SAT - SJU

$100 Find Cheap Flights from San Antonio to San Juan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to San Juan departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Juan Luis Munoz Marin Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to San Juan.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to San Juan.
Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$183
Typical prices: $344-$533
Spirit Airlines
Fri 1/9Mon 1/12
SAT - SJU • Non-stop
Cheapest non-stop
$183
Typical prices: $310-$492
Spirit Airlines
Wed 2/4Mon 2/9
SAT - SJU • Non-stop
Our travelers' advice
AI-generated summary based on content written by travel experts
Security lines at SAT are exceptionally short.
For quick access to San Juan, taxis or Uber are efficient.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Spirit Airlines
Cheapest • from $183 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
September
Cheapest • 22% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
3 days a week
There are direct flights from San Antonio to San Juan 3 days a week: Mon, Wed, Fri.
Direct flights
Direct flights
Direct flights
Direct flights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Juan!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Antonio to San Juan (SAT-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to San Juan

Fri, Jan 9 - Mon, Jan 12
Spirit Airlines Logo
6:20 am - 1:00 pmSAT-SJU
4h 40mnonstop
Spirit Airlines Logo
1:55 pm - 4:43 pmSJU-SAT
4h 48mnonstop
$183Spirit Airlines
Find Deal
Fri, Jan 2 - Mon, Jan 12
Spirit Airlines Logo
10:42 am - 5:23 pmSAT-SJU
4h 41mnonstop
Spirit Airlines Logo
1:55 pm - 4:43 pmSJU-SAT
4h 48mnonstop
$184Spirit Airlines
Find Deal
Wed, Jan 28 - Wed, Feb 4
Spirit Airlines Logo
6:20 am - 1:00 pmSAT-SJU
4h 40mnonstop
Spirit Airlines Logo
1:55 pm - 4:43 pmSJU-SAT
4h 48mnonstop
$189Spirit Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Spirit Airlines Logo
7:37 pm - 12:32 pmSAT-SJU
14h 55m1 stop
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
$205Spirit Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 27
Spirit Airlines Logo
3:23 pm - 10:05 pmSAT-SJU
4h 42mnonstop
Spirit Airlines Logo
11:55 am - 6:32 pmSJU-SAT
8h 37m1 stop
$207Spirit Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
Multiple Airlines Logo
9:59 am - 4:41 pmSAT-SJU
4h 42mnonstop
Multiple Airlines Logo
10:22 pm - 6:19 pmSJU-SAT
21h 57m1 stop
$212Multiple Airlines
Find Deal
Mon, Nov 17 - Thu, Nov 20
Multiple Airlines Logo
9:59 am - 4:41 pmSAT-SJU
4h 42mnonstop
Multiple Airlines Logo
3:59 am - 7:21 pmSJU-SAT
17h 22m1 stop
$213Multiple Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 12
Spirit Airlines Logo
6:00 am - 7:21 pmSAT-SJU
11h 21m1 stop
Spirit Airlines Logo
1:55 pm - 4:43 pmSJU-SAT
4h 48mnonstop
$214Spirit Airlines
Find Deal
Sun, Feb 1 - Wed, Feb 4
Delta Logo
8:00 am - 8:57 pmSAT-SJU
10h 57m1 stop
Delta Logo
6:27 pm - 12:41 amSJU-SAT
8h 14m1 stop
$245Delta
Find Deal
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
3:02 pm - 2:50 amSAT-SJU
9h 48m1 stop
Frontier Logo
7:00 am - 2:07 pmSJU-SAT
9h 07m1 stop
$287Frontier
Find Deal
Booking Insights

KAYAK's insights & trends for San Antonio to San Juan flights

Get data-powered insights and trends into flights from San Antonio to San Juan to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Antonio to San Juan Luis Munoz Marin Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport departing in January.

What’s the cheapest day of the week to fly from San Antonio to San Juan?

