United Flight 440 Deals & Information (2026/2027)

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United Flight 440 Route Deals From $280

The cheapest prices found with in the last 7 days for return flights were $269 and $280 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 14 - Sat, Feb 21
PBI
Palm Beach Intl.
DEN
Denver Intl.
$269 Roundtrip, found 21 hours ago
$269
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Feb 14 from Palm Beach Intl. to Denver Intl., returning Sat, Feb 21, priced at $269 found 21 hours ago
Sat, Nov 14 - Sun, Nov 15
PBI
Palm Beach Intl.
DEN
Denver Intl.
$277 Roundtrip, found 13 hours ago
$277
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Nov 14 from Palm Beach Intl. to Denver Intl., returning Sun, Nov 15, priced at $277 found 13 hours ago
Fri, Feb 13 - Tue, Feb 17
PBI
Palm Beach Intl.
DEN
Denver Intl.
$283 Roundtrip, found 8 hours ago
$283
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Feb 13 from Palm Beach Intl. to Denver Intl., returning Tue, Feb 17, priced at $283 found 8 hours ago

Frequently asked questions

What route does flight number UA440 take?
UA440 operates from Orlando, FL Airport (MCO-Orlando Intl.) to DEN directly. This trip usually takes 4 hours and 7 minutes.
What kind of plane is on flight number UA440?
The route for UA440 is nearly always Orlando Intl. Airport to DEN, and the Boeing 737 MAX 9 is the type of plane you're likely to be taking off on.
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 UA440 flight with Travelocity, please visit our Customer Service Portal.