Cheap flights from Ontario to San Antonio (ONT - SAT) from $49

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SAT
Apr 16 — Apr 231

The best prices from Ontario to San Antonio are usually found in September or August, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Ontario to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 11, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$288

One-way from

$150
High demand for flights, 24% potential price rise
Best time to find cheap flights, 17% potential price drop
From Ontario to San Antonio
One-way flight from Ontario to San Antonio

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

Saturday flights are found to be more expensive to fly from Ontario to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

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

Users have found that booking a flight from Ontario to San Antonio at least 55 days early can save you up to 47% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Ontario to San Antonio for as little as $222 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $391 for flights departing within the next 3 days.

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

Flights from Ontario to San Antonio lean towards being more expensive in December. Prices are generally better when you fly from Ontario to San Antonio in August, with the cheapest ticket starting at $80.

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

It’s typically best to fly out from Ontario to San Antonio at noon. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Frontier flights from Ontario to San Antonio

Explore cheap flight options specifically provided by Frontier for the route between Ontario and San Antonio. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Check out some of the cheapest Frontier flights we've come across from Ontario to San Antonio. Come back soon if you're not finding the exact deal you're looking for.
Tue 4/3010:49 pmONT - SAT
1 stop20h 15mFrontier
Wed 5/1512:22 pmSAT - ONT
1 stop13h 37mFrontier
Deal found 4/10$94
Tue 4/306:55 pmONT - SAT
1 stop24h 09mFrontier
Sat 5/49:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$97
Tue 4/3012:59 amONT - SAT
1 stop8h 23mFrontier
Mon 5/69:36 pmSAT - ONT
1 stop11h 27mFrontier
Deal found 4/10$98
Thu 4/2510:58 pmONT - SAT
1 stop19h 20mFrontier
Sat 4/279:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$102
Tue 4/2312:59 amONT - SAT
1 stop8h 23mFrontier
Mon 4/299:36 pmSAT - ONT
1 stop11h 27mFrontier
Deal found 4/11$108
Tue 4/306:55 pmONT - SAT
1 stop24h 09mFrontier
Fri 5/310:59 pmSAT - ONT
1 stop27h 00mFrontier
Deal found 4/10$109
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Wed 4/249:54 pmSAT - ONT
1 stop11h 14mFrontier
Deal found 4/10$110
Thu 5/210:58 pmONT - SAT
1 stop19h 20mFrontier
Sat 5/49:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$113
Tue 5/712:59 amONT - SAT
1 stop8h 23mFrontier
Wed 5/159:54 pmSAT - ONT
1 stop20h 08mFrontier
Deal found 4/10$118

Cheap American Airlines flights from Ontario to San Antonio

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and San Antonio. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from Ontario to San Antonio. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 7/911:59 pmONT - SAT
1 stop6h 24mAmerican Airlines
Tue 7/166:55 pmSAT - ONT
1 stop4h 51mAmerican Airlines
Deal found 4/10$336
Wed 7/244:31 pmONT - SAT
1 stop4h 34mAmerican Airlines
Mon 7/292:50 pmSAT - ONT
1 stop5h 32mAmerican Airlines
Deal found 4/11$346
Wed 7/311:59 pmONT - SAT
1 stop6h 34mAmerican Airlines
Sun 7/710:02 pmSAT - ONT
1 stop4h 08mAmerican Airlines
Deal found 4/10$407
Sun 7/712:59 amONT - SAT
1 stop5h 24mAmerican Airlines
Mon 7/156:55 pmSAT - ONT
1 stop4h 51mAmerican Airlines
Deal found 4/10$426
Fri 4/197:43 amONT - SAT
1 stop4h 49mAmerican Airlines
Tue 4/238:56 amSAT - ONT
1 stop4h 54mAmerican Airlines
Deal found 4/9$676
Fri 4/192:53 pmONT - SAT
1 stop5h 02mAmerican Airlines
Tue 4/236:00 amSAT - ONT
2 stops7h 50mAmerican Airlines
Deal found 4/9$681
Sun 4/2112:55 pmONT - SAT
2 stops8h 55mAmerican Airlines
Fri 4/2610:55 amSAT - ONT
2 stops9h 54mAmerican Airlines
Deal found 4/10$686
Fri 4/197:43 amONT - SAT
1 stop4h 49mAmerican Airlines
Tue 4/238:34 pmSAT - ONT
1 stop5h 23mAmerican Airlines
Deal found 4/11$696
Fri 4/1912:55 pmONT - SAT
2 stops7h 00mAmerican Airlines
Sun 4/218:56 amSAT - ONT
1 stop4h 54mAmerican Airlines
Deal found 4/10$701

