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

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

Return flights

08 Jan - 15 Jan American Airlines
20 Jan - 24 Jan American Airlines
29 Jan - 02 Feb United
29 Jan - 03 Feb United
24 Jan - 27 Jan American Airlines
22 Jan - 25 Jan United
17 Jan - 22 Jan United
07 Jan - 15 Jan American Airlines
08 Jan - 13 Jan American Airlines
15 Jan - 19 Jan American Airlines
16 Jan - 20 Jan American Airlines
13 Jan - 30 Jan jetBlue

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

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