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

Return flights

10 Dec - 15 Dec	British Airways
04 Dec - 11 Dec	British Airways
16 Dec - 19 Jan	Lufthansa
29 Dec - 09 Jan	British Airways
16 Dec - 20 Jan	British Airways
13 Dec - 28 Dec	British Airways
13 Dec - 27 Dec	British Airways
01 Dec - 08 Dec	Iberia
12 Dec - 28 Dec	British Airways
18 Dec - 12 Jan	British Airways
18 Dec - 27 Dec	British Airways
22 Dec - 27 Dec	British Airways
22 Dec - 21 Jan	Iberia

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

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 Warsaw in December from $683

Return flights