Cheapest return flights from Porto to Boston in July from $605

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

Return flights

12 Jul - 13 Jul Delta
26 Jul - 02 Aug American Airlines
22 Jul - 29 Jul Iberia
23 Jul - 30 Jul Iberia
23 Jul - 27 Jul Iberia
19 Jul - 23 Jul Air France
23 Jul - 27 Jul TAP direct
11 Jul - 16 Jul KLM
06 Jul - 13 Jul KLM
06 Jul - 18 Jul Ryanair
09 Jul - 10 Jul Air Transat

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