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 2/1. 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.
Spirit Airlines Logo
7:15 am - 3:31 pm
AUS
-
SJU
6h 16m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$173Spirit Airlines
Wed, Feb 25 - Wed, Mar 4
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$175Spirit Airlines
Sat, Jan 31 - Fri, Feb 6
Spirit Airlines Logo
4:59 pm - 10:17 am
AUS
-
SJU
15h 18m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$176Spirit Airlines
Sat, Feb 21 - Sat, Feb 28
Spirit Airlines Logo
4:59 pm - 10:17 am
AUS
-
SJU
15h 18m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$177Spirit Airlines
Sat, Feb 21 - Sat, Feb 28
Spirit Airlines Logo
4:59 pm - 9:47 am
AUS
-
SJU
14h 48m
1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m
1 stop
$180Spirit Airlines
Sun, Jan 25 - Wed, Jan 28
Spirit Airlines Logo
4:59 pm - 10:17 am
AUS
-
SJU
15h 18m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$184Spirit Airlines
Fri, Feb 20 - Sat, Feb 28
Spirit Airlines Logo
4:59 pm - 10:17 am
AUS
-
SJU
15h 18m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$185Spirit Airlines
Mon, Feb 16 - Wed, Feb 25
Multiple Airlines Logo
5:58 pm - 3:35 pm
AUS
-
SJU
19h 37m
2 stops
Multiple Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m
1 stop
$187Multiple Airlines
Mon, Jan 26 - Wed, Jan 28
Spirit Airlines Logo
4:59 pm - 9:47 am
AUS
-
SJU
14h 48m
1 stop
Spirit Airlines Logo
6:00 am - 4:04 pm
SJU
-
AUS
12h 04m
1 stop
$188Spirit Airlines
Wed, Jan 28 - Sat, Feb 7
Spirit Airlines Logo
7:25 am - 11:33 pm
AUS
-
SJU
14h 08m
2 stops
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m
1 stop
$189Spirit Airlines
Wed, Jan 28 - Sat, Jan 31

Spirit Airlines flights from Austin to San Juan

Our best Spirit Airlines deals on Austin to San Juan flight tickets
Spirit Airlines
Feb 25
AUS7:15 amAustin Bergstrom
6h 16m
1 stop
SJU3:31 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 04m
1 stop
AUS4:04 pmAustin Bergstrom
$173
Spirit Airlines
Jan 24
AUS4:59 pmAustin Bergstrom
14h 48m
1 stop
SJU9:47 amSan Juan Luis Munoz Marin Intl
Jan 27
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$174
Spirit Airlines
Jan 31
AUS7:25 amAustin Bergstrom
6h 10m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Feb 6
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 04m
1 stop
AUS4:04 pmAustin Bergstrom
$175

Frontier flights from Austin to San Juan

Our best Frontier deals on Austin to San Juan flight tickets
Frontier
Jan 29
AUS11:16 amAustin Bergstrom
21h 08m
1 stop
SJU10:24 amSan Juan Luis Munoz Marin Intl
Jan 31
SJU4:36 pmSan Juan Luis Munoz Marin Intl
27h 55m
1 stop
AUS6:31 pmAustin Bergstrom
$224
Frontier
Jan 29
AUS11:16 amAustin Bergstrom
10h 43m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Feb 1
SJU8:00 amSan Juan Luis Munoz Marin Intl
12h 31m
1 stop
AUS6:31 pmAustin Bergstrom
$238
Frontier
Feb 23
AUS7:41 pmAustin Bergstrom
12h 13m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
Mar 15
SJU3:08 amSan Juan Luis Munoz Marin Intl
7h 28m
1 stop
AUS9:36 amAustin Bergstrom
$244

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 15, 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 2/25

7:15 am-3:31 pm

1 stop6h 16m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:00 am-4:04 pm

1 stop12h 04m

$173

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 1/31

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Fri 2/6

6:00 am-4:04 pm

1 stop12h 04m

$175

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 2/21

4:59 pm-10:17 am

1 stop15h 18m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-4:04 pm

1 stop12h 04m

$176

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 2/21

4:59 pm-10:17 am

1 stop15h 18m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-4:04 pm

1 stop12h 04m

$177

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/25

4:59 pm-9:47 am

1 stop14h 48m

San Juan Luis Munoz Marin Intl

Wed 1/28

4:40 pm-9:35 pm

1 stop6h 55m

$180

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 2/20

4:59 pm-10:17 am

1 stop15h 18m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-4:04 pm

1 stop12h 04m

$184

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 2/16

4:59 pm-10:17 am

1 stop15h 18m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:00 am-4:04 pm

1 stop12h 04m

$185

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/26

5:58 pm-3:35 pm

2 stops19h 37m

San Juan Luis Munoz Marin Intl

Wed 1/28

4:40 pm-9:35 pm

1 stop6h 55m

$187

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/28

4:59 pm-9:47 am

1 stop14h 48m

San Juan Luis Munoz Marin Intl

Sat 2/7

6:00 am-4:04 pm

1 stop12h 04m

$188

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/28

7:25 am-11:33 pm

2 stops14h 08m

San Juan Luis Munoz Marin Intl

Sat 1/31

4:40 pm-9:35 pm

1 stop6h 55m

$189

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 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 $429 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 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 $126Free CancellationRating
6.3
8,319 reviews
Search Spirit Airlines flights
FrontierPriceFrom $140Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
DeltaPriceFrom $174Free CancellationRating
7.9
8,049 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $245Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
JetBluePriceFrom $277Free CancellationRating
7.2
2,887 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 2/14
Sat 2/21
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