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

Return flights

04 Feb - 05 Feb	Aer Lingus
26 Feb - 14 Mar	Ryanair
19 Feb - 27 Feb	Ryanair
15 Feb - 28 Feb	United
17 Feb - 03 Mar	United
15 Feb - 01 Mar	United
19 Feb - 02 Mar	United
08 Feb - 28 Feb	United
03 Feb - 24 Feb	United
12 Feb - 22 Feb	Ryanair
09 Feb - 20 Feb	United
14 Feb - 28 Feb	KLM
15 Feb - 22 Feb	United
04 Feb - 21 Feb	Ryanair
13 Feb - 01 Mar	Air France

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

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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Cheapest return flights from Dublin to San Jose in February from 640€

Return flights