Cheapest one-way
£ 119.29
Air Canada · 1 stop · 13 hr 13 min
One-way tickets on BOS–LHR recently started around £ 119.29.
Flights from Boston to London
Recent BookingTrolley searches found Boston to London fares from £ 238.58 — compare live BOS–LHR prices, airlines and durations below.
Boston to London flights overview
A direct Boston to London flight spans roughly 5,240 km and takes about 11 hr 30 min in the air. BookingTrolley found 11 airlines currently compete on the BOS–LHR corridor, with Air Canada posting one of the lowest fares at £ 238.58. 8 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
BookingTrolley's most recent fare data for the Boston to London route shows tickets from £ 238.58. Based on this route's seasonal pattern, fares average roughly £ 246.48 over the year. Nov tends to be the cheapest month to fly (around £ 205.40), while Jun is usually the most expensive at about £ 305.73 — a swing of roughly 49%.
Frequently asked questions about flying from Boston to London
Tuesday and Wednesday are typically the cheapest days to fly from Boston to London. According to BookingTrolley fare data on the Boston to London route (BOS–LHR), round-trip tickets started at £ 238.58. United Kingdom travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Boston to London are Air Canada (from £ 238.58), United Airlines (from £ 238.58), Virgin Atlantic (from £ 241.74), according to BookingTrolley's multi-provider comparison priced for the United Kingdom market currency when available.
The cheapest flights from Boston to London started at £ 238.58 round trip with one stop on Air Canada, per BookingTrolley data relevant to United Kingdom shoppers. Fares fluctuate with demand.
A nonstop flight from Boston to London takes about 11 hr 30 min in the air on the fastest outbound leg, based on BookingTrolley itinerary data from recent searches. Connecting flights add layover time and can extend total travel to a full day or more.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Boston to London route (BOS–LHR), round-trip tickets started at £ 238.58. BookingTrolley suggests booking 4–8 weeks ahead for routes like Boston to London.
Use BookingTrolley's flexible-date comparison for Boston (BOS) to London (LHR) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United Kingdom travellers to cut the ticket price.
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