IAD)?
Typically, you can modify or cancel your BHD to IAD flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
George Best Belfast City
Destination airport
Washington Dulles Intl.
Airlines serving
British Airways
Roundtrip price
$932
Distance
3391 mi

Book with confidence

Belfast to Washington Flights

The cheapest times to fly from Belfast to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Belfast to Washington are during the month of November. You can find some of the cheapest flights from Belfast to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Belfast to Washington

Sunday is one of the best days to book for cheap flights from Belfast to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Belfast to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Belfast to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $626 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Belfast to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Belfast to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Belfast to Washington Flights

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*Available to One Key members.