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Cheap flights from Austin to San Juan from $110

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 3/9. 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
12:09 pm - 8:44 pm
AUS
-
SJU
7h 35m
1 stop
Multiple Airlines Logo
6:00 am - 9:35 pm
SJU
-
AUS
16h 35m
1 stop
$207Multiple Airlines
Mon, Apr 20 - Fri, May 1
Spirit Airlines Logo
8:12 pm - 11:49 am
AUS
-
SJU
14h 37m
2 stops
Spirit Airlines Logo
3:36 pm - 9:35 pm
SJU
-
AUS
6h 59m
1 stop
$208Spirit Airlines
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
6:12 am - 9:34 pm
AUS
-
SJU
14h 22m
1 stop
Multiple Airlines Logo
7:54 pm - 4:04 pm
SJU
-
AUS
21h 10m
1 stop
$209Multiple Airlines
Sat, Mar 21 - Tue, Apr 7
Spirit Airlines Logo
6:12 am - 6:55 pm
AUS
-
SJU
11h 43m
1 stop
Spirit Airlines Logo
3:36 pm - 9:35 pm
SJU
-
AUS
6h 59m
1 stop
$210Spirit Airlines
Fri, Apr 10 - Thu, Apr 16
Spirit Airlines Logo
7:15 am - 3:31 pm
AUS
-
SJU
6h 16m
1 stop
Spirit Airlines Logo
4:31 pm - 10:29 am
SJU
-
AUS
19h 58m
1 stop
$211Spirit Airlines
Mon, Feb 23 - Fri, Feb 27
Spirit Airlines Logo
6:12 am - 6:55 pm
AUS
-
SJU
11h 43m
1 stop
Spirit Airlines Logo
7:54 pm - 4:04 pm
SJU
-
AUS
21h 10m
1 stop
$212Spirit Airlines
Mon, Mar 23 - Mon, Mar 30
Frontier Logo
8:36 pm - 9:54 am
AUS
-
SJU
12h 18m
1 stop
Frontier Logo
3:08 am - 7:46 pm
SJU
-
AUS
17h 38m
1 stop
$213Frontier
Thu, Apr 23 - Sat, Apr 25
Multiple Airlines Logo
7:15 am - 3:31 pm
AUS
-
SJU
6h 16m
1 stop
Multiple Airlines Logo
4:06 pm - 10:29 am
SJU
-
AUS
20h 23m
2 stops
$214Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Spirit Airlines Logo
6:12 am - 6:55 pm
AUS
-
SJU
11h 43m
1 stop
Spirit Airlines Logo
7:54 pm - 4:04 pm
SJU
-
AUS
21h 10m
1 stop
$215Spirit Airlines
Wed, Mar 25 - Tue, Mar 31
Multiple Airlines Logo
7:20 am - 12:33 pm
AUS
-
SJU
28h 13m
1 stop
Multiple Airlines Logo
3:36 pm - 9:35 pm
SJU
-
AUS
6h 59m
1 stop
$216Multiple Airlines
Thu, May 7 - Sat, May 16

Spirit Airlines flights from Austin to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Apr 7
AUS8:12 pmAustin Bergstrom
14h 37m
2 stops
SJU11:49 amSan Juan Luis Munoz Marin Intl
Apr 15
SJU3:36 pmSan Juan Luis Munoz Marin Intl
6h 59m
1 stop
AUS9:35 pmAustin Bergstrom
$208
Spirit Airlines
Feb 25
AUS7:15 amAustin Bergstrom
6h 16m
1 stop
SJU3:31 pmSan Juan Luis Munoz Marin Intl
Mar 3
SJU6:27 pmSan Juan Luis Munoz Marin Intl
42h 02m
2 stops
AUS10:29 amAustin Bergstrom
$209
Spirit Airlines
Apr 10
AUS6:12 amAustin Bergstrom
11h 43m
1 stop
SJU6:55 pmSan Juan Luis Munoz Marin Intl
Apr 16
SJU3:36 pmSan Juan Luis Munoz Marin Intl
6h 59m
1 stop
AUS9:35 pmAustin Bergstrom
$210

