United Flight 6273 Deals & Information (2025/2026)

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United Flight 6273 Route Deals From $127

The cheapest prices found with in the last 7 days for return flights were $247 and $127 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 10 - Sat, Nov 15
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$247 Roundtrip, found 8 hours ago
$247
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Nov 10 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Nov 15, priced at $247 found 8 hours ago
Sat, Nov 1 - Mon, Nov 3
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 1 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Mon, Nov 3, priced at $251 found 4 days ago
Thu, Oct 23 - Sat, Nov 1
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 23 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Nov 1, priced at $269 found 2 days ago
Fri, Nov 14 - Mon, Nov 17
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select United flight, departing Fri, Nov 14 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Mon, Nov 17, priced at $270 found 1 day ago
Mon, Nov 10 - Sat, Nov 15
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$283 Roundtrip, found 8 hours ago
$283
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Nov 10 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Nov 15, priced at $283 found 8 hours ago
Sat, Dec 13 - Mon, Dec 22
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 13 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Mon, Dec 22, priced at $303 found 3 days ago