United Flight 5572 Deals & Information (2025/2026)

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United Flight 5572 Route Deals From $137

The cheapest prices found with in the last 7 days for return flights were $147 and $137 for one-way flights to San Antonio Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $147 found 3 days ago
Fri, Aug 1 - Mon, Aug 4
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 1 from George Bush Intercontinental to San Antonio Intl., returning Mon, Aug 4, priced at $177 found 5 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$177 Roundtrip, found 3 days ago
$177
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $177 found 3 days ago
Fri, Aug 1 - Mon, Aug 4
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 1 from George Bush Intercontinental to San Antonio Intl., returning Mon, Aug 4, priced at $192 found 5 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $198 found 3 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$200 Roundtrip, found 3 days ago
$200
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $200 found 3 days ago
Fri, Aug 1 - Mon, Aug 4
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 1 from George Bush Intercontinental to San Antonio Intl., returning Mon, Aug 4, priced at $207 found 5 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$208 Roundtrip, found 3 days ago
$208
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $208 found 3 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $223 found 3 days ago
Wed, Aug 13 - Fri, Aug 15
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$226 Roundtrip, found 6 days ago
$226
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 13 from George Bush Intercontinental to San Antonio Intl., returning Fri, Aug 15, priced at $226 found 6 days ago
Tue, Jul 22 - Wed, Jul 23
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 22 from George Bush Intercontinental to San Antonio Intl., returning Wed, Jul 23, priced at $239 found 5 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $244 found 3 days ago
Fri, Aug 1 - Mon, Aug 4
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$253 Roundtrip, found 5 days ago
$253
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 1 from George Bush Intercontinental to San Antonio Intl., returning Mon, Aug 4, priced at $253 found 5 days ago
Fri, Aug 15 - Wed, Aug 20
IAH
George Bush Intercontinental
SAT
San Antonio Intl.
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from George Bush Intercontinental to San Antonio Intl., returning Wed, Aug 20, priced at $254 found 3 days ago

Frequently asked questions

What route does flight number UA5572 take?
You'll be landing at San Francisco Intl. Airport (SFO) from Los Angeles - Ontario Intl. Airport (ONT) if you've booked a ticket on flight number UA5572. You'll be in the sky for 1 hour and 31 minutes during this trip. What's more, the flight conveniently travels non-stop.
How often is UA5572 on time?
Around 96% of UA5572 flights arrive on time --- so if you're taking to the skies from ONT to San Francisco Airport, you can rest easy knowing that you'll get where you need to ASAP. On the rare occasion that your United Airlines plane experiences a delay, you're likely to wait approximately 19 minutes. Because of the air carrier's top-notch service, this route has a star rating of 4.15.
What terminal does UA5572 fly out of?
Direct flights between Ontario Airport and San Francisco Intl. Airport (SFO) are served by UA5572, and passengers booked on this flight usually leave from Terminal 2.
What kind of plane is on flight number UA5572?
Get set to jump on board an Embraer 175 if your flight number is UA5572. Most services from ONT to San Francisco Airport are operated using this type of plane.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA5572 flight with Travelocity, please visit our Customer Service Portal.