Cheapest one-way flights from Seattle to San Jose in July from $163

AirHint found the following cheapest one-way flights from Seattle (SEA) to San Jose (SJO) in July 2025 (see full year).

One-Way flights

27 Jul Alaska Airlines
10 Jul Alaska Airlines
21 Jul Alaska Airlines
12 Jul Alaska Airlines
11 Jul Alaska Airlines
28 Jul Frontier Airlines
25 Jul Southwest Airlines
26 Jul Alaska Airlines
19 Jul United
18 Jul Southwest Airlines

Also check the deals for return flights from Seattle to San Jose in July.

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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