Cheapest one-way flights from Washington to San Jose in June from $106

Best time to book flights for Washington (IAD) to San Jose (SJO) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to San Jose (SJO) in June 2025 (see full year).

One-Way flights

10 Jun Volaris El Salvador
03 Jun American Airlines
08 Jun Copa
11 Jun Volaris El Salvador
11 Jun Avianca direct
10 Jun Avianca direct
17 Jun Avianca direct
03 Jun Avianca direct
25 Jun Avianca direct
08 Jun Avianca direct

Also check the deals for return flights from Washington to San Jose in June.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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