Cheap Ontario to San Antonio flights in April & May 2024

Find cheap flight options from Ontario to San Antonio specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Prices were last updated on April 11, 2024.
The lowest fares we've come across on flights traveling from Ontario to San Antonio in April and May 2024. For more flight deals, be sure to check back very soon.
Tue 4/3010:49 pmONT - SAT
1 stop20h 15mFrontier
Wed 5/1512:22 pmSAT - ONT
1 stop13h 37mFrontier
Deal found 4/10$94
Thu 5/910:58 pmONT - SAT
1 stop19h 20mFrontier
Mon 5/139:36 pmSAT - ONT
1 stop15h 44mFrontier
Deal found 4/11$96
Tue 4/306:55 pmONT - SAT
1 stop24h 09mFrontier
Sat 5/49:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$97
Tue 4/3012:59 amONT - SAT
1 stop8h 23mFrontier
Wed 5/89:54 pmSAT - ONT
1 stop11h 14mFrontier
Deal found 4/11$98
Thu 5/910:58 pmONT - SAT
1 stop19h 20mFrontier
Mon 5/139:36 pmSAT - ONT
1 stop26h 21mFrontier
Deal found 4/11$100
Thu 4/2510:58 pmONT - SAT
1 stop19h 20mFrontier
Sat 4/279:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$102
Tue 4/2312:59 amONT - SAT
1 stop8h 23mFrontier
Mon 4/299:36 pmSAT - ONT
1 stop11h 27mFrontier
Deal found 4/11$108
Tue 4/306:55 pmONT - SAT
1 stop24h 09mFrontier
Fri 5/310:59 pmSAT - ONT
1 stop27h 00mFrontier
Deal found 4/10$109
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Wed 4/249:54 pmSAT - ONT
1 stop11h 14mFrontier
Deal found 4/10$110

Ontario to San Antonio 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San Antonio in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
The lowest fares we've come across on flights traveling from Ontario to San Antonio in April and May 2024. For more flight deals, be sure to check back very soon.
Tue 4/3010:49 pmONT - SAT
1 stop20h 15mFrontier
Wed 5/1512:22 pmSAT - ONT
1 stop13h 37mFrontier
Deal found 4/10$94
Thu 5/910:58 pmONT - SAT
1 stop19h 20mFrontier
Mon 5/139:36 pmSAT - ONT
1 stop15h 44mFrontier
Deal found 4/11$96
Tue 4/306:55 pmONT - SAT
1 stop24h 09mFrontier
Sat 5/49:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$97
Tue 4/3012:59 amONT - SAT
1 stop8h 23mFrontier
Wed 5/89:54 pmSAT - ONT
1 stop11h 14mFrontier
Deal found 4/11$98
Thu 5/910:58 pmONT - SAT
1 stop19h 20mFrontier
Mon 5/139:36 pmSAT - ONT
1 stop26h 21mFrontier
Deal found 4/11$100
Thu 4/2510:58 pmONT - SAT
1 stop19h 20mFrontier
Sat 4/279:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/10$102
Tue 4/2312:59 amONT - SAT
1 stop8h 23mFrontier
Mon 4/299:36 pmSAT - ONT
1 stop11h 27mFrontier
Deal found 4/11$108
Tue 4/306:55 pmONT - SAT
1 stop24h 09mFrontier
Fri 5/310:59 pmSAT - ONT
1 stop27h 00mFrontier
Deal found 4/10$109
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Wed 4/249:54 pmSAT - ONT
1 stop11h 14mFrontier
Deal found 4/10$110

