Cheapest return flights from Boston to London in October from 329€

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

Return flights

03 Oct - 05 Oct Scandinavian Airlines
17 Oct - 19 Oct Iberia
21 Oct - 29 Oct Scandinavian Airlines
05 Oct - 11 Oct Iberia For Level
14 Oct - 22 Oct Iberia For Level
01 Oct - 08 Oct Iberia For Level
05 Oct - 12 Oct TAP
19 Oct - 26 Oct TAP
04 Oct - 11 Oct TAP
16 Oct - 27 Oct Scandinavian Airlines
26 Oct - 01 Nov TAP
31 Oct - 07 Nov Lufthansa
13 Oct - 24 Nov Aer Lingus
25 Oct - 03 Nov Aer Lingus
26 Oct - 02 Nov United
26 Oct - 01 Nov American Airlines direct
31 Oct - 07 Nov British Airways direct
26 Oct - 02 Nov British Airways direct
29 Oct - 03 Nov Finnair direct
25 Oct - 03 Nov KLM direct

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

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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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