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Cheap Flights from Austin 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.
San Juan.$400 per passenger.Departing Sat, 10 May, returning Sun, 11 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Sat, 10 May, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Sun, 11 May, arriving in Austin-Bergstrom.Price includes taxes and charges.From $400, select.
San Juan.$409 per passenger.Departing Sat, 25 Oct, returning Tue, 28 Oct.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Sat, 25 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 28 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From $409, select.
San Juan.$409 per passenger.Departing Sat, 8 Nov, returning Tue, 11 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Sat, 8 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Tue, 11 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From $409, select.
San Juan.$415 per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Tue, 15 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Tue, 22 Jul, arriving in Austin-Bergstrom.Price includes taxes and charges.From $415, select.
San Juan.$420 per passenger.Departing Wed, 30 Apr, returning Sat, 3 May.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Wed, 30 Apr, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 3 May, arriving in Austin-Bergstrom.Price includes taxes and charges.From $420, select.
San Juan.$425 per passenger.Departing Wed, 29 Oct, returning Wed, 5 Nov.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Wed, 29 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 5 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From $425, select.
San Juan.$425 per passenger.Departing Mon, 15 Sep, returning Wed, 10 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Mon, 15 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Wed, 10 Dec, arriving in Austin-Bergstrom.Price includes taxes and charges.From $425, select.
San Juan.$425 per passenger.Departing Sun, 11 Jan, returning Sat, 17 Jan.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Sun, 11 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 17 Jan, arriving in Austin-Bergstrom.Price includes taxes and charges.From $425, select.

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 May.
Apr
from $478
May
from $400
Jun
from $514
Jul
from $415
Aug
from $478
Sep
from $792
Oct
from $409
Nov
from $409
Dec
from $1,046
Jan
from $425
Feb
from $459
Mar
from $750

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 found$400
Cheapest month to flyMay
Average flight time4 hrs, 34 mins
Most popular airlineSouthwest Airlines
Average flights per week2

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 $400. 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 April 2025, there are 2 flights per week flying from Austin-Bergstrom to San Juan.
The cheapest month to fly from Austin-Bergstrom to San Juan is usually April 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 $400.
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, 10 May 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 April, the average temperature is usually around 26°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, Southwest Airlines offers the cheapest flight tickets to San Juan.

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

  • Expect to be in the air for 5 hours 20 minutes. That's the average journey time for a direct flight from Austin-Bergstrom International Airport to San Juan.

  • San Juan is 1 hour ahead of Austin, where Austin-Bergstrom International Airport is located. San Juan operates on the UTC-4 timezone.

  • To ensure you catch your flight from AUS to San Juan, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the standard rule.

  • Peak months like July or holiday times such as spring break and Christmas will mean bigger lines at check-in and security. Be on the safe side and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a wise idea.

  • You can book a nonstop flight from Austin-Bergstrom International Airport to San Juan that touches down at Luis Munoz Marin International Airport (SJU).

  • Southwest Airlines is a popular carrier that offers direct flights from Austin-Bergstrom International Airport to San Juan.

  • Stopovers are the ideal opportunity to break up your trip — and possibly even explore a different city. When searching for flights from AUS to San Juan, deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Miami International Airport (MIA)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Louis Armstrong New Orleans International Airport (MSY)

  • You don't need a visa for Puerto Rico if you hold a passport from United States and are visiting for tourism purposes. Visa and travel documentation requirements are subject to change. So before reserving your cheap tickets from Austin-Bergstrom International Airport to San Juan, check with your airline and your destination country's local consulate or embassy for up-to-date information.

  • The journey from central Austin to AUS takes approximately 3 hours and 24 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic conditions.

  • After a hassle-free start to your break? Stay near AUS. Whether you have an early flight from Austin-Bergstrom International Airport to San Juan or just don't like being rushed, these hotels are just the thing:

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

  • $194 is the cheapest price we've seen for a one-way ticket from Austin-Bergstrom International Airport to San Juan. For a return flight on this route, the best price is $400. Depending on how early you book and the availability, these fares may change.

  • Score cheap tickets from AUS to San Juan by booking at least 9 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for tickets from Austin-Bergstrom International Airport to San Juan is May. You can easily compare prices using the 'Whole month' tool to find the cheapest day to fly.

  • Sign into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you time looking for flight tickets from AUS to San Juan every day.

  • Use the filters to tailor your flights from Austin-Bergstrom International Airport to San Juan. Simply enter your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). As soon as 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 14 minutes.

  • You can also travel using public transport, which will take around 58 minutes.

  • There are some great places to call home for the night near SIG. Tuck yourself in and get cosy after your flight from AUS to San Juan at one of these well-located options:

Best time to go to San Juan

  • July is the busiest month for flights from Austin-Bergstrom International Airport to San Juan. To escape the crowds, travel to San Juan in May when things are quieter.

  • Before booking a flight from Austin-Bergstrom International Airport to San Juan, think about the type of weather you enjoy. September is the warmest month in San Juan, with temperatures ranging from 23ºC to 33ºC.

  • February sees average temperatures of between 20ºC and 28ºC. Look for cheap flights from AUS to San Juan sometime then if you like cooler conditions.

More about San Juan

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

  • Castillo San Felipe del Morro and La Garita del morro de san juan bahia are a couple of popular attractions to add to your San Juan to-do list. Keep the adventure rolling by checking out Fortaleza Street.

Complete your San Juan trip with a car rental

  • Select one of our car rentals in San Juan and explore the city on your own terms. Easily compare options in one go to find the perfect ride once you've booked your hotel and cheap flights from Austin-Bergstrom International Airport to San Juan.

Plan the rest of your trip from Austin to San Juan

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