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Cheap flights from Austin to San Juan from $94

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 9/15. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Austin to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:33 pm - 3:17 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
19h 44m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Frontier Logo
2:57 am - 10:03 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
8h 06m1 stop Orlando
$296Frontier
Tue, Sep 29 - Fri, Oct 2
Frontier Logo
10:58 am - 8:48 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
8h 50m1 stop Orlando
Frontier Logo
8:45 am - 5:48 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
34h 03m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
$297Frontier
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
4:31 pm - 9:46 amAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
16h 15m1 stop Miami
American Airlines Logo
12:41 pm - 10:20 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
10h 39m1 stop Charlotte Douglas
$297American Airlines
Tue, Oct 13 - Sat, Oct 17
American Airlines Logo
5:00 am - 3:29 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
9h 29m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 2:24 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
9h 24m2 stops Miami Dallas/Fort Worth
$297American Airlines
Sun, Sep 20 - Tue, Sep 29
Southwest Logo
12:55 pm - 10:05 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
8h 10m2 stops Houston Hobby Orlando
Southwest Logo
10:50 pm - 8:40 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
10h 50m1 stop Orlando
$297Southwest
Wed, Sep 23 - Thu, Oct 8
Southwest Logo
7:50 am - 7:05 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
10h 15m1 stop Tampa
Southwest Logo
5:00 am - 2:05 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
10h 05m2 stops Orlando Miami
$302Southwest
Wed, Sep 9 - Thu, Sep 10
United Airlines Logo
12:12 pm - 8:38 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
7h 26m1 stop Houston George Bush Intcntl
United Airlines Logo
1:00 am - 9:26 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
9h 26m1 stop Newark
$306United Airlines
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
7:00 am - 3:12 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
7h 12m1 stop Houston George Bush Intcntl
United Airlines Logo
1:00 am - 9:26 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
9h 26m1 stop Newark
$306United Airlines
Wed, Sep 16 - Sat, Sep 19
JetBlue Logo
1:00 pm - 10:13 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
8h 13m1 stop Fort Lauderdale
JetBlue Logo
6:25 am - 11:48 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
6h 23m1 stop Fort Lauderdale
$309JetBlue
Tue, Oct 13 - Wed, Oct 14
JetBlue Logo
3:20 pm - 11:28 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
6h 08m1 stop Fort Lauderdale
JetBlue Logo
6:10 pm - 11:13 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
7h 03m1 stop Fort Lauderdale
$311JetBlue
Wed, Dec 2 - Wed, Dec 9

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Southwest flights from Austin to San Juan

Our best Southwest deals on Austin to San Juan flight tickets
Southwest
Aug 18
AUS7:50 amAustin Bergstrom
10h 10m
1 stop
SJU7:00 pmSan Juan Luis Munoz Marin Intl
Sep 1
SJU5:15 amSan Juan Luis Munoz Marin Intl
10h 45m
1 stop
AUS3:00 pmAustin Bergstrom
$323
Southwest
Sep 23
AUS12:55 pmAustin Bergstrom
8h 10m
2 stops
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU5:15 amSan Juan Luis Munoz Marin Intl
8h 00m
2 stops
AUS12:15 pmAustin Bergstrom
$326
Southwest
Aug 24
AUS11:15 amAustin Bergstrom
10h 35m
1 stop
SJU10:50 pmSan Juan Luis Munoz Marin Intl
Aug 27
SJU5:00 amSan Juan Luis Munoz Marin Intl
6h 40m
1 stop
AUS10:40 amAustin Bergstrom
$328

American Airlines flights from Austin to San Juan

Our best American Airlines deals on Austin to San Juan flight tickets
American Airlines
Aug 29
AUS6:02 pmAustin Bergstrom
14h 41m
1 stop
SJU9:43 amSan Juan Luis Munoz Marin Intl
Sep 4
SJU1:38 pmSan Juan Luis Munoz Marin Intl
9h 17m
1 stop
AUS9:55 pmAustin Bergstrom
$298
American Airlines
Aug 26
AUS6:00 amAustin Bergstrom
11h 33m
2 stops
SJU6:33 pmSan Juan Luis Munoz Marin Intl
Aug 31
SJU7:24 pmSan Juan Luis Munoz Marin Intl
16h 58m
1 stop
AUS11:22 amAustin Bergstrom
$301
American Airlines
Oct 3
AUS5:35 pmAustin Bergstrom
14h 49m
2 stops
SJU9:24 amSan Juan Luis Munoz Marin Intl
Oct 8
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 06m
1 stop
AUS5:06 pmAustin Bergstrom
$302

momondo Fare Finder

 
Customize your flight search to find flights from Austin to San Juan 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 August 15, 2026.
Use the filters below to find and compare flights from Austin to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 9/29

