Cheapest return flights from Lisbon to Boston in September from 266€

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

Return flights

30 Sep - 07 Oct Vueling Airlines
24 Sep - 28 Sep Vueling Airlines
16 Sep - 30 Sep Ryanair
15 Sep - 21 Sep Iberia
18 Sep - 23 Sep Iberia
16 Sep - 23 Sep Iberia For Level
19 Sep - 23 Sep easyJet
22 Sep - 30 Sep Vueling Airlines
17 Sep - 24 Sep Iberia
29 Sep - 06 Oct Iberia For Level
15 Sep - 25 Sep Vueling Airlines
17 Sep - 25 Sep Vueling Airlines
27 Sep - 05 Oct Iberia
29 Sep - 06 Oct TAP direct
27 Sep - 09 Oct KLM
30 Sep - 07 Oct Virgin Atlantic direct

Also check the deals for one-way 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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