AirHint found the following cheapest one-way flights from Lisbon (LIS) to Boston (BOS) in April 2026 (see full year).
One-Way flights
| 30 Apr | Ryanair | ||
| 28 Apr | Azores Airlines | ||
| 19 Apr | Azores Airlines | ||
| 20 Apr | TAP | ||
| 29 Apr | Ryanair | ||
| 26 Apr | Ryanair | ||
| 19 Apr | jetBlue | direct | |
| 29 Apr | TAP | direct | |
| 20 Apr | TAP | direct | |
| 30 Apr | TAP | direct |
Also check the deals for return flights from Lisbon to Boston in April.
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