United Flight 5644 Deals & Information (2025/2026)

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United Flight 5644 Route Deals From $65

The cheapest prices found with in the last 7 days for return flights were $149 and $65 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$149 Roundtrip, found 1 day ago
$149
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $149 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$165 Roundtrip, found 1 day ago
$165
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $165 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$196 Roundtrip, found 1 day ago
$196
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $196 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $211 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $214 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $230 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $245 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $261 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $270 found 1 day ago
Thu, Jan 22 - Sat, Jan 24
LBB
Preston Smith Intl.
IAH
George Bush Intercontinental
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Preston Smith Intl. to George Bush Intercontinental, returning Sat, Jan 24, priced at $276 found 1 day ago