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Cheap flights from Austin to Puerto Rico 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 Puerto Rico departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:48 am - 12:37 amAUS-SJU
11h 49m1 stop
Frontier Logo
7:00 am - 9:53 amSJU-AUS
28h 53m1 stop
$235Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 14
Southwest Logo
4:25 pm - 12:35 amAUS-SJU
6h 10m1 stop
Southwest Logo
3:10 pm - 6:40 pmSJU-AUS
5h 30mnonstop
$241Southwest
Find Deal
Tue, Dec 2 - Sat, Dec 6
American Airlines Logo
5:20 am - 12:39 pmAUS-SJU
6h 19m1 stop
American Airlines Logo
3:34 pm - 8:08 amSJU-AUS
17h 34m1 stop
$244American Airlines
Find Deal
Tue, Oct 28 - Tue, Oct 28
United Airlines Logo
12:21 pm - 9:26 pmAUS-SJU
7h 05m1 stop
United Airlines Logo
2:05 am - 10:03 amSJU-AUS
9h 58m1 stop
$245United Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
American Airlines Logo
7:05 am - 9:14 pmAUS-SJU
13h 09m1 stop
American Airlines Logo
8:20 am - 9:56 pmSJU-AUS
15h 36m1 stop
$251American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
12:17 pm - 10:22 pmAUS-SJU
8h 05m1 stop
United Airlines Logo
2:05 am - 1:14 pmSJU-AUS
13h 09m2 stops
$289United Airlines
Find Deal
Tue, Nov 11 - Fri, Nov 14
Spirit Airlines Logo
8:28 pm - 10:49 amAUS-SJU
12h 21m1 stop
Spirit Airlines Logo
11:55 am - 10:58 pmSJU-AUS
13h 03m1 stop
$298Spirit Airlines
Find Deal
Thu, Nov 27 - Wed, Dec 3
Spirit Airlines Logo
8:48 pm - 9:52 amAUS-SJU
11h 04m1 stop
Spirit Airlines Logo
2:59 am - 9:30 amSJU-AUS
8h 31m1 stop
$307Spirit Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11
JetBlue Logo
6:00 am - 2:49 pmAUS-BQN
6h 49m1 stop
JetBlue Logo
3:45 pm - 10:16 pmBQN-AUS
8h 31m1 stop
$474JetBlue
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Tue, Jan 6 - Mon, Jan 12
JetBlue Logo
6:20 am - 9:18 pmAUS-BQN
12h 58m1 stop
JetBlue Logo
10:45 pm - 10:48 pmBQN-AUS
26h 03m1 stop
$515JetBlue
Find Deal
Fri, Dec 12 - Fri, Dec 19

Frontier flights from Austin to Puerto Rico

Our best Frontier deals on Austin to Puerto Rico flight tickets
Frontier
Dec 5
AUS10:48 amAustin Bergstrom
11h 49m
1 stop
SJU12:37 amSan Juan Luis Munoz Marin Intl
Dec 14
SJU7:00 amSan Juan Luis Munoz Marin Intl
28h 53m
1 stop
AUS9:53 amAustin Bergstrom
$235
Find similar
Frontier
Dec 5
AUS10:48 amAustin Bergstrom
11h 49m
1 stop
SJU12:37 amSan Juan Luis Munoz Marin Intl
Dec 8
SJU11:05 amSan Juan Luis Munoz Marin Intl
8h 33m
1 stop
AUS5:38 pmAustin Bergstrom
$254
Find similar
Frontier
Dec 5
AUS10:48 amAustin Bergstrom
11h 49m
1 stop
SJU12:37 amSan Juan Luis Munoz Marin Intl
Dec 14
SJU9:30 pmSan Juan Luis Munoz Marin Intl
20h 53m
2 stops
AUS4:23 pmAustin Bergstrom
$258
Find similar

American Airlines flights from Austin to Puerto Rico

Our best American Airlines deals on Austin to Puerto Rico flight tickets
American Airlines
Oct 28
AUS5:20 amAustin Bergstrom
6h 19m
1 stop
SJU12:39 pmSan Juan Luis Munoz Marin Intl
Oct 28
SJU3:34 pmSan Juan Luis Munoz Marin Intl
17h 34m
1 stop
AUS8:08 amAustin Bergstrom
$244
Find similar
American Airlines
Oct 30
AUS7:05 amAustin Bergstrom
13h 09m
1 stop
SJU9:14 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU8:20 amSan Juan Luis Munoz Marin Intl
15h 36m
1 stop
AUS9:56 pmAustin Bergstrom
$251
Find similar
American Airlines
Oct 31
AUS6:29 pmAustin Bergstrom
18h 16m
1 stop
SJU1:45 pmSan Juan Luis Munoz Marin Intl
Nov 12
SJU8:20 amSan Juan Luis Munoz Marin Intl
13h 25m
1 stop
AUS7:45 pmAustin Bergstrom
$306
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Puerto Rico 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 October 9, 2025.
Use the filters below to find and compare flights from Austin to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 12/5

