AirHint found the following cheapest one-way flights from London (LHR) to Boston (BOS) in May 2026 (see full year).
One-Way flights
| 30 May | Vueling Airlines | ||
| 04 May | Vueling Airlines | ||
| 13 May | Vueling Airlines | ||
| 18 May | TAP | ||
| 14 May | TAP | ||
| 13 May | British Airways | direct | |
| 04 May | Finnair | direct | |
| 01 May | Air Canada | ||
| 15 May | Aer Lingus | ||
| 02 May | Aer Lingus |
Also check the deals for return flights from London to Boston in May.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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