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Cheap flights from Austin to San Juan from $73

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 1/17. 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

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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
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Multiple Airlines Logo
6:48 pm - 10:34 am
SJU
-
AUS
17h 46m1 stop
$193Multiple Airlines
Mon, Jan 12 - Fri, Jan 16
Multiple Airlines Logo
7:26 pm - 4:25 pm
AUS
-
SJU
42h 59m2 stops
Multiple Airlines Logo
8:50 am - 11:24 pm
SJU
-
AUS
16h 34m1 stop
$194Multiple Airlines
Sun, Jan 25 - Sat, Jan 31
Multiple Airlines Logo
11:30 am - 5:58 pm
AUS
-
SJU
28h 28m2 stops
Multiple Airlines Logo
7:10 am - 11:24 pm
SJU
-
AUS
18h 14m1 stop
$195Multiple Airlines
Mon, Jan 26 - Sat, Jan 31
Multiple Airlines Logo
11:30 am - 11:44 pm
AUS
-
SJU
10h 14m1 stop
Multiple Airlines Logo
8:00 am - 9:35 pm
SJU
-
AUS
15h 35m1 stop
$196Multiple Airlines
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
7:25 am - 1:20 am
AUS
-
SJU
15h 55m1 stop
Multiple Airlines Logo
7:00 pm - 9:35 pm
SJU
-
AUS
28h 35m2 stops
$197Multiple Airlines
Sun, Jan 18 - Wed, Jan 21
Multiple Airlines Logo
11:16 am - 11:59 pm
AUS
-
SJU
10h 43m1 stop
Multiple Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$198Multiple Airlines
Thu, Jan 22 - Tue, Jan 27
Frontier Logo
7:57 pm - 9:54 am
AUS
-
SJU
11h 57m1 stop
Frontier Logo
3:08 am - 9:36 am
SJU
-
AUS
7h 28m1 stop
$199Frontier
Mon, Mar 2 - Sun, Mar 8
Multiple Airlines Logo
5:50 am - 4:25 pm
AUS
-
SJU
8h 35m1 stop
Multiple Airlines Logo
7:10 am - 9:35 pm
SJU
-
AUS
16h 25m2 stops
$200Multiple Airlines
Sun, Jan 25 - Sat, Jan 31
Frontier Logo
5:52 pm - 2:50 am
AUS
-
SJU
6h 58m1 stop
Frontier Logo
6:00 am - 6:34 pm
SJU
-
AUS
14h 34m1 stop
$201Frontier
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
5:52 pm - 3:27 pm
AUS
-
SJU
19h 35m2 stops
Multiple Airlines Logo
6:48 pm - 10:34 am
SJU
-
AUS
17h 46m1 stop
$202Multiple Airlines
Mon, Jan 12 - Fri, Jan 16

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
Mar 2
AUS7:57 pmAustin Bergstrom
11h 57m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
Mar 8
SJU3:08 amSan Juan Luis Munoz Marin Intl
7h 28m
1 stop
AUS9:36 amAustin Bergstrom
$199
Find similar
Frontier
Jan 12
AUS5:52 pmAustin Bergstrom
6h 58m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Jan 15
SJU6:00 amSan Juan Luis Munoz Marin Intl
14h 34m
1 stop
AUS6:34 pmAustin Bergstrom
$201
Find similar
Frontier
Jan 11
AUS5:42 pmAustin Bergstrom
13h 26m
1 stop
SJU9:08 amSan Juan Luis Munoz Marin Intl
Jan 14
SJU7:34 pmSan Juan Luis Munoz Marin Intl
25h 00m
1 stop
AUS6:34 pmAustin Bergstrom
$215
Find similar

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
Jan 12
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
$214
Find similar
Spirit Airlines
Feb 4
AUS7:25 amAustin Bergstrom
6h 10m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$216
Find similar
Spirit Airlines
Jan 31
AUS4:59 pmAustin Bergstrom
14h 48m
1 stop
SJU9:47 amSan Juan Luis Munoz Marin Intl
Feb 6
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$223
Find similar

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 December 30, 2025.
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 1/12

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-10:34 am

1 stop17h 46m

$193

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/25

7:26 pm-4:25 pm

2 stops42h 59m

San Juan Luis Munoz Marin Intl

Sat 1/31

8:50 am-11:24 pm

1 stop16h 34m

$194

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/26

11:30 am-5:58 pm

2 stops28h 28m

San Juan Luis Munoz Marin Intl

Sat 1/31

7:10 am-11:24 pm

1 stop18h 14m

$195

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 1/10

11:30 am-11:44 pm

1 stop10h 14m

San Juan Luis Munoz Marin Intl

Sat 1/17

8:00 am-9:35 pm

1 stop15h 35m

$196

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

7:00 pm-9:35 pm

2 stops28h 35m

$197

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 1/22

11:16 am-11:59 pm

1 stop10h 43m

San Juan Luis Munoz Marin Intl

Tue 1/27

4:40 pm-9:35 pm

1 stop6h 55m

$198

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 3/2

7:57 pm-9:54 am

1 stop11h 57m

San Juan Luis Munoz Marin Intl

Sun 3/8

3:08 am-9:36 am

1 stop7h 28m

$199

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/25

5:50 am-4:25 pm

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Sat 1/31

7:10 am-9:35 pm

2 stops16h 25m

$200

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/12

5:52 pm-2:50 am

1 stop6h 58m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-6:34 pm

1 stop14h 34m

$201

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/12

5:52 pm-3:27 pm

2 stops19h 35m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-10:34 am

1 stop17h 46m

$202

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 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 September is also cheap. Prices for this month can be found on momondo for an average of $374.

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 $432 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 $376 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 17% 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 December 2025, prices for Austin to San Juan Luis Munoz Marin Intl Airport flights are approximately 32% more expensive 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

Fastest flight time

4h 25m

Direct flights

Sun
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 $146Free CancellationRating
6.3
8,239 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.7
3,066 reviews
Search Frontier flights
DeltaPriceFrom $225Free CancellationRating
7.9
8,016 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,126 reviews
Search United Airlines flights
American AirlinesPriceFrom $245Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,251 reviews
Search Southwest flights
JetBluePriceFrom $308Free CancellationRating
7.2
2,903 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
Humacao
Caguas
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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