Route Price Intelligence
Cheap Flights From San Antonio to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$420
Deals From
$250
Usually Costs
$250 – $447
Lowest We've Seen
$136
Based on 260 price pointshigh confidence
Monthly Price Guide
Jan
$447
Feb
—
Mar
—
Apr
$276
May
$200
Jun
$230
Jul
$270
Aug
$355
Sep
$447
Oct
$447
Nov
$447
Dec
$447
Cheapest Average Expensive
Best Time to Fly from San Antonio to Ontario
The cheapest time to fly from San Antonio to Ontario is typically May, when fares average around $200. The most expensive month tends to be September at around $447. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16062 price checksWorst: $200