Cheap flights from Ontario to San Antonio (ONT - SAT) from $94

Thursday flights are found to be more expensive to fly from Ontario to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

Users have found that booking a flight from Ontario to San Antonio at least 47 days early can save you up to 56% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Ontario to San Antonio for as little as $400 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $555 for flights departing within the next 3 days.

Flights from Ontario to San Antonio lean towards being more expensive in June. Prices are generally better when you fly from Ontario to San Antonio in January, with the cheapest ticket starting at $177.

It’s typically best to fly out from Ontario to San Antonio at noon. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Frontier, and Delta flying from Ontario to San Antonio have implemented new flexible cancellation policies.

Yes, there are multiple flights from Ontario to San Antonio for under $200. The cheapest flight booked recently is on Multiple Airlines for just $129, but on average you can expect to pay $193.

There are currently 20+ open flights from Ontario to San Antonio within the next 7 days for less than $300.

Within the past month, 12 users have taken a look at flights from Ontario to San Antonio.

According to our current data, Frontier ($166), offers the cheapest pricing from Ontario to San Antonio. Frontier is 53% cheaper than the average price of flights available within the next 90 days to this destination.

The cheapest airlines for a one-way flight from Ontario to San Antonio are Frontier ($94), United Airlines ($194), and Delta ($200).

When booking a flight from Ontario to San Antonio, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

This is defined as Ontario Airport (ONT) and San Antonio Airport (SAT). Codes like San Antonio Airport are often used to just call airports uniquely.