Cheap flights to San Juan

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Frequently asked questions

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
The average temperature in San Juan in March is around 22°C. The warmest month in San Juan is typically February, which averages 25°C. The coolest month is August, with temperatures averaging 14°C. The rainiest month is January, and it usually rains the least in June.