Cheapest return flights from Porto to Boston in June from $666

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

Return flights

13 Jun - 21 Jun KLM
13 Jun - 22 Jun United
11 Jun - 19 Jul Iberia
11 Jun - 20 Jun Air Canada
12 Jun - 20 Jun British Airways
28 Jun - 11 Jul TAP
14 Jun - 28 Jun TAP direct
15 Jun - 29 Jun TAP
11 Jun - 25 Jun TAP
13 Jun - 22 Jun TAP direct
12 Jun - 26 Jun TAP

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

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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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