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Cheap flights from Austin to San Juan from $164

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 8/11. 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.
Frontier Logo
11:15 am - 8:44 pm
AUS
-
SJU
8h 29m
1 stop
Frontier Logo
2:58 am - 10:12 am
SJU
-
AUS
8h 14m
1 stop
$336Frontier
Tue, Oct 13 - Mon, Oct 19
Frontier Logo
5:38 pm - 2:34 pm
AUS
-
SJU
43h 56m
2 stops
Frontier Logo
5:15 pm - 12:38 pm
SJU
-
AUS
20h 23m
1 stop
$354Frontier
Tue, Aug 4 - Tue, Aug 11
Delta Logo
1:34 pm - 10:29 pm
AUS
-
SJU
7h 55m
1 stop
Delta Logo
5:49 pm - 11:59 pm
SJU
-
AUS
7h 10m
1 stop
$356Delta
Mon, Aug 10 - Sat, Aug 15
Southwest Logo
9:20 am - 9:55 pm
AUS
-
SJU
11h 35m
1 stop
Southwest Logo
5:55 am - 1:10 pm
SJU
-
AUS
8h 15m
1 stop
$361Southwest
Sat, Aug 8 - Sat, Aug 15
Frontier Logo
5:38 pm - 2:16 pm
AUS
-
SJU
19h 38m
1 stop
Frontier Logo
6:31 pm - 7:03 pm
SJU
-
AUS
25h 32m
2 stops
$365Frontier
Sun, Aug 9 - Wed, Aug 12
American Airlines Logo
6:00 am - 6:20 pm
AUS
-
SJU
11h 20m
2 stops
American Airlines Logo
1:38 pm - 9:50 pm
SJU
-
AUS
9h 12m
1 stop
$366American Airlines
Sat, Aug 22 - Thu, Aug 27
Multiple Airlines Logo
7:45 pm - 7:57 am
AUS
-
SJU
11h 12m
1 stop
Multiple Airlines Logo
7:30 am - 12:38 pm
SJU
-
AUS
54h 08m
2 stops
$370Multiple Airlines
Sun, Aug 2 - Mon, Aug 10
American Airlines Logo
6:00 am - 6:24 pm
AUS
-
SJU
11h 24m
2 stops
American Airlines Logo
6:00 am - 2:47 pm
SJU
-
AUS
9h 47m
2 stops
$371American Airlines
Wed, Aug 19 - Tue, Aug 25
Multiple Airlines Logo
7:45 pm - 12:47 am
AUS
-
SJU
28h 02m
2 stops
Multiple Airlines Logo
5:15 pm - 12:38 pm
SJU
-
AUS
20h 23m
1 stop
$372Multiple Airlines
Sun, Aug 2 - Tue, Aug 11
United Airlines Logo
7:00 am - 3:42 pm
AUS
-
SJU
7h 42m
1 stop
United Airlines Logo
1:00 am - 1:12 pm
SJU
-
AUS
13h 12m
2 stops
$373United Airlines
Thu, Sep 10 - Wed, Sep 16

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

Our best Delta deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Aug 14
AUS12:05 pmAustin Bergstrom
9h 24m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Aug 17
SJU12:56 pmSan Juan Luis Munoz Marin Intl
10h 11m
1 stop
AUS10:07 pmAustin Bergstrom
$356
Delta
Jul 4
AUS8:20 amAustin Bergstrom
11h 23m
1 stop
SJU8:43 pmSan Juan Luis Munoz Marin Intl
Jul 18
SJU6:05 amSan Juan Luis Munoz Marin Intl
8h 46m
1 stop
AUS1:51 pmAustin Bergstrom
$424
Delta
May 26
AUS1:31 pmAustin Bergstrom
7h 46m
1 stop
SJU10:17 pmSan Juan Luis Munoz Marin Intl
Jun 10
SJU5:56 pmSan Juan Luis Munoz Marin Intl
7h 29m
1 stop
AUS12:25 amAustin Bergstrom
$519

