Cheapest return flights from Washington to San Jose in January from $257

AirHint found the following cheapest return flights from Washington (DCA) to San Jose (SJO) in January 2026 (see full year).

Return flights

24 Jan - 26 Jan United
23 Jan - 26 Jan United
19 Jan - 22 Jan United
30 Jan - 05 Feb American Airlines
22 Jan - 26 Jan American Airlines
24 Jan - 27 Jan American Airlines
20 Jan - 24 Jan American Airlines
18 Jan - 21 Jan American Airlines
20 Jan - 23 Jan United
20 Jan - 25 Jan United
22 Jan - 29 Jan Delta

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

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