$309 Cheap United flights Ontario Intl. Airport (ONT) to San Antonio (SAT)

View $309 flight on Tue, Jun 9, 2026Opens in a new window

$309 Cheap United flights Ontario Intl. Airport (ONT) to San Antonio (SAT)

Prices were available within the past 7 days and start at $309 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jun 9 - Sun, Jun 14
ONT
Ontario
SAT
San Antonio
$497 Roundtrip, found 2 hours ago
$497
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Jun 9 from Ontario to San Antonio, returning Sun, Jun 14, priced at $497 found 2 hours ago

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $280
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $280

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1861 km
Average flight time
4 hours 25 mins

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