Cheap Flights from San Antonio International to San Francisco International

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Flight deals from San Antonio International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from San Antonio International to San Francisco International? Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from San Antonio International to San Francisco International

San Antonio International to San Francisco International: Alternative routes

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

San Antonio to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundRs12,797
Cheapest month to flyOctober
Average flight time4 hrs, 4 mins
Most popular airlineUnited
Average flights per week38

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

The best price we found for a return flight from San Antonio International to San Francisco International is Rs49,556. 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.
4 hours and 4 minutes is the average flight time from San Antonio International to San Francisco International.
United, SkyWest Airlines and Air Canada fly direct from San Antonio International to San Francisco International.
As of August 2025, there are 38 flights per week flying from San Antonio International to San Francisco International.
The cheapest month to fly from San Antonio International to San Francisco International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to San Francisco International Airport on Saturday, 6 September 2025.
Yes – the average flight time is 4 hours and 4 minutes.
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 Francisco 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to San Francisco International.

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

  • Take a direct flight from San Antonio International Airport to San Francisco International Airport and you'll be in the air for an average of 3 hours 50 minutes.

  • San Francisco is two hours behind San Antonio and observes the UTC-7 timezone.

  • You can choose from 11 weekly San Antonio International Airport to San Francisco International Airport flights. The 06:00 departure with United Airlines is the earliest you can take. United Airlines operates the latest service of the day at 17:35.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your SAT to SFO flight.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.

  • Flying into San Francisco (and then discovering more of United States!) is easy with United Airlines. This popular carrier has direct flights from San Antonio International Airport to San Francisco International Airport.

  • United Airlines is the top choice for travellers on this route.

  • United Airlines is the most punctual carrier that offers SAT to SFO flights. A reliable 83.53% of its services on this route arrive as planned.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from San Antonio International Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Top stopovers between SAT and SFO include:

    • Harry Reid Airport (formerly McCarran Airport)

    • Los Angeles International Airport

    • Phoenix Sky Harbour International Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to San Francisco International Airport (SFO)

  • Rs12,797 is the best price for a one-way San Antonio International Airport to San Francisco International Airport flight. A return flight starts from Rs49,556. These fares may change based on availability and demand.

  • Get cheap tickets from SAT to SFO by booking six months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Organise your trip for May. That's the cheapest month for flights from San Antonio International Airport to San Francisco International Airport. If your travel dates are flexible, try out the 'Whole month' tool to see the lowest price across each month.

  • Cut down on the time spent looking for cheap flights from SAT to SFO by setting up a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from San Antonio International Airport to San Francisco International Airport.

Handy information about San Antonio International Airport (SAT)

  • You'll find SAT at 9800 Airport Boulevard.

  • 83.17% of flights leaving San Antonio International Airport reach their destination according to schedule. Given its reliable on-time performance, disruptions are unlikely when setting off from SAT.

  • San Antonio International Airport is around 19 kilometres from central San Antonio. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • The journey on public transport will take about 1 hour 30 minutes.

  • Searching for a convenient hotel close to SAT? If you're catching an early flight from San Antonio International Airport to San Francisco International Airport, these stays will have you moments from your check-in counter:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to drive to the centre.

  • Getting there by public transport takes roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the most popular month for flights from San Antonio International Airport to San Francisco International Airport. To avoid the crowds, head to San Francisco in February.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC and 22ºC. Book your flights from San Antonio International Airport to San Francisco International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 6ºC and 16ºC. Search for cheap tickets from SAT to SFO around that time if you want to travel when it's cooler.

Explore more of United States

  • San Jose is just one of the many cities in United States waiting to be explored after you've seen San Francisco. Around 64 kilometres away to the south-east, well-known attractions include Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.

  • Fresno is another essential stop in United States and is around 257 kilometres south-east of San Francisco. No trip is complete without visiting Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.