United Flight 575 Deals & Information (2025/2026)

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United Flight 575 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $139 and $70 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 8 - Sat, Oct 11
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 8 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Sat, Oct 11, priced at $139 found 1 day ago
Sat, Sep 6 - Mon, Sep 8
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$148 Roundtrip, found 14 hours ago
$148
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Sep 6 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Mon, Sep 8, priced at $148 found 14 hours ago
Fri, Sep 26 - Mon, Sep 29
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$168 Roundtrip, found 1 hour ago
$168
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 26 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Mon, Sep 29, priced at $168 found 1 hour 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.