AirHint found the following cheapest one-way flights from Boston (BOS) to Lisbon (LIS) in April 2026 (see full year).
One-Way flights
| 28 Apr | LEVEL | ||
| 10 Apr | LEVEL | ||
| 24 Apr | LEVEL | ||
| 06 Apr | LEVEL | ||
| 23 Apr | LEVEL | ||
| 11 Apr | LEVEL | ||
| 07 Apr | LEVEL | ||
| 26 Apr | Icelandair | ||
| 08 Apr | LEVEL | ||
| 26 Apr | TAP | direct |
Also check the deals for return flights from Boston to Lisbon in April.
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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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