Cheapest return flights from Seattle to San Jose in February from 319€

AirHint found the following cheapest return flights from Seattle (SEA) to San Jose (SJO) in February 2026 (see full year).

Return flights

08 Feb - 13 Feb United
10 Feb - 19 Feb Frontier Airlines
09 Feb - 19 Feb Frontier Airlines
08 Feb - 19 Feb Frontier Airlines
03 Feb - 17 Feb Hawaiian Airlines
08 Feb - 15 Feb United
17 Feb - 24 Feb United

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

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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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