United Flight 4821 Deals & Information (2025/2026)

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United Flight 4821 Route Deals From $179

The cheapest prices found with in the last 7 days for return flights were $209 and $179 for one-way flights to Rick Husband Amarillo Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Sun, Nov 23
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$209 Roundtrip, found 6 hours ago
$209
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Nov 13 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Nov 23, priced at $209 found 6 hours ago
Fri, Sep 26 - Mon, Sep 29
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 26 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Mon, Sep 29, priced at $223 found 1 day ago
Mon, Oct 6 - Sun, Oct 12
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$231 Roundtrip, found 6 days ago
$231
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 6 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Oct 12, priced at $231 found 6 days ago
Thu, Sep 18 - Sun, Sep 21
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$234 Roundtrip, found 5 days ago
$234
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 18 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Sep 21, priced at $234 found 5 days ago
Mon, Oct 6 - Sun, Oct 12
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 6 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Oct 12, priced at $244 found 6 days ago
Thu, Nov 13 - Sun, Nov 23
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$279 Roundtrip, found 6 hours ago
$279
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Nov 13 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Nov 23, priced at $279 found 6 hours ago
Thu, Nov 13 - Sun, Nov 23
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$293 Roundtrip, found 6 hours ago
$293
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Nov 13 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Nov 23, priced at $293 found 6 hours ago
Fri, Sep 26 - Mon, Sep 29
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 26 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Mon, Sep 29, priced at $295 found 1 day ago
Fri, Sep 26 - Wed, Oct 1
IAH
George Bush Intercontinental
AMA
Rick Husband Amarillo Intl.
$296 Roundtrip, found 3 days ago
$296
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 26 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Wed, Oct 1, priced at $296 found 3 days ago
Mon, Oct 6 - Sun, Oct 12
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 Mon, Oct 6 from George Bush Intercontinental to Rick Husband Amarillo Intl., returning Sun, Oct 12, priced at $303 found 6 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.