Frontier flights from Austin to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Apr 23
AUS8:36 pmAustin Bergstrom
12h 18m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
Apr 25
SJU3:08 amSan Juan Luis Munoz Marin Intl
17h 38m
1 stop
AUS7:46 pmAustin Bergstrom
$213
Frontier
Apr 16
AUS8:36 pmAustin Bergstrom
28h 25m
1 stop
SJU2:01 amSan Juan Luis Munoz Marin Intl
Apr 19
SJU6:30 amSan Juan Luis Munoz Marin Intl
14h 16m
1 stop
AUS7:46 pmAustin Bergstrom
$223
Frontier
Feb 27
AUS7:29 pmAustin Bergstrom
12h 55m
1 stop
SJU10:24 amSan Juan Luis Munoz Marin Intl
Mar 6
SJU3:58 amSan Juan Luis Munoz Marin Intl
7h 38m
1 stop
AUS9:36 amAustin Bergstrom
$232

momondo Fare Finder

 
Customize your flight search to find flights from Austin to San Juan Luis Munoz Marin Intl Airport 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 February 12, 2026.
Use the filters below to find and compare flights from Austin to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 4/20

12:09 pm-8:44 pm

1 stop7h 35m

San Juan Luis Munoz Marin Intl

Fri 5/1

6:00 am-9:35 pm

1 stop16h 35m

$207

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 4/7

8:12 pm-11:49 am

2 stops14h 37m

San Juan Luis Munoz Marin Intl

Wed 4/15

3:36 pm-9:35 pm

1 stop6h 59m

$208

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 3/21

6:12 am-9:34 pm

1 stop14h 22m

San Juan Luis Munoz Marin Intl

Tue 4/7

7:54 pm-4:04 pm

1 stop21h 10m

$209

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 4/10

6:12 am-6:55 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:36 pm-9:35 pm

1 stop6h 59m

$210

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 2/23

7:15 am-3:31 pm

1 stop6h 16m

San Juan Luis Munoz Marin Intl

Fri 2/27

4:31 pm-10:29 am

1 stop19h 58m

$211

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 3/23

6:12 am-6:55 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Mon 3/30

7:54 pm-4:04 pm

1 stop21h 10m

$212

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 4/23

8:36 pm-9:54 am

1 stop12h 18m

San Juan Luis Munoz Marin Intl

Sat 4/25

3:08 am-7:46 pm

1 stop17h 38m

$213

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

4:06 pm-10:29 am

2 stops20h 23m

$214

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 3/25

6:12 am-6:55 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Tue 3/31

7:54 pm-4:04 pm

1 stop21h 10m

$215

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 5/7

7:20 am-12:33 pm

1 stop28h 13m

San Juan Luis Munoz Marin Intl

Sat 5/16

3:36 pm-9:35 pm

1 stop6h 59m

$216

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Austin to San Juan Luis Munoz Marin Intl Airport

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 Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $365.

What is the cheapest Austin Bergstrom to San Juan Luis Munoz Marin Intl flight route?

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

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $423 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Austin for as low as $351 on momondo.

What cabin class options are available on Austin Bergstrom to San Juan Luis Munoz Marin Intl flights?

There is only 1 cabin class available to choose from on Austin Bergstrom to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 28% on your flight if you consider stops on a Austin to San Juan Luis Munoz Marin Intl Airport flight.

How have Austin to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of February 2026, prices for Austin to San Juan Luis Munoz Marin Intl Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Austin to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to San Juan Luis Munoz Marin Intl Airport (AUS to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$438

Fastest flight time

4h 25m

Direct flights

Sun
The best flight deal from Austin to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $438
The fastest flight from Austin to San Juan Luis Munoz Marin Intl Airport takes 4h 25m
Direct flights go from Austin to San Juan Luis Munoz Marin Intl Airport on Sunday. There are no airlines offering direct flights.
Search flight deals

  • How far is Austin Bergstrom to San Juan Luis Munoz Marin Intl by plane?

    Austin Bergstrom and San Juan Luis Munoz Marin Intl are 2148.0 mi apart from one another. By plane, this route typically takes 4h 25m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to San Juan Luis Munoz Marin Intl Airport?

    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 Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport. 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 San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Austin to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Austin to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Austin to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $120Free CancellationRating
6.3
8,444 reviews
Search Spirit Airlines flights
FrontierPriceFrom $141Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
DeltaPriceFrom $174Free CancellationRating
7.9
8,180 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
JetBluePriceFrom $303Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

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?

Yes. momondo enables you to select and highlight flights to San Juan from Austin with this policy.

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?

Of course. momondo tracks the price of Austin to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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