Cheap Flights from Austin-Bergstrom to San Juan

Compare Austin-Bergstrom to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Austin-Bergstrom to San Juan

Looking for a cheap last-minute deal or the best return flight from Austin-Bergstrom to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Austin-Bergstrom to San Juan

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

Direct flights from Austin-Bergstrom to San Juan

Alternative Austin-Bergstrom to San Juan routes

Looking for the cheapest, fastest or easiest route from Austin-Bergstrom to San Juan? You could fly into the following airports instead.

Austin to San Juan: Flight information

The things to know before you go.
Cheapest flight found145 €
Cheapest month to flyAugust
Average flight time4 hrs, 34 mins
Most popular airlineSouthwest Airlines
Average flights per week1

Finding cheap flights from Austin-Bergstrom 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 Austin-Bergstrom to San Juan is 145 €. 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.
4 hours and 34 minutes is the average flight time from Austin-Bergstrom to San Juan.
Southwest Airlines flies direct from Austin-Bergstrom to San Juan.
As of June 2025, there is one flight per week flying from Austin-Bergstrom to San Juan.
The cheapest month to fly from Austin-Bergstrom to San Juan is usually June 2025.
If you're flying from Austin-Bergstrom 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 145 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Austin-Bergstrom Airport to San Juan on Saturday, 23 August 2025.
Yes – the average flight time is 4 hours and 34 minutes.
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 June, 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, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to San Juan.

Travelling from Austin-Bergstrom International Airport (AUS) to San Juan: what you need to know

  • The average time for a direct flight from Austin-Bergstrom International Airport to San Juan is 5 hours 15 minutes.

  • The timezone in San Juan is UTC-4. The city is one hour ahead of Austin, where Austin-Bergstrom International Airport is located.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your AUS to San Juan flight.

  • If you're heading away during a bank holiday or another peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • You can book a direct Austin-Bergstrom International Airport to San Juan ticket. Start your journey at AUS and arrive at Luis Munoz Marin International Airport (SJU).

  • Get on board with Southwest Airlines. This leading carrier offers direct flights from Austin-Bergstrom International Airport to San Juan.

  • Stopovers are the perfect opportunity to break up your journey and possibly even tick a new city off your list. When searching for plane tickets from AUS to San Juan, deselect the 'Direct flights only' box to see where you can stop along the way. Top options include:

    • Miami International Airport (MIA)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Louis Armstrong New Orleans International Airport (MSY)

  • The journey from central Austin to AUS takes about 3 hours 25 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 11 kilometres in 25 minutes or so, depending on traffic conditions.

  • Have an early flight from Austin-Bergstrom International Airport to San Juan? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to AUS:

  • Austin-Bergstrom International Airport scores top marks for on-time performance. 81.23% of flights that take off from AUS arrive at their destination without delay.

  • You'll find AUS at 3600 Presidential Blvd.

How to find the cheapest flights from Austin-Bergstrom International Airport (AUS) to San Juan

  • 73 € is the cheapest price we've seen for a one-way Austin-Bergstrom International Airport to San Juan flight. A return plane ticket right now is 145 €. Depending on when you book and the availability, these fares could change.

  • To secure cheap flights from AUS to San Juan, reserve your trip one month before your departure date.

  • Plan your trip for May. That's the best month for landing an awesome deal on Austin-Bergstrom International Airport to San Juan tickets. If you're flexible with your travel dates, use the 'Whole month' tool to access the cheapest price across every month.

  • Finding a cheap flight from AUS to San Juan couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch as soon as the price has dropped.

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

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 10 minutes to reach by car. The centre is roughly 8 kilometres away.

  • It takes around 55 minutes when travelling by public transport.

  • If you have a late flight from Austin-Bergstrom International Airport to San Juan, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these hotels near SJU:

  • Travel at your own speed with a Luis Munoz Marin International Airport rental car. Pick up your wheels from Sixt, Ace Rent a Car or U-Save and venture far and wide through San Juan and beyond.

  • Booking your vehicle from Luis Munoz Marin International Airport around two weeks ahead of your flight from AUS to San Juan can help you get the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Central San Juan is located around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). After your flight from Austin-Bergstrom International Airport to San Juan has landed and you've navigated your way to arrivals, the drive should be around 15 minutes.

  • If you choose to travel on public transport, you'll get to the city centre in 1 hour or so.

  • There are some great places to park your luggage (and yourself) near SIG. Kick back and get cosy after your AUS to San Juan flight at one of these perfectly located options:

Best time to go to San Juan

  • Before locking in your flights from Austin-Bergstrom International Airport to San Juan, consider which time of year is best for you. Peak season in San Juan offers a bustling atmosphere and plenty of things to do, while the off-season means you'll get cheaper hotel rates and smaller crowds.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Lock in your Austin-Bergstrom International Airport to San Juan plane ticket then if you enjoy this type of weather.

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

More about San Juan

  • Start your San Juan trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Austin-Bergstrom International Airport to San Juan, check out our range of hotels including:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are a couple of top-rated attractions to add to your San Juan must-do list. Keep the momentum going by heading to Fortaleza Street.

Explore more of Puerto Rico

  • You've seen San Juan, now it's time to discover more of Puerto Rico. Journey about 113 kilometres west to Aguadilla to check off its leading attractions. From El Parterre to Aguadilla Ice Skating Arena and Bandera de los Reyes Magos, you'll have a full itinerary ahead.

  • Isabela is another well-known destination in Puerto Rico and is around 105 kilometres west of San Juan. No journey is complete without visiting Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

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