Cheapest one-way flights from Boston to London in May from $206

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

One-Way flights

07 May SWISS
11 May Iberia direct
13 May Iberia direct
04 May Iberia direct
02 May Lufthansa
03 May Austrian Airlines
10 May British Airways direct
02 May British Airways direct
03 May British Airways direct
07 May British Airways direct

Also check the deals for return flights from Boston to London 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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