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

View AU$381 flight on Sun, 12 Oct. 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Luis Munoz Marin Intl. Airport (SJU)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from San Antonio (SAT) to San Juan (SJU)

May is typically the cheapest month to fly

From AU$244 - AU$650 per traveller.

Graph displaying average flight prices per month

Flight from San Antonio to San Juan route information
Origin airport
San Antonio Intl.
Destination airport
Luis Munoz Marin Intl.
Distance
3486 km

Your quick guide to flights from San Antonio to San Juan

Pick up great flights from San Antonio to San Juan

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Antonio to San Juan. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Antonio to San Juan that take around hours.

Find cheap flights from San Antonio to San Juan

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Antonio to San Juan around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Juan is normally in .

Reasons to book your flight from San Antonio to San Juan with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Antonio to San Juan across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Juan right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from San Antonio Airport to Isla Verde Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from San Antonio Intl. Airport (SAT) to Luis Munoz Marin Intl. Airport (SJU) was . Cheap tickets don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Antonio Intl. Airport (SAT) to SJU?
When it comes to cancellation fees, every airline has its own terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from San Antonio Intl. Airport (SAT) to SJU that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Antonio Airport to Isla Verde Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SAT to SJU?
Around 3 500 kilometres separates San Antonio and Carolina, so pack some in-flight entertainment to keep you busy for a couple of hours. That thrilling novel you haven't started will be perfect.
Which airlines fly direct from San Antonio Airport to Luis Munoz Marin Intl. Airport (SJU)?
You won't find any airlines operating directly between SAT and Luis Munoz Marin Intl. Airport (SJU), so be prepared to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are San Antonio Airport to Luis Munoz Marin Intl. Airport (SJU) flight tickets cheaper when they're purchased at the last minute?
It is possible to score an amazing last-minute deal from SAT to Luis Munoz Marin Intl. Airport (SJU), but there's no guarantee. As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can feel confident knowing you're always seeing the latest offers.

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