Cheapest return flights from Seattle to San Jose in November from 368€

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

Return flights

17 Nov - 24 Nov Frontier Airlines
17 Nov - 19 Nov Frontier Airlines
15 Nov - 22 Nov Frontier Airlines
11 Nov - 19 Nov United
22 Nov - 27 Nov Frontier Airlines
27 Nov - 30 Nov Frontier Airlines
23 Nov - 27 Nov United

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

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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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