Find cheap flights to Puerto Rico

Flying into San Juan Isla Grande Airport is typically the best way to visit Viejo San Juan, since it is the closest airport to the area.

The best prices found on momondo for flights to Puerto Rico are:
$794 per person with JetBlue
$1,624 per person with United Airlines
$2,361 per person with American Airlines

You can find flights to Puerto Rico from 3 airlines. If you’re unsure which to fly with, consider booking your flight with United Airlines, Qatar Airways or American Airlines as these are the most popular among our users. United Airlines is the most favoured with 83% of momondo travellers booking flights with this airline.

The most popular airport in Puerto Rico to fly to is San Juan Luis Munoz Marin Intl, based on our data. In the past 12 months, 93% of all momondo users who travelled to Puerto Rico chose to fly into San Juan Luis Munoz Marin Intl airport, which is located in the city of San Juan.

Flight times vary depending on what airport in Australia you fly out of and what airport in Puerto Rico you fly into. For example, flying from Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl takes 46h on average. On the other hand, flying from Melbourne to San Juan Luis Munoz Marin Intl takes on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Flying to Puerto Rico on a Monday or Thursday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Puerto Rico is on a Friday.

Prices for flights to Puerto Rico are updated daily.

As of June 2025, there are 4 operators available to choose from for flights to Puerto Rico.

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Puerto Rico.

The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.