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

Return flights

27 Feb - 15 Mar	Volaris	direct
21 Feb - 08 Mar	Volaris	direct
21 Feb - 28 Feb	Volaris	direct
04 Feb - 04 Feb	Aeromexico
04 Feb - 05 Mar	Hawaiian Airlines
08 Feb - 10 Feb	Frontier Airlines
23 Feb - 27 Feb	Frontier Airlines
08 Feb - 10 Feb	Volaris	direct
04 Feb - 05 Mar	Volaris	direct
11 Feb - 18 Feb	Hawaiian Airlines
10 Feb - 15 Feb	Frontier Airlines
05 Feb - 22 Feb	Frontier Airlines
04 Feb - 08 Feb	Air Canada
13 Feb - 18 Feb	Frontier Airlines

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

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 Seattle to Guadalajara in February from $297

Return flights