United Flight 5123 Deals & Information (2025/2026)

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United Flight 5123 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $512 and $214 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 12 - Sun, Oct 19
COD
Yellowstone Regional
DEN
Denver Intl.
$512 Roundtrip, found 5 hours ago
$512
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Oct 12 from Yellowstone Regional to Denver Intl., returning Sun, Oct 19, priced at $512 found 5 hours ago
Sun, Oct 12 - Sun, Oct 19
COD
Yellowstone Regional
DEN
Denver Intl.
$538 Roundtrip, found 5 hours ago
$538
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Oct 12 from Yellowstone Regional to Denver Intl., returning Sun, Oct 19, priced at $538 found 5 hours ago
Sun, Oct 12 - Sun, Oct 19
COD
Yellowstone Regional
DEN
Denver Intl.
$547 Roundtrip, found 5 hours ago
$547
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Oct 12 from Yellowstone Regional to Denver Intl., returning Sun, Oct 19, priced at $547 found 5 hours ago
Sun, Oct 12 - Sun, Oct 19
COD
Yellowstone Regional
DEN
Denver Intl.
$572 Roundtrip, found 5 hours ago
$572
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Oct 12 from Yellowstone Regional to Denver Intl., returning Sun, Oct 19, priced at $572 found 5 hours ago
Wed, Aug 27 - Fri, Aug 29
COD
Yellowstone Regional
DEN
Denver Intl.
$626 Roundtrip, found 1 day ago
$626
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 27 from Yellowstone Regional to Denver Intl., returning Fri, Aug 29, priced at $626 found 1 day ago
Sun, Oct 12 - Sun, Oct 19
COD
Yellowstone Regional
DEN
Denver Intl.
$930 Roundtrip, found 5 hours ago
$930
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Oct 12 from Yellowstone Regional to Denver Intl., returning Sun, Oct 19, priced at $930 found 5 hours ago
Sun, Oct 12 - Sun, Oct 19
COD
Yellowstone Regional
DEN
Denver Intl.
$958 Roundtrip, found 5 hours ago
$958
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Oct 12 from Yellowstone Regional to Denver Intl., returning Sun, Oct 19, priced at $958 found 5 hours ago

Frequently asked questions

What route does flight number UA5123 take?
You'll be landing into PAH from Chicago, IL Airport (ORD-O'Hare Intl.) if you're traveling on flight number UA5123. You'll be in the air for 1 hour and 17 minutes during this trip. What's more, the flight conveniently travels non-stop.
What terminal does UA5123 fly out of?
Travelers on flight number UA5123 from Chicago, IL Airport (ORD-O'Hare Intl.) to Barkley Regional Airport (PAH) typically jet off from Terminal 2.
What kind of plane is on flight number UA5123?
The Bombardier CRJ is the aircraft most commonly used for flight number UA5123. More often than not, this flight heads off from O'Hare Intl. Airport (ORD) and comes in to land at PAH.
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 UA5123 flight with Travelocity, please visit our Customer Service Portal.