$44 Cheap Flights from United States to San Antonio International
One-way
Departing from
United States
Going to
San Antonio International
San Antonio (SAT)
United States • April, 2026
94% AI deal score
$485 $56
San Antonio (SAT)
United States • April, 2026
94% AI deal score
$615 $132
San Antonio (SAT)
United States • April, 2026
93% AI deal score
$485 $66
San Antonio (SAT)
United States • June, 2026
91% AI deal score
$680 $168
Top Cheap Flight Deals from United States to San Antonio International
Recent round-trip flight deals to San Antonio International
Tue, Apr 14 - Wed, Apr 15
Cheapest
Denver (DEN) - San Antonio (SAT)
Frontier Airlines airlines • Direct
San Antonio (SAT) - Denver (DEN)
Frontier Airlines airlines • Direct
$243
$68
-$175
72%
Wed, Apr 15 - Thu, Apr 16
Denver (DEN) - San Antonio (SAT)
Frontier Airlines airlines • Direct
San Antonio (SAT) - Denver (DEN)
Frontier Airlines airlines • Direct
$243
$68
-$175
72%
Sat, Apr 11 - Tue, Apr 14
Denver (DEN) - San Antonio (SAT)
Frontier Airlines airlines • Direct
San Antonio (SAT) - Denver (DEN)
Frontier Airlines airlines • Direct
$243
$68
-$175
72%
Sat, Apr 11 - Wed, Apr 15
Denver (DEN) - San Antonio (SAT)
Frontier Airlines airlines • Direct
San Antonio (SAT) - Denver (DEN)
Frontier Airlines airlines • Direct
$243
$68
-$175
72%
Sat, Apr 11 - Thu, Apr 16
Denver (DEN) - San Antonio (SAT)
Frontier Airlines airlines • Direct
San Antonio (SAT) - Denver (DEN)
Frontier Airlines airlines • Direct
$243
$68
-$175
72%
Wed, Apr 8 - Tue, Apr 14
Denver (DEN) - San Antonio (SAT)
Frontier Airlines airlines • Direct
San Antonio (SAT) - Denver (DEN)
Frontier Airlines airlines • Direct
$243
$68
-$175
72%
The cheapest time to fly to San Antonio International
Ready to jet to San Antonio International on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from United States to San Antonio
To help you plan your journey, here are some quick San Antonio flight facts and tips.
San Antonio airports
San Antonio boasts convenient air travel options, primarily served by San Antonio International Airport (SAT). SAT, located just eight miles north of downtown, acts as the major commercial gateway to the region. Expect a passenger-friendly experience with a variety of airlines offering both domestic and international flights. You'll find connections to major hubs across the United States, as well as direct flights to select destinations in Mexico. The airport features two terminals, well-equipped with amenities like restaurants, shops, and comfortable waiting areas. Ground transportation is readily available, with options including taxis, ride-sharing services, rental cars, and public transportation, ensuring easy access to and from the city center and surrounding areas. SAT efficiently connects San Antonio to the world, making it a crucial asset for both business and leisure travelers.
Pro tip: search “San Antonio (Any)” to see fares to all San Antonio airports – sometimes one is cheaper than the others on your dates.
Insights for flights to San Antonio International
Cheapest airport
San Antonio (SAT)
Welcome to San Antonio International Airport (SAT), your gateway to the Alamo City! While it may not be the biggest airport, SAT offers a Texan-sized welcome with convenient access to downtown and major attractions. Expect a smooth travel experience with a touch of southern hospitality.
Nonstop vs. 1-stop
50+ cities
Though not a major hub, San Antonio International Airport (SAT) connects you to over 50 cities non-stop, making it a convenient gateway to destinations like Dallas, Houston, and Atlanta.
Number of airlines
10+ airlines
SAT Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SAT airport insights
Best days to catch a deal
Tue, Thur
Based on the provided data, Saturday is the best day to find cheap flight deals from San Antonio International Airport. Sunday and Wednesday also appear to offer better deals than other days of the week.
Avg. deal survival time
10.2 hours
On average, flight deals from San Antonio International Airport (SAT) are available for approximately 10.2 hours. If you see a deal you like for SAT, it's best to book quickly before it disappears.
Rare deal frequency
3 deals
We've identified 3 rare deals for San Antonio International Airport in the last month. These rare finds, scoring 90+ on our AI Deal Score, typically include mistake fares, special promotions, or ultra-discounts.
Average price drop
-51%
On average, you can save significantly on flights from San Antonio International Airport, with price drops averaging around 51.3%. This means you have a good chance of finding deals if you monitor flight prices from SAT.
Next 4 weeks: deal forecast
San Antonio Flight Forecast (April 2026)
Based on current data, flights to San Antonio International (SAT) in April 2026 are expected to remain relatively stable with a slight chance of price increases closer to peak travel dates. Travelers should book in advance to secure the best possible fares.
Top 5 biggest price drops (last 3 months)
Found on March 25
Hilo - SAT
$935 → $234
75%
Found on March 25
Boise - SAT
$990 → $263
73%
Found on March 26
Ponce - SAT
$723 → $209
71%
Found on March 23
Savusavu - SAT
$2,900 → $1,021
65%
Found on March 20
Los Mochis - SAT
$1,060 → $437
59%
Check these nearby airports too
Looking for more options? These airports near SAT sometimes drop rare deals too:
Austin–Bergstrom International (AUS)
~12 rare deals/month
Corpus Christi International (CRP)
~7 rare deals/month
Laredo International (LRD)
~12 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially AUS and CRP for long-haul deal surprises.
