AirHint found the following cheapest return flights from Porto (OPO) to Boston (BOS) in April 2026 (see full year).
Return flights
| 22 Apr - 29 Apr | Iberia | ||
| 23 Apr - 27 Apr | Iberia | ||
| 23 Apr - 30 Apr | Air France | ||
| 25 Apr - 01 May | Lufthansa | ||
| 22 Apr - 29 Apr | TAP | direct | |
| 26 Apr - 02 May | United | ||
| 26 Apr - 02 May | TAP | direct |
Also check the deals for one-way flights from Porto to Boston in April.
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