Cheapest one-way flights from London to Boston in May from $459

AirHint found the following cheapest one-way flights from London (LHR) to Boston (BOS) in May 2026 (see full year).

One-Way flights

13 May British Airways
11 May Aer Lingus
16 May British Airways
02 May TAP
21 May Lufthansa
11 May British Airways direct
18 May TAP
01 May British Airways direct
02 May British Airways direct
13 May jetBlue direct

Also check the deals for return flights from London to Boston in May.

Skyscanner

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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