Cheapest return flights from London to Boston in October from $415

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

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

Return flights

31 Oct - 09 Nov Fly Play
08 Oct - 15 Oct Fly Play
31 Oct - 14 Nov Fly Play
31 Oct - 03 Nov Fly Play
01 Oct - 12 Oct Fly Play
29 Oct - 02 Nov Icelandair
22 Oct - 29 Oct Icelandair
01 Oct - 05 Oct Icelandair
01 Oct - 11 Oct Icelandair
06 Oct - 13 Oct Icelandair
15 Oct - 18 Oct Icelandair
02 Oct - 16 Oct Fly Play
13 Oct - 17 Oct Fly Play
08 Oct - 09 Oct Fly Play
17 Oct - 10 Nov Scandinavian Airlines
23 Oct - 02 Nov Icelandair
24 Oct - 02 Nov Icelandair
25 Oct - 03 Nov Scandinavian Airlines
25 Oct - 02 Nov Fly Play
25 Oct - 06 Nov Fly Play

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

Cheap car rent in Boston