Planning a trip from San Antonio to Southern California? Globitude Travels makes booking flights from San Antonio International Airport (SAT) to Ontario International Airport (ONT) seamless and affordable. Whether you choose Frontier Airlines starting at $218 or American Airlines from $270, we help you find the best economy fares for your West Coast getaway.
Lowest fare found per airline on the SAT → ONT route, with our discounted phone-deal price.
| Airline | Cabin | Found fare | Our discounted fare | Fare found on | |
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Economy | $85.06 | Sep 16, 2026 | Book | |
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Economy | $87.06 | Sep 16, 2026 | Book | |
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Economy | $88.98 | Sep 16, 2026 | Book | |
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Economy | $90.20 | Sep 16, 2026 | Book | |
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Economy | $115.45 | Sep 16, 2026 | Book | |
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Economy | $382.81 | Sep 16, 2026 | Book |
Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.
Traveling from San Antonio (SAT) to Ontario (ONT) places you right in the heart of Southern California's Inland Empire. Ontario offers a convenient, less congested alternative to larger Los Angeles area airports, making your arrival smooth whether you are visiting for business or leisure. Enjoy easy access to regional attractions, nearby mountain resorts, and bustling local dining spots.
When packing for your trip, keep Ontario's sunny climate in mind, featuring warm summers and mild winters. Explore popular surrounding neighborhoods like Rancho Cucamonga or downtown Ontario, where you can sample diverse cuisine ranging from authentic Mexican dishes to fresh California farm-to-table menus. Contact Globitude Travels today to lock in your preferred economy seat with Frontier or American Airlines.
Globitude Travels offers competitive economy fares on this route with Frontier Airlines starting at $218 and American Airlines starting at $270.
Flights depart from San Antonio International Airport (SAT) in Texas and arrive at Ontario International Airport (ONT) in California.
Off-peak travel months such as January, February, and September typically offer the lowest fares for flights between SAT and ONT.
Yes, flights on this route commonly include one connecting stop, frequently transferring through carrier hubs such as Denver or Dallas/Fort Worth.
Yes, you can call Globitude Travels directly to speak with a travel agent and book your SAT to ONT flight over the phone.
Globitude Travels is an independent travel agency — call 1-856-513-6369 or use the search above to compare live fares on this route. See our terms, privacy policy, refund policy and service fees for full details, or contact us any time.
Page updated September 13, 2026 · fare data refreshed automatically from live flight searches.
