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

Return flights

12 Aug - 19 Aug	Hawaiian Airlines	direct
19 Aug - 21 Aug	Hawaiian Airlines	direct
25 Aug - 30 Aug	Aeromexico
17 Aug - 23 Aug	Aeromexico
22 Aug - 28 Aug	Hawaiian Airlines	direct
25 Aug - 30 Aug	Alaska Airlines	direct
30 Aug - 06 Sep	Hawaiian Airlines	direct
14 Aug - 17 Aug	Aeromexico
15 Aug - 17 Aug	Aeromexico
08 Aug - 11 Aug	Aeromexico
17 Aug - 23 Aug	Alaska Airlines	direct

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

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 San Jose Del Cabo in August from $312

Return flights