Cheapest return flights from Washington to San Jose in April from 230€

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

Return flights

25 Apr - 28 Apr United
22 Apr - 28 Apr United
19 Apr - 25 Apr Southwest Airlines
25 Apr - 27 Apr United
12 Apr - 17 Apr United
22 Apr - 25 Apr Southwest Airlines
10 Apr - 17 Apr United
09 Apr - 13 Apr United
26 Apr - 02 May Southwest Airlines
19 Apr - 26 Apr United
29 Apr - 03 May Southwest Airlines
07 Apr - 12 Apr United

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

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