Cheap Flights to San Juan

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Flight deals to San Juan

Looking for a cheap last-minute deal or the best return flight to San Juan? Find the biggest savings on one-way and return tickets right here.

Find the cheapest time to fly to San Juan

Flexible on travel dates? Find the cheapest month – or even day – to fly to San Juan.

Airports in San Juan

Compare routes to San Juan below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
Currently, there are no airlines that fly direct to San Juan. But we found flights with one or more stops from $1,627.
The cheapest month to fly to San Juan is usually November.
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.
No airlines currently offer direct flights between Australia and San Juan. Most routes have one or more stops.
The best price we found for a return flight to San Juan is $1,627. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
The cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from $1,627.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to San Juan is Thursday, 20 November 2025.
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 July is around 27°C. The warmest month in San Juan is typically August, which averages 29°C. The coolest month is January, with temperatures averaging 23°C. The rainiest month is September, and it usually rains the least in February.
Currently, United offers the cheapest flight tickets to San Juan.

Flying to San Juan

The things to know before you go.
Cheapest flight found$827
Cheapest month to flyNovember

Discover San Juan

How to find cheap flights to San Juan

  • At the moment, $827 is the lowest price for a one-way flight to San Juan. Or you can reserve a round-trip fare for $1,627.

  • There's no need to check back in every day when you create a Price Alert for San Juan tickets. We'll stay on top of it for you, sending updates when fares go down.

  • To pick up cheap tickets to San Juan, book six months before your journey. That's the general recommendation for scoring the best deals.

  • Broaden your search for cheap San Juan flights by choosing the 'Add nearby airports' box. You'll see fares for surrounding airports which could offer bigger savings.

  • If you're not in a hurry to get to the city, think about taking a longer or less direct route. You could find cheaper San Juan plane tickets by choosing a flight with a stop.

Best time to go to San Juan

  • The cheapest month to take off on a flight to San Juan is usually May.

  • To find the cheapest month or even day for San Juan flights, use the 'Whole month' tool. If your travel dates are flexible, search for the green prices on the calendar — they highlight the lowest fares available that month.

  • Plan your visit for July if you'd like to be there when it's busy. This is the most popular month for flights to San Juan, but also when tickets are likely to cost more.

  • Visit in May if you want to avoid the crowds. This is the least busy time of the year and also when San Juan plane tickets tend to be more affordable.

  • With averages between 23ºC (73ºF) and 33ºC (91ºF), September is when San Juan is at its warmest. Organise your visit around your preferred weather conditions to make the most of your time here.

  • Temperatures are lowest in February, when they range from 20ºC (68ºF) to 28ºC (82ºF).

Travelling to San Juan: what you need to know

Getting to central San Juan from Luis Munoz Marin International Airport (SJU)

  • Central San Juan is about 8 kilometres from SJU, the city's main gateway.

  • Once you've touched down from your flight to San Juan, driving to the centre will take around 10 minutes.

  • Roughly 55 minutes is how long it'll take to get there on public transport.

  • Curl up in bed not long after your San Juan flight. Book a room at any of these hotels near Luis Munoz Marin International Airport and you'll be fast asleep before you know it:

San Juan highlights

  • Put these popular attractions on your list of must-sees after hopping off your flight to San Juan:

    • Castillo San Felipe del Morro

    • La Garita del morro de san juan bahia

    • Fortaleza Street

Complete your trip with a San Juan car hire

Pick from a variety of car rentals in San Juan and go wherever, whenever. With one easy search, compare rates and score the best price after locking in your hotel and cheap flight to San Juan.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.