Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Austin to San Juan from $128

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 9/8. 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

Discover deals from 900+ travel sites with momondo.

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 - 4:50 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
21h 17m2 stops Atlanta Hartsfield-Jackson Tampa
Frontier Logo
6:42 pm - 10:03 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
16h 21m1 stop Orlando
$314Frontier
Fri, Sep 11 - Mon, Sep 14
American Airlines Logo
6:00 am - 6:33 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
11h 33m2 stops Dallas/Fort Worth Miami
American Airlines Logo
1:38 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
11h 21m1 stop Miami
$314American Airlines
Tue, Aug 25 - Mon, Aug 31
American Airlines Logo
7:11 am - 9:55 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
13h 44m1 stop Miami
American Airlines Logo
10:33 am - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
14h 26m1 stop Miami
$314American Airlines
Tue, Aug 25 - Mon, Aug 31
Frontier Logo
10:58 am - 5:43 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
29h 45m1 stop Orlando
Frontier Logo
3:08 am - 5:48 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
39h 40m2 stops Miami Atlanta Hartsfield-Jackson
$316Frontier
Tue, Sep 15 - Sun, Sep 20
Southwest Logo
9:10 pm - 9:20 amAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
11h 10m1 stop Orlando
Southwest Logo
5:00 am - 12:35 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
8h 35m2 stops Orlando Atlanta Hartsfield-Jackson
$318Southwest
Thu, Oct 1 - Mon, Oct 5
Southwest Logo
2:35 pm - 12:05 amAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
8h 30m1 stop Baltimore/Washington
Southwest Logo
2:40 pm - 5:50 pmSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
5h 10mnonstop
$318Southwest
Fri, Oct 30 - Sat, Nov 7
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
$319JetBlue
Sat, Oct 10 - Sun, Oct 18
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
$319JetBlue
Sat, Oct 10 - Sun, Oct 18
Multiple Airlines Logo
3:04 pm - 11:22 pmAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
7h 18m1 stop Fort Lauderdale
Multiple Airlines Logo
8:43 pm - 10:03 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
14h 20m1 stop Orlando
$325Multiple Airlines
Fri, Sep 4 - Tue, Sep 8
Multiple Airlines Logo
10:55 am - 2:15 amAUS  Austin Bergstrom-SJU San Juan Luis Munoz Marin Intl
14h 20m1 stop Orlando
Multiple Airlines Logo
5:05 am - 11:48 amSJU  San Juan Luis Munoz Marin Intl-AUS Austin Bergstrom
7h 43m1 stop Fort Lauderdale
$345Multiple Airlines
Fri, Sep 4 - Sun, Sep 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Austin to San Juan

Our best American Airlines deals on Austin to San Juan flight tickets
American Airlines
Aug 25
AUS7:11 amAustin Bergstrom
13h 44m
1 stop
SJU9:55 pmSan Juan Luis Munoz Marin Intl
Aug 31
SJU10:33 amSan Juan Luis Munoz Marin Intl
14h 26m
1 stop
AUS11:59 pmAustin Bergstrom
$314
American Airlines
Aug 19
AUS8:00 amAustin Bergstrom
9h 33m
2 stops
SJU6:33 pmSan Juan Luis Munoz Marin Intl
Aug 23
SJU3:28 pmSan Juan Luis Munoz Marin Intl
7h 27m
1 stop
AUS9:55 pmAustin Bergstrom
$333
American Airlines
Aug 21
AUS5:00 amAustin Bergstrom
12h 33m
1 stop
SJU6:33 pmSan Juan Luis Munoz Marin Intl
Aug 24
SJU5:10 pmSan Juan Luis Munoz Marin Intl
7h 49m
1 stop
AUS11:59 pmAustin Bergstrom
$334

Frontier flights from Austin to San Juan

Our best Frontier deals on Austin to San Juan flight tickets
Frontier
Sep 15
AUS10:58 amAustin Bergstrom
29h 45m
1 stop
SJU5:43 pmSan Juan Luis Munoz Marin Intl
Sep 20
SJU3:08 amSan Juan Luis Munoz Marin Intl
39h 40m
2 stops
AUS5:48 pmAustin Bergstrom
$316
Frontier
Sep 15
AUS6:33 pmAustin Bergstrom
19h 44m
2 stops
SJU3:17 pmSan Juan Luis Munoz Marin Intl
Sep 17
SJU3:55 pmSan Juan Luis Munoz Marin Intl
19h 08m
1 stop
AUS10:03 amAustin Bergstrom
$317
Frontier
Sep 10
AUS10:58 amAustin Bergstrom
21h 37m
1 stop
SJU9:35 amSan Juan Luis Munoz Marin Intl
Sep 17
SJU2:57 amSan Juan Luis Munoz Marin Intl
8h 06m
1 stop
AUS10:03 amAustin Bergstrom
$319

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 10, 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

Fri 9/11

6:33 pm-4:50 pm

2 stops21h 17m

San Juan Luis Munoz Marin Intl

Mon 9/14

6:42 pm-10:03 am

1 stop16h 21m

$314

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 8/25

6:00 am-6:33 pm

2 stops11h 33m

San Juan Luis Munoz Marin Intl

Mon 8/31

1:38 pm-11:59 pm

1 stop11h 21m

$314

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 8/25

7:11 am-9:55 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Mon 8/31

10:33 am-11:59 pm

1 stop14h 26m

$314

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Tue 9/15

10:58 am-5:43 pm

1 stop29h 45m

San Juan Luis Munoz Marin Intl

Sun 9/20

3:08 am-5:48 pm

2 stops39h 40m

$316

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Thu 10/1

9:10 pm-9:20 am

1 stop11h 10m

San Juan Luis Munoz Marin Intl

Mon 10/5

5:00 am-12:35 pm

2 stops8h 35m

$318
Quickest round-trip

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Fri 10/30

2:35 pm-12:05 am

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Sat 11/7

2:40 pm-5:50 pm

Nonstop5h 10m

$318

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Sat 10/10

1:00 pm-10:13 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Sun 10/18

6:25 am-11:48 am

1 stop6h 23m

$319

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Sat 10/10

1:00 pm-10:13 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Sun 10/18

6:25 am-11:48 am

1 stop6h 23m

$319

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Fri 9/4

3:04 pm-11:22 pm

1 stop7h 18m

San Juan Luis Munoz Marin Intl

Tue 9/8

8:43 pm-10:03 am

1 stop14h 20m

$325

AustinSan Juan

AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl

AUSSJU

Austin Bergstrom

Fri 9/4

10:55 am-2:15 am

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Sun 9/6

5:05 am-11:48 am

1 stop7h 43m

$345

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $497.
The lowest price recently found on this route was $314.

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 $362 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
2,715 reviews
Search Frontier flights
DeltaPriceFrom $209Free CancellationRating
7.8
8,497 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,897 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
10,097 reviews
Search United Airlines flights
SouthwestPriceFrom $292Free CancellationRating
8.0
4,214 reviews
Search Southwest flights
JetBluePriceFrom $303Free CancellationRating
7.1
3,030 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.

An easier way to manage your San Juan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/9
Wed 9/16
By creating a price alert you accept our terms of use and privacy policy.

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