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Cheap Flights from Miami to San Juan
MIA → SJU • About 2h 40m nonstop • 4 airlines
Adults
+12 years old
Children
2-11 years old
Infants
Under 2 years
Fares shown are the lowest we have recorded recently on this route and are not a live quote. Run a search above for today's availability, or call (800) 399-8818 and an agent will price it with you.
Flights from Miami (MIA) to San Juan (SJU)
The Miami to San Juan route covers roughly 1,040 miles and takes about 2h 40m nonstop. 4 airlines compete on it — American Airlines, JetBlue Airways, Frontier Airlines, Spirit Airlines — which keeps fares moving and makes it worth comparing carriers rather than defaulting to the one you usually fly. We have seen one-way fares on this route start around $128.
San Juan gives US travelers the Caribbean without a passport, without currency exchange and without international roaming — Puerto Rico is a US territory, so a domestic ticket and a driver’s licence are all you need.
Old San Juan is a 500-year-old walled colonial city with two Spanish fortresses, and Condado and Isla Verde supply the beach hotels. El Yunque, the only tropical rainforest in the US National Forest System, is 45 minutes east.
Airlines flying MIA to SJU
- American Airlines
- JetBlue Airways
- Frontier Airlines
- Spirit Airlines
Airports on this route
- Departing: Miami International Airport (MIA)
- Arriving: Luis Muñoz Marín International Airport (SJU)
Best time to fly to San Juan
December through April for dry weather. Late spring and autumn cut fares sharply outside the hurricane peak.
Top things to do in San Juan
- Old San Juan
- Castillo San Felipe del Morro
- El Yunque National Forest
- Condado Beach
- Isla Verde
- Bioluminescent bays
- Culebra and Vieques
How to save on Miami to San Juan flights
- Shift your departure by one or two days — midweek departures on this route are consistently cheaper than Friday and Sunday.
- Book four to eight weeks ahead. Last-minute fares on MIA to SJU routinely run double the advance price.
- Compare all 4 carriers rather than checking one airline's own site.
- No passport is required for US citizens — it is a domestic flight.
- The US dollar is the currency and US mobile plans work without roaming charges.
- Hurricane season runs June through November; travel protection is worth considering.
About flights from Miami to San Juan
Fares on the MIA to SJU route move with demand, so flexibility is worth more than timing tricks. Shifting your departure by a day or two, flying midweek instead of Friday or Sunday, and booking four to eight weeks ahead all reduce the fare on this route. Our agents also hold consolidator and unpublished fares that do not appear in online results.
American Airlines, JetBlue Airways, Frontier Airlines, Spirit Airlines all operate on this route. American Airlines typically offers the most frequencies, with JetBlue Airways and Frontier Airlines providing competing schedules. Availability varies by season and by which Miami airport you depart from, so it is worth comparing all carriers before booking.
A nonstop flight takes about 2h 40m. Itineraries with a connection typically add two to four hours depending on the layover city and the length of the stop.
The two cities are roughly 1,040 miles apart by air.
Departures leave from Miami International Airport (MIA). Arrivals land at Luis Muñoz Marín International Airport (SJU).
December through April for dry weather. Late spring and autumn cut fares sharply outside the hurricane peak.