$122 Cheap Flights from San Francisco (SFO) to San Antonio (SAT)

View $122 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to San Antonio International Airport (SAT)

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Cheap Flights from San Francisco to San Antonio (SFO-SAT)

Prices were available within the past 7 days and start at $122 for one-way flights and $180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Aug 16 - Tue, Aug 19
SFO
San Francisco
SAT
San Antonio
$180 Roundtrip, found 4 days ago
$180
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Aug 16 from San Francisco to San Antonio, returning Tue, Aug 19, priced at $180 found 4 days ago
American Airlines
Fri, Dec 12 - Mon, Dec 15
SFO
San Francisco
SAT
San Antonio
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 12 from San Francisco to San Antonio, returning Mon, Dec 15, priced at $202 found 4 days ago
Alaska Airlines
Wed, Aug 6 - Wed, Aug 20
SFO
San Francisco
SAT
San Antonio
$203 Roundtrip, found 4 days ago
$203
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Aug 6 from San Francisco to San Antonio, returning Wed, Aug 20, priced at $203 found 4 days ago
Delta
Sat, Sep 13 - Tue, Sep 16
SFO
San Francisco
SAT
San Antonio
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Sep 13 from San Francisco to San Antonio, returning Tue, Sep 16, priced at $205 found 4 days ago
American Airlines
Sun, Aug 24 - Tue, Aug 26
SFO
San Francisco
SAT
San Antonio
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Aug 24 from San Francisco to San Antonio, returning Tue, Aug 26, priced at $207 found 4 days ago
Southwest Airlines
Sun, Oct 26 - Wed, Nov 5
SFO
San Francisco
SAT
San Antonio
$211 Roundtrip, found 4 days ago
$211
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sun, Oct 26 from San Francisco to San Antonio, returning Wed, Nov 5, priced at $211 found 4 days ago
Southwest Airlines
Fri, Dec 12 - Mon, Dec 15
SFO
San Francisco
SAT
San Antonio
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Dec 12 from San Francisco to San Antonio, returning Mon, Dec 15, priced at $213 found 4 days ago
Southwest Airlines
Fri, Dec 12 - Mon, Dec 15
SFO
San Francisco
SAT
San Antonio
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Dec 12 from San Francisco to San Antonio, returning Mon, Dec 15, priced at $213 found 4 days ago
Frontier Airlines
Thu, Sep 25 - Sun, Sep 28
SFO
San Francisco
SAT
San Antonio
$231 Roundtrip, found 3 days ago
$231
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 25 from San Francisco to San Antonio, returning Sun, Sep 28, priced at $231 found 3 days ago
Frontier Airlines
Tue, Aug 12 - Thu, Sep 11
SFO
San Francisco
SAT
San Antonio
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Aug 12 from San Francisco to San Antonio, returning Thu, Sep 11, priced at $235 found 3 days ago

Find the cheapest month to fly from San Francisco (SFO) to San Antonio (SAT)

October is typically the cheapest month to fly

From $134 - $338 per traveler.

Graph displaying average flight prices per month

Flights from San Francisco (SFO) to San Antonio (SAT)
Origin airport
San Francisco Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$180
Distance
1480 mi
Average flight time
3 hours 27 mins

San Francisco to San Antonio Flights

The cheapest times to fly from San Francisco to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to San Antonio are during the month of August. You can find some of the cheapest flights from San Francisco to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to San Antonio

Sunday is one of the best days to book for cheap flights from San Francisco to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $122 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT) cost?
You can book cheap return flights starting at $249 from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SFO on August 6 2025 and touching down at SAT. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from SFO to SAT?
The cheapest flights from SFO to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
When heading out of San Francisco Intl. Airport (SFO), you can take a direct flight to San Antonio Intl. Airport (SAT) with United Airlines.
What is the cheapest airline that flies from SFO to SAT?
Jet off from SFO to SAT with United. This airline currently offers the lowest one-way fare on this route, starting at $254. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on October 6 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
On average, there's only 1 direct flight operating from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT) per day. If this doesn't fit your travel plans, consider flights with a layover. Just customize your search on Expedia to include one or two stops to find the next best option.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
The 1 PM departures from SFO to SAT are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from SFO to SAT?
If you jet off on a Saturday, you'll get the greatest range of choices for flights from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT).
What is the earliest flight from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
The earliest flight leaving from San Francisco Intl. Airport (SFO) is at around 1:17PM UTC-8. Board this plane and you'll reach San Antonio Intl. Airport (SAT) at approximately 6:49PM UTC-6. The total time in the air is 3h 32m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
Flights from SFO to SAT have an average travel time of 3 hours and 32 minutes. The distance between the two is 1,500 mi.
What airline has the least delays from SFO to SAT?
With 91% of flights usually arriving on time, United Airlines has the best on-time performance for nonstop flights from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT). To monitor your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
To avoid potential delays on the San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Antonio from San Francisco Intl. Airport (SFO)?
If you've booked a direct flight from San Francisco Intl. Airport (SFO) to San Antonio, San Antonio Intl. Airport (SAT) is the only airport you can land at.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT) last-minute?
Waiting until just before your trip to book your flight from SFO to SAT generally means paying more. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a SFO to SAT flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to SAT flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to San Antonio Intl. Airport (SAT)?
In most cases, you're able to reschedule or cancel your SFO to SAT flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

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