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Cheap Flights from Austin (AUS) to San Juan (SJUA)

Compare Austin-Bergstrom to San Juan flight deals

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

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Flight deals from Austin-Bergstrom to San Juan

Looking for a cheap last-minute deal or the best return flight from Austin-Bergstrom Airport to San Juan? If you want to travel next month, return fares start from $503. Find the lowest prices on one-way and return tickets right here.
San Juan.$383 per passenger.Departing Wed, 19 Aug, returning Mon, 31 Aug.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Wed, 19 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Mon, 31 Aug, arriving in Austin-Bergstrom.Price includes taxes and charges.From $383, select.
San Juan.$407 per passenger.Departing Thu, 24 Sep, returning Sun, 27 Sep.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Thu, 24 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sun, 27 Sep, arriving in Austin-Bergstrom.Price includes taxes and charges.From $407, select.
San Juan.$458 per passenger.Departing Tue, 18 Aug, returning Tue, 1 Sep.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Tue, 18 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 1 Sep, arriving in Austin-Bergstrom.Price includes taxes and charges.From $458, select.
San Juan.$458 per passenger.Departing Sat, 24 Oct, returning Tue, 27 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Sat, 24 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Tue, 27 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From $458, select.
San Juan.$459 per passenger.Departing Sat, 24 Oct, returning Wed, 4 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Sat, 24 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Wed, 4 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From $459, select.
San Juan.$470 per passenger.Departing Tue, 28 Jul, returning Fri, 21 Aug.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Tue, 28 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 21 Aug, arriving in Austin-Bergstrom.Price includes taxes and charges.From $470, select.
San Juan.$472 per passenger.Departing Sat, 7 Nov, returning Sat, 14 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Sat, 7 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Sat, 14 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From $472, select.
San Juan.$491 per passenger.Departing Wed, 20 Jan, returning Wed, 20 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Wed, 20 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Wed, 20 Jan, arriving in Austin-Bergstrom.Price includes taxes and charges.From $491, select.
San Juan.$501 per passenger.Departing Mon, 20 Jul, returning Wed, 22 Jul.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Mon, 20 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 22 Jul, arriving in Austin-Bergstrom.Price includes taxes and charges.From $501, select.
San Juan.$518 per passenger.Departing Mon, 28 Sep, returning Sat, 3 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Mon, 28 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Sat, 3 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From $518, select.
San Juan.$519 per passenger.Departing Wed, 26 Aug, returning Fri, 30 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Wed, 26 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Fri, 30 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From $519, select.
San Juan.$519 per passenger.Departing Mon, 1 Mar, returning Sat, 6 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Austin-Bergstrom on Mon, 1 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Sat, 6 Mar, arriving in Austin-Bergstrom.Price includes taxes and charges.From $519, select.
San Juan.$520 per passenger.Departing Sat, 6 Feb, returning Sat, 13 Feb.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Sat, 6 Feb, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 13 Feb, arriving in Austin-Bergstrom.Price includes taxes and charges.From $520, select.
San Juan.$520 per passenger.Departing Tue, 26 Jan, returning Wed, 3 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Austin-Bergstrom on Tue, 26 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Wed, 3 Feb, arriving in Austin-Bergstrom.Price includes taxes and charges.From $520, select.
San Juan.$525 per passenger.Departing Tue, 17 Nov, returning Tue, 1 Dec.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Tue, 17 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 1 Dec, arriving in Austin-Bergstrom.Price includes taxes and charges.From $525, select.
San Juan.$543 per passenger.Departing Sun, 28 Jun, returning Wed, 8 Jul.Return flight with United.Outbound indirect flight with United, departs from Austin-Bergstrom on Sun, 28 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 8 Jul, arriving in Austin-Bergstrom.Price includes taxes and charges.From $543, 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 August.
Jun
from $601
Jul
from $501
Aug
from $383
Sep
from $407
Oct
from $458
Nov
from $472
Dec
from $550
Jan
from $491
Feb
from $520
Mar
from $519
Apr
from $689
May
Find prices

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.

