Cheap Flights from San Antonio to Ontario Starting at $64

Helping travelers to find the best flight offers

Cheapest flights from San Antonio to Ontario

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Antonio to Ontario. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$64

Spirit Airlines
Spirit Airlines
Direct flight
3h 14m
06/11/2025

The cheapest one-way flight from San Antonio to Ontario departs on 06/11/2025, is operated by Spirit Airlines and costs $64

Cheapest round trip flight

$130

Spirit Airlines
Spirit Airlines
Direct flight
6h 13m
06/17/2025

The cheapest roundtrip flight from San Antonio to Ontario departs on 06/17/2025, is operated by Spirit Airlines and costs $130

The fastest flight

3h 14m

Fastest flight from San Antonio to Ontario takes 3h 14m

Direct flights

Once a week

There are direct flights on this route 1 day a week: We

Distance

1878km

Timezone difference

2h

The distance between San Antonio and Ontario is 1878km (1164 miles). The time difference between San Antonio and Ontario is 2h .

See also:

Cheap flights to United States

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Direct flights airfares to Ontario

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Cheapest air tickets to San Antonio

Airfare from San Antonio to Ontario by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from San Antonio to Ontario

May 2025
Lowest price
on average:
$165
  • Avg Price

Airlines operating on route

Below you will find a list of airlines operating flights on the San Antonio — Ontario route and the starting prices for flights of each specific airline on it.

Frontier Airlines
Frontier Airlines

Starting at $136

Direct Flights from San Antonio to Ontario

A direct flight is the most convenient and comfortable way to fly from San Antonio to Ontario, despite the fact that sometimes flights with transfers can cost significantly less.

Los Angeles city image

San Antonio — Los Angeles

SAT — LAX

06/11/2025

Departure date

Direct flight

Spirit Airlines

NK2700

Starting at $127

Schedule of direct flights from San Antonio to Ontario

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from San Antonio to Ontario:

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Unable to find information about the schedule of direct flights from

San Antonio airports overview

SAT
San Antonio International Airport
American Airlines
Spirit Airlines
Airlines flying to this airport
$64
Starting at
$109
on average

Ontario airports overview

LAX
Los Angeles International Airport
Spirit Airlines
Airlines flying to this airport
$64
Starting at
$64-211%
on average
ONT
Ontario International Airport
American Airlines
Airlines flying to this airport
$198
Starting at
$198
on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from San Antonio to Ontario?

The cheapest flight ticket from San Antonio to Ontario according to data for the last 48 hours costs $64

When is the best time to buy air tickets on the route San Antonio — Ontario?

Often the best time to buy tickets from San Antonio to Ontario is 2 months before departure.

When is the cheapest time of year to fly from San Antonio to Ontario?

Based on statistics over the past years, the lowest prices for flights from San Antonio to Ontario can be found flying in these months: May.

How long does it take to fly from San Antonio to Ontario?

The fastest flights from San Antonio to Ontario start from 3 hours 14 minutes in the air.

Which airline can fly direct from San Antonio to Ontario?

The following airlines operate direct flights on the route San Antonio — Ontario: Spirit Airlines

Special offers and sales on air tickets from San Antonio to Ontario

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

Alternative routes

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