$80 Cheap United flights Miami (MIA) to Denver (DEN)

View $80 flight on Tue, Sep 23, 2025Opens in a new window

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$80 Cheap United flights Miami (MIA) to Denver (DEN)

Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 24 - Sat, Sep 27
MIA
Miami
DEN
Denver
$159 Roundtrip, just found
$159
Roundtrip
just found
Select United flight, departing Wed, Sep 24 from Miami to Denver, returning Sat, Sep 27, priced at $159 just found
Flights from Miami (MIA) to Denver (DEN)
Origin airport
Miami Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
American Airlines
Distance
1707 mi
Average flight time
3 hours 22 mins

Frequently asked questions

How much is a United Airlines flight from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from $159 from MIA to DEN. Affordable one-way options from $80 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MIA to DEN with United Airlines?
United Airlines flights to Denver are often more affordable in the quieter months of January and November. Whether you're in search of a round-trip or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN) with United Airlines?
Begin your search one to three months ahead of your departure date to score cheaper fares on United Airlines flights from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN)?
Book a seat on one of United Airlines's 22 direct weekly flights from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN). To see what's available, enter your origin, dates and destination and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from MIA to DEN with United Airlines?
Depart Miami Intl. Airport (MIA) for Denver Intl. Airport (DEN) on a nonstop United Airlines flight, and you'll be in the sky for around 4h 36m.
Which day of the week has the most United Airlines flights from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN)?
If flexibility is what you're after, Saturday offers the most choice for United Airlines flights from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN). You can pick from 4 different departures.
What is the earliest United Airlines flight from MIA to DEN?
The earliest United Airlines flight from MIA to DEN departs at 7:30AM UTC-5, landing at 10:08AM UTC-7. If you want to jet off later in the day, the last United Airlines flight leaves MIA at 8:55PM UTC-5 and lands at DEN at 11:36PM UTC-7. Flying before noon is generally a smart choice as morning flights are least likely to face cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Denver?
United Airlines flights from Miami Intl. Airport (MIA) to Denver land at Denver Intl. Airport (DEN). This is the main entry point here.
Why fly with United Airlines from MIA to DEN?
With a rewarding loyalty program, United Airlines is a favorite of many travelers heading from MIA to DEN. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN)?
United Airlines typically flies Boeing 737-900 planes for flights from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN). This carrier also operates the Boeing 737-800 on this route. Remember that aircraft type can vary depending on operational requirements, so the plane you catch might be different when you travel.
Can I change or cancel my United Airlines flight from Miami Intl. Airport (MIA) to Denver Intl. Airport (DEN)?
Depending on your fare type, a fee generally applies if you change or cancel your booking more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "No cancel fee" or "Changes included" filter while looking for flights. For additional information on modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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