AirHint found the following cheapest return flights from San Jose (SJO) to Lisbon (LIS) in October 2025 (see full year).

Return flights

23 Oct - 11 Nov	Avianca
07 Oct - 16 Oct	Iberia
06 Oct - 16 Oct	Iberia
07 Oct - 28 Oct	Iberia
02 Oct - 09 Oct	Air France
13 Oct - 21 Oct	Iberia
12 Oct - 21 Oct	Iberia
04 Oct - 15 Nov	Air France
15 Oct - 24 Oct	Air France

Also check the deals for one-way flights from San Jose to Lisbon in October.

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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Cheapest return flights from San Jose to Lisbon in October from $812

Return flights