cached prices · United States fares · USD
The cheapest one-way fare from San Antonio to Las Vegas we have seen is $115 USD, departing Oct 7 (found Sep 22): Frontier F9 2355, 1 stop, 5h23m.
Cheapest seen · One wayfound Sep 22
$115 USD
Frontier F9 2355 · Oct 7 · 1 stop · 5h23m
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about this route
By month, Oct 2026 is the cheapest we hold at $115 USD and Apr 2027 the most expensive at $286 USD — a spread of 149%.
Nonstop fares are held for 2 of the 2 departure dates seen; carriers seen: American Airlines, Frontier, Southwest Airlines.
SAT serves San Antonio, United States; LAS serves Las Vegas, United States.
Las Vegas runs 2 hours behind San Antonio.
by month
Oct 2026
$115 USD
checked Sep 25
Nov 2026
$121 USD
checked Sep 25
Apr 2027
$286 USD
checked Sep 25
by date
3 rows held, cheapest first — the cheapest nonstop and the cheapest with stops seen for each departure date.
Oct 7 · 20:20 SAT
F923551 stop · 5h23m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
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Nov 5 · 22:29 SAT
F93417Nonstop · 2h54m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
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Oct 7 · 18:05 SAT
WN3721Nonstop · 2h50m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
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round trips
The cheapest out-and-back pairs the cache holds, any dates.
Sep 30 → Oct 31 · 20:20 SAT
F923552 stops · 11h11m in all, both ways
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
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Sep 30 → Oct 31 · 15:19 SAT
F93419Nonstop · 5h48m in all, both ways
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
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Oct 31 → Nov 1 · 20:20 SAT
F923552 stops · 16h03m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
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Oct 31 → Nov 1 · 14:44 SAT
F93419Nonstop · 5h50m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
carriers
Marketing carriers; the operating airline is shown by the seller.
questions
more routes
Every route from San Antonio →Every route to Las Vegas →
Other destinations with a cached fare from this origin, cheapest first.
Other origins with a cached fare to this destination, cheapest first.