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

Return flights

24 Aug - 06 Sep	Ryanair
28 Aug - 06 Sep	Ryanair
28 Aug - 04 Sep	Ryanair
26 Aug - 03 Sep	Ryanair
10 Aug - 18 Aug	WestJet
10 Aug - 24 Aug	WestJet
27 Aug - 31 Aug	Ryanair
18 Aug - 25 Aug	WestJet
20 Aug - 28 Aug	Ryanair
10 Aug - 16 Aug	WestJet
13 Aug - 24 Aug	Air Transat
09 Aug - 21 Aug	Ryanair
08 Aug - 15 Aug	WestJet
06 Aug - 13 Aug	WestJet

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

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 August from $747

Return flights