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

Compare San Francisco International to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

Book the best San Antonio International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from San Francisco International to San Antonio International

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to San Antonio International Airport? If you want to travel next month, return fares start from $326. Find the lowest prices on one-way and return tickets right here.

San Antonio.$303 per passenger.Departing Tue, 3 Nov, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Tue, 3 Nov, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From $303, select.

San Antonio.$326 per passenger.Departing Mon, 26 Oct, returning Wed, 28 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 26 Oct, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 28 Oct, arriving in San Francisco International.Price includes taxes and charges.From $326, select.

San Antonio.$337 per passenger.Departing Mon, 7 Dec, returning Tue, 8 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 7 Dec, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Tue, 8 Dec, arriving in San Francisco International.Price includes taxes and charges.From $337, select.

San Antonio.$343 per passenger.Departing Wed, 30 Sep, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 30 Sep, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Fri, 2 Oct, arriving in San Francisco International.Price includes taxes and charges.From $343, select.

San Antonio.$344 per passenger.Departing Sat, 31 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Sat, 31 Oct, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From $344, select.

San Antonio.$417 per passenger.Departing Mon, 28 Sep, returning Wed, 30 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 28 Sep, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 30 Sep, arriving in San Francisco International.Price includes taxes and charges.From $417, select.

San Antonio.$470 per passenger.Departing Thu, 1 Oct, returning Mon, 5 Oct.Return flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 1 Oct, arriving in San Antonio International.Inbound direct flight with United departs from San Antonio International on Mon, 5 Oct, arriving in San Francisco International.Price includes taxes and charges.From $470, select.

San Antonio.$471 per passenger.Departing Wed, 6 Jan, returning Wed, 13 Jan.Return flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 6 Jan, arriving in San Antonio International.Inbound direct flight with United departs from San Antonio International on Wed, 13 Jan, arriving in San Francisco International.Price includes taxes and charges.From $471, select.

San Antonio.$471 per passenger.Departing Tue, 20 Oct, returning Wed, 4 Nov.Return flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 20 Oct, arriving in San Antonio International.Inbound direct flight with United departs from San Antonio International on Wed, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From $471, select.

San Antonio.$471 per passenger.Departing Sat, 14 Nov, returning Tue, 17 Nov.Return flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 14 Nov, arriving in San Antonio International.Inbound direct flight with United departs from San Antonio International on Tue, 17 Nov, arriving in San Francisco International.Price includes taxes and charges.From $471, select.

San Antonio.$484 per passenger.Departing Mon, 28 Dec, returning Mon, 4 Jan.Return flight with United.Outbound indirect flight with United, departs from San Francisco International on Mon, 28 Dec, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Mon, 4 Jan, arriving in San Francisco International.Price includes taxes and charges.From $484, select.

San Antonio.$484 per passenger.Departing Fri, 9 Apr, returning Fri, 23 Apr.Return flight with United.Outbound indirect flight with United, departs from San Francisco International on Fri, 9 Apr, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Fri, 23 Apr, arriving in San Francisco International.Price includes taxes and charges.From $484, select.

San Antonio.$493 per passenger.Departing Fri, 27 Nov, returning Tue, 1 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Fri, 27 Nov, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Tue, 1 Dec, arriving in San Francisco International.Price includes taxes and charges.From $493, select.

San Antonio.$494 per passenger.Departing Fri, 12 Feb, returning Fri, 26 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Fri, 12 Feb, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Fri, 26 Feb, arriving in San Francisco International.Price includes taxes and charges.From $494, select.

San Antonio.$498 per passenger.Departing Fri, 14 May, returning Fri, 28 May.Return flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Fri, 14 May, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Fri, 28 May, arriving in San Francisco International.Price includes taxes and charges.From $498, select.

San Antonio.$498 per passenger.Departing Fri, 29 Jan, returning Fri, 5 Feb.Return flight with United.Outbound indirect flight with United, departs from San Francisco International on Fri, 29 Jan, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Fri, 5 Feb, arriving in San Francisco International.Price includes taxes and charges.From $498, select.

Find the cheapest month to fly from San Francisco International to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to San Antonio International flights are currently cheapest in November.

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Direct flights from San Francisco International to San Antonio International

San Francisco International to San Antonio International: Alternative routes

Compare routes from San Francisco International to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

San Antonio International

13km from central San Antonio

ClosestCheapest

from $304

Search flights

San Francisco to San Antonio: Flight information

The things to know before you go.

Cheapest flight found	$304
Cheapest month to fly	November
Average flight time	3 hrs, 36 mins
Most popular airline	United
Average flights per week	37

Finding cheap flights from San Francisco International to San Antonio International: Frequently asked questions

How much are return flights from San Francisco International to San Antonio International?

