Cheapest return flights from Boston to London in October from $397

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

Return flights

28 Oct - 04 Nov Icelandair
13 Oct - 20 Oct TAP
15 Oct - 25 Oct TAP
05 Oct - 12 Oct TAP
04 Oct - 12 Oct TAP
11 Oct - 18 Oct TAP
08 Oct - 21 Oct TAP
03 Oct - 19 Oct TAP
22 Oct - 29 Oct TAP
08 Oct - 13 Oct TAP
09 Oct - 13 Oct TAP
29 Oct - 05 Nov TAP
20 Oct - 18 Nov TAP
23 Oct - 01 Nov Icelandair
25 Oct - 03 Nov TAP

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

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.