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Cheap flights from Austin to San Juan from $114

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 3/29. 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
1 adult, Economy, 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
4:14 pm - 12:52 am
AUS
-
SJU
7h 38m
1 stop
Multiple Airlines Logo
12:55 pm - 12:42 am
SJU
-
AUS
12h 47m
1 stop
$236Multiple Airlines
Wed, Apr 8 - Sat, Apr 11
Multiple Airlines Logo
7:12 pm - 9:54 am
AUS
-
SJU
13h 42m
1 stop
Multiple Airlines Logo
12:57 pm - 11:40 pm
SJU
-
AUS
11h 43m
1 stop
$240Multiple Airlines
Mon, Apr 27 - Sat, May 2
Multiple Airlines Logo
4:14 pm - 12:52 am
AUS
-
SJU
7h 38m
1 stop
Multiple Airlines Logo
12:55 pm - 12:24 am
SJU
-
AUS
12h 29m
1 stop
$241Multiple Airlines
Tue, Apr 7 - Fri, Apr 10
Spirit Airlines Logo
6:12 am - 6:55 pm
AUS
-
SJU
11h 43m
1 stop
Spirit Airlines Logo
7:54 pm - 12:24 am
SJU
-
AUS
29h 30m
1 stop
$242Spirit Airlines
Tue, Apr 7 - Thu, Apr 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
$243Frontier
Wed, May 6 - Fri, May 8
Multiple Airlines Logo
7:12 pm - 9:54 am
AUS
-
SJU
13h 42m
1 stop
Multiple Airlines Logo
12:57 pm - 11:40 pm
SJU
-
AUS
11h 43m
1 stop
$245Multiple Airlines
Mon, Apr 27 - Sat, May 2
Frontier Logo
8:59 pm - 9:54 am
AUS
-
SJU
11h 55m
1 stop
Frontier Logo
3:03 am - 10:45 am
SJU
-
AUS
8h 42m
1 stop
$246Frontier
Sun, May 3 - Thu, May 7
Multiple Airlines Logo
4:14 pm - 12:52 am
AUS
-
SJU
7h 38m
1 stop
Multiple Airlines Logo
12:55 pm - 12:24 am
SJU
-
AUS
12h 29m
1 stop
$249Multiple Airlines
Tue, Apr 7 - Thu, Apr 9
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
$250Spirit Airlines
Wed, Apr 8 - Thu, Apr 9
Multiple Airlines Logo
6:12 am - 6:55 pm
AUS
-
SJU
11h 43m
1 stop
Multiple Airlines Logo
3:21 am - 6:17 pm
SJU
-
AUS
15h 56m
1 stop
$251Multiple Airlines
Sat, Apr 11 - Wed, Apr 15

Frontier flights from Austin to San Juan

Our best Frontier deals on Austin to San Juan flight tickets
Frontier
May 6
AUS11:30 amAustin Bergstrom
10h 13m
1 stop
SJU10:43 pmSan Juan Luis Munoz Marin Intl
May 8
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 42m
1 stop
AUS10:45 amAustin Bergstrom
$243
Frontier
May 3
AUS8:59 pmAustin Bergstrom
11h 55m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
May 7
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 42m
1 stop
AUS10:45 amAustin Bergstrom
$246
Frontier
May 3
AUS8:59 pmAustin Bergstrom
11h 55m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
May 10
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 42m
1 stop
AUS10:45 amAustin Bergstrom
$271

Delta flights from Austin to San Juan

Our best Delta deals on Austin to San Juan flight tickets
Delta
May 5
AUS6:30 amAustin Bergstrom
8h 53m
1 stop
SJU4:23 pmSan Juan Luis Munoz Marin Intl
May 6
SJU5:34 pmSan Juan Luis Munoz Marin Intl
7h 43m
1 stop
AUS12:17 amAustin Bergstrom
$256
Delta
May 1
AUS5:25 amAustin Bergstrom
7h 00m
1 stop
SJU1:25 pmSan Juan Luis Munoz Marin Intl
May 9
SJU5:43 pmSan Juan Luis Munoz Marin Intl
7h 48m
1 stop
AUS12:31 amAustin Bergstrom
$296

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 March 23, 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

Wed 4/8

4:14 pm-12:52 am

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Sat 4/11

12:55 pm-12:42 am

1 stop12h 47m

$236

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 4/27

7:12 pm-9:54 am

1 stop13h 42m

San Juan Luis Munoz Marin Intl

Sat 5/2

12:57 pm-11:40 pm

1 stop11h 43m

$240

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 4/7

4:14 pm-12:52 am

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Fri 4/10

12:55 pm-12:24 am

1 stop12h 29m

$241

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 4/7

6:12 am-6:55 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:54 pm-12:24 am

1 stop29h 30m

$242
Quickest round-trip

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 5/6

11:30 am-10:43 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Fri 5/8

3:03 am-10:45 am

1 stop8h 42m

$243

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 4/27

7:12 pm-9:54 am

1 stop13h 42m

San Juan Luis Munoz Marin Intl

Sat 5/2

12:57 pm-11:40 pm

1 stop11h 43m

$245

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 5/3

8:59 pm-9:54 am

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Thu 5/7

3:03 am-10:45 am

1 stop8h 42m

$246

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 4/7

4:14 pm-12:52 am

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Thu 4/9

12:55 pm-12:24 am

1 stop12h 29m

$249

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 4/8

6:12 am-6:55 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:54 pm-4:04 pm

1 stop21h 10m

$250

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 4/11

6:12 am-6:55 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Wed 4/15

3:21 am-6:17 pm

1 stop15h 56m

$251

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 $365.

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 $347 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 25m

Direct flights

Sun

Airports in San Juan

2 airports
The fastest flight from Austin to San Juan takes 4h 25m
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

  • 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 25m 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
8,538 reviews
Search Spirit Airlines flights
DeltaPriceFrom $132Free CancellationRating
7.9
8,318 reviews
Search Delta flights
FrontierPriceFrom $139Free CancellationRating
5.7
3,020 reviews
Search Frontier flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
SouthwestPriceFrom $260Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
JetBluePriceFrom $303Free CancellationRating
7.2
2,908 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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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