Cheapest one-way flights from Lisbon to Boston in September from $354

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

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Boston (BOS) in September 2025 (see full year).

One-Way flights

11 Sep Azores Airlines
05 Sep Azores Airlines
12 Sep Azores Airlines
30 Sep easyJet
14 Sep Azores Airlines
21 Sep Vueling Airlines
01 Sep Fly Play
21 Sep TAP direct
11 Sep TAP direct
12 Sep TAP direct

Also check the deals for return flights from Lisbon to Boston in September.

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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