If you aren’t able to travel during the month of March, then book flights to San Juan from Ireland during May instead. Flights to San Juan in May, while not as cheap as those in March, still average around 608€.
Most flyers found that booking tickets 31 days in advance of their planned departure date is the best time to get cheap flights to San Juan. During this timeframe, flight prices are around 777€. Keep in mind that you might also find cheap flights to San Juan outside of this time window. In fact, momondo users recently found flights from Ireland to San Juan for 348€.
The cheapest day to depart from Ireland to San Juan is on a Monday. Travellers who choose to depart for San Juan on a Monday will often find tickets for as low as 610€. On the other hand, Saturday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around 887€.
San Juan Luis Munoz Marin Intl Airport, Ceiba J. Aponte de la Torre Airport, Ponce Mercedita Airport, Vieques Airport or Culebra Airport can be an alternative airport used for travel to San Juan.
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