Cheapest return flights from Washington to San Jose in June from 287€

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

Return flights

08 Jun - 14 Jun Copa
09 Jun - 15 Jun Copa
01 Jun - 12 Jun Copa
13 Jun - 21 Jun Copa
20 Jun - 27 Jun Copa
22 Jun - 27 Jun Copa
10 Jun - 15 Jun Copa
11 Jun - 20 Jun Copa
19 Jun - 22 Jun Copa
30 Jun - 10 Jul Copa
28 Jun - 05 Jul Copa
26 Jun - 05 Jul Copa
27 Jun - 05 Jul Copa
27 Jun - 04 Jul Copa
30 Jun - 07 Jul Copa

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

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