United Flight 3998 Deals & Information (2025/2026)

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United Flight 3998 Route Deals From $93

The cheapest prices found with in the last 7 days for return flights were $233 and $93 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 19 - Sat, Feb 28
COS
Colorado Springs
IAH
George Bush Intercontinental
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 19 from Colorado Springs to George Bush Intercontinental, returning Sat, Feb 28, priced at $233 found 3 days ago
Thu, Feb 19 - Sat, Feb 28
COS
Colorado Springs
IAH
George Bush Intercontinental
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 19 from Colorado Springs to George Bush Intercontinental, returning Sat, Feb 28, priced at $238 found 3 days ago
Thu, Jan 8 - Sun, Jan 11
COS
Colorado Springs
IAH
George Bush Intercontinental
$261 Roundtrip, found 6 days ago
$261
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 8 from Colorado Springs to George Bush Intercontinental, returning Sun, Jan 11, priced at $261 found 6 days ago
Thu, Jan 8 - Sun, Jan 11
COS
Colorado Springs
IAH
George Bush Intercontinental
$263 Roundtrip, found 6 days ago
$263
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 8 from Colorado Springs to George Bush Intercontinental, returning Sun, Jan 11, priced at $263 found 6 days ago
Thu, Feb 19 - Sat, Feb 28
COS
Colorado Springs
IAH
George Bush Intercontinental
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 19 from Colorado Springs to George Bush Intercontinental, returning Sat, Feb 28, priced at $268 found 3 days ago
Thu, Jan 8 - Sun, Jan 11
COS
Colorado Springs
IAH
George Bush Intercontinental
$270 Roundtrip, found 6 days ago
$270
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 8 from Colorado Springs to George Bush Intercontinental, returning Sun, Jan 11, priced at $270 found 6 days ago
Thu, Feb 19 - Sat, Feb 28
COS
Colorado Springs
IAH
George Bush Intercontinental
$273 Roundtrip, found 3 days ago
$273
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 19 from Colorado Springs to George Bush Intercontinental, returning Sat, Feb 28, priced at $273 found 3 days ago
Thu, Jan 29 - Sun, Feb 1
COS
Colorado Springs
IAH
George Bush Intercontinental
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jan 29 from Colorado Springs to George Bush Intercontinental, returning Sun, Feb 1, priced at $281 found 3 days ago
Thu, Feb 19 - Sat, Feb 28
COS
Colorado Springs
IAH
George Bush Intercontinental
$286 Roundtrip, found 3 days ago
$286
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 19 from Colorado Springs to George Bush Intercontinental, returning Sat, Feb 28, priced at $286 found 3 days ago
Thu, Jan 8 - Sun, Jan 11
COS
Colorado Springs
IAH
George Bush Intercontinental
$292 Roundtrip, found 6 days ago
$292
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 8 from Colorado Springs to George Bush Intercontinental, returning Sun, Jan 11, priced at $292 found 6 days ago