When Is the Best Time to Fly from United States to San Antonio International
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to San Antonio International:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to San Antonio. The weather is mild, making it perfect for exploring the city's many outdoor attractions without the scorching heat. Plus, you'll find fewer tourists, meaning shorter lines and a more relaxed experience at popular spots like the River Walk and the Alamo.
Best day to book
Tuesday
Best day to book
Booking your flight on a Tuesday could save you some serious cash! Airlines often release deals early in the week, and by Tuesday, other airlines are trying to match those prices, resulting in lower fares. So, set a reminder and snag those Tuesday flight deals!
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying out on a Wednesday often means fewer crowds and lower prices. Mid-week flights tend to be less in demand than weekend departures. This means you can enjoy a more relaxed airport experience and save money for those delicious Tex-Mex meals.
Advance booking sweet spot
2 Months
Advance booking sweet spot
Booking about two months in advance seems to hit the sweet spot for San Antonio flights. This timeframe usually offers a balance between good availability and reasonable prices. Keep an eye on fares and be ready to book when you see a price you like!
San Antonio International Airports & Ground Transportation
One big question for travelers is which San Antonio International airport to fly into. Here’s a quick guide to San Antonio International’s airports and how to get to the city from each:
San Antonio International Airport (SAT)
Welcome to San Antonio International Airport, your gateway to the vibrant Alamo City! SAT is conveniently located just eight miles north of downtown, making it a breeze to get to the heart of San Antonio. Once inside, you'll find a variety of amenities including free Wi-Fi, shops, and restaurants serving up delicious Tex-Mex cuisine. Getting downtown is easy: taxis, ride-sharing services, and public transportation are readily available. The airport is known for its friendly atmosphere and commitment to customer service, ensuring a smooth start or end to your San Antonio adventure.
Tip: Arrive early to savor some delicious local breakfast tacos before your flight!
Other airports
While San Antonio boasts its own convenient airport, several other airports lurk within driving distance, offering potential flight deals. Austin-Bergstrom International Airport (AUS) is about an 80-mile drive and offers a wider range of flight options, but factor in toll roads and the drive time when making your decision. If you do decide to fly into Austin, car rentals, ride-sharing apps, and shuttle services are readily available to whisk you away to San Antonio.
What to Do in San Antonio
San Antonio isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in San Antonio, organized by interest:
Sightseeing & landmarks
San Antonio is bursting with historical landmarks and picture-perfect sightseeing spots! Explore the legendary Alamo, wander along the scenic River Walk, and soak in the vibrant atmosphere of Market Square. You'll feel like you've stepped back in time while making unforgettable memories.
Arts & culture
Get ready to immerse yourself in San Antonio's rich arts and culture scene! From the stunning San Antonio Museum of Art to the vibrant murals adorning the city streets, there's inspiration around every corner. Catch a show at the historic Majestic Theatre or explore the unique art galleries in the Southtown Arts District.
Food & nightlife
Prepare your taste buds for a wild ride through San Antonio's food and nightlife scene! Savor authentic Tex-Mex cuisine, sip on local craft beers, and dance the night away at lively bars and clubs. Whether you're a foodie or a night owl, San Antonio has something to satisfy every craving.
Shopping & fashion
Shopaholics, rejoice! San Antonio is a shopper's paradise, offering everything from trendy boutiques to unique artisan shops. Explore the upscale Shops at La Cantera, hunt for treasures at the Historic Market Square, or discover one-of-a-kind finds in the quirky neighborhoods.
Nearby getaways
Craving a change of scenery? San Antonio is the perfect base for exploring the beautiful Texas Hill Country! Take a scenic drive to charming towns like Fredericksburg and New Braunfels, where you can indulge in wine tasting, explore natural wonders, and experience true Texas hospitality.
Events in San Antonio This Month
a strings, soul and stand-up comedy show
Experience a unique show in San Antonio that blends the beautiful sounds of a live string ensemble with a captivating vocalist and hilarious stand-up comedy.
bus stop
The Bus Stop, directed by Dr. Chloë Edmonson and set in a city suburb, follows a group of people as they wait endlessly for a bus, exploring themes of hope and frustration through both humorous and poignant moments.
uscca certified instructor course
To become a USCCA certified instructor, you must complete the eLearning Modules 48 hours before the class start time; this is a mandatory first step in the certification process.
San Antonio Weather
Weather in San Antonio
Thu, Mar 26
20%
30° 17°
20%
Fri, Mar 27
Frequently Asked Questions About Flights to San Antonio International
Pro Tips for Finding Cheap Flights to San Antonio International
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on San Antonio International flights:
Be Flexible with Your Dates: Flying mid-week or during the off-season can seriously slash ticket prices. Think Tuesdays and Wednesdays, or consider a visit in the spring or fall for milder weather and fewer crowds!
Set Up Price Alerts: Don't just search, set alerts! Use RatePunk to track flight prices and pounce when fares drop. It's like having a personal price-sniper!
