Cheapest return flights from Washington to San Jose in October from 202€

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

Return flights

30 Oct - 04 Nov United
25 Oct - 01 Nov United
26 Oct - 08 Nov United
23 Oct - 29 Oct United
26 Oct - 07 Nov United
23 Oct - 27 Oct United
24 Oct - 27 Oct United
31 Oct - 03 Nov United
22 Oct - 29 Oct Avianca
24 Oct - 24 Oct Delta
24 Oct - 26 Oct Copa

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

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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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