Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Austin to San Juan from $123

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 3/10. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Austin to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:25 am - 4:13 pmAUS-SJU
8h 48m1 stop
Multiple Airlines Logo
11:05 am - 5:08 pmSJU-AUS
8h 03m1 stop
$292Multiple Airlines
Find Deal
Wed, Feb 4 - Fri, Feb 27
Multiple Airlines Logo
10:18 am - 7:50 pmAUS-SJU
7h 32m1 stop
Multiple Airlines Logo
3:55 am - 9:57 pmSJU-AUS
20h 02m1 stop
$293Multiple Airlines
Find Deal
Mon, Dec 15 - Wed, Dec 17
Multiple Airlines Logo
10:46 am - 1:06 amAUS-SJU
12h 20m2 stops
Multiple Airlines Logo
11:55 am - 10:58 pmSJU-AUS
13h 03m1 stop
$294Multiple Airlines
Find Deal
Tue, Nov 25 - Fri, Nov 28
Multiple Airlines Logo
9:59 am - 2:50 amAUS-SJU
14h 51m1 stop
Multiple Airlines Logo
1:22 pm - 8:27 pmSJU-AUS
9h 05m1 stop
$295Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 14
Multiple Airlines Logo
10:48 am - 7:50 pmAUS-SJU
7h 02m1 stop
Multiple Airlines Logo
7:35 am - 12:58 amSJU-AUS
19h 23m1 stop
$296Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 21
Multiple Airlines Logo
9:59 am - 2:50 amAUS-SJU
14h 51m1 stop
Multiple Airlines Logo
7:10 am - 10:21 pmSJU-AUS
17h 11m2 stops
$297Multiple Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 13
Multiple Airlines Logo
10:48 am - 7:50 pmAUS-SJU
7h 02m1 stop
Multiple Airlines Logo
7:35 am - 12:58 amSJU-AUS
19h 23m1 stop
$298Multiple Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 20
Spirit Airlines Logo
6:10 am - 8:27 pmAUS-SJU
12h 17m1 stop
Spirit Airlines Logo
4:55 pm - 9:57 pmSJU-AUS
7h 02m1 stop
$299Spirit Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 19
Multiple Airlines Logo
6:00 am - 2:50 amAUS-SJU
18h 50m1 stop
Multiple Airlines Logo
6:14 pm - 10:21 pmSJU-AUS
30h 07m1 stop
$300Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
7:39 pm - 6:11 amAUS-SJU
8h 32m1 stop
United Airlines Logo
2:05 am - 3:22 pmSJU-AUS
15h 17m2 stops
$301United Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24

American Airlines flights from Austin to San Juan

Our best American Airlines deals on Austin to San Juan flight tickets
American Airlines
Dec 10
AUS5:01 amAustin Bergstrom
9h 07m
2 stops
SJU4:08 pmSan Juan Luis Munoz Marin Intl
Dec 15
SJU11:00 amSan Juan Luis Munoz Marin Intl
15h 59m
1 stop
AUS12:59 amAustin Bergstrom
$312
Find similar
American Airlines
Jan 20
AUS6:05 amAustin Bergstrom
7h 00m
1 stop
SJU3:05 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU5:51 pmSan Juan Luis Munoz Marin Intl
8h 47m
1 stop
AUS12:38 amAustin Bergstrom
$323
Find similar
American Airlines
Jan 28
AUS7:24 pmAustin Bergstrom
13h 24m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Feb 7
SJU6:00 amSan Juan Luis Munoz Marin Intl
11h 09m
2 stops
AUS3:09 pmAustin Bergstrom
$328
Find similar

United Airlines flights from Austin to San Juan

Our best United Airlines deals on Austin to San Juan flight tickets
United Airlines
Feb 21
AUS7:39 pmAustin Bergstrom
8h 32m
1 stop
SJU6:11 amSan Juan Luis Munoz Marin Intl
Feb 24
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 17m
2 stops
AUS3:22 pmAustin Bergstrom
$301
Find similar
United Airlines
Dec 10
AUS12:21 pmAustin Bergstrom
7h 05m
1 stop
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Dec 16
SJU2:05 amSan Juan Luis Munoz Marin Intl
9h 58m
1 stop
AUS10:03 amAustin Bergstrom
$304
Find similar
United Airlines
Feb 28
AUS7:00 amAustin Bergstrom
7h 36m
1 stop
SJU4:36 pmSan Juan Luis Munoz Marin Intl
Mar 3
SJU2:05 amSan Juan Luis Munoz Marin Intl
9h 43m
1 stop
AUS9:48 amAustin Bergstrom
$319
Find similar

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 November 13, 2025.
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

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 2/4

5:25 am-4:13 pm

1 stop8h 48m

San Juan Luis Munoz Marin Intl

Fri 2/27

11:05 am-5:08 pm

1 stop8h 03m

$292

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 12/15

10:18 am-7:50 pm

1 stop7h 32m

San Juan Luis Munoz Marin Intl

Wed 12/17

3:55 am-9:57 pm

1 stop20h 02m

$293

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 11/25

10:46 am-1:06 am

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Fri 11/28

11:55 am-10:58 pm

1 stop13h 03m

$294

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 12/4

9:59 am-2:50 am

1 stop14h 51m

San Juan Luis Munoz Marin Intl

Sun 12/14

1:22 pm-8:27 pm

1 stop9h 05m

$295

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 12/5

10:48 am-7:50 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sun 12/21

7:35 am-12:58 am

1 stop19h 23m

$296

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 12/4

9:59 am-2:50 am

1 stop14h 51m

San Juan Luis Munoz Marin Intl

Sat 12/13

7:10 am-10:21 pm

2 stops17h 11m

$297

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 12/5

10:48 am-7:50 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sat 12/20

7:35 am-12:58 am

1 stop19h 23m

$298

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 12/3

6:10 am-8:27 pm

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Fri 12/19

4:55 pm-9:57 pm

1 stop7h 02m

$299

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 12/4

6:00 am-2:50 am

1 stop18h 50m

San Juan Luis Munoz Marin Intl

Mon 12/8

6:14 pm-10:21 pm

1 stop30h 07m

$300

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 2/21

7:39 pm-6:11 am

1 stop8h 32m

San Juan Luis Munoz Marin Intl

Tue 2/24

2:05 am-3:22 pm

2 stops15h 17m

$301

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?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then September is your next best option. Flight prices from Austin to San Juan during September average around $374.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Austin to San Juan is on a Wednesday when prices can be found for as low as $412. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $587.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is in the afternoon when flights can be purchased for as low as $396. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $587 on average. Flights to San Juan from Austin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 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 $439 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 $376 on momondo.

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

There is only 1 cabin class available to choose from on Austin Bergstrom 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 15m

Direct flights

Sun

Airports in San Juan

1 airport
The fastest flight from Austin to San Juan takes 4h 15m
Direct flights go from Austin to San Juan on Sunday. There are no airlines offering direct flights.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • 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 6h 11m 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 $150Free CancellationRating
5.8
3,114 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $177Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
DeltaPriceFrom $232Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
JetBluePriceFrom $311Free CancellationRating
7.2
2,907 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
Sat 12/13
Sat 12/20
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