Allegiant AirDepart22:31
Fri, Nov 13FSD → SAT
7h 22m · 2 stops
$259one way, per person
View deal
- Cheapest fare
- $259
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 7h 05m
Allegiant Air · Fri, Nov 13
from $259
Usually 1+ stop
1,580 km
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Cheapest month to fly from Sioux Falls to San Antonio
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Allegiant AirAllegiant AirDepart12:00
Sat, Nov 14FSD → SAT
7h 05m · 2 stops
$350one way, per person
View deal
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About flights from Sioux Falls to San Antonio
Sioux Falls (FSD) and San Antonio (SAT) are about 1,580 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 7h 05m. Over the next few months, one-way fares start from $259, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sioux Falls to San Antonio?
The cheapest one-way fare we've seen recently is $259 with Allegiant Air, departing Friday, November 13, 2026.
What is the cheapest month to fly from Sioux Falls to San Antonio?
November 2026 currently has the lowest fares, from $259 one way.
Are there direct flights from Sioux Falls to San Antonio?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sioux Falls to San Antonio?
The quickest journey we've seen takes about 7h 05m. Sioux Falls and San Antonio are around 1,580 km apart.
Which airlines fly from Sioux Falls to San Antonio?
Recent fares on this route were with Allegiant Air.
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