Cheapest return flights from Boston to Lisbon in October from $411

Best time to book flights for Boston (BOS) to Lisbon (LIS) flights at AirHint

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

Return flights

15 Oct - 21 Oct LEVEL
07 Oct - 14 Oct LEVEL
09 Oct - 16 Oct LEVEL
02 Oct - 09 Oct LEVEL
20 Oct - 28 Oct Iberia
28 Oct - 04 Nov Iberia
06 Oct - 13 Oct LEVEL
03 Oct - 10 Oct LEVEL
27 Oct - 03 Nov Iberia
23 Oct - 30 Oct Iberia
08 Oct - 14 Oct TAP direct
07 Oct - 14 Oct TAP direct
25 Oct - 01 Nov TAP direct
19 Oct - 02 Nov Iberia
26 Oct - 02 Nov Iberia
28 Oct - 04 Nov TAP direct
26 Oct - 02 Nov TAP direct
19 Oct - 02 Nov Air France direct
27 Oct - 03 Nov TAP direct

Also check the deals for one-way flights from Boston to Lisbon 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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