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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.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:25 am - 6:58 pm
AUS
-
SJU
33h 33m3 stops
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$188Spirit Airlines
Wed, Jan 21 - Fri, Jan 23
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$189Spirit Airlines
Sun, Jan 18 - Thu, Jan 22
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$191Spirit Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
6:00 am - 6:27 pm
AUS
-
SJU
10h 27m1 stop
Multiple Airlines Logo
3:53 am - 7:02 pm
SJU
-
AUS
17h 09m1 stop
$192Multiple Airlines
Tue, Feb 24 - Sun, Mar 1
Multiple Airlines Logo
7:25 am - 1:20 am
AUS
-
SJU
15h 55m1 stop
Multiple Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$193Multiple Airlines
Sun, Jan 18 - Wed, Jan 21
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m1 stop
$195Spirit Airlines
Thu, Jan 22 - Tue, Jan 27
Multiple Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Multiple Airlines Logo
7:00 pm - 9:35 pm
SJU
-
AUS
28h 35m2 stops
$197Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$198Spirit Airlines
Fri, Jan 23 - Thu, Jan 29
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$199Spirit Airlines
Fri, Jan 23 - Sat, Jan 31
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
5:50 pm - 9:35 pm
SJU
-
AUS
29h 45m2 stops
$200Spirit Airlines
Mon, Jan 26 - Fri, Jan 30

Spirit Airlines flights from Austin to San Juan

Our best Spirit Airlines deals on Austin to San Juan flight tickets
Spirit Airlines
Jan 21
AUS7:25 amAustin Bergstrom
33h 33m
3 stops
SJU6:58 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$188
Find similar
Spirit Airlines
Jan 18
AUS7:25 amAustin Bergstrom
6h 10m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 22
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$189
Find similar
Spirit Airlines
Jan 21
AUS7:25 amAustin Bergstrom
6h 10m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$191
Find similar

Frontier flights from Austin to San Juan

Our best Frontier deals on Austin to San Juan flight tickets
Frontier
Jan 22
AUS11:16 amAustin Bergstrom
10h 43m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU8:00 amSan Juan Luis Munoz Marin Intl
12h 31m
1 stop
AUS6:31 pmAustin Bergstrom
$217
Find similar
Frontier
Jan 15
AUS7:19 pmAustin Bergstrom
23h 10m
1 stop
SJU8:29 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU8:00 amSan Juan Luis Munoz Marin Intl
12h 31m
1 stop
AUS6:31 pmAustin Bergstrom
$238
Find similar
Frontier
Jan 11
AUS5:42 pmAustin Bergstrom
21h 27m
1 stop
SJU5:09 pmSan Juan Luis Munoz Marin Intl
Jan 14
SJU7:34 pmSan Juan Luis Munoz Marin Intl
25h 00m
1 stop
AUS6:34 pmAustin Bergstrom
$258
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 January 6, 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

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/21

7:25 am-6:58 pm

3 stops33h 33m

San Juan Luis Munoz Marin Intl

Fri 1/23

4:40 pm-9:35 pm

1 stop6h 55m

$188

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/18

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Thu 1/22

4:40 pm-9:35 pm

1 stop6h 55m

$189

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/21

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Wed 1/28

4:40 pm-9:35 pm

1 stop6h 55m

$191

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 2/24

6:00 am-6:27 pm

1 stop10h 27m

San Juan Luis Munoz Marin Intl

Sun 3/1

3:53 am-7:02 pm

1 stop17h 09m

$192

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/18

7:25 am-1:20 am

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Wed 1/21

4:40 pm-9:35 pm

1 stop6h 55m

$193

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 1/22

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Tue 1/27

6:00 am-4:04 pm

1 stop12h 04m

$195

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/21

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Wed 1/28

7:00 pm-9:35 pm

2 stops28h 35m

$197

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 1/23

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Thu 1/29

4:40 pm-9:35 pm

1 stop6h 55m

$198

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 1/23

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Sat 1/31

4:40 pm-9:35 pm

1 stop6h 55m

$199

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/26

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Fri 1/30

5:50 pm-9:35 pm

2 stops29h 45m

$200

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?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then January is your next best option. Flight prices from Austin to San Juan during January average around $365.

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 $430 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 $375 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 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

  • 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
Spirit AirlinesPriceFrom $146Free CancellationRating
6.3
8,274 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
DeltaPriceFrom $225Free CancellationRating
7.9
8,017 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,134 reviews
Search United Airlines flights
American AirlinesPriceFrom $245Free CancellationRating
7.2
11,083 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
JetBluePriceFrom $308Free CancellationRating
7.2
2,898 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