The best price we found for a return flight from San Francisco International to San Antonio International is $303. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from San Francisco International to San Antonio International?

3 hours and 36 minutes is the average flight time from San Francisco International to San Antonio International.

Which airlines fly direct from San Francisco International to San Antonio International?

United, SkyWest Airlines and Air Canada fly direct from San Francisco International to San Antonio International.

How many flights are there a week from San Francisco International to San Antonio International?

As of September 2026, there are 37 flights per week flying from San Francisco International to San Antonio International.

When is the cheapest time to fly from San Francisco International to San Antonio International?

The cheapest month to fly from San Francisco International to San Antonio International is usually November.

Which upcoming date is cheapest to fly from San Francisco International Airport to San Antonio International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to San Antonio International Airport on Tuesday, 3 November 2026.

Can I get a direct flight from San Francisco International Airport to San Antonio International Airport?

Yes – the average flight time is 3 hours and 36 minutes.

How can I find the best flight deal to San Antonio International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Antonio?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from San Francisco International Airport to San Antonio International with?

Currently, Frontier Airlines and United offer the cheapest flight tickets to San Antonio International.

Flying from San Francisco International Airport (SFO) to San Antonio International Airport (SAT): what you need to know

The average length of a direct flight from San Francisco International Airport to San Antonio International Airport is 3 hours 45 minutes.
The timezone in San Antonio is UTC-6, which is two hours ahead of San Francisco.
Every week, there are 11 San Francisco International Airport to San Antonio International Airport flights. If you prefer to jet off early, take the 08:20 United Airlines flight. If you're eager to make the most of your day before you fly, the latest flight is at 18:26 with United Airlines.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to board your SFO to SAT flight.
You can expect longer lines during popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.
United offers direct flights from San Francisco International Airport to San Antonio International Airport. Book with this popular carrier, then get ready to tick off the sights in San Antonio — and maybe even more of the United States if you have time.
The airline most travellers fly with on this route is United.
United stands out as the most punctual carrier for SFO to SAT flights, with 81.52% of its services arriving as scheduled.
If you'd like to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from San Francisco International Airport to San Antonio International Airport. These are the most popular stopovers between SFO and SAT:
- Phoenix Sky Harbour Airport
- Harry Reid International Airport
- San Diego International Airport

Handy information about San Francisco International Airport (SFO)

Of all flights leaving San Francisco International Airport, 78% land on time at their destination.
Central San Francisco to San Francisco International Airport is around 21 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're driving, catching a taxi or ride-sharing.
The trip when using public transport will take about 35 minutes.
Looking for a convenient hotel close to SFO? If you're boarding an early flight from San Francisco International Airport to San Antonio International Airport, these accommodation options will have you moments from your departure gate:

Arriving at San Antonio International Airport (SAT)

If you're getting in on a late San Francisco International Airport to San Antonio International Airport flight, nothing tops the convenience of being near the terminal. Pick up your bags from the carousel and then be tucked up in bed soon after at one of these hotels near SAT:
Go wherever you want, whenever you want with a San Antonio International Airport rental car. Pick up a set of wheels from Fox - Rent A Car, Dollar or Thrifty and venture far and wide through San Antonio and beyond.
Booking your vehicle from San Antonio International Airport around one week ahead boosts your odds of scoring a great price.

Getting from San Antonio International Airport (SAT) to central San Antonio

SAT is located at 9800 Airport Boulevard.
San Antonio International Airport is roughly 14 kilometres from the centre of San Antonio. The drive time takes around 20 minutes.
It takes around 50 minutes to get there using public transport.

When to fly to San Antonio International Airport (SAT)

It's time to pick your dates for your flight from San Francisco International Airport to San Antonio International Airport. July is the most popular month to visit San Antonio. If you'd like a more relaxed vibe, go in March.
When reserving your flight from San Francisco International Airport to San Antonio International Airport, think about the type of weather you enjoy. August is the warmest month in San Antonio, with temperatures ranging from 24ºC (75ºF) to 40ºC (104ºF).
If you like cooler conditions, search for a cheap ticket from SFO to SAT in January. Temperatures average between 4ºC (39ºF) and 20ºC (68ºF) then.

Explore more of the United States

You've done San Antonio, now it's time to discover other corners of the United States. Travel about 306 kilometres east to Houston to check off its leading attractions. From The Museum of Fine Arts, Houston, Beck Building to Houston Museum of Natural Science and The Menil Collection, you've got a jam-packed schedule ahead.
Around 402 kilometres north-east of San Antonio, Dallas is another essential stop in the United States. Experience the best of this destination with a visit to Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.