Cheapest return flights from Seattle to San Jose in April from $636

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 April 2025 (see full year).

Return flights

06 Apr - 10 Apr American Airlines

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

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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