Cheapest return flights from Washington to San Jose in October from $235

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

Return flights

23 Oct - 29 Oct United
27 Oct - 31 Oct United
31 Oct - 04 Nov United
29 Oct - 03 Nov United
31 Oct - 03 Nov United
21 Oct - 24 Oct United
20 Oct - 23 Oct United
21 Oct - 28 Oct United
30 Oct - 02 Nov United
23 Oct - 28 Oct United
20 Oct - 25 Oct American Airlines
17 Oct - 19 Oct United
22 Oct - 26 Oct United
24 Oct - 26 Oct United

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

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