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Cheap flights from Austin to San Juan from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to San Juan departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Multiple Airlines Logo
1:41 pm - 12:29 pmAUS-SJU
20h 48m1 stop
Multiple Airlines Logo
6:00 am - 8:41 pmSJU-AUS
16h 41m1 stop
$238Multiple Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 12
Multiple Airlines Logo
1:41 pm - 12:29 pmAUS-SJU
20h 48m1 stop
Multiple Airlines Logo
6:00 am - 8:41 pmSJU-AUS
16h 41m1 stop
$239Multiple Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 12
United Airlines Logo
12:15 pm - 8:26 pmAUS-SJU
7h 11m1 stop
United Airlines Logo
6:45 am - 1:14 pmSJU-AUS
7h 29m1 stop
$245United Airlines
Find Deal
Mon, Oct 27 - Wed, Oct 29
Multiple Airlines Logo
1:41 pm - 12:29 pmAUS-SJU
20h 48m1 stop
Multiple Airlines Logo
1:59 am - 9:45 amSJU-AUS
9h 46m1 stop
$250Multiple Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13
American Airlines Logo
6:29 pm - 12:39 pmAUS-SJU
17h 10m1 stop
American Airlines Logo
2:47 pm - 10:07 pmSJU-AUS
9h 20m1 stop
$251American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Multiple Airlines Logo
4:30 pm - 3:16 pmAUS-SJU
21h 46m1 stop
Multiple Airlines Logo
9:00 am - 4:59 pmSJU-AUS
8h 59m1 stop
$253Multiple Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Frontier Logo
11:05 am - 12:41 amAUS-SJU
11h 36m1 stop
Frontier Logo
2:11 am - 4:02 pmSJU-AUS
15h 51m1 stop
$259Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
United Airlines Logo
9:44 am - 11:57 pmAUS-SJU
13h 13m2 stops
United Airlines Logo
7:30 am - 3:51 pmSJU-AUS
9h 21m1 stop
$267United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 29
Southwest Logo
8:45 pm - 9:55 amAUS-SJU
12h 10m1 stop
Southwest Logo
5:05 am - 3:25 pmSJU-AUS
11h 20m2 stops
$295Southwest
Find Deal
Mon, Oct 27 - Wed, Oct 29
Delta Logo
5:40 am - 2:14 pmAUS-SJU
6h 34m1 stop
Delta Logo
6:37 pm - 12:36 amSJU-AUS
7h 59m1 stop
$306Delta
Find Deal
Wed, Dec 10 - Wed, Dec 24

Southwest flights from Austin to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Oct 27
AUS8:45 pmAustin Bergstrom
12h 10m
1 stop
SJU9:55 amSan Juan Luis Munoz Marin Intl
Oct 29
SJU5:05 amSan Juan Luis Munoz Marin Intl
11h 20m
2 stops
AUS3:25 pmAustin Bergstrom
$295
Find similar
Southwest
Sep 26
AUS4:15 pmAustin Bergstrom
6h 35m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU7:20 amSan Juan Luis Munoz Marin Intl
12h 20m
1 stop
AUS6:40 pmAustin Bergstrom
$415
Find similar

Delta flights from Austin to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Dec 10
AUS5:40 amAustin Bergstrom
6h 34m
1 stop
SJU2:14 pmSan Juan Luis Munoz Marin Intl
Dec 24
SJU6:37 pmSan Juan Luis Munoz Marin Intl
7h 59m
1 stop
AUS12:36 amAustin Bergstrom
$306
Find similar
Delta
Sep 30
AUS11:59 amAustin Bergstrom
9h 01m
1 stop
SJU10:00 pmSan Juan Luis Munoz Marin Intl
Oct 4
SJU7:30 amSan Juan Luis Munoz Marin Intl
7h 20m
1 stop
AUS1:50 pmAustin Bergstrom
$395
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to San Juan Luis Munoz Marin Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Austin to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 12/7

1:41 pm-12:29 pm

1 stop20h 48m

San Juan Luis Munoz Marin Intl

Fri 12/12

6:00 am-8:41 pm

1 stop16h 41m

$238

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 12/7

1:41 pm-12:29 pm

1 stop20h 48m

San Juan Luis Munoz Marin Intl

Fri 12/12

6:00 am-8:41 pm

1 stop16h 41m

$239

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 10/27

12:15 pm-8:26 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Wed 10/29

6:45 am-1:14 pm

1 stop7h 29m

$245

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 12/7

1:41 pm-12:29 pm

1 stop20h 48m

San Juan Luis Munoz Marin Intl

Sat 12/13

1:59 am-9:45 am

1 stop9h 46m

$250

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 10/30

6:29 pm-12:39 pm

1 stop17h 10m

San Juan Luis Munoz Marin Intl

Mon 11/3

2:47 pm-10:07 pm

1 stop9h 20m

$251

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 10/16

4:30 pm-3:16 pm

1 stop21h 46m

San Juan Luis Munoz Marin Intl

Mon 10/20

9:00 am-4:59 pm

1 stop8h 59m

$253

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 11/13

11:05 am-12:41 am

1 stop11h 36m

San Juan Luis Munoz Marin Intl

Sun 11/16

2:11 am-4:02 pm

1 stop15h 51m

$259

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 10/15

9:44 am-11:57 pm

2 stops13h 13m

San Juan Luis Munoz Marin Intl

Wed 10/29

7:30 am-3:51 pm

1 stop9h 21m

$267

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 10/27

8:45 pm-9:55 am

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Wed 10/29

5:05 am-3:25 pm

2 stops11h 20m

$295

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 12/10

5:40 am-2:14 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 12/24

6:37 pm-12:36 am

1 stop7h 59m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Austin to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Austin and San Juan Luis Munoz Marin Intl Airport?

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

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $375.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Austin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $412. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $606.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $396. Flights in the morning are often more expensive with an average ticket price of $606.

What is the cheapest Austin Bergstrom to San Juan Luis Munoz Marin Intl flight route?

Fly from Austin Bergstrom to San Juan Luis Munoz Marin Intl for the best Austin Bergstrom - San Juan Luis Munoz Marin Intl flight prices

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

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $444 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Austin for as low as $397 on momondo.

What cabin class options are available on Austin Bergstrom to San Juan Luis Munoz Marin Intl flights?

There is only 1 cabin class available to choose from on Austin Bergstrom to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Austin to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 12% on your flight if you consider stops on a Austin to San Juan Luis Munoz Marin Intl Airport flight.

How have Austin to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of September 2025, prices for Austin to San Juan Luis Munoz Marin Intl Airport flights are approximately 41% more expensive when compared to flights at the same time last year.

When to book flights from Austin to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to San Juan Luis Munoz Marin Intl Airport (AUS to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$776

Fastest flight time

4h 15m

Direct flights

Sun
The best flight deal from Austin to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $776
The fastest flight from Austin to San Juan Luis Munoz Marin Intl Airport takes 4h 15m
Direct flights go from Austin to San Juan Luis Munoz Marin Intl Airport on Sunday. There are no airlines offering direct flights.
Search flight deals

  • How far is Austin Bergstrom to San Juan Luis Munoz Marin Intl by plane?

    Austin Bergstrom and San Juan Luis Munoz Marin Intl are 2148.0 mi apart from one another. By plane, this route typically takes 6h 17m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Austin to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Austin to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Austin to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Austin to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $145Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $177Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $251Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
JetBluePriceFrom $345Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Austin to San Juan?

Finding the right flight to San Juan from Austin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Austin to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan from Austin with this policy.

How can momondo help me find flights from Austin to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Austin to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Austin to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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