Cheapest return flights from Porto to Boston in May from 395€

Best time to book flights for Porto (OPO) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Boston (BOS) in May 2025 (see full year).

Return flights

01 May - 10 May Fly Play
28 May - 05 Jun Iberia
14 May - 21 May British Airways
02 May - 11 May British Airways
12 May - 19 May Iberia
21 May - 01 Jun United
23 May - 01 Jun KLM
31 May - 08 Jun United
14 May - 21 May TAP direct
21 May - 01 Jun TAP direct
31 May - 07 Jun TAP
31 May - 08 Jun TAP direct

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

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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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