Cheapest return flights from Washington to San Jose in April from 262€

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

Return flights

26 Apr - 03 May American Airlines
15 Apr - 22 Apr Copa
18 Apr - 25 Apr Copa
16 Apr - 23 Apr United
28 Apr - 04 May Copa
18 Apr - 02 May Copa
14 Apr - 18 Apr Copa
16 Apr - 17 Apr Copa
18 Apr - 19 Apr Avianca
18 Apr - 19 Apr United direct

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

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