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$78+ Cheap flights from San Francisco to San Antonio (SFO - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to San Antonio are usually found in September or January, booked 50 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from San Francisco to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 3, 2025.

Round-trip from

$252
(Cheapflightsfares)

One-way from

$78
(Priceline)

Popular in

March

Cheapest in

September

Average price

$367

Good round-trip deal

$329 or less

Good one-way deal

$293 or less
From San Francisco to San Antonio
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One-way flight from San Francisco to San Antonio
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Highest demand for flights based on searches. 12% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Francisco to San Antonio.
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Price to beat on a one-way flight from San Francisco to San Antonio.
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Find flight deals from San Francisco to San Antonio

Cheapest flights from San Francisco to San Antonio
Explore the most affordable flight options available from San Francisco to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/410:45 amSFO - SAT
1 stop6h 30mFrontier
dom. 9/78:20 pmSAT - SFO
1 stop5h 56mFrontier
Deal found 7/1$252
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2311:59 pmSFO - SAT
1 stop6h 58mUnited Airlines
mar. 9/307:45 amSAT - SFO
Nonstop3h 49mUnited Airlines
Deal found 7/2$259
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1412:45 amSFO - SAT
1 stop5h 38mAmerican Airlines
vie. 8/229:15 amSAT - SFO
1 stop7h 12mAmerican Airlines
Deal found 7/1$270
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/248:25 amSFO - SAT
2 stops9h 20mSouthwest
lun. 7/287:45 pmSAT - SFO
1 stop6h 25mSouthwest
Deal found 7/2$274
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1512:50 amSFO - SAT
1 stop8h 56mDelta
vie. 7/256:03 pmSAT - SFO
1 stop8h 00mDelta
Deal found 7/3$289
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/911:22 amSFO - SAT
1 stop10h 42mAlaska Airlines
mar. 10/146:40 amSAT - SFO
2 stops11h 47mAlaska Airlines
Deal found 7/2$335

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
Use the filters below to find and compare flights from San Francisco to San Antonio that are best for you.

Fly from

San Francisco

Fly to

San Antonio

Route

Depart

Return

Price

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 9/4

10:45 am-7:15 pm

1 stop6h 30m

San Antonio

dom. 9/7

8:20 pm-12:16 am

1 stop5h 56m

$252

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 9/23

11:59 pm-8:57 am

1 stop6h 58m

San Antonio

mar. 9/30

7:45 am-9:34 am

Nonstop3h 49m

$259

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 8/14

12:45 am-8:23 am

1 stop5h 38m

San Antonio

vie. 8/22

9:15 am-2:27 pm

1 stop7h 12m

$270

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 7/24

11:50 am-9:20 pm

1 stop7h 30m

San Antonio

mié. 7/30

1:20 pm-10:05 pm

2 stops10h 45m

$274

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 7/15

12:50 am-11:46 am

1 stop8h 56m

San Antonio

vie. 7/25

6:03 pm-12:03 am

1 stop8h 00m

$289

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

lun. 9/8

2:42 pm-12:03 am

1 stop7h 21m

San Antonio

sáb. 9/20

6:27 am-4:57 pm

2 stops12h 30m

$348

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 7/31

5:45 am-1:06 pm

1 stop5h 21m

$78

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 7/29

12:50 am-11:46 am

1 stop8h 56m

$135

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 9/12

5:00 am-2:15 pm

2 stops7h 15m

$140

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 7/9

7:55 pm-5:40 am

1 stop7h 45m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
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Best time to book a flight from San Francisco to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to San Antonio

How far ahead should I book a flight from San Francisco to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to San Antonio. Price data was last updated on June 27, 2025.

The best time to book flights from San Francisco to San Antonio is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to San Antonio?

Currently, August is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $295). Flying from San Francisco to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SAT?

Find hourly flight availability from San Francisco to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

One of the essential ways to save on airfare from San Francisco to San Antonio is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

What is the cheapest day to fly from San Francisco to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Antonio. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their San Francisco to San Antonio flight should consider departing on Monday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated julio 3, 2025.
Read through reviews of airlines operating flights from San Francisco to San Antonio, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from San Francisco to San Antonio?

    If you wish to fly to San Antonio from San Francisco, then you need to book flights from San Francisco to San Antonio. There are 3 flights from San Francisco (SFO) to San Antonio (SAT) per day to choose from. Flights to San Antonio from San Francisco are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 3h 27m is how long a nonstop flight from San Francisco to San Antonio typically takes.

  • How popular is this San Francisco to San Antonio flight route?

    Flights from San Francisco to San Antonio have been viewed 5 times in the past calendar month.

  • What are the cheapest airlines flying from San Francisco to San Antonio round-trip?

    Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $252. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $259 and $269, respectively. Users have found that Frontier is 34% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to San Antonio one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $78. Delta flights start at $135 while deals on Alaska Airlines start at $204 one-way.

  • What are the most reliable airlines from San Francisco to San Antonio?

    No one likes to see their flight delayed. When booking a flight from San Francisco to San Antonio consider choosing SkyWest Airlines (86%), Air Canada (85%) or United Airlines (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco to San Antonio?

    Looking for the cheapest flight from San Francisco to San Antonio? While on average our users pay $341, our data indicates the cheapest price to be $206. The most popular route (San Francisco - San Antonio), is priced around $237.

  • Where are the most common layover locations when flying from San Francisco to San Antonio?

    Most of the time, San Francisco to San Antonio flights that have layovers will stop in Phoenix.

  • What are some popular things to do or see while on a layover in Phoenix?

    Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are the most popular attractions in Phoenix if you're in need of something to do during your layover. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall can be accessed by traveling approximately 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers in need of a car in Phoenix can rent one for about $49 per day.

  • Where are the least popular layover locations for San Francisco to San Antonio flights?

    The least popular layover on flights from San Francisco to San Antonio is Dallas.

  • Can I find deals for flights from San Francisco to San Antonio that include hotel bookings?

    Yes. In addition to deals on San Francisco to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to San Antonio.

  • Can I find deals for business class flights from San Francisco to San Antonio?

    Yes. Cheapflights offers flight deals from San Francisco to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $295). Flying from San Francisco to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Book flights to San Francisco if you plan to visit one of these locations
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Alternative routes for San Francisco to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Francisco to San Antonio

Discover the top 7 airlines that operate flights from San Francisco to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$224FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$155Average$230FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$211Average$412FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$223Average$341FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$438FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$268Average$433FlexibilityNo cancel feeOn-time63%

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