Lowest Prices
Uncover the best deals on Ontario to San Antonio flights by comparing fares from hundreds of airlines and agencies.
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
$289
Delta Airlines
• 1 stop
• 8h 36m
Sep 18 – Sep 27
The cheapest round trip flight from Ontario to San Antonio (ONT-SAT-ONT) is currently $289
Fastest Flight
8h 36m
The fastest nonstop flight from Ontario to San Antonio (ONT-SAT) takes 8h 36m
Top Airlines Flying from Ontario to San Antonio
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.
Sep 18 - Sep 27, Economy
Ontario → San Antonio
8h 36m
5:15 PM - 12:31 AM • 1 stop
Ontario → San Antonio
9h 14m
6:35 AM - 10:29 AM • 1 stop
Delta Airlines
Sep 18 - Sep 27, Economy
Ontario → San Antonio
8h 40m
9:52 AM - 5:12 PM • 1 stop
Ontario → San Antonio
5h 9m
4:50 PM - 5:59 PM • nonstop
Delta Airlines
Sep 06 - Sep 13, Economy
Ontario → San Antonio
8h 51m
6:00 AM - 1:31 PM • 1 stop
Ontario → San Antonio
5h 9m
4:50 PM - 5:59 PM • nonstop
Delta Airlines
Sep 06 - Sep 13, Economy
Ontario → San Antonio
10h 10m
1:06 PM - 9:16 PM • 1 stop
Ontario → San Antonio
5h 9m
4:50 PM - 5:59 PM • nonstop
Delta Airlines
Sep 06 - Sep 13, Economy
Ontario → San Antonio
10h 10m
1:06 PM - 9:16 PM • 1 stop
Ontario → San Antonio
10h 9m
6:01 PM - 10:10 PM • 1 stop
Delta Airlines
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?
NO
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 6:00 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 DL : USD 393
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 5:15 pm
Essential Information for Booking Flights from Ontario (ONT) - AI Insights
What's the cheapest airline from ont to sat?
You can find affordable flights from Ontario to San Antonio with Frontier Airlines. For a one-way trip, consider booking in advance to secure low fares. Look for cheap airfare deals on their website or through fareleaders.com.
What's the popular airline to fly from ont to sat?
You can fly from Ontario International Airport (ONT) to San Antonio International Airport (SAT) on Southwest Airlines (WN), a popular airline offering budget-friendly flights.
What's the cheapest day of the week to fly from ont to sat?
The cheapest day to fly from Ontario International Airport (ONT) to San Antonio International Airport (SAT) is Tuesday. Flying on Tuesdays can result in lower fares, making it a budget-friendly option for your trip.
What's the cheapest month to fly from ont to sat?
The cheapest month to fly from Ontario International Airport (ONT) to San Antonio International Airport (SAT) is October. This is based on historical airfare data, which suggests that October tends to offer lower fares compared to other months. You can expect to find budget-friendly flights during this time.
Which airline/airlines fly from ont to sat?
The airlines that fly from Ontario International Airport (ONT) to San Antonio International Airport (SAT) include Volaris Airline, Frontier Airlines, American Airlines, Delta Airlines, JetBlue Airways, Avianca, Aeromexico, Sun Country Airlines, Alaska Airlines, and Southwest Airlines. You can find low fares on these airlines for your one-way trip from Ontario to San Antonio.
What is the cheapest airfare from Ontario International to San Antonio International?
The cheapest airfare from Ontario International to San Antonio International can be found on Frontier Airlines (F9) with prices starting at ₦X. You can book your flight in advance to get the best deals.
Can I book a flight for 2 advance booking days?
Yes, you can book a flight for 2 advance booking days on fareleaders.com. Simply enter your travel dates and destinations, and our search engine will show you the cheapest flights available.
How do I find cheap flights on fareleaders.com?
To find cheap flights on fareleaders.com, simply enter your travel dates and destinations, and our search engine will show you the cheapest flights available. You can also use our filters to narrow down your search by airline, departure time, and more.
Is there a busco option available for my trip?
Yes, we offer a busco option on fareleaders.com. This feature allows you to compare prices across multiple airlines and find the best deals for your trip.
Can I look up travel agencies that offer weekend getaways?
Yes, we offer a range of weekend getaway options on fareleaders.com. Simply enter your travel dates and destinations, and our search engine will show you the cheapest flights available to popular weekend destinations.
What is the best cabin class for a 4-person group?
The best cabin class for a 4-person group depends on your budget and preferences. However, our economy cabin class is often the most affordable option for large groups. You can also consider booking a private jet or charter flight for a more luxurious experience.
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 |
More Flight Options for Ontario (ONT) and San Antonio (SAT)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Honolulu (HNL)
Flights from Ontario (ONT)
to Honolulu (HNL)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Charlotte (CLT)
Flights from Ontario (ONT)
to Charlotte (CLT)
Flights from Ontario (ONT)
to San Francisco (SFO)
Flights from Ontario (ONT)
to San Francisco (SFO)
Flights from Ontario (ONT)
to Portland (PDX)
Flights from Ontario (ONT)
to Portland (PDX)
Flights from Ontario (ONT)
to Denver (DEN)
Flights from Ontario (ONT)
to Denver (DEN)
Flights from Ontario (ONT)
to San Antonio (SAT)
Flights from Ontario (ONT)
to San Antonio (SAT)
Flights from Ontario (ONT)
to New York (JFK)
Flights from Ontario (ONT)
to Salt Lake City (SLC)
Flights from Ontario (ONT)
to Salt Lake City (SLC)
Flights from Ontario (ONT)
to Minneapolis (MSP)
Flights from Newark (EWR)
to San Antonio (SAT)
Flights from Newark (EWR)
to San Antonio (SAT)
Flights from Detroit (DTW)
to San Antonio (SAT)
Flights from Ontario (ONT)
to San Antonio (SAT)
Flights from Ontario (ONT)
to San Antonio (SAT)
Flights from Houston (IAH)
to San Antonio (SAT)
Flights from Fort Myers (RSW)
to San Antonio (SAT)
Flights from Raleigh/Durham (RDU)
to San Antonio (SAT)
Flights from Kansas City (MCI)
to San Antonio (SAT)
Flights from Orlando (MCO)
to San Antonio (SAT)
Flights from Atlanta (ATL)
to San Antonio (SAT)
Flights from Baltimore (BWI)
to San Antonio (SAT)
Flights from Columbus (CMH)
to San Antonio (SAT)
Flights from Pittsburgh (PIT)
to San Antonio (SAT)
Flights from San Diego (SAN)
to San Antonio (SAT)
Flights from Las Vegas (LAS)
to San Antonio (SAT)
Flights from Boston (BOS)
to San Antonio (SAT)
Flights from Philadelphia (PHL)
to San Antonio (SAT)
Flights from Portland (PWM)
to San Antonio (SAT)
Flights from Houston (HOU)
to San Antonio (SAT)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to California (US-CA)
Cheap flights to Texas (US-TX)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from California (US-CA)
Cheap flights from Texas (US-TX)
Flights to Ontario (ONT)
Flights to Ontario (ONT)
Flights to San Antonio (SAT)
Flights from Ontario (ONT)
Flights from San Antonio (SAT)
Flights from San Antonio (SAT)
to Ontario (ONT)
Flights from San Antonio (SAT)
to Ontario (ONT)
Why Fareleaders for ONT to SAT Plane Tickets
New Deals Everyday
Get the best prices on ONT to SAT flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Ontario to San Antonio flights and secure the best deals—we never add any service fees.