Cheap Flights from San Antonio to Ontario
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No deal from San Antonio to Ontario has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from San Antonio to Ontario, the lowest round-trip fare we recorded was $212, in August. The typical fare was $239. August was the cheapest month we saw and September the dearest.
See every deal from San Antonio, to Ontario, or the return direction Ontario to San Antonio.
Price history: San Antonio to Ontario
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $226 | $267 | 70 |
| Sep 2026 | $239 | $239 | 3 |
| Aug 2026 | $212 | $212 | 23 |
Frequently asked questions
How many flight deals from San Antonio to Ontario are on Sparkflights right now?
There are 0 verified deals from San Antonio to Ontario on the board right now. The list refreshes hourly.
What is the lowest price ever seen from San Antonio to Ontario?
The lowest fare we've recorded from San Antonio to Ontario is $212, based on 96 price observations over 3 months.
How much does a flight from San Antonio to Ontario cost?
The typical round-trip fare we observed from San Antonio to Ontario is $239, against a recorded low of $212. These are observations, not quotes.
When is the cheapest month to fly San Antonio to Ontario?
August was the cheapest month we observed from San Antonio to Ontario and September the dearest, over 3 months of data.