Flights London → Boston — September 19, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Saturday, September 19, 2026 on the London–Boston route: 1 stop itinerary (2 flights) via Toronto (YYZ), from London Gatwick (LGW) to Boston Logan (BOS), first flight Air Transat TS283, departs 9:40 AM, arrives 9:05 AM the next day, total travel time 28h 25m including layovers, flight time 9h 45m (layovers excluded), $591 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 9, 2026 and read by AirSource on September 10, 2026, 19:03 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: JetBlue B61621, from London Heathrow (LHR) to Boston Logan (BOS), departs 8:40 AM, arrives 11:19 AM, direct, 7h 39m, $783 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.