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

Return flights

02 Nov - 04 Nov	Air Canada
26 Nov - 03 Dec	TAP
15 Nov - 21 Nov	TAP
28 Nov - 30 Nov	Iberia
27 Nov - 01 Dec	TAP
27 Nov - 08 Dec	TAP
30 Nov - 08 Dec	TAP
20 Nov - 28 Nov	TAP
20 Nov - 23 Nov	TAP
11 Nov - 18 Nov	TAP
26 Nov - 02 Dec	TAP
27 Nov - 02 Dec	TAP
30 Nov - 07 Dec	TAP
11 Nov - 24 Nov	TAP
07 Nov - 11 Nov	Aer Lingus
05 Nov - 09 Nov	Aer Lingus
06 Nov - 14 Nov	TAP
26 Nov - 03 Dec	American Airlines	direct
27 Nov - 01 Dec	American Airlines	direct
26 Nov - 02 Dec	British Airways	direct

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

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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Cheapest return flights from Boston to London in November from 325€

Return flights