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

Return flights

18 Nov - 13 Dec	Iberia For Level
29 Nov - 07 Dec	Iberia For Level
15 Nov - 22 Nov	Iberia For Level
03 Nov - 10 Nov	Iberia For Level
16 Nov - 25 Nov	Iberia For Level
13 Nov - 21 Nov	Iberia For Level
16 Nov - 01 Dec	Iberia For Level
06 Nov - 11 Nov	Iberia For Level
16 Nov - 23 Nov	Iberia For Level
01 Nov - 08 Nov	Iberia For Level
22 Nov - 29 Nov	Air Canada
25 Nov - 30 Nov	Scandinavian Airlines
12 Nov - 19 Nov	SWISS
18 Nov - 13 Dec	TAP	direct
29 Nov - 07 Dec	TAP	direct
16 Nov - 01 Dec	TAP	direct

Also check the deals for one-way flights from Boston to Lisbon 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 Lisbon in November from $379

Return flights