Cheapest return EAS–LIS flights, September

AirHint found the following cheapest return flights from San Sebastian (EAS) to Lisbon (LIS) in September 2026 (see full year).

Return flights

02 Sep - 05 Sep Iberia
17 Sep - 26 Sep Vueling Airlines
01 Sep - 05 Sep Vueling Airlines
17 Sep - 18 Sep Vueling Airlines
01 Sep - 18 Sep Vueling Airlines
02 Sep - 18 Sep Vueling Airlines
20 Sep - 26 Sep Vueling Airlines
01 Sep - 10 Sep Vueling Airlines
02 Sep - 10 Sep Vueling Airlines

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

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