$162 Cheap United flights from San Antonio to Cancun (SAT to CUN)

Find The Best Day To Fly from San Antonio to Cancun

Amazing United SAT to CUN Flight Deals

The cheapest flights to Cancun Intl. found within the past 7 days were $388 round trip and $162 one way. Prices and availability subject to change. Additional terms may apply.

CUN From SAT Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Tago Tulum by G Hotels
Naay Boutique Hotel
Ocean Dream Cancun by GuruHotel
Don't see what you're looking for?
See all available trips from San Antonio Intl. to Cancun Intl.
View all trips

Frequently asked questions

Can I catch a flight from San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN) right now?
It's always wise to learn about any quarantine requirements and travel advice reports in place in your destination. Make sure you go to our Covid-19 Travel Advisor for up-to-date info on catching a flight to Cancun Airport.
What terminal is United Airlines at SAT?
As soon as you're given your boarding pass for your United Airlines flight from SAT to Cancun Airport, see if the terminal details are written on it. If not, ask your air carrier. They should be able to let you know exactly where you'll be flying into and out of.
Are there United Airlines non-stop flights from SAT to CUN?
Plan for a stopover when jetting from SAT to Cancun Intl. Airport (CUN), as United Airlines doesn't offer nonstop flights between these two locations. While in transit, you might like to buy a new novel or a travel magazine from the airport bookstore to make the time go faster.
How long is a United Airlines flight from SAT to CUN?
3 hours and 26 minutes is about how long you can expect to be airborne for if you're traveling with United Airlines from SAT to CUN. That'll allow you just enough time to finish a couple of chapters of your book or enjoy a bit of shut-eye.
How many direct and indirect flights does United Airlines fly from SAT to CUN?
Take your pick of approximately 6 flights per day with United Airlines from SAT to Cancun Airport.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to CUN, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from San Antonio SAT to Cancun CUN 

To find the best deals on flights to San Antonio from Cancun with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Antonio SAT to Cancun CUN with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $388 to $388, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Antonio SAT to Cancun CUN 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Antonio to Cancun costs from $162. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Cancun CUN from  San Antonio SAT with United 

To find a cheap United flight from San Antonio SAT to Cancun CUN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Antonio SAT to Cancun CUN 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from San Antonio SAT to Cancun CUN with United 

If you’re keen to be on Cancun soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Antonio SAT to Cancun CUN 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Cancun CUN from  San Antonio SAT with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Cancun

The Westin Resort & Spa, Cancun

The Westin Resort & Spa, Cancun

4 out of 5
Boulevard Kukulcan Km 20 Cancun QROO
A full-service spa, 3 restaurants, and 4 outdoor pools are all featured at this condo resort. Traveling on business? Take advantage of the 11 conference rooms, ...
8.6/10 Excellent! (2,751 reviews)
The Spa experience was wonderful along with the many pools and access to the beach. It is a beautiful property. Dinner at Sea and Stones was delicious! The buffet was also amazing with many options and something for everyone. My room was in building D with a balcony and ocean and pool view. Beautiful ...

Reviewed on Mar 2, 2026

The Westin Resort & Spa, Cancun
Seadust Cancún All Inclusive Family Resort

Seadust Cancún All Inclusive Family Resort

3.5 out of 5
Blvd. Kukulcán Km.17, Lote 52-04 Cancun QROO
This all-inclusive resort features free water park access, a full-service spa, and 9 restaurants. Relax with sun loungers and beach umbrellas, and cool off with ...
7.6/10 Good! (3,139 reviews)
We stayed in extra upgraded juccuzzi tub on our balcony. The beverages, beers, and waters were not refilled at all during our stayed. Whether we’d requested via phone/in person in lobby. Why won’t they automatically refill while doing their housekeeping since we’d cut the light green/on??? It’s an ...

Reviewed on Mar 3, 2026

Seadust Cancún All Inclusive Family Resort
Hilton Cancun, an All-Inclusive Resort

Hilton Cancun, an All-Inclusive Resort

4.5 out of 5
Highway 307 Cancun QROO
A private beach, free water park access, and 2 outdoor pools are all featured at this smoke-free property. Spend a day at the beach kayaking, or relax with sun ...
8.6/10 Excellent! (3,298 reviews)
Yes the ocean was visible from the room if you get ocean view, the beach area its self is not the big, some sea weed but they did a good job cleaning up. The rooms were clean, staff were very nice and friendly, they were the best. The pool was also great they do a good job with pool activities, overall ...

Reviewed on Mar 2, 2026

Hilton Cancun, an All-Inclusive Resort
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.