Price observed over the last 3 months for a round trip.

Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Ontario to San Antonio takes on average 9h7.
Best time
According to user searches, the ideal month to go to San Antonio is July.
Check out our tips for booking your flight to San Antonio (USA) from Ontario (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $182 (calculation over the last two years). The most touristic season corresponds to the months of November, May and August.
For the cheapest flights, it is advisable to buy your ticket at least 83 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to San Antonio costs on average $182.
The airlines that offer the most flights are .
Here is some information and tips to know before booking your flight:
Ontario is a city in the country USA, the time zone is [[timezone]]. In Ontario, it is currently {fromLocalTime}, the temperature is on average 26°C, with a minimum of 21°C and a maximum of 31°C.
The city of Ontario has 4 airport(s): Ontario, Cable, Chino and Brackett Field
San Antonio is in the country USA, the time zone is [[timezone]]. In San Antonio, it is currently {toLocalTime}, the temperature is on average 27°C, with a minimum of 22°C and a maximum of 33°C.
The city of San Antonio has 3 airport(s): San Antonio, Stinson and Martindale Air Field
If you want to visit San Antonio during the least touristic period, choose the month of July.
In San Antonio, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 83 days before your departure. If you book your flight ticket 12 weeks before your departure, you may find a price below average. You can also choose morning flights that are 1% cheaper than afternoon and evening flights. The cheapest day to book a flight from Ontario to San Antonio is Sunday.
When you leave, you can leave from Ontario, and you will arrive at San Antonio.
The airport Ontario is located 5 km, Cable is located 6 km, Chino is located 9 km or Brackett Field is located 14 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 29°C in San Antonio and 25°C in Ontario. The average rainfall in summer is 57 mm in San Antonio and 4 mm in Ontario. In summer, it is warmer in San Antonio and it rains less in Ontario. In winter, it is colder in San Antonio and it rains more in Ontario.