Cheapest return flights from Boston to Porto in October from 313€

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

Return flights

14 Oct - 21 Oct Iberia
15 Oct - 22 Oct Iberia
21 Oct - 28 Oct Iberia
22 Oct - 29 Oct Iberia
13 Oct - 22 Oct Iberia
13 Oct - 20 Oct Air Canada
20 Oct - 27 Oct Iberia
29 Oct - 22 Nov SWISS
01 Oct - 08 Oct Iberia
08 Oct - 15 Oct Iberia
16 Oct - 23 Oct Air Canada
30 Oct - 22 Nov United
24 Oct - 03 Nov SWISS

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

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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