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Cheap flights from Belfast to Boston
BHD — BOS
11 Nov — 18 Nov1
Best time to book a flight from Belfast to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Belfast with our price prediction graph.
BF1-BOS
Estimated return 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.
Related info for your journey
Find useful and relevant information for your journey from Belfast to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsBurlington
Canton
North Truro
Waltham
Warwick
Cambridge
Wellfleet
Peabody
Revere
Somerville
Quincy
Chelmsford
Raynham
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Belfast to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 October 2026.
Complete your trip
Complete your trip to Boston by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Massachusetts
Book a non-stop flight to one of these other cities located in Massachusetts.
Search flights from Belfast to Boston by cabin class
Find flights from Belfast to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Belfast and Boston flights
Browse other Belfast and Boston flight options. Last updated on 12 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast to Boston?
Cheapflights helps you search for flights from Belfast to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Belfast to Boston?
Cheapflights simply makes it quick and affordable to book flights from Belfast to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Belfast to Boston with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Boston, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Belfast to Boston become cheaper?
Yes! Start tracking prices for Belfast to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.