Cheapest return flights from Porto to Boston in April from $448

AirHint found the following cheapest return flights from Porto (OPO) to Boston (BOS) in April 2026 (see full year).

Return flights

19 Apr - 26 Apr TAP direct
13 Apr - 18 May TAP direct
13 Apr - 29 Apr TAP direct
29 Apr - 04 May TAP direct
29 Apr - 03 May TAP direct
13 Apr - 20 Apr TAP
17 Apr - 26 Apr TAP
30 Apr - 04 May TAP
27 Apr - 03 May SWISS
03 Apr - 11 Apr Lufthansa
10 Apr - 17 Apr Ryanair
26 Apr - 29 Apr Ryanair
27 Apr - 03 May TAP direct

Also check the deals for one-way flights from Porto to Boston 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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