Cheapest return flights from San Jose to Lisbon in December from $560

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

Return flights

11 Dec - 24 Dec Delta
23 Dec - 05 Jan Alaska Airlines
28 Dec - 17 Jan Iberia
12 Dec - 10 Jan Iberia
12 Dec - 03 Jan Iberia
27 Dec - 03 Jan British Airways
25 Dec - 03 Jan British Airways
22 Dec - 04 Jan British Airways
19 Dec - 10 Jan Iberia
19 Dec - 03 Jan Iberia
21 Dec - 05 Jan Iberia

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

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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