Cheapest return flights from Seattle to Guadalajara in January from $325

AirHint found the following cheapest return flights from Seattle (SEA) to Guadalajara (GDL) in January 2026 (see full year).

Return flights

12 Jan - 18 Jan Frontier Airlines
13 Jan - 20 Jan Hawaiian Airlines
09 Jan - 27 Jan Frontier Airlines
31 Jan - 07 Feb Volaris direct
21 Jan - 24 Jan Volaris direct
30 Jan - 07 Feb Hawaiian Airlines
30 Jan - 07 Feb Volaris direct
14 Jan - 21 Jan Hawaiian Airlines
01 Jan - 13 Jan Hawaiian Airlines
14 Jan - 21 Jan Frontier Airlines direct
09 Jan - 27 Jan Volaris direct
12 Jan - 18 Jan Volaris direct
01 Jan - 13 Jan Volaris direct

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

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