Cheapest return flights from Boston to Porto in August from 532€

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

Return flights

27 Aug - 04 Sep Scandinavian Airlines
27 Aug - 03 Sep Scandinavian Airlines
18 Aug - 25 Aug Air Canada
19 Aug - 26 Aug Air Canada
20 Aug - 28 Aug Scandinavian Airlines
17 Aug - 25 Aug Air Canada
18 Aug - 26 Aug Air Canada
19 Aug - 27 Aug Air Canada
12 Aug - 19 Aug Air Canada
16 Aug - 23 Aug Air Canada
20 Aug - 27 Aug Air Canada
31 Aug - 08 Sep TAP
16 Aug - 30 Aug Air Canada
25 Aug - 01 Sep Turkish Airlines
26 Aug - 02 Sep Turkish Airlines
25 Aug - 02 Sep Turkish Airlines
26 Aug - 03 Sep Turkish Airlines
23 Aug - 01 Sep Turkish Airlines
24 Aug - 01 Sep TAP
31 Aug - 07 Sep Turkish Airlines

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

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