AirHint found the following cheapest one-way flights from Lisbon (LIS) to Boston (BOS) in August 2026 (see full year).
One-Way flights
| 06 Aug | TAP | ||
| 27 Aug | LEVEL | ||
| 30 Aug | LEVEL | ||
| 31 Aug | American Airlines | ||
| 25 Aug | British Airways | ||
| 11 Aug | LEVEL | ||
| 29 Aug | Aer Lingus | ||
| 19 Aug | LEVEL | ||
| 27 Aug | TAP | direct | |
| 28 Aug | TAP | direct |
Also check the deals for return flights from Lisbon to Boston in August.
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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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