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

Return flights

22 Sep - 12 Oct	Viva	direct
01 Sep - 07 Sep	Viva	direct
01 Sep - 12 Sep	Viva	direct
01 Sep - 15 Sep	Viva	direct
14 Sep - 15 Sep	Viva	direct
26 Sep - 12 Oct	Viva	direct
01 Sep - 14 Sep	Viva	direct
15 Sep - 05 Oct	Viva	direct
14 Sep - 05 Oct	Viva	direct
22 Sep - 05 Oct	Viva	direct
26 Sep - 05 Oct	Viva	direct
11 Sep - 14 Sep	Volaris	direct
26 Sep - 30 Sep	Viva
19 Sep - 05 Oct	Viva	direct
22 Sep - 07 Oct	Viva
01 Sep - 01 Sep	Viva
15 Sep - 30 Sep	Viva
14 Sep - 30 Sep	Viva
26 Sep - 07 Oct	Viva
15 Sep - 02 Oct	Viva

Also check the deals for one-way flights from Houston 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 Houston to Guadalajara in September from $187

Return flights