United Flight 5455 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 5455 Route Deals From $264

The cheapest prices found with in the last 7 days for return flights were $269 and $264 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 9 - Wed, Sep 16
PIA
Greater Peoria Regional
DEN
Denver Intl.
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 9 from Greater Peoria Regional to Denver Intl., returning Wed, Sep 16, priced at $269 found 5 days ago
Tue, Nov 17 - Mon, Nov 23
PIA
Greater Peoria Regional
DEN
Denver Intl.
$279 Roundtrip, found 23 hours ago
$279
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Nov 17 from Greater Peoria Regional to Denver Intl., returning Mon, Nov 23, priced at $279 found 23 hours ago
Tue, Nov 17 - Mon, Nov 23
PIA
Greater Peoria Regional
DEN
Denver Intl.
$292 Roundtrip, found 23 hours ago
$292
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Nov 17 from Greater Peoria Regional to Denver Intl., returning Mon, Nov 23, priced at $292 found 23 hours ago
Tue, Nov 17 - Mon, Nov 23
PIA
Greater Peoria Regional
DEN
Denver Intl.
$297 Roundtrip, found 23 hours ago
$297
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Nov 17 from Greater Peoria Regional to Denver Intl., returning Mon, Nov 23, priced at $297 found 23 hours ago
Tue, Nov 17 - Mon, Nov 23
PIA
Greater Peoria Regional
DEN
Denver Intl.
$299 Roundtrip, found 23 hours ago
$299
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Nov 17 from Greater Peoria Regional to Denver Intl., returning Mon, Nov 23, priced at $299 found 23 hours ago
Tue, Nov 17 - Mon, Nov 23
PIA
Greater Peoria Regional
DEN
Denver Intl.
$302 Roundtrip, found 23 hours ago
$302
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Nov 17 from Greater Peoria Regional to Denver Intl., returning Mon, Nov 23, priced at $302 found 23 hours ago
Fri, Jul 3 - Tue, Jul 7
PIA
Greater Peoria Regional
DEN
Denver Intl.
$306 Roundtrip, found 5 days ago
$306
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jul 3 from Greater Peoria Regional to Denver Intl., returning Tue, Jul 7, priced at $306 found 5 days ago
Tue, Nov 17 - Mon, Nov 23
PIA
Greater Peoria Regional
DEN
Denver Intl.
$307 Roundtrip, found 23 hours ago
$307
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Nov 17 from Greater Peoria Regional to Denver Intl., returning Mon, Nov 23, priced at $307 found 23 hours ago
Fri, Jul 31 - Tue, Aug 4
PIA
Greater Peoria Regional
DEN
Denver Intl.
$315 Roundtrip, found 1 day ago
$315
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 31 from Greater Peoria Regional to Denver Intl., returning Tue, Aug 4, priced at $315 found 1 day ago
Wed, Sep 9 - Wed, Sep 16
PIA
Greater Peoria Regional
DEN
Denver Intl.
$325 Roundtrip, found 5 days ago
$325
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 9 from Greater Peoria Regional to Denver Intl., returning Wed, Sep 16, priced at $325 found 5 days ago

Frequently asked questions

What route does flight number UA5455 take?
UA5455 flies directly between O'Hare Airport and Boise, ID Airport (BOI) in approximately 3 hours and 56 minutes. It can take other routes though, some of which may be multi-stop flights. Keep this in mind when booking your airfare to avoid any mix-ups.
What terminal does UA5455 fly out of?
UA5455 flights from O'Hare Airport normally head off from Terminal 2. This flight number runs on several routes, but the most popular one is O'Hare Airport to Boise Airport (BOI).
What kind of plane is on flight number UA5455?
You're likely to be climbing aboard an Embraer 175 if you've reserved a seat on flight UA5455 from O'Hare Intl. Airport (ORD) to Boise Airport (BOI). This is the most commonly used type of plane on this popular route.
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 UA5455 flight with Travelocity, please visit our Customer Service Portal.