Cheapest return flights from Boston to Porto in June from $467

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

Return flights

30 Jun - 07 Jul Air Canada
23 Jun - 11 Jul Air Canada
29 Jun - 06 Jul Lufthansa
15 Jun - 22 Jun Lufthansa
23 Jun - 30 Jun SWISS
10 Jun - 20 Jun Air Canada
25 Jun - 02 Jul Air Canada
22 Jun - 29 Jun United
25 Jun - 11 Jul Air Canada
28 Jun - 05 Jul Air Canada
01 Jun - 06 Jun Iberia
01 Jun - 06 Jun TAP direct
26 Jun - 03 Jul SWISS
27 Jun - 04 Jul SWISS
24 Jun - 01 Jul TAP direct
22 Jun - 29 Jun TAP direct
15 Jun - 22 Jun TAP direct
28 Jun - 05 Jul TAP direct

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