San Juan Isla Grande

1km from central San Juan
Closest
Search flights

San Juan Luis Munoz Marin

11km from central San Juan
Cheapest
from $383
Search flights

Roosevelt Roads

55km from central San Juan
Search flights

Ponce

70km from central San Juan
from $529
Search flights

Vieques

82km from central San Juan
Search flights

Culebra

85km from central San Juan
Search flights

Austin to San Juan: Flight information

The things to know before you go.
Cheapest flight found$383
Cheapest month to flyAugust
Average flight time4 hrs, 32 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 $383. 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 32 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 2026, 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 August.
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 $383.
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 Wednesday, 19 August 2026.
Yes – the average flight time is 4 hours and 32 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, United 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 duration of a direct flight from Austin-Bergstrom International Airport to San Juan is 5 hours 10 minutes.

  • San Juan is two hours ahead of Austin, where Austin-Bergstrom International Airport is located. San Juan observes the UTC-4 timezone.

  • To avoid rushing for your AUS to San Juan flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • During popular months like July, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during peak periods in general.

  • Start your journey at AUS and fly straight to Luis Munoz Marin International Airport (SJU). That will be your arrival point when searching for Austin-Bergstrom International Airport to San Juan tickets.

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

  • Think about adding a stopover to potentially save on your plane ticket from AUS to San Juan. Simply deselect 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these connection hubs:

    • Miami International Airport (MIA)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Louis Armstrong New Orleans Intl Airport (MSY)

  • Located around 11 kilometres from the centre of Austin, AUS can be reached in about 20 minutes by car, depending on traffic. The journey on public transport will take roughly 45 minutes.

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

  • Of the flights that depart from Austin-Bergstrom International Airport, 77% arrive as scheduled at their destination.

  • AUS's address is 3600 Presidential Blvd.

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

  • $229 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 $383. Depending on how early you book and the availability, these fares could change.

  • Don't leave things to the last moment. You're more likely to land cheap flights from AUS to San Juan if you book early. Airlines often have some fantastic early bird deals.

  • The 'Whole month' tool will show you the cheapest tickets from Austin-Bergstrom International Airport to San Juan across the month. It's a great way to snap up a bargain if your trip dates aren't set in stone.

  • Cut down on the time spent looking for cheap flights from AUS to San Juan by creating a Price Alert. You'll get an email or push notification on the app when a new low fare is offered.

  • Tailor your flights with filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Austin-Bergstrom International Airport to San Juan.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 20 minutes to reach by car. The centre is roughly 11 kilometres away.

  • When travelling by public transport, expect a journey time of about 1 hour.

  • Look into staying at a hotel close to SJU if you're coming in on a late flight from Austin-Bergstrom International Airport to San Juan. Pick one of these accommodation options and make your arrival easier:

  • Secure the lowest price by booking your ride from Luis Munoz Marin International Airport about two weeks in advance of your flight from AUS to San Juan.

Best time to go to San Juan

  • December is the quietest month for flights from Austin-Bergstrom International Airport to San Juan, while March is the most popular. Pick the ideal time to go to San Juan based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in San Juan is August, with temperatures ranging between 24ºC (75ºF) and 32ºC (90ºF). Book your Austin-Bergstrom International Airport to San Juan plane ticket then if that's your definition of good weather.

  • Search for cheap tickets from AUS to San Juan in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 21ºC (70ºF) and 28ºC (82ºF) on average.

More about San Juan

  • Start your San Juan trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Austin-Bergstrom International Airport to San Juan, browse our range of hotels including:

  • Esperanza Beach and Balneario El Escambron are just the start of the major attractions to add to your San Juan to-do list. Keep the adventure rolling by checking out Escambron Green.

Explore more of Puerto Rico

  • You've visited San Juan, now it's time to explore other corners of Puerto Rico. Travel about 113 kilometres west to Aguadilla to tick off its popular sights. From Silla Aguadilla to Bridges Surf Beach and Playa Rompe Olas, you'll have a packed itinerary ahead.

  • Around 105 kilometres west of San Juan, Isabela is another essential stop in Puerto Rico. Experience this destination's highlights firsthand at Playa montones, Shore Island Beach and Guajataca Forest Reserve.

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 12 days.