Ontario to San Antonio flights leaving soon

Find last-minute flight options from Ontario to San Antonio for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Have a look at some of the last-minute flights available departing from Ontario to San Antonio. To prevent any unwanted surprises, users should verify their flight info before booking.
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Wed 4/249:54 pmSAT - ONT
1 stop11h 14mFrontier
Deal found 4/10$110
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Fri 4/1910:59 pmSAT - ONT
1 stop9h 27mFrontier
Deal found 4/10$128
Sun 4/2112:59 amONT - SAT
1 stop7h 48mFrontier
Sat 4/279:20 amSAT - ONT
1 stop16h 39mFrontier
Deal found 4/9$137
Wed 4/1712:39 pmONT - SAT
1 stop6h 25mFrontier
Wed 4/2412:22 pmSAT - ONT
2 stops11h 35mFrontier
Deal found 4/10$141
Thu 4/1812:56 amONT - SAT
1 stop19h 03mFrontier
Sun 4/2111:56 amSAT - ONT
1 stop21h 07mFrontier
Deal found 4/10$146
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Wed 4/2412:22 pmSAT - ONT
2 stops11h 35mFrontier
Deal found 4/10$158
Wed 4/1712:39 pmONT - SAT
1 stop6h 13mMultiple Airlines
Fri 4/1910:59 pmSAT - ONT
2 stops21h 12mMultiple Airlines
Deal found 4/9$187
Thu 4/189:04 pmONT - SAT
1 stop21h 14mFrontier
Mon 4/229:36 pmSAT - ONT
1 stop11h 27mFrontier
Deal found 4/10$188
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Fri 4/1910:59 pmSAT - ONT
2 stops21h 12mFrontier
Deal found 4/9$202

One-way flights to San Antonio from Ontario

Search for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Take a look at some of the one-way flights we've detected from Ontario to San Antonio. Those needing a return flight from Ontario to San Antonio can use the search form above.
Tue 4/2312:59 amONT - SAT
1 stop8h 23mFrontier
Deal found 4/9$49
Thu 4/2510:58 pmONT - SAT
1 stop19h 20mFrontier
Deal found 4/10$59
Tue 4/1612:59 amONT - SAT
1 stop8h 23mFrontier
Deal found 4/10$60
Fri 5/178:56 pmONT - SAT
1 stop9h 27mFrontier
Deal found 4/11$65
Sat 4/2010:56 pmONT - SAT
1 stop10h 00mFrontier
Deal found 4/10$67
Sun 5/127:31 amONT - SAT
1 stop25h 16mFrontier
Deal found 4/10$69
Sun 5/127:31 amONT - SAT
1 stop25h 16mFrontier
Deal found 4/9$71
Sun 4/2812:59 amONT - SAT
1 stop7h 48mFrontier
Deal found 4/10$75
Mon 5/1312:29 pmONT - SAT
1 stop6h 07mFrontier
Deal found 4/9$76

Find flights from Ontario to San Antonio within your budget

Customize your flight search to find flights from Ontario to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$94 - $150