6:33 pm-3:17 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Fri 10/2

2:57 am-10:03 am

1 stop8h 06m

$296

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Sat 9/19

10:58 am-8:48 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Tue 9/22

8:45 am-5:48 pm

2 stops34h 03m

$297

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 10/13

4:31 pm-9:46 am

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Sat 10/17

12:41 pm-10:20 pm

1 stop10h 39m

$297

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Sun 9/20

5:00 am-3:29 pm

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Tue 9/29

6:00 am-2:24 pm

2 stops9h 24m

$297

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Wed 9/23

12:55 pm-10:05 pm

2 stops8h 10m

San Juan Luis Munoz Marin Intl

Thu 10/8

10:50 pm-8:40 am

1 stop10h 50m

$297

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Wed 9/9

7:50 am-7:05 pm

1 stop10h 15m

San Juan Luis Munoz Marin Intl

Thu 9/10

5:00 am-2:05 pm

2 stops10h 05m

$302

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 9/15

12:12 pm-8:38 pm

1 stop7h 26m

San Juan Luis Munoz Marin Intl

Sat 9/19

1:00 am-9:26 am

1 stop9h 26m

$306

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Wed 9/16

7:00 am-3:12 pm

1 stop7h 12m

San Juan Luis Munoz Marin Intl

Sat 9/19

1:00 am-9:26 am

1 stop9h 26m

$306

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 10/13

1:00 pm-10:13 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Wed 10/14

6:25 am-11:48 am

1 stop6h 23m

$309
Quickest round-trip

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Wed 12/2

3:20 pm-11:28 pm

1 stop6h 08m

San Juan Luis Munoz Marin Intl

Wed 12/9

6:10 pm-11:13 pm

1 stop7h 03m

$311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Austin to San Juan

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?

Prices are currently low for flights on this route.

Typical prices usually range from $356 to $498.
The lowest price recently found on this route was $296.

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in January, then October is your next best option. Flight prices from Austin to San Juan during October average around $376.

What is the cheapest Austin Bergstrom to San Juan flight route?

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

How far in advance should I book a flight from Austin to San Juan?

You are more likely to see cheaper flights to San Juan from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Austin for as low as $359 on momondo.

What cabin class options are available on Austin to San Juan flights?

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

Cheap Austin to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to San Juan

Fastest flight time

4h 25m

Direct flights

Sun

Airports in San Juan

2 airports
The fastest flight from Austin to San Juan takes 4h 25m
Direct flights go from Austin to San Juan on Sunday. There are no airlines offering direct flights.
There are 2 airports in San Juan. From Austin there are direct flights to San Juan Luis Munoz Marin Intl (SJU).
Search flight deals

Frequently asked questions about flying from Austin to San Juan

  • How far is Austin Bergstrom to San Juan by plane?

    The straight-line distance from Austin Bergstrom to San Juan is 2141.1 mi. Typically, this will take 4h 25m by plane in normal conditions.

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

    Prices for flights from Austin Bergstrom Airport to San Juan refresh daily.

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

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

    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.

  • What documentation or ID do you need to fly to San Juan?

    The required travel and health documents for your San Juan 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Austin to San Juan

Compare and see reviews for airlines that fly from Austin to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
5.6
2,692 reviews
Search Frontier flights
DeltaPriceFrom $209Free CancellationRating
7.8
8,508 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,941 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
SouthwestPriceFrom $292Free CancellationRating
8.0
4,219 reviews
Search Southwest flights
JetBluePriceFrom $303Free CancellationRating
7.1
3,038 reviews
Search JetBlue flights

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?

momondo does allow users to show only those flights to San Juan from Austin which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for Austin to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport