Cheap flights from San Francisco to San Antonio from $100
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Antonio departing on 6/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from San Francisco to San Antonio
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Antonio?
If you aren’t able to travel during the month of September, then book flights to San Antonio from San Francisco during January instead. Flights to San Antonio in January, while not as cheap as those in September, still average around $336.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $399. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $499.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from San Francisco to San Antonio in the evening for as low as $358. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $477. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest San Francisco to San Antonio flight route?
Fly from San Francisco to San Antonio for the best San Francisco - San Antonio flight prices
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from San Francisco when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $388 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from San Francisco for as low as $324 on momondo.
What cabin class options are available on San Francisco to San Antonio flights?
There are 4 cabin classes available to choose from on San Francisco to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to San Antonio?
Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from San Francisco to San Antonio
What airlines fly to San Antonio?
United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to San Antonio from San Francisco according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 8 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to San Antonio on average per day?
The number of flights available between San Francisco and San Antonio is 4 per day as of June 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.
How many flights depart from San Francisco to San Antonio on average per week?
As of June 2025, there are 29 flights per week flying from San Francisco to San Antonio. The most common day of the week flights depart is Sun, with 17% of flights taking off on this day.
When to book flights from San Francisco to San Antonio
Cheap San Francisco to San Antonio (SFO to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Antonio
Best Price Found | $100 |
|---|---|
Fastest flight time | 3h 27m |
Direct flights | Every day |
Airports in San Antonio | 1 airport |
How far is San Francisco to San Antonio by plane?
San Francisco and San Antonio are 1486.3 mi apart from one another. Typically, this will take 3h 27m by plane in normal conditions.
When did momondo last update prices for flights from San Francisco Airport to San Antonio Airport?
Prices for flights from San Francisco Airport to San Antonio Airport were last updated today.
How many operators does momondo search for flights from San Francisco Airport to San Antonio Airport?
As of June 2025, there are 7 operators available to choose from for flights from San Francisco Airport to San Antonio Airport.
How old do you have to be to fly from San Francisco Airport to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to San Antonio?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to San Antonio is Embraer 175 (Enhanced Winglets) (30.16% of total bookings). The next most popular plane models are Airbus A320-100/200 (19.44%), Boeing 737-800 (15.87%), and Boeing 737-900 Passenger/BBJ3 (winglets) (11.90%).
What is the most popular airline from San Francisco to San Antonio?
momondo data reveals that the most frequently booked airline on the route from San Francisco to San Antonio is United Airlines, representing 54% of all bookings. The subsequent popular airlines are American Airlines at 20%, Delta at 11%, and Frontier at 7%.
Best airlines flying from San Francisco to San Antonio
Compare and see reviews for airlines that fly from San Francisco to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $112 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 6.3 8,060 reviews | |||
| PriceFrom $211 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 8.0 4,278 reviews |
Southwest Flights From San Francisco to San Antonio
Southwest is one of the most popular airlines flying from San Francisco to San Antonio, operating 1 flight/week on average for this route. A good Southwest flight deal for San Francisco to San Antonio starts from $268 round-trip, up to an average price of $440. Our users have rated Southwest at 8.0/10.
United Airlines Flights From San Francisco to San Antonio
$263 is the best United Airlines flight deal from San Francisco to San Antonio found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $442, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,801 user reviews) flies into San Antonio from San Francisco 7 times in an average week so prices can vary.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to San Antonio?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to San Antonio. momondo saves you time and could save you money on your trip.
Can I find flights from San Francisco to San Antonio with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Antonio from San Francisco with this policy.
How can momondo help me find flights from San Francisco to San Antonio?
momondo helps you find the best flight between San Francisco and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to San Antonio right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.