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

Return flights

22 Sep - 03 Oct	Viva	direct
22 Sep - 04 Oct	Viva	direct
21 Sep - 03 Oct	Viva	direct
21 Sep - 04 Oct	Viva	direct
23 Sep - 03 Oct	Viva	direct
23 Sep - 04 Oct	Viva	direct
22 Sep - 25 Sep	Viva	direct
22 Sep - 26 Sep	Viva	direct
21 Sep - 25 Sep	Viva	direct
21 Sep - 26 Sep	Viva	direct
23 Sep - 25 Sep	Viva	direct
23 Sep - 26 Sep	Viva	direct
19 Sep - 03 Oct	Viva
19 Sep - 04 Oct	Viva
29 Sep - 18 Oct	Viva
29 Sep - 03 Oct	Viva
19 Sep - 20 Sep	Viva
19 Sep - 25 Sep	Viva
22 Sep - 22 Sep	Viva	direct
22 Sep - 27 Sep	Viva	direct

Also check the deals for one-way flights from Oakland to Guadalajara in September.

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 September from $213

Return flights