Cheap flights from Belfast Intl Airport to Washington from £265
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast Intl to Washington
Keep the following information in mind while searching for Belfast Intl to Washington flight deals. Data was last updated 8 March 2025.
Find flight deals from Belfast Intl to Washington
Cheapest flights from Belfast Intl to WashingtonExplore the most affordable flight options available from Belfast Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.
Explore the most affordable flight options available from Belfast Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.
Find flights from Belfast Intl to Washington within your budget
Customise your flight search to find flights from Belfast Intl 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 858,174 searches. Data last updated 8 March 2025.
Fly from
Fly to
Route
Depart
Return
Price
BelfastSeattle
BFS - SEA
BFSSEA
Belfast Intl
Mon 21/4
06:10-20:40
2 stops22h 30m
Seattle/Tacoma Intl
Mon 28/4
19:00-20:25
2 stops17h 25m
BelfastSeattle
BFS - SEA
BFSSEA
Belfast Intl
Sun 27/4
06:10-12:58
2 stops38h 48m
Best time to book a flight from Belfast Intl to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Belfast Intl with our price prediction graph.
Travel insights for flights from Belfast Intl to Washington
Get recent, data-driven insights about flights from Belfast Intl to Washington including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from BFS to WA?
Find hourly flight availability from Belfast Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 March 2025.
When flying from Belfast Intl Airport to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Washington by month
Plan your trip to Washington by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.
Temperature in Washington by month
Plan your trip to Washington by taking into account the average temperature totals by month.
If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).
Related info for your journey
Find useful and relevant information for your journey from Belfast Intl to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Belfast Intl to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Belfast Intl to Washington
Discover the top airline that operate flights from Belfast Intl to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 March 2025.
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Can Cheapflights find flights from Belfast Intl to Washington with no change fees?
Need flexible booking options for your flight to Washington from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Belfast Intl to Washington become cheaper?
Yes, Cheapflights offers price alerts on Belfast Intl to Washington flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.