United Flight 4585 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 4585 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $217 and $109 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 22 - Sat, Oct 24
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$217 Roundtrip, found 11 hours ago
$217
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Oct 22 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Oct 24, priced at $217 found 11 hours ago
Thu, Oct 22 - Sat, Oct 24
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$220 Roundtrip, found 11 hours ago
$220
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Oct 22 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Oct 24, priced at $220 found 11 hours ago
Mon, Oct 26 - Thu, Oct 29
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 26 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Thu, Oct 29, priced at $229 found 1 day ago
Wed, Nov 11 - Thu, Nov 12
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$233 Roundtrip, found 2 days ago
$233
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 11 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Thu, Nov 12, priced at $233 found 2 days ago
Mon, Sep 14 - Tue, Sep 15
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$236 Roundtrip, found 14 hours ago
$236
Roundtrip
found 14 hours ago
Select United flight, departing Mon, Sep 14 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Tue, Sep 15, priced at $236 found 14 hours ago
Mon, Sep 14 - Tue, Sep 15
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$240 Roundtrip, found 14 hours ago
$240
Roundtrip
found 14 hours ago
Select United flight, departing Mon, Sep 14 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Tue, Sep 15, priced at $240 found 14 hours ago
Mon, Oct 5 - Sat, Oct 17
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 5 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Oct 17, priced at $241 found 1 day ago
Tue, Sep 8 - Fri, Sep 11
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$252 Roundtrip, found 4 days ago
$252
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 8 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Fri, Sep 11, priced at $252 found 4 days ago

Frequently asked questions

What route does flight number UA4585 take?
Flight number UA4585 flies direct from Chicago, IL Airport (ORD-O'Hare Intl.) to Fayetteville, AR Airport (XNA-Northwest Arkansas Regional). During this journey, you can expect to be in the air for around 1 hour and 52 minutes. Consider booking ahead to lock in your favorite seat.
What terminal does UA4585 fly out of?
Passengers with seats booked on flight number UA4585 from ORD to Northwest Arkansas National Airport usually jet off from Terminal 1.
What kind of plane is on flight number UA4585?
There's every chance you'll be hopping on board the Canadair (Bombardier) Regional Jet 550 if your flight number is UA4585. Generally, this flight takes off from Chicago, IL Airport (ORD-O'Hare Intl.) and comes in to land at Fayetteville, AR Airport (XNA-Northwest Arkansas Regional).
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 UA4585 flight with Travelocity, please visit our Customer Service Portal.