AirHint found the following cheapest return flights from Oakland (OAK) to Guadalajara (GDL) in December 2025 (see full year).

Return flights

06 Dec - 10 Dec	Spirit Airlines
06 Dec - 10 Dec	Viva	direct
06 Dec - 14 Dec	Viva	direct
07 Dec - 10 Dec	Viva	direct
07 Dec - 14 Dec	Viva	direct
11 Dec - 14 Dec	Viva	direct
07 Dec - 28 Dec	Viva	direct
11 Dec - 28 Dec	Viva	direct
22 Dec - 02 Jan	Delta
23 Dec - 28 Dec	Viva	direct
24 Dec - 28 Dec	Viva	direct
23 Dec - 02 Jan	Viva	direct
23 Dec - 04 Jan	Viva	direct
24 Dec - 02 Jan	Viva	direct
20 Dec - 02 Jan	Viva	direct
24 Dec - 04 Jan	Viva	direct
22 Dec - 02 Jan	Viva	direct
20 Dec - 04 Jan	Viva	direct
22 Dec - 04 Jan	Viva	direct
16 Dec - 02 Jan	Viva	direct

Also check the deals for one-way flights from Oakland to Guadalajara 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 Oakland to Guadalajara in December from 308€

Return flights