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Cheap flights from Austin to San Juan from $70

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 2/18. 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
11:30 am - 12:32 pm
AUS
-
SJU
23h 02m1 stop
Multiple Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$195Multiple Airlines
Sat, Jan 17 - Sat, Jan 31
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$196Spirit Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
5:30 am - 10:05 pm
AUS
-
SJU
14h 35m1 stop
Multiple Airlines Logo
6:00 am - 9:35 pm
SJU
-
AUS
17h 35m1 stop
$197Multiple Airlines
Mon, Jan 5 - Thu, Jan 15
Multiple Airlines Logo
11:16 am - 3:31 pm
AUS
-
SJU
26h 15m1 stop
Multiple Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$198Multiple Airlines
Sat, Jan 31 - Tue, Feb 3
Multiple Airlines Logo
5:30 am - 11:44 pm
AUS
-
SJU
16h 14m1 stop
Multiple Airlines Logo
6:48 pm - 10:34 am
SJU
-
AUS
17h 46m1 stop
$202Multiple Airlines
Tue, Jan 6 - Fri, Jan 16
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$203Spirit Airlines
Mon, Jan 26 - Thu, Jan 29
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$204Spirit Airlines
Mon, Jan 12 - Thu, Jan 22
Multiple Airlines Logo
11:30 am - 1:20 am
AUS
-
SJU
11h 50m1 stop
Multiple Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$205Multiple Airlines
Sun, Jan 18 - Thu, Jan 29
Multiple Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Multiple Airlines Logo
6:59 pm - 9:53 am
SJU
-
AUS
16h 54m1 stop
$206Multiple Airlines
Tue, Feb 10 - Thu, Feb 19
Spirit Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:35 pm
SJU
-
AUS
6h 55m1 stop
$207Spirit Airlines
Fri, Jan 16 - Tue, Jan 27

American Airlines flights from Austin to San Juan

Our best American Airlines deals on Austin to San Juan flight tickets
American Airlines
Jan 24
AUS11:45 amAustin Bergstrom
10h 14m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Jan 31
SJU6:00 amSan Juan Luis Munoz Marin Intl
11h 09m
2 stops
AUS3:09 pmAustin Bergstrom
$245
Find similar
American Airlines
Dec 16
AUS6:03 pmAustin Bergstrom
15h 56m
1 stop
SJU11:59 amSan Juan Luis Munoz Marin Intl
Dec 29
SJU10:03 pmSan Juan Luis Munoz Marin Intl
14h 09m
1 stop
AUS10:12 amAustin Bergstrom
$567
Find similar

Spirit Airlines flights from Austin to San Juan

Our best Spirit Airlines deals on Austin to San Juan flight tickets
Spirit Airlines
Feb 4
AUS7:25 amAustin Bergstrom
6h 10m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Feb 11
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$196
Find similar
Spirit Airlines
Jan 26
AUS7:25 amAustin Bergstrom
6h 10m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU4:40 pmSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
AUS9:35 pmAustin Bergstrom
$203
Find similar
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
$204
Find similar

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 December 9, 2025.
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

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 1/17

11:30 am-12:32 pm

1 stop23h 02m

San Juan Luis Munoz Marin Intl

Sat 1/31

4:40 pm-9:35 pm

1 stop6h 55m

$195

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 2/4

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Wed 2/11

4:40 pm-9:35 pm

1 stop6h 55m

$196

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/5

5:30 am-10:05 pm

1 stop14h 35m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-9:35 pm

1 stop17h 35m

$197

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 1/31

11:16 am-3:31 pm

1 stop26h 15m

San Juan Luis Munoz Marin Intl

Tue 2/3

4:40 pm-9:35 pm

1 stop6h 55m

$198

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 1/6

5:30 am-11:44 pm

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-10:34 am

1 stop17h 46m

$202

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 1/26

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Thu 1/29

4:40 pm-9:35 pm

1 stop6h 55m

$203

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

Thu 1/22

4:40 pm-9:35 pm

1 stop6h 55m

$204

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/18

11:30 am-1:20 am

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Thu 1/29

4:40 pm-9:35 pm

1 stop6h 55m

$205

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 2/10

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Thu 2/19

6:59 pm-9:53 am

1 stop16h 54m

$206

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 1/16

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Tue 1/27

4:40 pm-9:35 pm

1 stop6h 55m

$207

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 September is your next best option. Flight prices from Austin to San Juan during September average around $374.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Austin to San Juan is on a Wednesday when prices can be found for as low as $412. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $583.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is in the afternoon when flights can be purchased for as low as $396. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $583 on average. Flights to San Juan from Austin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $434 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 $376 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

1 airport
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 is 1 airport near San Juan: 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 6h 10m 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 $126Free CancellationRating
6.3
8,171 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,088 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
JetBluePriceFrom $325Free CancellationRating
7.2
2,899 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.

An easier way to manage your San Juan trip

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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