Cheapest return flights from Boston to Porto in July from $517

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

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

Return flights

08 Jul - 17 Jul British Airways
07 Jul - 16 Jul British Airways
04 Jul - 11 Jul Lufthansa
05 Jul - 13 Jul Air Canada
05 Jul - 12 Jul Air Canada
04 Jul - 12 Jul KLM
09 Jul - 13 Jul TAP direct
05 Jul - 13 Jul TAP direct
05 Jul - 12 Jul TAP direct

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

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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