Cheap flights from London to Boston
3,256 mi · 7h 45m average nonstop
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Quick answer: London to Boston at a glance
Cheap flights from London (LHR) to Boston (BOS) cover 3,256 miles (5,238 km) in about 7h 45m nonstop, with 5 airlines flying direct — a long-haul international route. Search Kayak for today's cheapest live fare. Route difficulty 6/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from London to Boston covers 3,256 miles (5,239 km) in approximately 7 hours 45 minutes. 5 airlines offer direct flights on this long-haul international route. This is a long-haul international route requiring advance planning for connections and layovers.
Nonstop distance 3,256 miles. Direct carriers include BA, VS, AA, DL and B6.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
5 airlines fly London → Boston. All are direct routes.
| Airline | Route type |
|---|---|
| BA | Direct |
| VS | Direct |
| AA | Direct |
| DL | Direct |
| B6 | Direct |
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London to Boston — quick answers
How far is London from Boston by plane?
The nonstop flight distance from London (LHR) to Boston (BOS) is 3,256 miles (5,238 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from London to Boston?
The average nonstop flight time from LHR to BOS is 7 hours 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from London to Boston?
5 airlines serve this route nonstop: BA, VS, AA, DL, B6. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.