United Flight 728 Deals & Information (2025/2026)

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United Flight 728 Route Deals From $154

The cheapest prices found with in the last 7 days for return flights were $307 and $154 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 22 - Tue, Jul 29
CMH
John Glenn Columbus Intl.
DEN
Denver Intl.
$307 Roundtrip, found 3 days ago
$307
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 22 from John Glenn Columbus Intl. to Denver Intl., returning Tue, Jul 29, priced at $307 found 3 days ago
Fri, Jul 4 - Sat, Jul 12
CMH
John Glenn Columbus Intl.
DEN
Denver Intl.
$310 Roundtrip, found 16 hours ago
$310
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Jul 4 from John Glenn Columbus Intl. to Denver Intl., returning Sat, Jul 12, priced at $310 found 16 hours ago

Frequently asked questions

What route does flight number UA728 take?
UA728 operates from Liberty Intl. Airport (EWR) to Miami, FL Airport (MIA-Miami Intl.) directly. This trip takes 3 hours and 8 minutes.
What terminal does UA728 fly out of?
Passengers with seats booked on flight number UA728 from Newark Airport to Miami Intl. Airport (MIA) normally jet out of Terminal C.
What kind of plane is on flight number UA728?
The route for UA728 is generally EWR to MIA, and the Boeing 737-800 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 UA728 flight with Travelocity, please visit our Customer Service Portal.