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Cheap flights from San Francisco to San Antonio

San Francisco
SFO
San Antonio
SAT

Flight deals from San Francisco to San Antonio

Below you can see the best deals on flights San Francisco — San Antonio for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 September, from $104.

Top 10 cheap flights from San Francisco to San Antonio

F9
F9
$ 196

San Francisco — San Antonio

21:3918:44
1 Aug 2026
19 h 5 m
1 stop
DL
DL
DL
$ 210

Oakland — San Antonio

12:3023:54
30 Jul 2026
9 h 24 m
2 stops
DL
DL
$ 212

Oakland — San Antonio

17:0500:26
29 Jul 2026
5 h 21 m
1 stop
DL
DL
$ 212

Oakland — San Antonio

17:0500:26
27 Jul 2026
5 h 21 m
1 stop
DL
DL
$ 212

Oakland — San Antonio

17:0500:26
28 Jul 2026
5 h 21 m
1 stop
DL
DL
$ 212

Oakland — San Antonio

06:0013:36
29 Jul 2026
5 h 36 m
1 stop
DL
DL
$ 212

Oakland — San Antonio

06:0013:36
28 Jul 2026
5 h 36 m
1 stop
F9
F9
$ 219

San Francisco — San Antonio

21:3918:44
30 Jul 2026
19 h 5 m
1 stop
F9
F9
$ 235

San Francisco — San Antonio

06:0018:44
26 Jul 2026
10 h 44 m
1 stop
F9
F9
$ 235

San Francisco — San Antonio

21:3918:44
26 Jul 2026
19 h 5 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Francisco — San Antonio flight

On this page, you can find and buy flight tickets for the San FranciscoSan Antonio route. The distance between the cities is 2397 km, and direct flights are available about 5 times a week.

The main carrier on this route is United Airlines. Since flight costs depend on the season and demand, we recommend using the price trend chart and checking how to get to the departure airport in advance.

Flight ticket prices by day: San Francisco — San Antonio

Below is a calendar of the lowest flight ticket prices for San Francisco — San Antonio by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $104 in F, and the most expensive are around $268 in b. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

San Francisco → San Antonio, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$159lowMay$194mediumSep$184medium
Feb$164lowJun$179lowOct$189medium
Mar$219highJul$169lowNov$209high
Apr$189mediumAug$174mediumDec$229high

Some values are estimated based on seasonality.

When to fly

The hottest month in San Antonio is August, with temperatures reaching 36.2°C, while the coolest weather is typically recorded in January. Rainfall peaks in May, which sees an average of 14 wet days and a precipitation norm of 108.78 mm.

The most budget-friendly flight offers are found in September, with ticket prices starting $104. The highest prices are seen in November, reaching $268.

September is considered the optimal time for a trip, offering a balance between moderate costs and comfortable warmth. It is best to avoid traveling in November if saving on airfare is your main priority.

Temperature · San Antonio

Dry and wet days · San Antonio

Wind speed and direction · San Antonio

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How to get the best deal on a San Francisco — San Antonio ticket

  • Book your tickets 4–6 weeks before departure, as the limited flight frequency (~5 per week) leads to cheap seats selling out quickly.
  • Use the low price calendar on this page to compare flight costs on different days of the week — the price difference can be significant.
  • Pay attention to United Airlines' baggage allowance to avoid extra fees during check-in.
  • Keep an eye on the price trend chart: sometimes flying mid-week is considerably cheaper than taking weekend flights.

Airlines

On the route from San Francisco to San Antonio, the primary carrier is United Airlines, operating approximately 5 flights per week. Passengers can take advantage of direct flights, ensuring minimal travel time between the cities. You can view the detailed schedule for specific dates and choose a suitable fare in the interactive list below.

  • United AirlinesUA
    5x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SFO → SAT5x/week
      Duration
      3h 51m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the San Francisco — San Antonio route

Flights San Francisco — San Antonio depart from San Francisco International Airport and arrive at San Antonio International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure airports
Arrival airports

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Frequently asked questions about the San Francisco — San Antonio flight

How long is the flight from San Francisco to San Antonio?

A direct flight on this route takes approximately 3 hours and 15 minutes, covering a distance of 2397 km.

Which airlines fly this route?

Regular flights between these cities are operated by United Airlines (UA).

How much is the cheapest ticket?

Airfare prices change constantly depending on demand; you can find the current minimum for the coming months in the low price calendar on this page.

Which airport does the flight arrive at?

All flights from San Francisco (SFO) arrive at San Antonio International Airport (SAT).

When is the best time to buy tickets?

The most favorable fares are usually available when searching well in advance. We also recommend checking the transportation options in the how to get from the airport to the city center section.

Where else you can fly from San Francisco

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Where else you can fly from San Antonio

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