AirHint found the following cheapest one-way flights from Washington (IAD) to San Jose (SJO) in July 2026 (see full year).
One-Way flights
| 05 Jul | Avianca | ||
| 07 Jul | Avianca | ||
| 08 Jul | Avianca | ||
| 12 Jul | Avianca | ||
| 01 Jul | Avianca | ||
| 03 Jul | Avianca | ||
| 10 Jul | Avianca | ||
| 17 Jul | Avianca | ||
| 02 Jul | Copa | ||
| 04 Jul | Copa |
Also check the deals for return flights from Washington to San Jose in July.
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