Cheap flights from Boston Logan to London Heathrow from $449
Updated 2026-05-27
3257 miles great-circle distance, typically flown in 6h 57m with 9 airlines operating direct service from Boston Logan (BOS) to London Heathrow (LHR). Cheapest fares are usually in Jun (around $449 return), with peak prices in Jun (around $1347). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Boston Logan
Boston Logan International sits across the harbour from downtown — one of the most central airport locations in the country, just 3 miles from the Financial District. The Silver Line SL1 bus runs free for arriving passengers from each terminal directly to South Station in around 15 minutes; the MBTA Blue Line via the airport shuttle reaches downtown Boston in 25 minutes. JetBlue has its largest base here; Delta and AA add significant capacity, and transatlantic service from Aer Lingus, BA, Virgin and Lufthansa is dense.
Arriving in London
London Heathrow is 24 km west of central London — the deepest transatlantic hub from anywhere on the US East Coast. The Elizabeth Line and Heathrow Express both reach Paddington (15 minutes Express, 30 minutes Elizabeth) for £25 and £13.30 respectively. US carriers (American, Delta, United, JetBlue) and BA dominate the corridor. Cheapest fares from US East Coast: late January and February; peak demand is June–August.
Who flies BOS to LHR?
| Airline | IATA | Flight time | Cabin |
| JetBlue Airways | B6 | 6h 57m | Economy |
| Delta Air Lines | DL | 6h 57m | Economy |
| British Airways | BA | 6h 57m | Economy |
| Virgin Atlantic | VS | 6h 57m | Economy |
| Aer Lingus | EI | 6h 57m | Economy |
| Lufthansa | LH | 6h 57m | Economy |
| Air France | AF | 6h 57m | Economy |
| Cathay Pacific | CX | 6h 57m | Economy |
| Emirates | EK | 6h 57m | Economy |
9 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly BOS→LHR
Aggregated from 12 months of Travelpayouts fare data. Cheapest months in green, peak in red.
Source: Travelpayouts route data, refreshed every 30 days. Cheapest day-of-week typically Tuesday.
Boston to London FAQs
Direct flights from Boston Logan (BOS) to London Heathrow (LHR) take approximately 6h 57m for the 3257-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
Jun is typically the cheapest month on this route, with one-way fares from $449. Jun is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
9 carriers operate direct service from Boston Logan (BOS) to London Heathrow (LHR): JetBlue Airways, Delta Air Lines, British Airways, Virgin Atlantic, Aer Lingus and 4 more. Frequencies vary by season and carrier — JetBlue Airways typically operates the highest weekly count on this corridor.
Electronic Travel Authorisation (ETA) required for US passport holders from 2025 — apply online, £10. Always check travel.state.gov for the latest entry requirements before booking.
London Heathrow (LHR) is the primary international airport for London. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.