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Cheap flights from Austin to Puerto Rico from $113

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 10/21. 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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Find the cheapest flights from Austin to Puerto Rico

Cheap round-trip flights

Southwest Logo
6:05 am - 2:10 pmAUS-SJU
7h 05m1 stop
Southwest Logo
5:05 am - 3:25 pmSJU-AUS
11h 20m2 stops
$225Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
Frontier Logo
11:08 am - 11:23 pmAUS-SJU
11h 15m1 stop
Frontier Logo
7:15 am - 4:34 pmSJU-AUS
10h 19m1 stop
$239Frontier
Find Deal
Thu, Sep 25 - Fri, Oct 3
Frontier Logo
6:15 pm - 2:34 amAUS-SJU
7h 19m1 stop
Frontier Logo
7:15 am - 4:34 pmSJU-AUS
10h 19m1 stop
$252Frontier
Find Deal
Mon, Sep 29 - Fri, Oct 3
Delta Logo
5:40 am - 5:15 pmAUS-SJU
9h 35m1 stop
Delta Logo
7:30 am - 3:49 pmSJU-AUS
10h 19m1 stop
$265Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Spirit Airlines Logo
5:45 am - 11:04 amAUS-SJU
28h 19m1 stop
Spirit Airlines Logo
11:59 am - 11:02 pmSJU-AUS
12h 03m1 stop
$266Spirit Airlines
Find Deal
Sun, Sep 21 - Fri, Sep 26
United Airlines Logo
5:30 am - 3:42 pmAUS-SJU
9h 12m1 stop
United Airlines Logo
1:05 am - 1:08 pmSJU-AUS
13h 03m2 stops
$267United Airlines
Find Deal
Sun, Sep 21 - Fri, Sep 26
Spirit Airlines Logo
11:02 am - 2:12 pmAUS-SJU
26h 10m2 stops
Spirit Airlines Logo
3:19 pm - 9:45 pmSJU-AUS
31h 26m2 stops
$269Spirit Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
12:35 pm - 11:49 pmAUS-SJU
9h 14m1 stop
Delta Logo
6:24 pm - 12:40 amSJU-AUS
8h 16m1 stop
$300Delta
Find Deal
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
9:45 am - 11:09 pmAUS-BQN
12h 24m2 stops
United Airlines Logo
12:15 am - 3:20 pmBQN-AUS
16h 05m2 stops
$315United Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 21
JetBlue Logo
6:20 am - 2:29 pmAUS-BQN
6h 09m1 stop
JetBlue Logo
3:25 pm - 10:08 pmBQN-AUS
8h 43m1 stop
$377JetBlue
Find Deal
Tue, Jan 13 - Mon, Jan 19

Spirit Airlines flights from Austin to Puerto Rico

Our best Spirit Airlines deals on Austin to Puerto Rico flight tickets
Spirit Airlines
Sep 21
AUS5:45 amAustin Bergstrom
28h 19m
1 stop
SJU11:04 amSan Juan Luis Munoz Marin Intl
Sep 26
SJU11:59 amSan Juan Luis Munoz Marin Intl
12h 03m
1 stop
AUS11:02 pmAustin Bergstrom
$266
Find similar
Spirit Airlines
Oct 17
AUS11:02 amAustin Bergstrom
26h 10m
2 stops
SJU2:12 pmSan Juan Luis Munoz Marin Intl
Oct 21
SJU3:19 pmSan Juan Luis Munoz Marin Intl
31h 26m
2 stops
AUS9:45 pmAustin Bergstrom
$269
Find similar
Spirit Airlines
Sep 15
AUS5:45 amAustin Bergstrom
31h 26m
2 stops
SJU2:11 pmSan Juan Luis Munoz Marin Intl
Sep 18
SJU11:59 amSan Juan Luis Munoz Marin Intl
12h 03m
1 stop
AUS11:02 pmAustin Bergstrom
$271
Find similar

Southwest flights from Austin to Puerto Rico

Our best Southwest deals on Austin to Puerto Rico flight tickets
Southwest
Sep 30
AUS6:05 amAustin Bergstrom
7h 05m
1 stop
SJU2:10 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU5:05 amSan Juan Luis Munoz Marin Intl
11h 20m
2 stops
AUS3:25 pmAustin Bergstrom
$225
Find similar
Southwest
Dec 7
AUS9:25 amAustin Bergstrom
14h 00m
1 stop
SJU1:25 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU3:10 pmSan Juan Luis Munoz Marin Intl
5h 30m
AUS6:40 pmAustin Bergstrom
$296
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 August 21, 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

Tue 9/30

6:05 am-2:10 pm

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Tue 10/7

5:05 am-3:25 pm

2 stops11h 20m

$225

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 9/25

11:08 am-11:23 pm

1 stop11h 15m

San Juan Luis Munoz Marin Intl

Fri 10/3

7:15 am-4:34 pm

1 stop10h 19m

$239

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 9/29

6:15 pm-2:34 am

1 stop7h 19m

San Juan Luis Munoz Marin Intl

Fri 10/3

7:15 am-4:34 pm

1 stop10h 19m

$252

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 12/4

5:40 am-5:15 pm

1 stop9h 35m

San Juan Luis Munoz Marin Intl

Sat 12/6

7:30 am-3:49 pm

1 stop10h 19m

$265

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 9/21

5:45 am-11:04 am

1 stop28h 19m

San Juan Luis Munoz Marin Intl

Fri 9/26

11:59 am-11:02 pm

1 stop12h 03m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 9/21

5:30 am-3:42 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:05 am-1:08 pm

2 stops13h 03m

$267

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 10/17

11:02 am-2:12 pm

2 stops26h 10m

San Juan Luis Munoz Marin Intl

Tue 10/21

3:19 pm-9:45 pm

2 stops31h 26m

$269

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/21

12:35 pm-11:49 pm

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Sat 1/24

6:24 pm-12:40 am

1 stop8h 16m

$300

AustinAguadilla

AUS - BQN

AUSBQN

Austin Bergstrom

Thu 10/2

9:45 am-11:09 pm

2 stops12h 24m

Aguadilla Borinquen

Tue 10/21

12:15 am-3:20 pm

2 stops16h 05m

$315

AustinAguadilla

AUS - BQN

AUSBQN

Austin Bergstrom

Tue 1/13

6:20 am-2:29 pm

1 stop6h 09m

Aguadilla Borinquen

Mon 1/19

3:25 pm-10:08 pm

1 stop8h 43m

$377

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 $353.

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 $596.

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 $596.

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 $442 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 $389 on momondo.

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

There are 1 cabin classes 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 11% 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

Fastest flight time

4h 30m

Direct flights

Sun

Airports in Puerto Rico

1 airport
The fastest flight from Austin to Puerto Rico takes 4h 30m
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)
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  • 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
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $183Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
DeltaPriceFrom $255Free CancellationRating
7.9
7,981 reviews
Search Delta flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $299Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
JetBluePriceFrom $331Free CancellationRating
7.2
2,916 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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Popular flights according to clicks in the last 7 days on momondo
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