Cheap Flight Tickets from Ontario (ONT) to San Antonio (SAT), Starting at $141

Good to Know: Cheapest and Fastest ONT - SAT Flights

Useful information for finding best airline tickets from Ontario International to San Antonio International on your next trip.

Cheapest Round Trip Flight

$224

WN Southwest Airlines • 1 stop • 13h 30m

Oct 15 – Oct 19

The cheapest round trip flight from Ontario to San Antonio (ONT-SAT-ONT) is currently $224

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Cheapest Direct Flight

$618

DL Delta Airlines • nonstop • 4h 11m

Sep 19

The cheapest nonstop flight from Ontario to San Antonio (ONT-SAT) is currently $618

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Fastest Flight

4h 8m

The fastest nonstop flight from Ontario to San Antonio (ONT-SAT) takes 4h 8m

Top Airlines Flying from Ontario to San Antonio

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

Aeromexico Airline (AM)

Aeromexico

Latest Flight Deals from Ontario (ONT) to San Antonio (SAT)

Compare and book low fare round-trip air tickets from Ontario to San Antonio. Ideal for travelers with confirmed return itineraries.

Oct 15 - Oct 19, Economy
WN
Ontario → San Antonio
13h 30m
8:05 AM - 6:15 PM • 1 stop
WN
Ontario → San Antonio
12h 20m
4:35 PM - 10:15 PM • 1 stop
$224
Southwest Airlines
Oct 15 - Oct 19, Economy
WN
Ontario → San Antonio
10h 10m
5:15 PM - 1:25 AM • 2 stops
WN
Ontario → San Antonio
15h 15m
4:35 PM - 11:50 PM • 2 stops
$231
Southwest Airlines
Oct 15 - Oct 19, Economy
WN
Ontario → San Antonio
10h
5:40 AM - 1:40 PM • 1 stop
WN
Ontario → San Antonio
15h 55m
11:45 AM - 7:40 PM • 1 stop
$240
Southwest Airlines
Oct 15 - Oct 19, Economy
WN
Ontario → San Antonio
13h 30m
9:45 AM - 7:55 PM • 2 stops
WN
Ontario → San Antonio
12h 25m
5:40 AM - 11:25 AM • 2 stops
$247
Southwest Airlines
Oct 15 - Oct 19, Economy
AA
Ontario → San Antonio
12h 17m
2:22 PM - 11:59 PM • 1 stop
AA
Ontario → San Antonio
8h 35m
8:38 AM - 11:53 AM • 1 stop
$645
American Airlines
Oct 15 - Oct 19, Economy
AS
Ontario → San Antonio
32h
6:56 PM - 4:16 PM • 1 stop
AS
Ontario → San Antonio
13h 36m
5:26 PM - 11:42 PM • 1 stop
$1535
Alaska Airlines

Fly from Ontario to San Antonio with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to San Antonio? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to San Antonio Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to SAT?
The most popular airline flying from Ontario to San Antonio are
Can I fly from ONT to SAT non-stop?
Yes, you can fly ONT to SAT non-stop on
Which airlines fly nonstop between Ontario and San Antonio?
The non-stop flights between Ontario and San Antonio are .
What’s the earliest departure time from ONT to SAT Airport?
The earliest flight leaves ONT at 5:00 am and lands in SAT - San Antonio International
What are the airports in San Antonio?
SAT
Can I make changes to my Ontario to San Antonio flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to SAT?
Read the fare rules of the Ontario to San Antonio air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and San Antonio?
operate flights between Ontario and San Antonio
How long does a flight from Ontario to San Antonio take?
It takes approximately 3 hour to fly non-stop from ONT to SAT, which is 1166.09 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to San Antonio (SAT) ?
In the past couple of days, the cheapest tickets to SAT from ONT were found on WN : USD 240
Do I need a passport to fly between ONT and SAT?
No
What’s the latest departure time from ONT to SAT ?
The last flight leaves ONT at 7:25 pm

Ontario (ONT) to San Antonio (SAT): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport San Antonio International , San Antonio, US
Distance 1166 miles

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