Cheapest return flights from Boston to London in May from 489€

Best time to book flights for Boston (BOS) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to London (LGW) in May 2025 (see full year).

Return flights

01 May - 05 May Icelandair
02 May - 09 May Icelandair
02 May - 06 May Icelandair
01 May - 22 May Icelandair
09 May - 13 May Icelandair
13 May - 20 May Spirit Airlines
12 May - 05 Jun Icelandair
05 May - 13 May Icelandair
07 May - 20 May Icelandair
12 May - 19 May Icelandair
19 May - 31 May Icelandair
29 May - 02 Jun Fly Play
14 May - 01 Jun Icelandair
28 May - 18 Jun TAP
25 May - 04 Jun TAP
28 May - 04 Jun TAP
27 May - 03 Jun Icelandair
22 May - 05 Jun Porter Airlines (Canada) Ltd
02 May - 27 Jun Spirit Airlines
23 May - 08 Jun Icelandair

Also check the deals for one-way 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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