Cheap flights from Belfast Intl Airport to Washington from £305
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 12/6. 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 16 April 2025.
Popular in | July |
|---|---|
Cheapest in | May |
Average price | £522 |
Find flight deals from Belfast Intl to Washington
One-way flights from Belfast Intl to WashingtonSearch for one-way flight options from Belfast Intl to Washington. Find affordable one-way fares based on user searches. Data last updated 16 April 2025.
Search for one-way flight options from Belfast Intl to Washington. Find affordable one-way fares based on user searches. Data last updated 16 April 2025.
Cheapflights Fare Finder
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 16 April 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastSeattle
BFS - SEA
BFSSEA
Belfast Intl
Thu 12/6
06:00-20:28
2 stops22h 28m
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.
Cheapflights Insights
Everything you need to know about your flight from Belfast Intl Airport to Washington
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 16 April 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 16 April 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.