United Flight 5255 Deals & Information (2026/2027)

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United Flight 5255 Route Deals From $129

The cheapest prices found with in the last 7 days for return flights were $261 and $129 for one-way flights to Valley Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 1 - Mon, Oct 5
IAH
George Bush Intercontinental
HRL
Valley Intl.
$261 Roundtrip, found 4 days ago
$261
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 1 from George Bush Intercontinental to Valley Intl., returning Mon, Oct 5, priced at $261 found 4 days ago
Thu, Oct 8 - Mon, Oct 12
IAH
George Bush Intercontinental
HRL
Valley Intl.
$269 Roundtrip, found 4 days ago
$269
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from George Bush Intercontinental to Valley Intl., returning Mon, Oct 12, priced at $269 found 4 days ago
Thu, Oct 1 - Sun, Oct 4
IAH
George Bush Intercontinental
HRL
Valley Intl.
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 1 from George Bush Intercontinental to Valley Intl., returning Sun, Oct 4, priced at $282 found 4 days ago
Thu, Oct 8 - Thu, Oct 15
IAH
George Bush Intercontinental
HRL
Valley Intl.
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 8 from George Bush Intercontinental to Valley Intl., returning Thu, Oct 15, priced at $289 found 5 days ago
Thu, Sep 24 - Thu, Oct 1
IAH
George Bush Intercontinental
HRL
Valley Intl.
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 24 from George Bush Intercontinental to Valley Intl., returning Thu, Oct 1, priced at $291 found 3 days ago
Thu, Oct 8 - Mon, Oct 12
IAH
George Bush Intercontinental
HRL
Valley Intl.
$293 Roundtrip, found 4 days ago
$293
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from George Bush Intercontinental to Valley Intl., returning Mon, Oct 12, priced at $293 found 4 days ago
Thu, Sep 24 - Thu, Oct 1
IAH
George Bush Intercontinental
HRL
Valley Intl.
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 24 from George Bush Intercontinental to Valley Intl., returning Thu, Oct 1, priced at $295 found 3 days ago
Thu, Oct 8 - Mon, Oct 12
IAH
George Bush Intercontinental
HRL
Valley Intl.
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from George Bush Intercontinental to Valley Intl., returning Mon, Oct 12, priced at $297 found 4 days ago
Thu, Oct 8 - Thu, Oct 15
IAH
George Bush Intercontinental
HRL
Valley Intl.
$302 Roundtrip, found 5 days ago
$302
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 8 from George Bush Intercontinental to Valley Intl., returning Thu, Oct 15, priced at $302 found 5 days ago
Fri, Sep 25 - Sat, Sep 26
IAH
George Bush Intercontinental
HRL
Valley Intl.
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 25 from George Bush Intercontinental to Valley Intl., returning Sat, Sep 26, priced at $303 found 3 days ago

Frequently asked questions

What route does flight number UA5255 take?
UA5255 is used on multiple routes, but the most common is between DRO and DEN. If your flight goes direct, you'll touch down in 1 hour and 18 minutes. Multi-stop flights can also travel under the same number, as can services on other routes.
What kind of plane is on flight number UA5255?
It's highly likely you'll be enjoying the services of the Bombardier CRJ if you've booked a fare on flight number UA5255 from Durango-La Plata County Airport to DIA airport. This is the most commonly used aircraft on this 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 UA5255 flight with Travelocity, please visit our Customer Service Portal.