Cheapest return flights from Porto to Boston in June from $637

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

Return flights

18 Jun - 23 Jun United
13 Jun - 21 Jun Delta
14 Jun - 21 Jun Delta
30 Jun - 09 Jul TAP direct
21 Jun - 29 Jun United
21 Jun - 30 Jun United
21 Jun - 27 Jun Iberia
21 Jun - 28 Jun Iberia
30 Jun - 12 Jul TAP direct
22 Jun - 28 Jun KLM
30 Jun - 08 Jul KLM
21 Jun - 30 Jun TAP direct
21 Jun - 29 Jun TAP direct

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

Skyscanner

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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