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

Our best Southwest deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Aug 8
AUS9:20 amAustin Bergstrom
11h 35m
1 stop
SJU9:55 pmSan Juan Luis Munoz Marin Intl
Aug 15
SJU5:55 amSan Juan Luis Munoz Marin Intl
8h 15m
1 stop
AUS1:10 pmAustin Bergstrom
$361
Southwest
Jul 28
AUS3:50 pmAustin Bergstrom
7h 25m
1 stop
SJU12:15 amSan Juan Luis Munoz Marin Intl
Aug 17
SJU5:00 amSan Juan Luis Munoz Marin Intl
10h 05m
2 stops
AUS2:05 pmAustin Bergstrom
$386
Southwest
Aug 8
AUS8:35 amAustin Bergstrom
8h 40m
2 stops
SJU6:15 pmSan Juan Luis Munoz Marin Intl
Aug 15
SJU6:25 amSan Juan Luis Munoz Marin Intl
9h 40m
2 stops
AUS3:05 pmAustin Bergstrom
$417

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 May 19, 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

Cheapest round-trip

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 10/13

11:15 am-8:44 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Mon 10/19

2:58 am-10:12 am

1 stop8h 14m

$336

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 8/4

5:38 pm-2:34 pm

2 stops43h 56m

San Juan Luis Munoz Marin Intl

Tue 8/11

5:15 pm-12:38 pm

1 stop20h 23m

$354
Quickest round-trip

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 8/10

1:34 pm-10:29 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Sat 8/15

5:49 pm-11:59 pm

1 stop7h 10m

$356

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 8/8

9:20 am-9:55 pm

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Sat 8/15

5:55 am-1:10 pm

1 stop8h 15m

$361

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 8/9

5:38 pm-2:16 pm

1 stop19h 38m

San Juan Luis Munoz Marin Intl

Wed 8/12

6:31 pm-7:03 pm

2 stops25h 32m

$365

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 8/22

6:00 am-6:20 pm

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Thu 8/27

1:38 pm-9:50 pm

1 stop9h 12m

$366

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 8/2

7:45 pm-7:57 am

1 stop11h 12m

San Juan Luis Munoz Marin Intl

Mon 8/10

7:30 am-12:38 pm

2 stops54h 08m

$370

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 8/19

6:00 am-6:24 pm

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Tue 8/25

6:00 am-2:47 pm

2 stops9h 47m

$371

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 8/2

7:45 pm-12:47 am

2 stops28h 02m

San Juan Luis Munoz Marin Intl

Tue 8/11

5:15 pm-12:38 pm

1 stop20h 23m

$372

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 9/10

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Wed 9/16

1:00 am-1:12 pm

2 stops13h 12m

$373

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 January is also cheap. Prices for this month can be found on momondo for an average of $367.

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 from Austin 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 $429 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 $337 on momondo.

Can stopping save me money on Austin to San Juan Luis Munoz Marin Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Austin to San Juan Luis Munoz Marin Intl Airport.

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

As of May 2026, prices for Austin to San Juan Luis Munoz Marin Intl Airport flights are approximately 33% 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

Best Price Found

$288

Fastest flight time

4h 25m

Direct flights

Sun
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Austin in the past 72 hours is $288. The best round-trip flight deal from Austin to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $518.
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. The only airline offering direct flights is Southwest.
Search flight deals

Frequently asked questions about flying from Austin to San Juan Luis Munoz Marin Intl Airport

  • 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 $119Free CancellationRating
6.2
8,616 reviews
Search Spirit Airlines flights
FrontierPriceFrom $135Free CancellationRating
5.6
2,946 reviews
Search Frontier flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,450 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,736 reviews
Search United Airlines flights
SouthwestPriceFrom $261Free CancellationRating
7.9
4,286 reviews
Search Southwest flights
JetBluePriceFrom $308Free CancellationRating
7.1
2,979 reviews
Search JetBlue flights

  • Southwest Flights From Austin to San Juan Luis Munoz Marin Intl Airport

    Southwest flight deals from Austin to San Juan Luis Munoz Marin Intl Airport start from $261 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $460 round-trip - but some users have found much cheaper deals with momondo.

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
Rio Grande
Humacao
Caguas
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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