United Flight UA1451 Deals & Information (2025/2026)

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United Flight 1451 Route Deals From $95

The cheapest prices found with in the last 7 days for return flights were $244 and $95 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Wed, Oct 8
MTJ
Montrose Regional
DEN
Denver Intl.
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Wed, Oct 8, priced at $244 found 6 days ago
Tue, Oct 7 - Thu, Oct 16
MTJ
Montrose Regional
DEN
Denver Intl.
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Thu, Oct 16, priced at $246 found 3 days ago
Tue, Oct 7 - Thu, Oct 16
MTJ
Montrose Regional
DEN
Denver Intl.
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Thu, Oct 16, priced at $246 found 3 days ago
Tue, Oct 7 - Wed, Oct 8
MTJ
Montrose Regional
DEN
Denver Intl.
$262 Roundtrip, found 6 days ago
$262
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Wed, Oct 8, priced at $262 found 6 days ago
Tue, Oct 7 - Thu, Oct 16
MTJ
Montrose Regional
DEN
Denver Intl.
$265 Roundtrip, found 3 days ago
$265
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Thu, Oct 16, priced at $265 found 3 days ago
Tue, Oct 7 - Wed, Oct 8
MTJ
Montrose Regional
DEN
Denver Intl.
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Wed, Oct 8, priced at $268 found 6 days ago
Fri, Nov 14 - Sun, Nov 23
MTJ
Montrose Regional
DEN
Denver Intl.
$270 Roundtrip, found 4 days ago
$270
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 14 from Montrose Regional to Denver Intl., returning Sun, Nov 23, priced at $270 found 4 days ago
Tue, Oct 7 - Wed, Oct 8
MTJ
Montrose Regional
DEN
Denver Intl.
$273 Roundtrip, found 6 days ago
$273
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Wed, Oct 8, priced at $273 found 6 days ago
Tue, Oct 7 - Thu, Oct 16
MTJ
Montrose Regional
DEN
Denver Intl.
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Thu, Oct 16, priced at $274 found 3 days ago
Tue, Oct 7 - Thu, Oct 16
MTJ
Montrose Regional
DEN
Denver Intl.
$286 Roundtrip, found 3 days ago
$286
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Montrose Regional to Denver Intl., returning Thu, Oct 16, priced at $286 found 3 days 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.