Cheapest return flights from Washington to San Jose in April from 220€

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

Return flights

10 Apr - 17 Apr American Airlines
13 Apr - 20 Apr American Airlines
14 Apr - 21 Apr American Airlines
15 Apr - 22 Apr American Airlines
09 Apr - 16 Apr American Airlines
02 Apr - 10 Apr Copa
19 Apr - 26 Apr United direct
03 Apr - 11 Apr Avianca

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

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