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Cheap flights from Austin to San Juan from $102

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 9/6. 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

American Airlines Logo
5:00 am - 2:53 pmAUS-SJU
8h 53m2 stops
American Airlines Logo
4:43 pm - 11:28 pmSJU-AUS
7h 45m1 stop
$225American Airlines
Find Deal
Mon, Sep 22 - Tue, Sep 30
American Airlines Logo
9:05 am - 10:10 pmAUS-SJU
12h 05m1 stop
American Airlines Logo
7:05 pm - 10:03 amSJU-AUS
15h 58m1 stop
$230American Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
Delta Logo
10:45 am - 10:00 pmAUS-SJU
10h 15m1 stop
Delta Logo
5:41 pm - 12:13 amSJU-AUS
7h 32m1 stop
$235Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
Frontier Logo
11:00 am - 2:50 amAUS-SJU
14h 50m1 stop
Frontier Logo
4:42 pm - 5:25 pmSJU-AUS
25h 43m1 stop
$239Frontier
Find Deal
Sat, Aug 30 - Sat, Sep 6
American Airlines Logo
3:55 pm - 11:54 pmAUS-SJU
6h 59m1 stop
American Airlines Logo
7:05 pm - 10:03 amSJU-AUS
15h 58m1 stop
$250American Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 20
Frontier Logo
11:00 am - 2:50 amAUS-SJU
14h 50m1 stop
Frontier Logo
4:42 pm - 5:25 pmSJU-AUS
25h 43m1 stop
$254Frontier
Find Deal
Sat, Aug 30 - Sat, Sep 13
Delta Logo
11:59 am - 10:00 pmAUS-SJU
9h 01m1 stop
Delta Logo
5:41 pm - 12:13 amSJU-AUS
7h 32m1 stop
$255Delta
Find Deal
Mon, Sep 15 - Fri, Sep 19
Spirit Airlines Logo
7:15 am - 9:48 pmAUS-SJU
13h 33m1 stop
Spirit Airlines Logo
5:42 pm - 12:59 amSJU-AUS
8h 17m1 stop
$260Spirit Airlines
Find Deal
Sun, Aug 17 - Thu, Aug 21
Spirit Airlines Logo
6:00 am - 2:11 pmAUS-SJU
31h 11m2 stops
Spirit Airlines Logo
2:48 am - 9:39 pmSJU-AUS
19h 51m2 stops
$261Spirit Airlines
Find Deal
Mon, Oct 27 - Tue, Oct 28
United Airlines Logo
10:00 am - 11:57 pmAUS-SJU
12h 57m2 stops
United Airlines Logo
1:05 am - 1:08 pmSJU-AUS
13h 03m2 stops
$315United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30

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

Our best American Airlines deals on Austin to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Sep 22
AUS5:00 amAustin Bergstrom
8h 53m
2 stops
SJU2:53 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU4:43 pmSan Juan Luis Munoz Marin Intl
7h 45m
1 stop
AUS11:28 pmAustin Bergstrom
$225
Find similar
American Airlines
Oct 22
AUS9:05 amAustin Bergstrom
12h 05m
1 stop
SJU10:10 pmSan Juan Luis Munoz Marin Intl
Oct 27
SJU7:05 pmSan Juan Luis Munoz Marin Intl
15h 58m
1 stop
AUS10:03 amAustin Bergstrom
$230
Find similar
American Airlines
Oct 11
AUS3:55 pmAustin Bergstrom
6h 59m
1 stop
SJU11:54 pmSan Juan Luis Munoz Marin Intl
Oct 20
SJU7:05 pmSan Juan Luis Munoz Marin Intl
15h 58m
1 stop
AUS10:03 amAustin Bergstrom
$250
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
Aug 17
AUS7:15 amAustin Bergstrom
13h 33m
1 stop
SJU9:48 pmSan Juan Luis Munoz Marin Intl
Aug 21
SJU5:42 pmSan Juan Luis Munoz Marin Intl
8h 17m
1 stop
AUS12:59 amAustin Bergstrom
$260
Find similar
Spirit Airlines
Oct 27
AUS6:00 amAustin Bergstrom
31h 11m
2 stops
SJU2:11 pmSan Juan Luis Munoz Marin Intl
Oct 28
SJU2:48 amSan Juan Luis Munoz Marin Intl
19h 51m
2 stops
AUS9:39 pmAustin Bergstrom
$261
Find similar
Spirit Airlines
Sep 17
AUS5:45 amAustin Bergstrom
28h 19m
1 stop
SJU11:04 amSan Juan Luis Munoz Marin Intl
Sep 24
SJU3:19 pmSan Juan Luis Munoz Marin Intl
32h 43m
2 stops
AUS11:02 pmAustin Bergstrom
$272
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 August 2, 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 9/22

5:00 am-2:53 pm

2 stops8h 53m

San Juan Luis Munoz Marin Intl

Tue 9/30

4:43 pm-11:28 pm

1 stop7h 45m

$225

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 10/22

9:05 am-10:10 pm

1 stop12h 05m

San Juan Luis Munoz Marin Intl

Mon 10/27

7:05 pm-10:03 am

1 stop15h 58m

$230

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 9/13

10:45 am-10:00 pm

1 stop10h 15m

San Juan Luis Munoz Marin Intl

Sat 9/20

5:41 pm-12:13 am

1 stop7h 32m

$235

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 8/30

11:00 am-2:50 am

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Sat 9/6

4:42 pm-5:25 pm

1 stop25h 43m

$239

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 10/11

3:55 pm-11:54 pm

1 stop6h 59m

San Juan Luis Munoz Marin Intl

Mon 10/20

7:05 pm-10:03 am

1 stop15h 58m

$250

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 8/30

11:00 am-2:50 am

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Sat 9/13

4:42 pm-5:25 pm

1 stop25h 43m

$254

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 9/15

11:59 am-10:00 pm

1 stop9h 01m

San Juan Luis Munoz Marin Intl

Fri 9/19

5:41 pm-12:13 am

1 stop7h 32m

$255

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 8/17

7:15 am-9:48 pm

1 stop13h 33m

San Juan Luis Munoz Marin Intl

Thu 8/21

5:42 pm-12:59 am

1 stop8h 17m

$260

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 10/27

6:00 am-2:11 pm

2 stops31h 11m

San Juan Luis Munoz Marin Intl

Tue 10/28

2:48 am-9:39 pm

2 stops19h 51m

$261

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 9/23

10:00 am-11:57 pm

2 stops12h 57m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:05 am-1:08 pm

2 stops13h 03m

$315

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 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $355.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Austin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $412. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $589.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $396. Flights in the morning are often more expensive with an average ticket price of $589.

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 $442 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 $388 on momondo.

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

There are 1 cabin classes 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 12% 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 August 2025, prices for Austin to San Juan Luis Munoz Marin Intl Airport flights are approximately 60% 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

$102

Fastest flight time

6h 59m

Direct flights

Sun
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Austin in the past 72 hours is $102. 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 $225.
The fastest flight from Austin to San Juan Luis Munoz Marin Intl Airport takes 6h 59m
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

  • 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 6h 59m.

  • 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
FrontierPriceFrom $144Free CancellationRating
5.8
3,237 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $177Free CancellationRating
6.3
8,058 reviews
Search Spirit Airlines flights
DeltaPriceFrom $264Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $294Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
8,905 reviews
Search United Airlines 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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