Cheapest return flights from Dublin to San Jose in September from 690€

AirHint found the following cheapest return flights from Dublin (DUB) to San Jose (SJO) in September 2026 (see full year).

Return flights

01 Sep - 15 Sep jetBlue
01 Sep - 07 Sep KLM
05 Sep - 19 Sep United
04 Sep - 19 Sep United
04 Sep - 12 Sep United

Also check the deals for one-way flights from Dublin to San Jose in September.

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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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