Cheap flights from Ontario to San Antonio from C$ 242
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Antonio departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Air Canada flights from Region of Ontario to San Antonio
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Alaska Airlines flights from Region of Ontario to San Antonio
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How to get the cheapest flight ticket from Region of Ontario to San Antonio
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Antonio?
The cheapest month to fly to San Antonio from Region of Ontario is in September. Flight prices, which tend to average around C$ 379, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in September, then February is your next best option. Flight prices from Region of Ontario to San Antonio during February average around C$ 460.
What is the cheapest day to depart on your flight to San Antonio?
Our data shows that Tuesday is the least expensive day to fly to San Antonio. Tickets to fly out on this day can be as low as C$ 451. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is C$ 592.
What is the cheapest time of day to depart on your flight to San Antonio?
In the evening is the cheapest time of day to fly from Region of Ontario to San Antonio when you can find flight prices for as low as C$ 432. Flying to San Antonio in the evening is an ideal time because this is during off-peak travel hours. Flights to San Antonio are more costly in the morning, with an average ticket price of C$ 529. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Region of Ontario when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around C$ 524 when searching 23 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Region of Ontario for as low as C$ 323 on momondo.
What is the cheapest airline that flies from Ontario to San Antonio?
United Airlines, Delta, and Air Canada are the most popular carriers operating from Ontario to San Antonio
Which airlines fly to San Antonio?
Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to San Antonio from Region of Ontario according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to San Antonio on average per week?
The number of flights available between Region of Ontario and San Antonio is 7 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
How long does it take to fly to San Antonio?
On average, it takes 3h 29m to fly from Region of Ontario to San Antonio if you fly out of Toronto (the most popular airport in Region of Ontario) and into Austin (the most popular airport in San Antonio). If you’re flying out of Ottawa and into Austin, then the flight time is around 6h 33m.
Cheap Region of Ontario to San Antonio flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Antonio
When did momondo last update prices for flights from Ontario to San Antonio Airport?
Prices for flights from Ontario to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Ontario to San Antonio Airport?
The number of operators available for flights from Ontario to San Antonio Airport is 5 as of June 2025.
How old do you have to be to fly from Ontario to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Region of Ontario to San Antonio
Compare and see reviews for airlines that fly from Region of Ontario to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 324 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom C$ 350 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom C$ 353 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom C$ 370 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 428 | Free Cancellation | Rating 7.2 2,873 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to San Antonio?
It is quick and easy to find Ontario to San Antonio flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Antonio that suits you.
Can I find flights from Ontario to San Antonio with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Antonio from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to San Antonio?
Once all potential Ontario to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to San Antonio right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Ontario and alert you when they change.