Cheapest one-way flights from Lisbon to Boston in August from $230

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

One-Way flights

26 Aug LEVEL
28 Aug LEVEL
25 Aug Ryanair
19 Aug LEVEL
20 Aug LEVEL
15 Aug LEVEL
21 Aug Ryanair
14 Aug LEVEL
29 Aug LEVEL
17 Aug LEVEL

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

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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