$262 Cheap Flights from Washington (IAD) to Belfast (BHD)

View $262 flight on Mon, Aug 10, 2026Opens in a new window

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

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Cheap Flights from Washington to Belfast (IAD-BHD)

Prices were available within the past 7 days and start at $262 for one-way flights and $683 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Apr 13 - Sun, Apr 26
IAD
Washington
BHD
Belfast
$683 Roundtrip, found 1 day ago
$683
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Apr 13 from Washington to Belfast, returning Sun, Apr 26, priced at $683 found 1 day ago
British Airways
Thu, Sep 17 - Sun, Sep 20
IAD
Washington
BHD
Belfast
$684 Roundtrip, found 2 days ago
$684
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Sep 17 from Washington to Belfast, returning Sun, Sep 20, priced at $684 found 2 days ago
American Airlines
Fri, Apr 24 - Sun, May 3
IAD
Washington
BHD
Belfast
$687 Roundtrip, found 2 days ago
$687
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Apr 24 from Washington to Belfast, returning Sun, May 3, priced at $687 found 2 days ago
Virgin Atlantic
Sun, Mar 8 - Tue, Mar 17
IAD
Washington
BHD
Belfast
$689 Roundtrip, found 5 days ago
$689
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Sun, Mar 8 from Washington to Belfast, returning Tue, Mar 17, priced at $689 found 5 days ago
Virgin Atlantic
Tue, Mar 10 - Sun, Mar 15
IAD
Washington
BHD
Belfast
$692 Roundtrip, found 20 hours ago
$692
Roundtrip
found 20 hours ago
Select Virgin Atlantic flight, departing Tue, Mar 10 from Washington to Belfast, returning Sun, Mar 15, priced at $692 found 20 hours ago
American Airlines
Fri, May 8 - Sun, May 17
IAD
Washington
BHD
Belfast
$692 Roundtrip, found 1 day ago
$692
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, May 8 from Washington to Belfast, returning Sun, May 17, priced at $692 found 1 day ago
American Airlines
Fri, Sep 18 - Mon, Sep 21
IAD
Washington
BHD
Belfast
$693 Roundtrip, found 2 days ago
$693
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Sep 18 from Washington to Belfast, returning Mon, Sep 21, priced at $693 found 2 days ago
British Airways
Fri, May 8 - Sun, May 17
IAD
Washington
BHD
Belfast
$694 Roundtrip, found 1 day ago
$694
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, May 8 from Washington to Belfast, returning Sun, May 17, priced at $694 found 1 day ago
KLM
Tue, Mar 17 - Tue, Mar 24
IAD
Washington
BHD
Belfast
$745 Roundtrip, found 2 days ago
$745
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Mar 17 from Washington to Belfast, returning Tue, Mar 24, priced at $745 found 2 days ago
Delta
Mon, Nov 2 - Thu, Nov 12
IAD
Washington
BHD
Belfast
$751 Roundtrip, found 8 hours ago
$751
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Nov 2 from Washington to Belfast, returning Thu, Nov 12, priced at $751 found 8 hours ago

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Alternative airports near Belfast

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Best Belfast City BHD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $952
BHD
George Best Belfast City
CheapestClosest
Average driving time to city center6 min
Flights from $952

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD) cost?
Get a cheap one-way flight from $262 or cheap return flight from $683 from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD)?
Planning your getaway for April may help you find better deals, as it's the cheapest month for flights between IAD and BHD. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD)?
To find the cheapest airline that'll fly you from IAD to BHD, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD)?
Direct flights from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to BHD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD)?
To land at George Best Belfast City Airport (BHD) on schedule, choose a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood 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 Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD) last-minute?
Last-minute bookings from IAD to BHD are generally more expensive. To secure the best prices, start looking for flights early. That said, if you're flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book an IAD to BHD flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to BHD flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of planning your trip. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to George Best Belfast City Airport (BHD)?
In most instances, you're able to cancel or reschedule your IAD to BHD flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
George Best Belfast City
Airlines serving
Aer Lingus, American Airlines, British Airways, Delta, Finnair, KLM, Virgin Atlantic
Roundtrip price
$683
Distance
3391 mi

Book with confidence

Washington to Belfast Flights

The cheapest times to fly from Washington to Belfast

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 Washington to Belfast are during the month of April. You can find some of the cheapest flights from Washington to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Belfast

Sunday is one of the best days to book for cheap flights from Washington to Belfast: 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 Washington to Belfast

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 Washington to Belfast in 2026. You can also book with separate airlines for your outbound and return journeys, from $262 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 Washington to Belfast 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 Washington to Belfast 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.

 

Washington to Belfast Flights

*Flight schedules are subject to change.

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