Cheapest return flights from Seattle to Guadalajara in December from $367

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

Return flights

02 Dec - 11 Dec Hawaiian Airlines
08 Dec - 18 Dec Hawaiian Airlines
02 Dec - 11 Dec Volaris direct
08 Dec - 22 Dec Hawaiian Airlines
10 Dec - 07 Jan Hawaiian Airlines
10 Dec - 10 Jan Hawaiian Airlines
27 Dec - 11 Jan Volaris
14 Dec - 04 Jan Frontier Airlines
23 Dec - 28 Dec Frontier Airlines
23 Dec - 06 Jan Frontier Airlines
23 Dec - 02 Jan Frontier Airlines
16 Dec - 31 Dec Alaska Airlines
15 Dec - 02 Jan Frontier Airlines
26 Dec - 07 Jan Frontier Airlines
13 Dec - 03 Jan Frontier Airlines
20 Dec - 02 Jan Frontier Airlines
23 Dec - 28 Dec Volaris direct
08 Dec - 18 Dec Volaris direct
16 Dec - 31 Dec Volaris direct

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

Powered by

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.

Book a cheap hotel in Guadalajara

Cheap car rent in Guadalajara

Feel free to contact us with any feedback or request another flight research.