10:48 am-12:37 am

1 stop11h 49m

San Juan Luis Munoz Marin Intl

Sun 12/14

7:00 am-9:53 am

1 stop28h 53m

$235

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 12/2

4:25 pm-12:35 am

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Sat 12/6

3:10 pm-6:40 pm

Nonstop5h 30m

$241

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 10/28

5:20 am-12:39 pm

1 stop6h 19m

San Juan Luis Munoz Marin Intl

Tue 10/28

3:34 pm-8:08 am

1 stop17h 34m

$244

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 12/10

12:21 pm-9:26 pm

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Mon 12/15

2:05 am-10:03 am

1 stop9h 58m

$245

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 10/30

7:05 am-9:14 pm

1 stop13h 09m

San Juan Luis Munoz Marin Intl

Mon 11/3

8:20 am-9:56 pm

1 stop15h 36m

$251

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 11/11

12:17 pm-10:22 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Fri 11/14

2:05 am-1:14 pm

2 stops13h 09m

$289

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 11/27

8:28 pm-10:49 am

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Wed 12/3

11:55 am-10:58 pm

1 stop13h 03m

$298

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 12/6

8:48 pm-9:52 am

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:59 am-9:30 am

1 stop8h 31m

$307

AustinAguadilla

AUS - BQN

AUSBQN

Austin Bergstrom

Tue 1/6

6:00 am-2:49 pm

1 stop6h 49m

Aguadilla Borinquen

Mon 1/12

3:45 pm-10:16 pm

1 stop8h 31m

$474

AustinAguadilla

AUS - BQN

AUSBQN

Austin Bergstrom

Fri 12/12

6:20 am-9:18 pm

1 stop12h 58m

Aguadilla Borinquen

Fri 12/19

10:45 pm-10:48 pm

1 stop26h 03m

$515

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 Puerto Rico from

How to get the cheapest flight ticket from Austin to Puerto Rico

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 cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in October, then you should wait until September to fly from Austin, when ticket prices are also cheap, with an average price of $374.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico 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. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $606.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Austin to Puerto Rico during this time can be as low as $396. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $606.

What is the cheapest Austin Bergstrom to Puerto Rico flight route?

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

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Austin for as low as $397 on momondo.

What cabin class options are available on Austin Bergstrom to Puerto Rico flights?

There is only 1 cabin class available to choose from on Austin Bergstrom to Puerto Rico 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 Puerto Rico flights?

You could potentially save up to 3% on your flight if you consider stops on a Austin to Puerto Rico flight.

Cheap Austin to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Puerto Rico

Best Price Found

$397

Fastest flight time

4h 15m

Direct flights

Sun

Airports in Puerto Rico

1 airport
The best flight deal from Austin to Puerto Rico found on momondo in the last 72 hours is $397
The fastest flight from Austin to Puerto Rico takes 4h 15m
Direct flights go from Austin to Puerto Rico on Sunday. There are no airlines offering direct flights.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Puerto Rico?

    Prices for flights from Austin Bergstrom Airport to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Puerto Rico?

  • How old do you have to be to fly from Austin Bergstrom Airport to Puerto Rico?

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The required travel and health documents for your Puerto Rico 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 Puerto Rico. 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 Puerto Rico?

Best airlines flying from Austin to Puerto Rico

Compare and see reviews for airlines that fly from Austin to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $133Free CancellationRating
5.8
3,144 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $177Free CancellationRating
6.3
8,083 reviews
Search Spirit Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.9
7,968 reviews
Search Delta flights
American AirlinesPriceFrom $247Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
JetBluePriceFrom $345Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Puerto Rico?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Puerto Rico. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to Puerto Rico with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Puerto Rico from Austin with this policy.

How can momondo help me find flights from Austin to Puerto Rico?

momondo provides multiple filters to help you find the best flight to Puerto Rico 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 Puerto Rico right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to Puerto Rico 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 Puerto Rico trip

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Find better results for your trip to Puerto Rico

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