The average price of all round-trip flights from San Antonio to San Juan Luis Munoz Marin Intl Airport clicked on KAYAK for each day over the last 12 months.

For San Antonio to San Juan, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from San Juan back to San Antonio, the best deals are generally found on Wednesday, with Monday being the most expensive.

What is the cheapest month to fly from San Antonio to San Juan Luis Munoz Marin Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to San Juan Luis Munoz Marin Intl Airport is September, where tickets cost $317 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $647 and $451 respectively.

Can I save money by flying with a layover from San Antonio to San Juan Luis Munoz Marin Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $404 on average.

How far in advance should I book a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Antonio to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Antonio to San Juan Luis Munoz Marin Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from San Antonio to San Juan

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
SAT

Security lines at SAT are exceptionally short, often under 5 minutes, making it easy to navigate for your flight to SJU.

Read more about SATby Brandon Schultz
SJU

For quick access to San Juan, taxis or Uber are efficient options, with travel times to Old San Juan typically under 25 minutes.

Read more about SJUby Gabriel Leigh
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SAT

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Good to know

Low seasonFebruary
Cheapest flight$100
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 59% increase in price.
Flight from San Antonio to San Juan

When to book flights from San Antonio to San Juan

Are your dates flexible? Find out the best times to travel from San Antonio to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Antonio to San Juan flights

  • What is the cheapest flight from San Antonio to San Juan Luis Munoz Marin Intl Airport?

    In the last 3 days, the lowest price for a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport was $100 for a one-way ticket and $183 for a round-trip.

  • Do I need a passport to fly between San Antonio and San Juan?

    Yes

  • Which airports will I be using when flying from San Antonio to San Juan?

    San Antonio airport is called San Antonio and the only airport in San Juan is San Juan Luis Munoz Marin Intl.

  • Which aircraft models fly most regularly from San Antonio to San Juan?

    The Airbus A318/A319/A320/A321 is the aircraft model that flies most regularly on the San Antonio to San Juan flight route.

  • Which airline alliances offer flights from San Antonio to San Juan?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between San Antonio and San Juan, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from San Antonio to San Juan?

    You can catch a nonstop flight from San Antonio to San Juan on Monday, Wednesday, and Friday.

  • Which is the best airline for flights from San Antonio to San Juan, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Antonio to San Juan are Southwest and Delta. With an average price for the route of $538 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $427 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from San Antonio to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and SJU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Antonio to San Juan Luis Munoz Marin Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $139 or less one-way and $213 or less round-trip.

Prefer to fly direct from San Antonio to San Juan?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Antonio to San Juan Luis Munoz Marin Intl.
Find which airlines fly direct from San Antonio Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

San Antonio to San Juan Luis Munoz Marin Intl

Monday

Spirit Airlines

Spirit Airlines

Wednesday

Spirit Airlines

Spirit Airlines

Friday

Spirit Airlines

Spirit Airlines

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to San Antonio

Monday

Spirit Airlines

Spirit Airlines

Tuesday

Spirit Airlines

Spirit Airlines

Wednesday

Spirit Airlines

Spirit Airlines

Thursday

Spirit Airlines

Spirit Airlines

Friday

Spirit Airlines

Spirit Airlines

Sunday

Spirit Airlines

Spirit Airlines

See more direct flights

Reviews of the top 5 airlines serving from San Antonio to San Juan

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to San Juan. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Antonio to San Juan? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4243 reviews
8.6Crew
7.5Entertainment
8.0Comfort
7.0Food
8.1Boarding
Airline reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

8.0 ExcellentGreg, Oct 2025OAK - BUR
Read more Southwest reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

Flight crew and cabin crew were great. I had to rearrange flights because my original flight was 3hrs delayed for weather, the rub is the flight I moved to boarded on time then we sat at the gate for 2 hours because scheduling stole our first officer for another flight, TWICE. Then our actual FO was an hour delayed. To make it worse my original flight went from a 3 hour delay to departing 15min EARLY. Just poor scheduling operations all around.

