United Flight 5500 Deals & Information (2026/2027)

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United Flight 5500 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $209 and $224 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 30 - Mon, May 4
MSO
Missoula Intl.
DEN
Denver Intl.
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Thu, Apr 30 from Missoula Intl. to Denver Intl., returning Mon, May 4, priced at $209 just found
Fri, Feb 27 - Sun, Mar 1
MSO
Missoula Intl.
DEN
Denver Intl.
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select United flight, departing Fri, Feb 27 from Missoula Intl. to Denver Intl., returning Sun, Mar 1, priced at $214 found 2 days ago
Thu, Apr 30 - Mon, May 4
MSO
Missoula Intl.
DEN
Denver Intl.
$261 Roundtrip, just found
$261
Roundtrip
just found
Select United flight, departing Thu, Apr 30 from Missoula Intl. to Denver Intl., returning Mon, May 4, priced at $261 just found
Thu, Apr 30 - Mon, May 4
MSO
Missoula Intl.
DEN
Denver Intl.
$281 Roundtrip, just found
$281
Roundtrip
just found
Select United flight, departing Thu, Apr 30 from Missoula Intl. to Denver Intl., returning Mon, May 4, priced at $281 just found
Sun, Jan 11 - Sun, Jan 18
MSO
Missoula Intl.
DEN
Denver Intl.
$287 Roundtrip, found 3 days ago
$287
Roundtrip
found 3 days ago
Select United flight, departing Sun, Jan 11 from Missoula Intl. to Denver Intl., returning Sun, Jan 18, priced at $287 found 3 days ago

Frequently asked questions

What route does flight number UA5500 take?
UA5500 operates direct from Houston Airport to Pitkin County Airport (ASE). During this trip, you'll be in the air for about 2 hours and 35 minutes. Consider booking ahead to lock in your preferred seat.
What terminal does UA5500 fly out of?
You'll likely be boarding the plane from Terminal B if you're booked on flight UA5500 direct from George Bush Intercontinental Airport (IAH) to ASE.
What kind of plane is on flight number UA5500?
The route for flight number UA5500 is most commonly George Bush Intercontinental Airport (IAH) to Pitkin County Airport (ASE), and the Bombardier CRJ700 is the type of aircraft you're likely to be traveling aboard.
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 UA5500 flight with Travelocity, please visit our Customer Service Portal.