Cheapest return flights from Boston to Lisbon in October from 405€

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

Return flights

05 Oct - 13 Oct Iberia For Level
10 Oct - 15 Oct SWISS
08 Oct - 15 Oct SWISS
09 Oct - 13 Oct Iberia
01 Oct - 06 Oct SWISS
12 Oct - 21 Oct Aer Lingus
02 Oct - 05 Oct Aer Lingus
13 Oct - 19 Oct Aer Lingus
02 Oct - 06 Oct Iberia
02 Oct - 11 Oct Aer Lingus
27 Oct - 10 Nov Iberia For Level
27 Oct - 10 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.