Flights Boston → London — September 22, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Tuesday, September 22, 2026 on the Boston–London route: 2 stops itinerary (3 flights) via Reykjavik (KEF) and Dublin (DUB), from Boston Logan (BOS) to London Stansted (STN), first flight Icelandair FI630, departs 8:50 PM, arrives 9:20 PM the next day, total travel time 19h 30m including layovers, flight time 9h 10m (layovers excluded), $325 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 7, 2026 and read by AirSource on September 10, 2026, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: British Airways BA238, from Boston Logan (BOS) to London Heathrow (LHR), departs 7:10 AM, arrives 6:40 PM, direct, 6h 30m, $385 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.