Cheapest return flights from Seattle to San Jose Del Cabo in September from $323

AirHint found the following cheapest return flights from Seattle (SEA) to San Jose Del Cabo (SJD) in September 2025 (see full year).

Return flights

19 Sep - 26 Sep Alaska Airlines direct
08 Sep - 14 Sep Aeromexico
22 Sep - 27 Sep Aeromexico
09 Sep - 15 Sep Aeromexico
11 Sep - 15 Sep Aeromexico
10 Sep - 14 Sep Aeromexico
22 Sep - 27 Sep Alaska Airlines direct
08 Sep - 14 Sep Hawaiian Airlines direct

Also check the deals for one-way flights from Seattle to San Jose Del Cabo in September.

Skyscanner

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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