United Flight 1451 Deals & Information (2025/2026)

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United Flight 1451 Route Deals From $51

The cheapest prices found with in the last 7 days for return flights were $117 and $51 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 30 - Sat, Nov 1
MTJ
Montrose Regional
DEN
Denver Intl.
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Montrose Regional to Denver Intl., returning Sat, Nov 1, priced at $117 found 1 day ago
Fri, Oct 10 - Mon, Oct 13
MTJ
Montrose Regional
DEN
Denver Intl.
$136 Roundtrip, found 2 days ago
$136
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Montrose Regional to Denver Intl., returning Mon, Oct 13, priced at $136 found 2 days ago
Thu, Oct 30 - Sat, Nov 1
MTJ
Montrose Regional
DEN
Denver Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Montrose Regional to Denver Intl., returning Sat, Nov 1, priced at $177 found 1 day ago
Fri, Oct 10 - Mon, Oct 13
MTJ
Montrose Regional
DEN
Denver Intl.
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Montrose Regional to Denver Intl., returning Mon, Oct 13, priced at $184 found 2 days ago
Thu, Oct 30 - Sat, Nov 1
MTJ
Montrose Regional
DEN
Denver Intl.
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Montrose Regional to Denver Intl., returning Sat, Nov 1, priced at $186 found 1 day ago
Thu, Oct 30 - Sat, Nov 1
MTJ
Montrose Regional
DEN
Denver Intl.
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Montrose Regional to Denver Intl., returning Sat, Nov 1, priced at $189 found 1 day ago
Thu, Oct 30 - Sat, Nov 1
MTJ
Montrose Regional
DEN
Denver Intl.
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Montrose Regional to Denver Intl., returning Sat, Nov 1, priced at $192 found 1 day ago
Fri, Oct 10 - Mon, Oct 13
MTJ
Montrose Regional
DEN
Denver Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Montrose Regional to Denver Intl., returning Mon, Oct 13, priced at $197 found 2 days ago
Fri, Nov 14 - Sun, Nov 23
MTJ
Montrose Regional
DEN
Denver Intl.
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Nov 14 from Montrose Regional to Denver Intl., returning Sun, Nov 23, priced at $202 found 5 hours ago
Thu, Oct 30 - Sat, Nov 1
MTJ
Montrose Regional
DEN
Denver Intl.
$208 Roundtrip, found 1 day ago
$208
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 30 from Montrose Regional to Denver Intl., returning Sat, Nov 1, priced at $208 found 1 day ago

Frequently asked questions

What route does flight number UA1451 take?
Flight number UA1451 takes around 2 hours and 28 minutes to fly non-stop from Cozumel Intl. Airport to Houston, TX Airport (IAH-George Bush Intercontinental). We all know there's magic in the destination, but getting there is half the fun!
How often is UA1451 on time?
For those flying on United Airlines flight number UA1451 between CZM and Houston, TX Airport (IAH-George Bush Intercontinental), 100% of these services land according to schedule. In the rare event of a delay, you can expect to wait approximately 5 minutes on average. Thanks to this airline's first-rate service, this trip has earned a 4.2-star rating.
What kind of plane is on flight number UA1451?
The Boeing 737-800 is the plane most commonly used for flight number UA1451. Typically, this flight leaves from Cozumel, Quintana Roo Airport (CZM-Cozumel Intl.) and lands at George Bush Intercontinental Airport (IAH).
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 UA1451 flight with Travelocity, please visit our Customer Service Portal.