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

Return flights

02 Nov - 05 Nov	Air Canada
07 Nov - 09 Nov	Iberia
07 Nov - 22 Nov	TAP
09 Nov - 22 Nov	TAP
10 Nov - 23 Nov	TAP
11 Nov - 16 Nov	TAP
13 Nov - 06 Dec	TAP
17 Nov - 13 Dec	TAP
18 Nov - 13 Dec	TAP
12 Nov - 18 Nov	TAP
13 Nov - 17 Nov	TAP
15 Nov - 06 Dec	TAP
16 Nov - 06 Dec	TAP
14 Nov - 06 Dec	TAP
20 Nov - 13 Dec	TAP
11 Nov - 06 Dec	TAP
27 Nov - 01 Dec	TAP
24 Nov - 01 Dec	TAP
14 Nov - 21 Nov	TAP
03 Nov - 17 Nov	TAP

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 $379

Return flights