Cheapest one-way flights from Boston (BOS) to Lisbon (LIS), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
29 Sep Icelandair
01 Sep Icelandair
12 Sep Icelandair
30 Sep Icelandair
22 Sep Icelandair
10 Sep Icelandair
02 Sep jetBlue
11 Sep Porter Airlines (Canada) Ltd
09 Sep Porter Airlines (Canada) Ltd
01 Sep TAP
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deals for return flights from Boston to Lisbon in September.

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Updated Jul 11, 2026.

About these fares

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