AirHint found the following cheapest return flights from Dublin (DUB) to San Juan (SJU) in June 2026 (see full year).

Return flights

01 Jun - 08 Jun	British Airways
11 Jun - 18 Jun	FlyOne (Romania)
01 Jun - 14 Jun	WestJet
09 Jun - 14 Jun	HiSky Europe
05 Jun - 14 Jun	WestJet
15 Jun - 26 Jun	WestJet
29 Jun - 09 Jul	WestJet
18 Jun - 28 Jun	United
22 Jun - 29 Jun	KLM

Also check the deals for one-way flights from Dublin to San Juan in June.

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 Juan in June from $852

Return flights