Search Flights from Ontario to San Antonio

Quick Flight Summary from Ontario to San Antonio

Key numbers to know before you book

  • Lowest recent price
    $121
  • Direct flight duration 5 hour 11 min
  • Arrival airports RND / SAT / SSF
  • Best days to book Thursday, Saturday
  • Average over the last 30 days
    $163

Cheapest flights from Ontario to San Antonio

Best Price

Frontier Airlines

Frontier Airlines
14 Nov, Sat
Ontario – San Antonio
5h 33m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
18 Nov, Wed
Ontario – San Antonio
5h 33m
1 stop
ONT–SAT
Shortest Flight

Frontier Airlines

Frontier Airlines
19 Nov, Thu
Ontario – San Antonio
5h 11m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
27 Oct, Tue
Ontario – San Antonio
5h 33m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
29 Oct, Thu
Ontario – San Antonio
5h 11m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
31 Oct, Sat
Ontario – San Antonio
5h 33m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
3 Nov, Tue
Ontario – San Antonio
5h 33m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
5 Nov, Thu
Ontario – San Antonio
5h 12m
1 stop
ONT–SAT

Frontier Airlines

Frontier Airlines
17 Nov, Tue
Ontario – San Antonio
1d 2h 27m
1 stop
ONT–SAT

Last update: 07 October 2026 11:37

Estimated Prices for Ontario to San Antonio Flights

Cheapest Day27 October Tuesday
Best Price
$121
Average Price
$175
$226
$121
$221
07Wed
Oct
$221
08Thu
$221
09Fri
$221
10Sat
$221
11Sun
$221
12Mon
$221
13Tue
$221
14Wed
$221
15Thu
$221
16Fri
$221
17Sat
$226
18Sun
$221
19Mon
$221
20Tue
$131
21Wed
$137
22Thu
$163
23Fri
$131
24Sat
25Sun
$131
26Mon
$121
27Tue
$126
28Wed
$121
29Thu
$141
30Fri
$121
31Sat
$174
01Sun
Nov
$127
02Mon
$121
03Tue
$127
04Wed
$121
05Thu

Key Features of the Airlines

Information compiled by AI. For the most up-to-date information, contact the airline.

Transportation to San Antonio City Center from Airport

San Antonio Intl. Airport

It is possible to reach the city center from San Antonio International Airport in 20-35 minutes under normal traffic conditions.

Taxi, rental cars, hotel shuttles and shuttle buses will take you to the city center in a shorter time while you only lose a maximum of 15 minutes if you prefer taking bus. You can evaluate your transfer options by deciding whether time and comfort or cost is more important to you.

Taxi

The cost of going to the city center from the airport by taxi is 27-29 dollars. If you are a crowded group or if you have a lot of baggage, you can ask for a bigger taxi. There are taxi stops at the exit of both terminals. You journey by taxi lasts 20 minutes on average.

Car-sharing

You can download Uber&Lift or GetMe applications to your smart phone and you can benefit from the shared-car opportunity in order to get to the city center at affordable prices. Please note that the prices may vary by the company and departure time. The shared cars pick their passengers from B-19 and B-20 points at the end of terminal B.

Rent a car

There are 9 car rental companies in the airport. At the baggage reclaim area of terminal A, you can also benefit from toll-free calls to contact the car rental companies. You can reach the city center in less than 20 minutes by following the US-281 S motorway. There are also 18 different limousine rental companies at the airport for those who prefer to travel more comfortably.

Shuttle Services

The Super Shuttle company offers private shuttle service from the airport to the hotels and main points in the city center. This service is the most expensive way to travel from San Antonia International Airport to the city center and other parts of the city if you are travelling as 2 or more people.

It costs 19$ per person to go to the city center with shuttle service. If you want to go to a point outside the city center and if this is not a hotel, the fee goes up to 29 dollars. Therefore, if you are planning to go to the River Walk or the bus station, it would be more cost-effective for you to give the name of a hotel nearby.

Bus

It is possible to reach the city center by taking the bus number 5. The bus departs every 30 minutes and reaches the city center in 35 minutes under normal traffic conditions. The one-way ticket price for adults only costs 1.30$. The bus service starts at 5 o’clock in the morning and continue until 10 o’clock in the night. Many hotels in the city center are just within walking distance from the bus stop; so, bus is one of the most commonly preferred means of transportation.

One important thing to keep in mind is that the bus number changes from 5 to 30 when it enters the city center; the airport passengers do not have to pay an extra transfer fare. In addition, you can also get a daily ticket for 2.75$ if you need to board the bus again for the rest of the day.

Hotel Shuttle Services

The hotels around the airport offer free of charge shuttle services for their guests and you can benefit from this service by informing your request in advance. However, the hotels in the city center do not offer such a service. Still, they can arrange a shuttle service for you at the airport upon your arrival if you request in advance.

San Antonio Weather

5-Day Forecast • Min / Max Temperature

Tuesday
6 Oct
Clear
32°20°
Today
Wednesday
7 Oct
Clear
33°19°
Thursday
8 Oct
Cloudy
32°19°
Friday
9 Oct
Cloudy
32°22°
Saturday
10 Oct
Clear
31°21°

Alternative Flights Ontario San Antonio

Frequently Asked Questions

When you search for Ontario (Ontario Intl.)-San Antonio flights, Wingie directly gathers and compares instant data from all airlines. You can see all Ontario (Ontario Intl.)-San Antonio flights together for the date you are looking for and choose the most suitable flight.
For Ontario (Ontario Intl.)-San Antonio flights, you can use Ontario Intl. Airport, Toronto Union Railway Station as departure airport, and Randolph Airport, San Antonio Intl. Airport, Stinson Municipal  Airport for arrival.
The flight distance between Ontario (Ontario Intl.)-San Antonio is 1880 kilometers in total. The flight between the two cities takes 2 hour 20 minutes.
When the average prices are examined, the most suitable day for Ontario (Ontario Intl.)-San Antonio flights is Tuesday.
On this route, low-cost airlines typically offer fares that include only cabin and hand baggage. Full-service airlines may include baggage and refreshment fees in the base price. The best option varies according to baggage needs. Based on current data, the lowest fare on this route with Frontier Airlines starts from approximately $121.
AirlinePriceStandard inclusions
Frontier Airlines
$121
—
Delta Air Lines
$126
Paid Change (up to 48 hours) / No Refund / 1 piece cabin baggage / Complimentary Refreshments / In-flight Entertainment
American Airlines
$265
Penalty-Free Change (up to 48 hours) / No Refund / 1 piece cabin baggage / In-flight Entertainment
Southwest
$279
No changes allowed / No Refund / 1 piece cabin baggage / Complimentary Refreshments / In-flight Entertainment

Last update: 07.10.2026

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