United Flight UA4821 Deals & Information (2025/2026)

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United Flight 4821 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $209 and $209 for one-way flights to Rick Husband Amarillo Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 19 - Mon, Dec 22
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$209 Roundtrip, found 6 days ago
$209
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 19 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Mon, Dec 22, priced at $209 found 6 days ago
Fri, Dec 19 - Mon, Dec 22
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$238 Roundtrip, found 6 days ago
$238
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 19 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Mon, Dec 22, priced at $238 found 6 days ago
Fri, Dec 19 - Mon, Dec 22
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 19 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Mon, Dec 22, priced at $279 found 6 days ago
Fri, Oct 3 - Thu, Oct 9
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 3 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Thu, Oct 9, priced at $292 found 3 days ago
Fri, Dec 19 - Mon, Dec 22
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 19 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Mon, Dec 22, priced at $303 found 6 days ago
Fri, Oct 3 - Thu, Oct 9
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$363 Roundtrip, found 3 days ago
$363
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 3 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Thu, Oct 9, priced at $363 found 3 days ago

Frequently asked questions

What route does flight number UA4821 take?
UA4821 is used on a range of routes. Most often, UA4821 flies straight from Laredo Intl. Airport (LRD) to George Bush Intercontinental Airport (IAH). If that's your chosen flight path, you'll be airborne for around 1 hour and 22 minutes.
What kind of plane is on flight number UA4821?
UA4821 is a flight number that is used on multiple routes. If you have a ticket on the most common route, Laredo Intl. Airport (LRD) to George Bush Intercontinental Airport (IAH), there's a strong chance you'll be hopping aboard an Embraer ERJ.
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 UA4821 flight with Travelocity, please visit our Customer Service Portal.