Cheapest return flights from Washington to San Jose in April from 332€

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

Return flights

18 Apr - 25 Apr Southwest Airlines
30 Apr - 04 May United
29 Apr - 04 May United
08 Apr - 21 Apr United
14 Apr - 17 Apr Southwest Airlines
22 Apr - 26 Apr United
11 Apr - 18 Apr United
18 Apr - 26 Apr United
02 Apr - 06 Apr Southwest Airlines
17 Apr - 23 Apr Delta
01 Apr - 04 Apr Southwest Airlines
17 Apr - 24 Apr Delta
26 Apr - 03 May jetBlue

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

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