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$752+ Cheap flights from Belfast City (BHD) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SEA
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Belfast City to Washington

Keep the following information in mind while searching for Belfast City to Washington flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$752
(American Airlines)

Popular in

November

Cheapest in

May

Average price

$751
From Belfast City to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Belfast City to Washington

Cheapest flights from Belfast City to Washington
Explore the most affordable flight options available from Belfast City to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Netflights deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:55 amBHD - SEA
2 stops18h 55mAer Lingus
mié. 9/247:35 pmSEA - BHD
2 stops14h 05mAer Lingus
Deal found 9/13$1,152
This Netflights deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:40 amBHD - SEA
1 stop12h 55mBritish Airways
mié. 9/241:30 pmSEA - BHD
1 stop16h 00mBritish Airways
Deal found 9/12$1,202

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belfast City to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Belfast City Airport to Washington that are best for you.

Fly from

Belfast City

Fly to

Washington

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

10:40 am-4:55 pm

1 stop14h 15m

Seattle/Tacoma Intl

lun. 3/9

1:48 pm-2:15 pm

2 stops17h 27m

$752

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

jue. 3/5

11:05 am-4:55 pm

1 stop13h 50m

Seattle/Tacoma Intl

lun. 3/9

7:50 pm-6:35 pm

1 stop15h 45m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Belfast City to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Belfast City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast City Airport to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast City to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast City Airport to State of Washington?

    American Airlines and British Airways can get you from Belfast City Airport to State of Washington in just under 13h 50m. Your travel time can differ by up to 25m. Belfast City Airport and State of Washington are separated by a distance of 4472 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Belfast City to Washington that include hotel bookings?

    Yes. In addition to deals on Belfast City to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Belfast City to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast City to Washington.

  • Can I find deals for business class flights from Belfast City to Washington?

    Yes. Cheapflights offers flight deals from Belfast City to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast City Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Belfast City Airport to State of Washington (average of $238). Flying from Belfast City Airport to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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