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

Return flights

01 Aug - 03 Aug	Delta	direct
17 Aug - 23 Aug	Aeromexico
25 Aug - 04 Sep	Hawaiian Airlines
16 Aug - 23 Aug	Delta	direct
27 Aug - 03 Sep	Aeromexico
13 Aug - 20 Aug	Alaska Airlines
29 Aug - 04 Sep	Aeromexico
08 Aug - 15 Aug	Frontier Airlines
07 Aug - 14 Aug	United
11 Aug - 18 Aug	United
28 Aug - 04 Sep	Hawaiian Airlines
28 Aug - 03 Sep	Hawaiian Airlines
01 Aug - 06 Aug	Aeromexico
10 Aug - 14 Aug	Volaris
10 Aug - 17 Aug	Alaska Airlines
29 Aug - 01 Sep	Aeromexico

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 251€

Return flights