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Cheap flights from Austin to San Juan from $116

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 4/19. 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 San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:20 pm - 9:19 am
AUS
-
SJU
11h 59m
1 stop
Multiple Airlines Logo
6:30 am - 8:18 pm
SJU
-
AUS
38h 48m
2 stops
$265Multiple Airlines
So, Apr 19 - So, Mai 10
Spirit Airlines Logo
6:00 am - 7:22 pm
AUS
-
SJU
12h 22m
1 stop
Spirit Airlines Logo
12:59 am - 9:31 am
SJU
-
AUS
9h 32m
1 stop
$267Spirit Airlines
Mo, Apr 20 - So, Mai 3
Multiple Airlines Logo
6:00 am - 12:33 pm
AUS
-
SJU
29h 33m
1 stop
Multiple Airlines Logo
12:57 pm - 11:40 pm
SJU
-
AUS
11h 43m
1 stop
$268Multiple Airlines
So, Apr 26 - Sa, Mai 2
Multiple Airlines Logo
6:00 am - 12:33 pm
AUS
-
SJU
29h 33m
1 stop
Multiple Airlines Logo
3:08 am - 6:11 pm
SJU
-
AUS
16h 03m
2 stops
$269Multiple Airlines
So, Apr 26 - Di, Apr 28
Spirit Airlines Logo
6:00 am - 7:22 pm
AUS
-
SJU
12h 22m
1 stop
Spirit Airlines Logo
12:59 am - 9:31 am
SJU
-
AUS
9h 32m
1 stop
$270Spirit Airlines
So, Apr 19 - Sa, Mai 9
Frontier Logo
11:30 am - 10:43 pm
AUS
-
SJU
10h 13m
1 stop
Frontier Logo
3:03 am - 10:45 am
SJU
-
AUS
8h 42m
1 stop
$271Frontier
Sa, Mai 9 - Fr, Mai 15
Multiple Airlines Logo
6:00 am - 7:22 pm
AUS
-
SJU
12h 22m
1 stop
Multiple Airlines Logo
3:23 pm - 8:20 am
SJU
-
AUS
17h 57m
2 stops
$272Multiple Airlines
Mo, Apr 27 - Fr, Mai 1
Multiple Airlines Logo
6:00 am - 7:22 pm
AUS
-
SJU
12h 22m
1 stop
Multiple Airlines Logo
5:47 pm - 4:52 pm
SJU
-
AUS
24h 05m
2 stops
$273Multiple Airlines
So, Apr 26 - Mo, Mai 4
Spirit Airlines Logo
6:00 am - 7:22 pm
AUS
-
SJU
12h 22m
1 stop
Spirit Airlines Logo
12:57 pm - 11:40 pm
SJU
-
AUS
11h 43m
1 stop
$274Spirit Airlines
So, Apr 26 - Do, Apr 30
Spirit Airlines Logo
6:00 am - 7:22 pm
AUS
-
SJU
12h 22m
1 stop
Spirit Airlines Logo
12:57 pm - 8:20 am
SJU
-
AUS
20h 23m
2 stops
$275Spirit Airlines
So, Apr 19 - Mi, Apr 22

Spirit Airlines flights from Austin to San Juan

Our best Spirit Airlines deals on Austin to San Juan flight tickets
Spirit Airlines
Apr 20
AUS6:00 amAustin Bergstrom
12h 22m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
May 3
SJU12:59 amSan Juan Luis Munoz Marin Intl
9h 32m
1 stop
AUS9:31 amAustin Bergstrom
$267
Spirit Airlines
Apr 19
AUS6:00 amAustin Bergstrom
12h 22m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
May 9
SJU12:59 amSan Juan Luis Munoz Marin Intl
9h 32m
1 stop
AUS9:31 amAustin Bergstrom
$270
Spirit Airlines
Apr 20
AUS6:00 amAustin Bergstrom
12h 22m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
Apr 25
SJU12:57 pmSan Juan Luis Munoz Marin Intl
11h 43m
1 stop
AUS11:40 pmAustin Bergstrom
$271

Frontier flights from Austin to San Juan

Our best Frontier deals on Austin to San Juan flight tickets
Frontier
May 9
AUS11:30 amAustin Bergstrom
10h 13m
1 stop
SJU10:43 pmSan Juan Luis Munoz Marin Intl
May 15
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 42m
1 stop
AUS10:45 amAustin Bergstrom
$271
Frontier
Jul 11
AUS7:31 pmAustin Bergstrom
11h 38m
1 stop
SJU8:09 amSan Juan Luis Munoz Marin Intl
Jul 16
SJU6:16 pmSan Juan Luis Munoz Marin Intl
16h 36m
1 stop
AUS9:52 amAustin Bergstrom
$287
Frontier
May 13
AUS11:30 amAustin Bergstrom
13h 38m
1 stop
SJU2:08 amSan Juan Luis Munoz Marin Intl
May 17
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 30m
1 stop
AUS10:33 amAustin Bergstrom
$306

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 April 13, 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

Cheapest round-trip

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/19

8:20 pm-9:19 am

1 stop11h 59m

San Juan Luis Munoz Marin Intl

So 5/10

6:30 am-8:18 pm

2 stops38h 48m

$265

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mo 4/20

6:00 am-7:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

So 5/3

12:59 am-9:31 am

1 stop9h 32m

$267

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/26

6:00 am-12:33 pm

1 stop29h 33m

San Juan Luis Munoz Marin Intl

Sa 5/2

12:57 pm-11:40 pm

1 stop11h 43m

$268

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/26

6:00 am-12:33 pm

1 stop29h 33m

San Juan Luis Munoz Marin Intl

Di 4/28

3:08 am-6:11 pm

2 stops16h 03m

$269

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/19

6:00 am-7:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Sa 5/9

12:59 am-9:31 am

1 stop9h 32m

$270
Quickest round-trip

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sa 5/9

11:30 am-10:43 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Fr 5/15

3:03 am-10:45 am

1 stop8h 42m

$271

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mo 4/27

6:00 am-7:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Fr 5/1

3:23 pm-8:20 am

2 stops17h 57m

$272

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/26

6:00 am-7:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Mo 5/4

5:47 pm-4:52 pm

2 stops24h 05m

$273

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/26

6:00 am-7:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Do 4/30

12:57 pm-11:40 pm

1 stop11h 43m

$274

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

So 4/19

6:00 am-7:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Mi 4/22

12:57 pm-8:20 am

2 stops20h 23m

$275

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 $367.

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 $422 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 $348 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 45m

Direct flights

Sun

Airports in San Juan

2 airports
The fastest flight from Austin to San Juan takes 4h 45m
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

Frequently asked questions about flying from Austin to San Juan

  • 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 45m 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 $120Free CancellationRating
6.3
8,617 reviews
Search Spirit Airlines flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,407 reviews
Search Delta flights
FrontierPriceFrom $134Free CancellationRating
5.7
2,994 reviews
Search Frontier flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,565 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,580 reviews
Search United Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,328 reviews
Search Southwest flights
JetBluePriceFrom $308Free CancellationRating
7.2
2,931 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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1 adult
Mi 5/13
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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