Cheapest return flights from San Sebastian to Porto in August from $150

AirHint found the following cheapest return flights from San Sebastian (EAS) to Porto (OPO) in August 2026 (see full year).

Return flights

18 Aug - 21 Aug Iberia
18 Aug - 22 Aug Iberia
20 Aug - 23 Aug Iberia
19 Aug - 23 Aug Iberia
18 Aug - 23 Aug Vueling Airlines
20 Aug - 21 Aug Vueling Airlines
19 Aug - 21 Aug Vueling Airlines
20 Aug - 22 Aug Vueling Airlines
19 Aug - 22 Aug Vueling Airlines

Also check the deals for one-way flights from San Sebastian to Porto in August.

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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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