Cheap flights from San Antonio to Ontario (SAT - ONT)

SAT — ONT
May 24 — May 311

The best prices from San Antonio to Ontario are usually found in September or October, booked 58 days in advance, depart on a Monday or Wednesday and return on a Wednesday

How to find the cheapest flight from San Antonio to Ontario

All the information you need to plan the best SAT to ONT flight in 2022: compare San Antonio to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

SAT - ONT

Price

$157 - $324

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular inMarchHigh demand for flights, 26% potential price rise
Cheapest inSeptemberBest time to find cheap flights, 35% potential price drop
Average price$260Average for round-trip flights in May 2022
Round-trip from$157From San Antonio to Ontario

What is the cheapest day to fly round-trip from San Antonio to Ontario?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from San Antonio to Ontario?

To save up to 38% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Antonio to Ontario from $296 1-2 weeks out and tickets from $366 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Antonio to Ontario?

Our data shows that August tends to be the cheapest month to fly to Ontario from San Antonio. Users have commonly found prices around $264 for the month, but tickets can be as low as $138. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from San Antonio to Ontario (SAT - ONT)?

One of the essential ways to save on airfare from San Antonio to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

Cheap flights from San Antonio to Ontario in May, June 2022

The best prices found for SAT to ONT flights for May, June
Jun 15 - Aug 3
SAT

San Antonio

ONT

Ontario

1 stop

11h 12m
ONT

Ontario

SAT

San Antonio

1 stop

14h 51m
$208

Frontier

View Deal

Deal found 5/17/22

Jun 20 - Jun 28
SAT

San Antonio

ONT

Ontario

1 stop

11h 14m
ONT

Ontario

SAT

San Antonio

1 stop

10h 07m
$224

Frontier

View Deal

Deal found 5/16/22

May 18 - May 21
SAT

San Antonio

ONT

Ontario

1 stop

20h 22m
ONT

Ontario

SAT

San Antonio

1 stop

5h 19m
$226

Frontier

View Deal

Deal found 5/17/22

San Antonio to Ontario 2022 flight deals

Cheap flights to Ontario from San Antonio found for this year
Jun 15 - Aug 3
SAT

San Antonio

ONT

Ontario

1 stop

11h 12m
ONT

Ontario

SAT

San Antonio

1 stop

14h 51m
$208

Frontier

View Deal

Deal found 5/17/22

Jun 20 - Jun 28
SAT

San Antonio

ONT

Ontario

1 stop

11h 14m
ONT

Ontario

SAT

San Antonio

1 stop

10h 07m
$224

Frontier

View Deal

Deal found 5/16/22

May 18 - May 21
SAT

San Antonio

ONT

Ontario

1 stop

20h 22m
ONT

Ontario

SAT

San Antonio

1 stop

5h 19m
$226

Frontier

View Deal

Deal found 5/17/22

Cheap Frontier flights from San Antonio to Ontario

Jun 15 - Aug 3
SAT

San Antonio

ONT

Ontario

1 stop

11h 12m
ONT

Ontario

SAT

San Antonio

1 stop

14h 51m
$208

Frontier

View Deal

Deal found 5/17/22

Jun 20 - Jun 28
SAT

San Antonio

ONT

Ontario

1 stop

11h 14m
ONT

Ontario

SAT

San Antonio

1 stop

10h 07m
$224

Frontier

View Deal

Deal found 5/16/22

Jun 22 - Jun 27
SAT

San Antonio

ONT

Ontario

1 stop

11h 12m
ONT

Ontario

SAT

San Antonio

1 stop

23h 12m
$232

Frontier

View Deal

Deal found 5/18/22

Cheap Delta flights from San Antonio to Ontario

May 25 - Jun 1
SAT

San Antonio

ONT

Ontario

1 stop

6h 45m
ONT

Ontario

SAT

San Antonio

1 stop

5h 58m
$458

Delta

View Deal

Deal found 5/18/22

May 25 - Jun 1
SAT

San Antonio

ONT

Ontario

1 stop

6h 45m
ONT

Ontario

SAT

San Antonio

1 stop

5h 58m
$491

Delta

View Deal

Deal found 5/17/22

May 25 - May 28
SAT

San Antonio

ONT

Ontario

1 stop

6h 45m
ONT

Ontario

SAT

San Antonio

1 stop

5h 39m
$506

Delta

View Deal

Deal found 5/17/22

Last minute flights from San Antonio to Ontario

Late deals on return flights to Ontario from San Antonio, departing today and this week
May 25 - May 31
SAT

San Antonio

ONT

Ontario

1 stop

21h 14m
ONT

Ontario

SAT

San Antonio

1 stop

21h 58m
$273

Frontier

View Deal

Deal found 5/17/22

May 28 - May 31
SAT

San Antonio

ONT

Ontario

1 stop

12h 30m
ONT

Ontario

SAT

San Antonio

1 stop

21h 58m
$279

Frontier

View Deal

Deal found 5/16/22

May 29 - Jun 9
SAT

San Antonio

ONT

Ontario

1 stop

10h 39m
ONT

Ontario

SAT

San Antonio

1 stop

12h 11m
$281

Frontier

View Deal

Deal found 5/17/22

One-way flights to Ontario from San Antonio

The cheapest one-way flights from San Antonio to Ontario
Jun 27
SAT

San Antonio

ONT

Ontario

1 stop

25h 17m
$87

Frontier

View Deal

Deal found 5/16/22

Jun 27
SAT

San Antonio

ONT

Ontario

1 stop

11h 14m
$108

Frontier

View Deal

Deal found 5/18/22

Jun 15
SAT

San Antonio

ONT

Ontario

1 stop

11h 12m
$110

Frontier

View Deal

Deal found 5/17/22

Related info for your journey

Useful info, stats and facts about San Antonio to Ontario flights.

Which airlines flying from San Antonio to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Frontier flying from San Antonio to Ontario have implemented new flexible cancellation policies.

Can I find flights from San Antonio to Ontario for under $300 on Cheapflights?

Yes, there are multiple flights from San Antonio to Ontario for under $300. The cheapest flight booked recently is on Frontier for just $208, but on average you can expect to pay $260.

Are there last-minute flights available from San Antonio to Ontario for under $300?

There are currently 20+ open flights from San Antonio to Ontario within the next 7 days for less than $300.

How popular is this San Antonio to Ontario flight route?

Flights from San Antonio to Ontario have been viewed 40 times in the past calendar month.

What is the cheapest airline to fly from San Antonio to Ontario round-trip?

Our cheapest airline available from San Antonio to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $208 on this airline. Users have found that Frontier is 13% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Antonio to Ontario one-way?

$87 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $148 and $223, respectively.

What are the most popular airlines that fly from San Antonio to Ontario?

Before booking your flight from San Antonio to Ontario check out the most popular airlines for this route: American Airlines, Delta or Frontier.

What are the cheapest flights from San Antonio to Ontario?

Looking for the cheapest flight from San Antonio to Ontario? While on average our users pay $396, our data indicates the cheapest price to be $20. The most popular route (San Antonio - Ontario), is priced around $297.

Alternative routes for San Antonio to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from San Antonio to Ontario

The chart below displays the airlines Cheapflights users traveling from San Antonio to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$75Average$180FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$133Average$395FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$196Average$336FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$225Average$356FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights