Cheapest return flights from London to Boston in May from $574

AirHint found the following cheapest return flights from London (LGW) to Boston (BOS) in May 2026 (see full year).

Return flights

05 May - 12 May TAP
19 May - 26 May Icelandair
13 May - 18 May Icelandair
06 May - 19 May Icelandair
01 May - 13 May Icelandair
22 May - 01 Jun Icelandair
13 May - 27 May Icelandair
20 May - 27 May Icelandair
28 May - 31 May Icelandair
29 May - 31 May Icelandair
13 May - 20 May Icelandair
28 May - 04 Jun Norse Atlantic Airways (UK)

Also check the deals for one-way 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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