Cheapest return flights from Boston to London in October from $490

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

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

Return flights

01 Oct - 08 Oct Icelandair
03 Oct - 07 Oct Icelandair
05 Oct - 11 Oct Icelandair
05 Oct - 12 Oct Icelandair
17 Oct - 22 Oct Icelandair
24 Oct - 31 Oct Icelandair
01 Oct - 06 Oct Icelandair
01 Oct - 13 Oct Icelandair
12 Oct - 24 Oct Icelandair
12 Oct - 26 Oct Icelandair
26 Oct - 07 Nov Icelandair
26 Oct - 07 Nov Finnair direct
30 Oct - 06 Nov Virgin Atlantic direct

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.

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