AirHint found the following cheapest one-way flights from Boston (BOS) to Lisbon (LIS) in March 2026 (see full year).
One-Way flights
| 09 Mar | LEVEL | ||
| 17 Mar | LEVEL | ||
| 13 Mar | jetBlue | ||
| 15 Mar | Air Canada | ||
| 11 Mar | Icelandair | ||
| 30 Mar | LEVEL | ||
| 28 Mar | LEVEL | ||
| 05 Mar | Lufthansa | ||
| 14 Mar | British Airways | ||
| 15 Mar | TAP | direct |
Also check the deals for return flights from Boston to Lisbon in March.
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