Cheapest return flights from Washington to San Jose in October from $229

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

Return flights

25 Oct - 27 Oct Volaris El Salvador
06 Oct - 10 Oct Avianca
05 Oct - 10 Oct Volaris El Salvador
16 Oct - 20 Oct Volaris El Salvador
04 Oct - 07 Oct Volaris El Salvador
21 Oct - 28 Oct Avianca
30 Oct - 06 Nov Copa
18 Oct - 25 Oct Volaris El Salvador
23 Oct - 26 Oct Avianca
18 Oct - 20 Oct Copa
11 Oct - 13 Oct Copa

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

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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