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Cheap flights from Austin to San Juan from $75

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 1/10. 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.
Multiple Airlines Logo
7:51 pm - 3:19 pm
AUS
-
SJU
17h 28m2 stops
Multiple Airlines Logo
8:00 am - 9:35 pm
SJU
-
AUS
15h 35m1 stop
$197Multiple Airlines
Sun, Jan 11 - Sat, Jan 17
Multiple Airlines Logo
7:56 pm - 8:54 am
AUS
-
SJU
34h 58m2 stops
Multiple Airlines Logo
8:00 am - 9:35 pm
SJU
-
AUS
15h 35m1 stop
$198Multiple Airlines
Fri, Jan 9 - Sat, Jan 17
Multiple Airlines Logo
10:32 am - 6:34 am
AUS
-
SJU
18h 02m2 stops
Multiple Airlines Logo
5:18 pm - 10:34 am
SJU
-
AUS
19h 16m1 stop
$199Multiple Airlines
Tue, Jan 6 - Fri, Jan 9
Multiple Airlines Logo
7:00 am - 3:35 pm
AUS
-
SJU
6h 35m1 stop
Multiple Airlines Logo
6:00 am - 9:35 pm
SJU
-
AUS
17h 35m1 stop
$200Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
7:00 am - 3:35 pm
AUS
-
SJU
6h 35m1 stop
Multiple Airlines Logo
6:00 am - 9:35 pm
SJU
-
AUS
17h 35m1 stop
$201Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
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
6:05 pm - 12:35 pm
AUS
-
SJU
16h 30m2 stops
Multiple Airlines Logo
6:00 am - 9:35 pm
SJU
-
AUS
17h 35m1 stop
$205Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Multiple Airlines Logo
4:36 pm - 6:31 pm
SJU
-
AUS
27h 55m1 stop
$206Multiple Airlines
Sun, Jan 25 - Sat, Jan 31
Multiple Airlines Logo
7:25 am - 3:35 pm
AUS
-
SJU
6h 10m1 stop
Multiple Airlines Logo
8:00 am - 9:35 pm
SJU
-
AUS
15h 35m1 stop
$207Multiple Airlines
Sun, Jan 11 - Sat, Jan 17
Multiple Airlines Logo
10:52 am - 3:33 pm
AUS
-
SJU
26h 41m2 stops
Multiple Airlines Logo
5:18 pm - 10:34 am
SJU
-
AUS
19h 16m1 stop
$210Multiple Airlines
Wed, Jan 7 - Sat, Jan 10

Southwest flights from Austin to San Juan

Our best Southwest deals on Austin to San Juan flight tickets
Southwest
Dec 15
AUS12:50 pmAustin Bergstrom
9h 45m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Dec 18
SJU3:30 pmSan Juan Luis Munoz Marin Intl
9h 50m
2 stops
AUS11:20 pmAustin Bergstrom
$405
Find similar
Southwest
Dec 15
AUS1:10 pmAustin Bergstrom
9h 25m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Dec 18
SJU5:40 amSan Juan Luis Munoz Marin Intl
10h 30m
2 stops
AUS2:10 pmAustin Bergstrom
$415
Find similar

Frontier flights from Austin to San Juan

Our best Frontier deals on Austin to San Juan flight tickets
Frontier
Dec 23
AUS10:50 amAustin Bergstrom
12h 49m
1 stop
SJU1:39 amSan Juan Luis Munoz Marin Intl
Dec 24
SJU9:37 pmSan Juan Luis Munoz Marin Intl
12h 31m
1 stop
AUS8:08 amAustin Bergstrom
$265
Find similar
Frontier
Dec 14
AUS9:12 pmAustin Bergstrom
10h 25m
1 stop
SJU9:37 amSan Juan Luis Munoz Marin Intl
Dec 16
SJU3:55 amSan Juan Luis Munoz Marin Intl
30h 13m
1 stop
AUS8:08 amAustin Bergstrom
$272
Find similar
Frontier
Dec 14
AUS9:12 pmAustin Bergstrom
10h 25m
1 stop
SJU9:37 amSan Juan Luis Munoz Marin Intl
Feb 8
SJU6:00 amSan Juan Luis Munoz Marin Intl
14h 31m
1 stop
AUS6:31 pmAustin Bergstrom
$282
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 11, 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

Sun 1/11

7:51 pm-3:19 pm

2 stops17h 28m

San Juan Luis Munoz Marin Intl

Sat 1/17

8:00 am-9:35 pm

1 stop15h 35m

$197

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 1/9

7:56 pm-8:54 am

2 stops34h 58m

San Juan Luis Munoz Marin Intl

Sat 1/17

8:00 am-9:35 pm

1 stop15h 35m

$198

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 1/6

10:32 am-6:34 am

2 stops18h 02m

San Juan Luis Munoz Marin Intl

Fri 1/9

5:18 pm-10:34 am

1 stop19h 16m

$199

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 1/8

7:00 am-3:35 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-9:35 pm

1 stop17h 35m

$200

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 1/8

7:00 am-3:35 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-9:35 pm

1 stop17h 35m

$201

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

Thu 1/8

6:05 pm-12:35 pm

2 stops16h 30m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-9:35 pm

1 stop17h 35m

$205

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/25

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Sat 1/31

4:36 pm-6:31 pm

1 stop27h 55m

$206

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 1/11

7:25 am-3:35 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Sat 1/17

8:00 am-9:35 pm

1 stop15h 35m

$207

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 1/7

10:52 am-3:33 pm

2 stops26h 41m

San Juan Luis Munoz Marin Intl

Sat 1/10

5:18 pm-10:34 am

1 stop19h 16m

$210

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 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 30m

Direct flights

Sun

Airports in San Juan

2 airports
The fastest flight from Austin to San Juan takes 4h 30m
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 30m 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
8,175 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $265Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
JetBluePriceFrom $325Free CancellationRating
7.2
2,898 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