Route

Depart

Return

Price

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Tue 4/30

1 stop20h 15m

San Antonio

Wed 5/15

1 stop13h 37m

$94

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Tue 4/30

1 stop24h 09m

San Antonio

Sat 5/4

1 stop16h 39m

$97

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Tue 4/30

1 stop8h 23m

San Antonio

Mon 5/6

1 stop11h 27m

$98

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Thu 4/25

1 stop19h 20m

San Antonio

Sat 4/27

1 stop16h 39m

$102

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Tue 4/23

1 stop8h 23m

San Antonio

Mon 4/29

1 stop11h 27m

$108

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Tue 4/30

1 stop24h 09m

San Antonio

Fri 5/3

1 stop27h 00m

$109

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Mon 4/29

1 stop14h 04m

San Antonio

Sat 5/4

1 stop16h 39m

$123

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Tue 4/30

1 stop8h 23m

San Antonio

Mon 5/6

2 stops19h 20m

$143

OntarioSan Antonio

ONT - SAT

ONTSAT

Ontario

Mon 4/29

2 stops12h 04m

San Antonio

Sat 5/4

1 stop16h 39m

$150

Flights are sorted by cheapest first

Deals found on 4/10

When is the best time to book a flight from Ontario to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to San Antonio. Price data was last updated on January 28, 2024.
The best time to book flights from Ontario to San Antonio is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to San Antonio. Price data was last updated on April 7, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to San Antonio flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Antonio by month

Plan your trip from Ontario to San Antonio by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to San Antonio is currently $66 while a round-trip flight costs $114. Price data was last updated on April 7, 2024.

Currently, September is the cheapest month in which you can book a flight from Ontario to San Antonio (average of $288). Flying from Ontario to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$303

February

$318

March

$376

April

$339

May

$329

June

$374

July

$352

August

$298

September

$288

October

$298

November

$314

December

$313

Temperature and rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature and rainfall totals by month.

SAT

Temperature

51.8 - 84.2 °F

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated April 11, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and Alaska Airlines from Ontario to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,265 reviews

Overall

8.2

Boarding

8.3

Entertainment

7.9

Crew

8.8

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Southwest
8.2
Very good
6,265 reviews
Southwest
8.2
Very good
6,265 reviews

Overall

8.2

Boarding

8.3

Entertainment

7.9

Crew

8.8

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
9,065 reviews
Southwest
8.2
Very good
6,265 reviews

Overall

8.2

Boarding

8.3

Entertainment

7.9

Crew

8.8

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
11,206 reviews
Southwest
8.2
Very good
6,265 reviews

Overall

8.2

Boarding

8.3

Entertainment

7.9

Crew

8.8

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.4
Good
11,391 reviews
Southwest
8.2
Very good
6,265 reviews

Overall

8.2

Boarding

8.3

Entertainment

7.9

Crew

8.8

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.3
Good
15,011 reviews
Southwest
8.2
Very good
6,265 reviews

Overall

8.2

Boarding

8.3

Entertainment

7.9

Crew

8.8

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Ontario to San Antonio for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to San Antonio for under $100. The cheapest flight booked recently is on Frontier for just $94, but on average you can expect to pay $118.

  • Are there last-minute flights available from Ontario to San Antonio for under $200?

    There are currently 20+ open flights from Ontario to San Antonio within the next 7 days for less than $200.

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

    According to our current data, Frontier ($94), offers the cheapest pricing from Ontario to San Antonio. Frontier is 74% cheaper than the average price of flights available within the next 90 days to this destination.

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

  • What does ONT to SAT mean?

    This is defined as Ontario Airport (ONT) and San Antonio Airport (SAT). Codes like San Antonio Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Ontario to San Antonio that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to San Antonio with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to San Antonio that include hotel bookings?

    Yes. In addition to deals on Ontario to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from Ontario to San Antonio?

    Yes. Cheapflights offers flight deals from Ontario to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to San Antonio that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to San Antonio?

    Yes, you can often find last-minute deals on Ontario to San Antonio flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to San Antonio flight deals updated?

    The Ontario to San Antonio flight deals you see on this page were last updated on 4/11.

See more FAQs

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Alternative routes for Ontario to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to San Antonio

Discover the top 5 airlines that operate flights from Ontario to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$158FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$123Average$193FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$211Average$389FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$256Average$438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$269Average$504FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Ontario to San Antonio by cabin class

Find flights from Ontario to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to San Antonio?

Cheapflights helps you search for flights from Ontario to San Antonio via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Antonio?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Antonio from Ontario.

Can Cheapflights find flights from Ontario to San Antonio with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to San Antonio flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to San Antonio become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.

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