Cheapest return flights from Seattle to Guadalajara in October from $379

AirHint found the following cheapest return flights from Seattle (SEA) to Guadalajara (GDL) in October 2025 (see full year).

Return flights

20 Oct - 02 Nov Frontier Airlines
25 Oct - 03 Nov Frontier Airlines
28 Oct - 07 Nov Hawaiian Airlines
24 Oct - 22 Nov Frontier Airlines
28 Oct - 04 Nov Hawaiian Airlines
30 Oct - 07 Nov Frontier Airlines
16 Oct - 22 Oct Frontier Airlines
30 Oct - 04 Nov Frontier Airlines
08 Oct - 21 Oct Frontier Airlines
23 Oct - 09 Nov Alaska Airlines
16 Oct - 08 Nov Alaska Airlines
07 Oct - 14 Oct Frontier Airlines
08 Oct - 15 Oct Frontier Airlines
07 Oct - 20 Oct Aeromexico
14 Oct - 20 Oct Hawaiian Airlines
04 Oct - 09 Oct Frontier Airlines
28 Oct - 04 Nov Volaris direct
23 Oct - 27 Oct Volaris direct
16 Oct - 22 Oct Volaris direct
05 Oct - 12 Oct Frontier Airlines

Also check the deals for one-way flights from Seattle to Guadalajara in October.

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