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

Return flights

03 Nov - 10 Nov	Alaska Airlines
11 Nov - 15 Nov	Alaska Airlines
10 Nov - 24 Nov	Alaska Airlines
15 Nov - 22 Nov	American Airlines
11 Nov - 19 Nov	United
05 Nov - 10 Nov	United
06 Nov - 10 Nov	American Airlines
11 Nov - 22 Nov	American Airlines
27 Nov - 16 Dec	Delta
27 Nov - 15 Dec	Delta
28 Nov - 16 Dec	Delta
28 Nov - 05 Dec	United
28 Nov - 18 Dec	Delta
27 Nov - 18 Dec	Delta
08 Nov - 15 Nov	Alaska Airlines
19 Nov - 24 Nov	Air Canada
24 Nov - 16 Dec	Hawaiian Airlines
24 Nov - 15 Dec	Hawaiian Airlines
26 Nov - 16 Dec	Hawaiian Airlines
27 Nov - 17 Dec	Frontier Airlines

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

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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Cheapest return flights from Seattle to San Jose in November from $353

Return flights