Find the exact window to book your San Juan flight for the lowest price — based on real short-haul pricing patterns, not guesswork.
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San Juan has extensive nonstop service from dozens of US cities on JetBlue, Spirit, Frontier, American, Delta, and United — it's essentially treated as a domestic route since Puerto Rico is a US territory. Flight times run roughly 2.5 to 4.5 hours.
Winter (December–April) is dry season and the busiest, priciest stretch. Hurricane season (June–November, peak risk August–October) is cheaper with storm risk; late spring and fall shoulder months offer good value.
JetBlue, Spirit, and Frontier typically post the lowest headline fares; American, Delta, and United can be competitive in the middle of the optimal booking window.
2 to 3 weeks out on budget carriers, or 3 to 5 weeks out on full-service carriers.
Hurricane season (June–November) is generally cheaper. Winter (December–April) is dry season and the most expensive.
JetBlue, Spirit, and Frontier often have the lowest headline fares; full-service carriers can be competitive if booked within the optimal window.
No passport or visa is required — Puerto Rico is a US territory, so flying to San Juan is treated like any other domestic US flight.