AirHint found the following cheapest return flights from Lisbon (LIS) to Boston (BOS) in June 2026 (see full year).
Return flights
| 02 Jun - 16 Jun | Iberia | ||
| 10 Jun - 21 Jun | Iberia | ||
| 06 Jun - 10 Jun | Iberia | ||
| 02 Jun - 16 Jun | Virgin Atlantic | direct | |
| 06 Jun - 10 Jun | Virgin Atlantic | direct |
Also check the deals for one-way flights from Lisbon to Boston in June.
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