SJU - AUS

$178 Find Cheap Flights from San Juan to Austin - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Juan to Austin departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$286
Typical prices: $255-$410
American Airlines
Thu 9/24Tue 9/29
SJU - AUS • 1 stop
Cheapest non-stop
$440
JetBlue
Sat 11/21Sat 11/28
SJU - AUS • Non-stop
Nonstop flights
Not available
There are currently no direct flights between San Juan and Austin. You'll need at least 1 connection.
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Top layover airports
Washington, D.C. (IAD)
Cheapest • Avg $282 (round-trip)
Houston (IAH)
Shortest trip • 7h 28m (one-way)
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When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 32% compared to booking last minute.
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When to travel
January
Cheapest • 29% price drop
October
Most popular
Good to know
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We hope you love your trip to Austin!
Flight Deals
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Flight Deals

Cheap Flights from San Juan to Austin (SJU-AUS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Juan to Austin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Juan to Austin

Thu, Sep 24 - Tue, Sep 29
American Airlines Logo
4:19 pm - 8:31 am
SJU
-
AUS
17h 12m
1 stop
American Airlines Logo
5:05 am - 3:40 pm
AUS
-
SJU
9h 35m
1 stop
$286American Airlines
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
4:19 pm - 9:38 am
SJU
-
AUS
18h 19m
1 stop
American Airlines Logo
5:05 am - 3:40 pm
AUS
-
SJU
9h 35m
1 stop
$286American Airlines
Wed, Sep 2 - Tue, Sep 8
JetBlue Logo
5:05 am - 11:48 am
SJU
-
AUS
7h 43m
1 stop
JetBlue Logo
7:00 am - 2:38 pm
AUS
-
SJU
6h 38m
1 stop
$292JetBlue
Wed, Sep 2 - Tue, Sep 8
JetBlue Logo
5:00 pm - 11:08 pm
SJU
-
AUS
7h 08m
1 stop
JetBlue Logo
12:50 pm - 8:27 pm
AUS
-
SJU
6h 37m
1 stop
$292JetBlue
Wed, Sep 2 - Tue, Sep 8
Southwest Logo
6:00 am - 4:20 pm
SJU
-
AUS
11h 20m
2 stops
Southwest Logo
9:50 am - 10:05 pm
AUS
-
SJU
11h 15m
1 stop
$294Southwest
Fri, Oct 2 - Sun, Oct 18
Southwest Logo
6:00 am - 11:55 am
SJU
-
AUS
6h 55m
1 stop
Southwest Logo
9:10 pm - 9:20 am
AUS
-
SJU
11h 10m
1 stop
$294Southwest
Fri, Oct 30 - Mon, Nov 9
United Airlines Logo
1:05 am - 12:18 pm
SJU
-
AUS
12h 13m
1 stop
United Airlines Logo
12:16 pm - 9:24 pm
AUS
-
SJU
7h 08m
1 stop
$296United Airlines
Sat, Sep 12 - Sun, Sep 20
United Airlines Logo
1:00 am - 9:26 am
SJU
-
AUS
9h 26m
1 stop
United Airlines Logo
7:00 am - 3:42 pm
AUS
-
SJU
7h 42m
1 stop
$296United Airlines
Sun, Nov 1 - Sun, Nov 8
Delta Logo
6:59 pm - 12:21 am
SJU
-
AUS
7h 22m
1 stop
Delta Logo
6:25 am - 5:49 pm
AUS
-
SJU
9h 24m
1 stop
$296Delta
Sun, Nov 1 - Sat, Nov 7
Delta Logo
6:59 pm - 12:21 am
SJU
-
AUS
7h 22m
1 stop
Delta Logo
1:20 pm - 11:18 pm
AUS
-
SJU
7h 58m
1 stop
$296Delta
Booking Insights

KAYAK's insights & trends for San Juan to Austin flights

Get data-powered insights and trends into flights from San Juan to Austin to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Juan Luis Munoz Marin Intl Airport to Austin?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Austin departing in September.

Flight prices are below average for this route right now.

Flights to Austin from San Juan Luis Munoz Marin Intl Airport usually cost between $338 and $456 in September.
The lowest price found in the past 5 days was $286 on American Airlines (Sep 24-Sep 29).

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Austin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Austin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Juan Luis Munoz Marin Intl Airport to Austin is January, where tickets cost $280 (return) on average. On the other hand, the most expensive months are May and June, where the average cost of round-trip tickets is $514 and $486 respectively.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to Austin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Austin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Juan Luis Munoz Marin Intl Airport to Austin, you should book around 3 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

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Expert advice

Expert advice for your flight from San Juan to Austin

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Harriet Baskas

Harriet Baskas

Expert on AUS

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Good to know

Low season

September

Cheapest flight

$178
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from San Juan to Austin

When to book flights from San Juan to Austin

Are your dates flexible? Find out the best times to travel from San Juan to Austin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Juan to Austin flights

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Austin?

    In the last 5 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to Austin was $178 for a one-way ticket and $286 for a round-trip.

  • Do I need a passport to fly between San Juan and Austin?

    Yes, you’ll need a passport to travel to Austin from San Juan.

  • Which aircraft models fly most regularly from San Juan to Austin?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the San Juan to Austin flight route.

  • Which airline alliances offer flights from San Juan to Austin?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between San Juan and Austin, with SkyTeam being the most commonly used for this route.

  • What is the most popular layover when flying to Austin from San Juan?

    Miami is the most popular layover city among KAYAK users traveling from San Juan to Austin.

  • Which is the best airline for flights from San Juan to Austin, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Juan to Austin are Southwest and Delta. With an average price for the route of $486 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $423 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Juan to Austin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Juan to Austin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Juan to Austin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Austin from San Juan is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Juan to Austin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Austin with an airline and back to San Juan with another airline. Booking your flights between San Juan and AUS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan to Austin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Austin from San Juan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Juan to Austin

Information on your arrival and departure airports

San Juan (SJU)
Austin (AUS)