$69 Cheap United flights Denver (DEN) to Las Vegas (LAS)

View $69 flight on Sat, Oct 11, 2025Opens in a new window

$69 Cheap United flights Denver (DEN) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $69 for one-way flights and $115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 25 - Thu, Oct 30
DEN
Denver
LAS
Las Vegas
$115 Roundtrip, found 10 hours ago
$115
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 25 from Denver to Las Vegas, returning Thu, Oct 30, priced at $115 found 10 hours ago
United
Wed, Oct 1 - Wed, Oct 8
DEN
Denver
LAS
Las Vegas
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Wed, Oct 1 from Denver to Las Vegas, returning Wed, Oct 8, priced at $137 just found
0
Flights from Denver (DEN) to Las Vegas (LAS)
Origin airport
Denver Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
626 mi

Frequently asked questions

How much is a United Airlines flight from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
You can find affordable return United Airlines flights from $115 from DEN to LAS by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $69 for a one-way journey.**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 DEN to LAS with United Airlines?
January is one of the cheapest months to jet off to Las Vegas with United Airlines. You could also find fantastic deals on one-way and round-trip tickets in June.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) with United Airlines?
Search for affordable United Airlines flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
United Airlines offers direct flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS), with 53 departures each week. Simply choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to LAS.
How long does it take to fly from DEN to LAS with United Airlines?
From takeoff to arrival, a nonstop United Airlines flight from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) takes approximately 2h 5m.
Which day of the week has the most United Airlines flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
If it's flexibility you're after, Saturday offers the most choice for United Airlines flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS). Take your pick of 9 different departures.
What is the earliest United Airlines flight from DEN to LAS?
The first flight from DEN to LAS with United Airlines departs at 7:50AM UTC-7. You'll land at 8:56AM UTC-8. The final United Airlines flight of the day takes off at 8:50PM UTC-7 and arrives at 9:56PM UTC-8. With 20% fewer cancellations for departures before midday, jetting out early is often the best way to go.**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 Las Vegas?
Harry Reid Intl. Airport (LAS) is the main Las Vegas gateway for United Airlines flights from Denver Intl. Airport (DEN).
Why fly with United Airlines from DEN to LAS?
With a rewarding loyalty program, United Airlines is a popular choice for many travelers heading from DEN to LAS. 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 Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
United Airlines generally uses Boeing 737-800 planes for flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS). This airline also operates the Airbus A321neo on this route. Keep in mind that aircraft type can vary depending on operational requirements, so the plane you catch might be different on your travel date.
Can I change or cancel my United Airlines flight from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Depending on the ticket type you purchased, a fee will generally apply if you modify or cancel your flight more than 24 hours after it's been confirmed. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when you search for flights. For more details on modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.