Route Price Intelligence
Cheap Flights From San Antonio to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$447
Deals From
$270
Usually Costs
$270 – $447
Lowest We've Seen
$136
Based on 6,976 price pointshigh confidence
Monthly Price Guide
Jan
$447
Feb
$447
Mar
$295
Apr
$221
May
$201
Jun
$270
Jul
$420
Aug
$420
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 $201. The most expensive month tends to be September at around $447. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13881 price checksWorst: $201