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Cheap flights San Francisco — San Antonio

San Francisco (SFO, US) San Antonio (SAT, US)
from $103 2 394 km ~3h 19m 5 flights found 2 airlines cheapest on Sunday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $103 on 13.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
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Fr
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Su
Prices found for 4 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
13 Dec 2026, Sun
Frontier Airlines F9 2486
01:22
SFO San Francisco International Airport
05:52
SAT San Antonio International Airport
4h 30m 1 stop
Farera
$103
View this ticket
26 Nov 2026, Thu
Frontier Airlines F9 2678
09:59
SFO San Francisco International Airport
15:20
SAT San Antonio International Airport
5h 21m 2 stops
Kiwi.com
$141
View this ticket
26 Nov 2026, Thu
United Airlines UA 1554
05:25
SFO San Francisco International Airport
08:52
SAT San Antonio International Airport
3h 27m Direct
Clickavia
$323
View this ticket
12 Dec 2026, Sat
United Airlines UA 5277
20:00
SFO San Francisco International Airport
23:43
SAT San Antonio International Airport
3h 43m Direct
Tickets
$332
View this ticket
Route characteristics
Distance
2 394 km
Flight time
3h 19m
Time difference
+2h
Minimum price
from $103 (13.12.2026)
Average price
$179
Maximum price
$332
Cheapest day
Sunday
Departure airports (1)
SFO San Francisco International Airport
Arrival airports (1)
SAT San Antonio International Airport
Airlines (2)
F9 Frontier Airlines UA United Airlines
Agencies (5)
Farera Kiwi.com Kupi.com Clickavia Tickets
Prices by day of week
Thursday
$141
avg $232
Saturday
$332
avg $332
Sunday
$103
avg $103
Cheapest
Price trend by month
November 2026
from $141
avg $232
2 flights
December 2026
from $103
avg $218
2 flights
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 3 flights · 3 days
$103
United Airlines
United Airlines
2 flights · 2 days
$323
Where to buy tickets 5
Farera
1 tickets · 1 days
from $103
Kiwi.com
1 tickets · 1 days
from $141
Kupi.com
1 tickets · 1 days
from $198
Clickavia
1 tickets · 1 days
from $323
Tickets
1 tickets · 1 days
from $332
Airports

From — San Francisco (1)

  • SFO San Francisco International Airport

To — San Antonio (1)

  • SAT San Antonio International Airport
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Frequently asked questions about the route San Francisco — San Antonio
How long is the flight from San Francisco to San Antonio?
Approximate flight time — 3h 19m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from San Francisco to San Antonio?
The straight-line distance — 2 394 km.
How much do flights from San Francisco to San Antonio cost?
The minimum price over 3 months — from $103 on 13.12.2026.
What is the average ticket price?
The average price — $179. Range: $103 — $332.
What is the time difference between San Francisco and San Antonio?
The difference — +2h.
From which airports does San Francisco operate flights?
From San Francisco: SFO (San Francisco International Airport).
To which airports in San Antonio do flights arrive?
To San Antonio: SAT (San Antonio International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $323. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Sunday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route San Francisco — San Antonio

Flights San Francisco — San Antonio is a popular route. The straight-line distance is 2 394 km. Flight time 3h 19m. Time difference +2h.

From San Francisco (SFO) flights depart from 1 airport: SFO. To San Antonio (SAT) — 1 arrival airport: SAT.

2 airlines operate on this route: Frontier Airlines, United Airlines.

The minimum price for the next 3 months — from $103 (13.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $179, ranging from $103 to $332. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Sunday.

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