Cheapest return flights from San Sebastian to Lisbon in September from $133

AirHint found the following cheapest return flights from San Sebastian (EAS) to Lisbon (LIS) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct Vueling Airlines
30 Sep - 08 Oct Vueling Airlines
30 Sep - 09 Oct Vueling Airlines
01 Sep - 03 Sep Iberia
04 Sep - 24 Sep Vueling Airlines
30 Sep - 12 Oct Vueling Airlines
15 Sep - 27 Sep Iberia
04 Sep - 23 Sep Vueling Airlines
30 Sep - 19 Oct Vueling Airlines
15 Sep - 24 Sep Vueling Airlines
04 Sep - 11 Sep Vueling Airlines
04 Sep - 12 Sep Vueling Airlines
15 Sep - 23 Sep Vueling Airlines
15 Sep - 25 Sep Vueling Airlines
15 Sep - 28 Sep Iberia
22 Sep - 07 Oct Vueling Airlines
22 Sep - 08 Oct Vueling Airlines
22 Sep - 09 Oct Vueling Airlines
26 Sep - 07 Oct Vueling Airlines
26 Sep - 08 Oct Vueling Airlines

Also check the deals for one-way flights from San Sebastian to Lisbon in September.

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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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