Cheap Flights from Adelaide to San Juan

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Flight deals from Adelaide to San Juan

Looking for a cheap last-minute deal or the best return flight from Adelaide Airport to San Juan? If you want to travel next month, return fares start from R 38,333. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Adelaide to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Adelaide to San Juan flights are currently cheapest in October.

Adelaide to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 15,936
Cheapest month to flyOctober

Finding cheap flights from Adelaide to San Juan: 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.
The best price we found for a return flight from Adelaide to San Juan is R 38,333. 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.
Currently, there are no airlines that fly direct from Adelaide to San Juan. But we found flights with one or more stops from R 38,333.
As of July 2026, there are no flights flying from Adelaide to San Juan.
The cheapest month to fly from Adelaide to San Juan is usually August.
If you're flying from Adelaide Airport, 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 R 38,333.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Adelaide Airport to San Juan on Wednesday, 19 August 2026.
No airlines currently offer direct flights between Adelaide Airport and San Juan. Most routes have one or more stops.
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.

In July, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Qatar Airways offers the cheapest flight tickets to San Juan.

Travelling from Adelaide Airport (ADL) to San Juan: what you need to know

  • Adelaide Airport is located in Adelaide. Based in the UTC-4 timezone, San Juan is 14 hours 30 minutes behind Adelaide.

  • Leave plenty of time to get on your ADL to San Juan flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

  • ADL is around 6 kilometres from central Adelaide. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 15 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 50 minutes.

  • In search of a hotel near ADL? If you're catching an early flight from Adelaide Airport to San Juan, these stays will put you moments from your departure gate:

  • When it comes to the on-time performance of Adelaide Airport, data shows 75.6% of flights meet their scheduled arrival time.

How to find the cheapest flights from Adelaide Airport (ADL) to San Juan

  • R 15,936 is the cheapest price we've found for a one-way Adelaide Airport to San Juan flight. A return ticket right now is R 38,333. Depending on when you want to go and the availability, these fares can change.

  • To find cheap flights from ADL to San Juan, book as early as you can. Airlines tend to offer their most competitively priced fares when flights first go on sale.

  • If you're flexible with your travel plans, check out the 'Whole month' tool. It'll find the cheapest price across every month when searching for an Adelaide Airport to San Juan ticket.

  • Cut down on the time spent looking for cheap flights from ADL to San Juan by setting up a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

  • Select your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Adelaide Airport to San Juan by 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 8 kilometres. It'll take you around 10 minutes to get to the centre driving.

  • It'll take around 55 minutes to get there using public transport.

  • If you have a late flight from Adelaide Airport to San Juan, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting soon after at one of these hotels near SJU:

  • Get on the fast track to adventure by picking up a Luis Munoz Marin International Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and experience the lesser-explored corners of San Juan and beyond.

  • Reserving your ride from Luis Munoz Marin International Airport about two weeks in advance of your flight from ADL to San Juan can help you secure the lowest rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is about 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from Adelaide Airport to San Juan has touched down and you've made your way through the terminal, expect a drive of about 15 minutes.

  • If you're travelling on public transport, it'll take about 1 hour.

  • Following your ADL to San Juan flight, kick back at a hotel close to SIG. These are some comfortable accommodation options that'll help you slip into relaxation mode:

Best time to go to San Juan

  • Before scheduling your flights from Adelaide Airport to San Juan, consider which time of year is best for you. High season in San Juan offers a bustling atmosphere and plenty of activities, while the off-season brings cheaper hotel rates and smaller crowds.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Book your Adelaide Airport to San Juan plane ticket then if that's the weather you find most pleasant.

  • If you like cooler conditions, search for a cheap ticket from ADL to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • Start your San Juan trip right by choosing the perfect place to stay. After booking your flight from Adelaide Airport to San Juan, explore our selection of accommodation options including:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are just the start of the top-rated attractions to add to your San Juan must-do list. Continue your sightseeing adventures at Fortaleza Street.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be discovered after you've seen San Juan. Around 113 kilometres away to the west, well-known attractions include El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Isabela is another standout destination in Puerto Rico and is around 105 kilometres west of San Juan. No journey is complete without a visit to Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.