Best Flight From San Antonio Intl. To ONT

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Amazing SAT to ONT Flight Deals

The cheapest flights to Ontario Intl. Airport were $164 for round trip flights and $84 for one-way flights in the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 17 - Wed, May 20
SAT
San Antonio
ONT
Ontario
$164 Roundtrip, found 6 days ago
$164
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, May 17 from San Antonio to Ontario, returning Wed, May 20, priced at $164 found 6 days ago
Sun, May 17 - Wed, May 20
SAT
San Antonio
ONT
Ontario
$185 Roundtrip, found 6 days ago
$185
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, May 17 from San Antonio to Ontario, returning Wed, May 20, priced at $185 found 6 days ago
Sun, May 17 - Wed, May 20
SAT
San Antonio
ONT
Ontario
$206 Roundtrip, found 6 days ago
$206
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, May 17 from San Antonio to Ontario, returning Wed, May 20, priced at $206 found 6 days ago
Thu, May 28 - Tue, Jun 16
SAT
San Antonio
ONT
Ontario
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 28 from San Antonio to Ontario, returning Tue, Jun 16, priced at $218 found 2 days ago
Tue, Jun 9 - Mon, Jun 15
SAT
San Antonio
ONT
Ontario
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jun 9 from San Antonio to Ontario, returning Mon, Jun 15, priced at $238 found 2 days ago
Wed, Jun 10 - Sat, Jun 20
SAT
San Antonio
ONT
Ontario
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Jun 10 from San Antonio to Ontario, returning Sat, Jun 20, priced at $244 found 4 days ago

Hotels near Ontario Intl. Airport Airport (ONT)

Ontario Airport Inn

Ontario Airport Inn

2.5 out of 5
1801 E G St Ontario CA
The price is $110 total per night from Apr 27 to Apr 28
$110 total
per night
Apr 27 - Apr 28
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Ontario Convention Center and Ontario Mills Shopping Mall are located nearby.
8.8/10 Excellent! (1,981 reviews)
Room was clean. Staff was very friendly and knowledgeable. Airport shuttle runs all day as needed. Breakfast was adequate with fruit, eggs, made to order waffles, assorted meats and bread. Highly recommended.

Reviewed on Apr 26, 2026

Opens in a new windowOntario Airport Inn
La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
3555 Inland Empire Blvd Ontario CA
The price is $119 total per night from Apr 27 to Apr 28
$119 total
per night
Apr 27 - Apr 28
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Ontario Mills Shopping Mall and Ontario Convention Center are located nearby.
8.4/10 Very Good! (2,259 reviews)
Needs improvements

Reviewed on Apr 25, 2026

Opens in a new windowLa Quinta Inn & Suites by Wyndham Ontario Airport
Extended Studio Hotel Ontario

Extended Studio Hotel Ontario

2.5 out of 5
1818 E Holt Blvd Ontario CA
The price is $108 total per night from Apr 29 to Apr 30
$108 total
per night
Apr 29 - Apr 30
Stay at this hotel in Ontario. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff in our reviews. Popular attractions Ontario Convention Center and Ontario Mills Shopping Mall are located nearby.
9.4/10 Exceptional! (1,172 reviews)
Yes

Reviewed on Apr 26, 2026

Opens in a new windowExtended Studio Hotel Ontario
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DoubleTree by Hilton Ontario Airport

DoubleTree by Hilton Ontario Airport

4 out of 5
222 N Vineyard Ave Ontario CA
The price is $140 total per night from May 3 to May 4
$140 total
per night
May 3 - May 4
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, 2 restaurants, and a nightclub. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Ontario Convention Center and Ontario Mills Shopping Mall are located nearby.
8.4/10 Very Good! (1,001 reviews)
Nice, clean room.

Reviewed on Apr 15, 2026

Opens in a new windowDoubleTree by Hilton Ontario Airport
Motel 6 Ontario, CA - Convention Center - Airport

Motel 6 Ontario, CA - Convention Center - Airport

2 out of 5
231 N Vineyard Ave Ontario CA
The price is $82 total per night from Apr 27 to Apr 28
$82 total
per night
Apr 27 - Apr 28
Stay at this motel in Ontario. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Ontario Convention Center and Ontario Mills Shopping Mall are located nearby.
7.2/10 Good! (1,677 reviews)
It was ok

Reviewed on Apr 26, 2026

Opens in a new windowMotel 6 Ontario, CA - Convention Center - Airport
Holiday Inn Ontario Airport by IHG

Holiday Inn Ontario Airport by IHG

3 out of 5
2155 E. Convention Center Way Ontario CA
The price is $144 total per night from May 2 to May 3
$144 total
per night
May 2 - May 3
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Ontario Convention Center and Ontario Mills Shopping Mall are located nearby.
8.6/10 Excellent! (1,307 reviews)
The room was very clean and kept up.

Reviewed on Apr 26, 2026

Opens in a new windowHoliday Inn Ontario Airport by IHG
SureStay Hotel by Best Western Ontario Airport

SureStay Hotel by Best Western Ontario Airport

2.5 out of 5
3201 East Centrelake Drive Ontario CA
The price is $93 total per night from Apr 27 to Apr 28
$93 total
per night
Apr 27 - Apr 28
Stay at this hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Ontario Convention Center and Ontario Mills Shopping Mall are located nearby.
8.2/10 Very Good! (1,006 reviews)
Nice and clean. We only stayed one night. Bed was comfortable.

Reviewed on Apr 24, 2026

Opens in a new windowSureStay Hotel by Best Western Ontario Airport
Comfort Inn & Suites near Ontario Airport

Comfort Inn & Suites near Ontario Airport

2.5 out of 5
3333 Shelby St Ontario CA
The price is $106 total per night from May 3 to May 4
$106 total
per night
May 3 - May 4
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Ontario Mills Shopping Mall and Ontario Convention Center are located nearby.
Opens in a new windowComfort Inn & Suites near Ontario Airport
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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Top Picks

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.