Bring back peanuts Take our drink orders when were all seated, especially after you switch to assigned seating.

I’ve always loved Southwest. No issues at all. I was flying standby and the gate agent was extremely friendly and helpful. Boarding was smooth and I was able to get a window seat in the emergency exit row. Crew was fantastic! They were very professional and accommodating. We had to divert from our destination due to weather but the flight crew kept everyone at ease and informed us of all pertinent information. Excellent flight

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

The aircraft interior is old and tired on this aircraft. The entertainment system never worked despite the crews attempt to reset the system.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Old plane and old configuration/seats but still comfortable for a morning flight

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

Flight was crowded and the woman sitting on my left was large & kept crouching in to my space. You need bigger seats or smaller passengers to fit into the seats you DO have! Snack were OK. Would appreciate if airlines had more savory rather than sweet snacks, thank you!

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Crew was excellent. This was a relatively long flight though and had very little leg room, and no entertainment.

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight was delayed and missed my connection Lufthansa didn’t respond.

the delay for 3 hours was understandable due to weather conditions but the flight should’ve provided some on flight compensations or at least provide more food.

United could have one single once of customer service. No human United employee would help me with the invalid mileage plus number, they said I had to speak with the computer.

A little bit more leg room in premium economy. I am 6’4”.

Overall it was good. I missed my connection but I was put on another flight.

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

The only thing to like was that we eventually got to our destination

Poor seat in rear of aircraft Food at Admiral’s Club Terminal D at DFW inedible

After we landed we sat on the tarmac for 1.5 hours waiting to get to our gate. Ridiculous.

We were delayed for a “couple of maintenance issues.” They were resolved rather quickly but a computer glitch caused someone in the airport to have to bring a physical copy of the paperwork so we could leave. I don’t know where they had to drive from to get to our plane but it took forever & we were 1 1/2 hrs late in leaving. The flight itself was fine.

We didn't take off until an hour after we boarded.

The flight was fine. This survey is not. There is no option for N/A so items which don’t apply to my experience still must be rated. In those instances I give a “3” rating which ultimately skews the results.

The actual trip was fine, however, the changes made to our flights and the layovers were had to endure were awful.

Flight from Dallas to OKC was good, but my trip was interrupted due to a delayed flight from Austin to DFW, which happens all the time. I frequently miss my connection from DFW and American can never seem to make this work!

Always comes in handy when I want a quick weekend getaway.

The entire staff from check in agents to flight attendants were pleasant and professional. Would suggest a complimentary water.

No Tumberlence smooth flight. Try to change the menu on Snacks.

Spirit is low fare air line. Food also cost you. No free food.

Everyone was kind for the most part. I did travel with children and paid for seats and even then it was not as suitable. I tried calling their customer service prior to check in and I was told they couldn't help me because I didn't purchase my tickets with them.

I think the staff was nice. They took time to explain safety protocols. Boarding was great. They started early and our flight left a little early which was convenient. Having free games to play would have been better

Just total easy flight experience!! What could you do better..? Hmmm..? There was nothing I can remember. Spirit was a far more comfortable and easy process than American, United & Delta. I'll always look for Spirit and I've told a few people about, since flying this past trip!! I'm a SPIRIT FAN!! Thank You, SPIRIT AIRLINES!! Very, VERY well done, 100%!! See you...SOON!! -Best, Linda R.

The flight was 3.5 hrs delayed. I was not notified prior to arriving to the airport via spirit app. or via boarding pass that I already had loaded on my phone. The agent that i saw at the counter didn’t mention anything about the delay either. I only saw the update after logging in to my email account.

Better than my las vagas experience, but still dissapointed with the airline support service.

It was a good an early bird pleasant and quiet

Everything you need to know for your flight from San Antonio to San Juan

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.