
$120 Cheap United flights from Ontario to San Antonio (ONT to SAT)
Find The Best Day To Fly from Ontario to San Antonio
Amazing United ONT to SAT Flight Deals
The cheapest flights to San Antonio Intl. found within the past 7 days were $206 round trip and $120 one way. Prices and availability subject to change. Additional terms may apply.
SAT From ONT Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best United flight from Ontario ONT to San Antonio SAT
To find the best deals on flights to Ontario from San Antonio with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Ontario ONT to San Antonio SAT with United
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $206 to $237, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way United flights from Ontario ONT to San Antonio SAT
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Ontario to San Antonio costs from $120. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to San Antonio SAT from Ontario ONT with United
To find a cheap United flight from Ontario ONT to San Antonio SAT, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on United flights from Ontario ONT to San Antonio SAT
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover.
Find nonstop flights from Ontario ONT to San Antonio SAT with United
If you’re keen to be on San Antonio soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from Ontario ONT to San Antonio SAT
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to San Antonio SAT from Ontario ONT with United on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
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Popular United Flight Routes from ONT
Top Flights for United originating from ONT
Domestic
- Philadelphia to Orlando (PHL - MCO)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Dallas to Las Vegas (DFW - LAS)
- Houston to Las Vegas (IAH - LAS)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- Los Angeles to Tokyo (LAX - HND)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Atlanta to Las Vegas (ATL - LAS)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
- Los Angeles to Honolulu (LAX - HNL)
International
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Philadelphia to Orlando (PHL - MCO)
- Los Angeles to Tokyo (LAX - HND)
- San Juan to Orlando (SJU - MCO)
- Los Angeles to Tokyo (LAX - HND)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- Los Angeles to Honolulu (LAX - HNL)
- Orlando to San Juan (MCO - SJU)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
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