United Flight 128 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 128 Route Deals From $2,376

The cheapest prices found with in the last 7 days for return flights were $3,159 and $2,376 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 17 - Fri, May 1
GIG
Galeão - Antonio Carlos Jobim Intl.
IAH
George Bush Intercontinental
$3,159 Roundtrip, found 1 day ago
$3,159
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 17 from Galeão - Antonio Carlos Jobim Intl. to George Bush Intercontinental, returning Fri, May 1, priced at $3,159 found 1 day ago

Frequently asked questions

What route does flight number UA128 take?
You'll be touching down at Houston Airport from GIG if you're traveling on flight number UA128. You'll be in the sky for 10 hours and 25 minutes on this trip. It's also good to note that it conveniently travels direct.
How often is UA128 on time?
About 83% of UA128 flights arrive on time — so if you're flying between GIG and Houston, TX Airport (IAH-George Bush Intercontinental), you can kick back knowing that you'll land at your destination ASAP. In the rare instance that this United Airlines journey encounters a delay, you can expect to wait roughly 15 minutes. Due to the air carrier's excellent service, this route has a 2.95-star rating.
What terminal does UA128 fly out of?
Flights to and from Rio de Janeiro Airport (GIG-Galeao - Antonio Carlos Jobim Intl.) and George Bush Intercontinental Airport (IAH) are served by UA128, and passengers booked on this route typically depart from Terminal 2.
What kind of plane is on flight number UA128?
Expect to hop on board a Boeing 767-300 if you're taking off on flight UA128. Almost all services from Galeão Intl. Airport to Houston, TX Airport (IAH-George Bush Intercontinental) are operated using this kind of aircraft.
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 UA128 flight with Travelocity, please visit our Customer Service Portal.