United Flight 4030 Deals & Information (2026/2027)

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United Flight 4030 Route Deals From $215

The cheapest prices found with in the last 7 days for return flights were $274 and $215 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 19 - Sat, May 23
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$274 Roundtrip, found 14 hours ago
$274
Roundtrip
found 14 hours ago
Select United flight, departing Tue, May 19 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Sat, May 23, priced at $274 found 14 hours ago
Sat, May 16 - Sat, May 23
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 16 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Sat, May 23, priced at $281 found 5 days ago
Tue, May 19 - Sat, May 23
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$297 Roundtrip, found 14 hours ago
$297
Roundtrip
found 14 hours ago
Select United flight, departing Tue, May 19 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Sat, May 23, priced at $297 found 14 hours ago
Thu, Aug 6 - Mon, Aug 10
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$305 Roundtrip, found 4 hours ago
$305
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Aug 6 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Mon, Aug 10, priced at $305 found 4 hours ago
Sat, Apr 18 - Tue, Apr 21
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$309 Roundtrip, found 3 days ago
$309
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 18 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Tue, Apr 21, priced at $309 found 3 days ago
Sat, May 16 - Sat, May 23
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$325 Roundtrip, found 5 days ago
$325
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 16 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Sat, May 23, priced at $325 found 5 days ago
Tue, May 19 - Sat, May 23
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$356 Roundtrip, found 14 hours ago
$356
Roundtrip
found 14 hours ago
Select United flight, departing Tue, May 19 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Sat, May 23, priced at $356 found 14 hours ago
Thu, Aug 6 - Mon, Aug 10
GSP
Greenville-Spartanburg Intl.
IAH
George Bush Intercontinental
$361 Roundtrip, found 4 hours ago
$361
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Aug 6 from Greenville-Spartanburg Intl. to George Bush Intercontinental, returning Mon, Aug 10, priced at $361 found 4 hours ago