AirHint found the following cheapest one-way flights from Lisbon (LIS) to Boston (BOS) in July 2026 (see full year).
One-Way flights
| 29 Jul | Vueling Airlines | ||
| 13 Jul | Ryanair | ||
| 27 Jul | TAP | ||
| 31 Jul | Azores Airlines | ||
| 29 Jul | TAP | direct | |
| 31 Jul | TAP | direct | |
| 13 Jul | TAP | direct | |
| 27 Jul | TAP | direct |
Also check the deals for return flights from Lisbon to Boston in July.
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