$28 Cheap Flights from Denver (DEN) to Las Vegas (LAS)

View $28 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Denver to Las Vegas (DEN-LAS)

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 6 - Sat, May 16
DEN
Denver
LAS
Las Vegas
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Denver to Las Vegas, returning Sat, May 16, priced at $56 just found
Frontier Airlines
Tue, May 12 - Wed, May 13
DEN
Denver
LAS
Las Vegas
$61 Roundtrip, found 3 hours ago
$61
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 12 from Denver to Las Vegas, returning Wed, May 13, priced at $61 found 3 hours ago
Frontier Airlines
Wed, May 6 - Sat, May 16
DEN
Denver
LAS
Las Vegas
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Denver to Las Vegas, returning Sat, May 16, priced at $66 just found
Frontier Airlines
Wed, May 6 - Thu, May 7
DEN
Denver
LAS
Las Vegas
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Denver to Las Vegas, returning Thu, May 7, priced at $72 just found
Frontier Airlines
Sat, May 9 - Sun, May 10
DEN
Denver
LAS
Las Vegas
$77 Roundtrip, found 2 hours ago
$77
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 9 from Denver to Las Vegas, returning Sun, May 10, priced at $77 found 2 hours ago
Frontier Airlines
Sat, May 16 - Tue, May 26
DEN
Denver
LAS
Las Vegas
$79 Roundtrip, just found
$79
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 16 from Denver to Las Vegas, returning Tue, May 26, priced at $79 just found
Frontier Airlines
Tue, May 5 - Fri, May 15
DEN
Denver
LAS
Las Vegas
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 5 from Denver to Las Vegas, returning Fri, May 15, priced at $82 just found
Alaska Airlines
Sat, Apr 25 - Tue, May 5
DEN
Denver
LAS
Las Vegas
$107 Roundtrip, just found
$107
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Apr 25 from Denver to Las Vegas, returning Tue, May 5, priced at $107 just found
United
Wed, May 6 - Sat, May 16
DEN
Denver
LAS
Las Vegas
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Wed, May 6 from Denver to Las Vegas, returning Sat, May 16, priced at $157 just found
Southwest Airlines
Sat, May 9 - Tue, May 19
DEN
Denver
LAS
Las Vegas
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, May 9 from Denver to Las Vegas, returning Tue, May 19, priced at $157 just found

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Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $172
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $172

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find cheap one-way flights from $28 and cheap return flights from $56 Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) with Expedia. One-way flights usually range from $93 to $1212, and return flights typically cost between $201 and $1560. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
February is typically the cheapest month to fly from Denver (DEN) to Las Vegas (LAS), with average return fares around $192. This is about 14% lower than the average price throughout the year, as demand tends to drop after the holiday season. Other cheap months to fly from Denver to Las Vegas include September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are 2 airlines offering direct flights from DEN to LAS:

  • United operates around 79 direct flights from DEN to LAS every week
  • Frontier Airlines operates around 36 direct flights from DEN to LAS every week

What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from Denver Intl. (DEN) to Harry Reid Intl. (LAS), with round-trip tickets starting from around $187. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from Denver to Las Vegas, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best times to fly from Denver to Las Vegas are February and September. Return flights during these months average around $192, making them the most economical choices. February is ideal for avoiding the crowds, while September offers great weather for exploring the city.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are approximately 24 nonstop flights per day from Denver Intl. (DEN) to Harry Reid International Airport (LAS). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Denver International Airport (DEN) to Harry Reid International Airport (LAS) typically departs at 12:00 AM local time, operated by Frontier Airlines. An early departure like this allows you to make the most of your time in Las Vegas. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Denver (DEN) to Las Vegas (LAS) are in the early morning, from 6am to 9am. About 28% of passengers prefer this time window. Many major carriers, including Southwest Airlines and Frontier Airlines, offer flights during this period, making it a convenient option for travelers.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Direct flights from DEN to LAS usually take about 2 hours, traveling roughly 627 miles. If you opt for a connecting flight, expect to add around 4 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Business class seats are offered on the DEN to LAS route with American Airlines.First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A direct, return business class ticket from Denver (DEN) to Las Vegas (LAS) typically costs between $1,033 - $1,664. A non-stop, one-way business class flight is usually around $486 - $931. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from Denver Intl. (DEN)?
If you're planning to travel to Las Vegas from Denver Intl. (DEN), you can fly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), San Diego Intl. (SAN) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) Las Vegas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Denver Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$56
Distance
626 mi

Book with confidence

Denver to Las Vegas Flights

The cheapest times to fly from Denver to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Las Vegas are during the month of May. You can find some of the cheapest flights from Denver to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Las Vegas

Sunday is one of the best days to book for cheap flights from Denver to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Las Vegas in 2026. You can also book with separate airlines for your outbound and return journeys, from $28 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Las Vegas Flights

*Flight schedules are subject to change.

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*Available to One Key members.