Cheapest return flights from Seattle to San Jose in October from $502

Best time to book flights for Seattle (SEA) to San Jose (SJO) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to San Jose (SJO) in October 2025 (see full year).

Return flights

26 Oct - 04 Nov United
01 Oct - 13 Oct United

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

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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