Cheapest return flights from Washington to San Jose in May from $217

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

AirHint found the following cheapest return flights from Washington (IAD) to San Jose (SJO) in May 2025 (see full year).

Return flights

08 May - 12 May Volaris El Salvador
04 May - 09 May Volaris El Salvador
17 May - 21 May Volaris El Salvador
11 May - 16 May Volaris El Salvador
23 May - 26 May Volaris El Salvador
13 May - 20 May Copa
23 May - 01 Jun Volaris El Salvador
22 May - 01 Jun Volaris El Salvador
24 May - 01 Jun Volaris El Salvador
24 May - 03 Jun Volaris El Salvador
15 May - 20 May Volaris El Salvador
16 May - 20 May Avianca
08 May - 15 May Volaris El Salvador
10 May - 17 May Volaris El Salvador
31 May - 05 Jun Avianca
31 May - 29 Jun Volaris El Salvador

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

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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