United Flight 575 Deals & Information (2025/2026)

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United Flight 575 Route Deals From $68

The cheapest prices found with in the last 7 days for return flights were $133 and $68 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 11 - Tue, Oct 14
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$133 Roundtrip, found 2 hours ago
$133
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 11 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Tue, Oct 14, priced at $133 found 2 hours ago
Sat, Oct 25 - Sat, Nov 1
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$141 Roundtrip, found 12 hours ago
$141
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 25 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Sat, Nov 1, priced at $141 found 12 hours ago
Sat, Oct 11 - Tue, Oct 14
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$148 Roundtrip, found 2 hours ago
$148
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 11 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Tue, Oct 14, priced at $148 found 2 hours ago
Wed, Oct 8 - Mon, Oct 13
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$152 Roundtrip, found 2 hours ago
$152
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Oct 8 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Mon, Oct 13, priced at $152 found 2 hours ago

Frequently asked questions

What route does flight number UA575 take?
UA575 is used on multiple routes. Mostly, UA575 flies straight from O'Hare Airport to San Antonio Airport. If you have a ticket on this route, you'll be traveling for about 2 hours and 46 minutes.
What terminal does UA575 fly out of?
If you're setting off from ORD, there's every chance you'll board the aircraft from Terminal 1. The most frequented route for UA575 is ORD to San Antonio, TX Airport (SAT-San Antonio Intl.), which is a nonstop flight.
What kind of plane is on flight number UA575?
Chances are you'll be aboard a Boeing 737-700 if you're jetting from Chicago, IL Airport (ORD-O'Hare Intl.) to San Antonio Intl. Airport (SAT), one route used for flight number UA575.
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 UA575 flight with Travelocity, please visit our Customer Service Portal.