Cheapest return flights from Boston to London in May from $440

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

13 May - 21 May Fly Play
13 May - 17 May Fly Play
02 May - 06 May Fly Play
06 May - 13 May Condor
02 May - 05 May Fly Play
04 May - 07 May Icelandair
05 May - 12 May Icelandair
07 May - 12 May Icelandair
06 May - 10 May Fly Play
03 May - 05 May Fly Play
29 May - 10 Jun Fly Play
29 May - 14 Jun Fly Play
28 May - 04 Jun TAP
13 May - 19 Jun British Airways
19 May - 02 Jun Icelandair
01 May - 02 Jun Spirit Airlines
28 May - 01 Jun TAP
20 May - 07 Jun British Airways
21 May - 03 Jun Icelandair
20 May - 03 Jun British Airways

Also check the deals for one-way flights from Boston to London 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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