$36 Cheap Flights from Denver (DEN) to Las Vegas (LAS)

View $36 flight on Wed, Aug 12, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $36 for one-way flights and $72 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Sep 1 - Wed, Sep 2
DEN
Denver
LAS
Las Vegas
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 1 from Denver to Las Vegas, returning Wed, Sep 2, priced at $72 just found
Frontier Airlines
Tue, Aug 4 - Tue, Aug 11
DEN
Denver
LAS
Las Vegas
$73 Roundtrip, found 14 hours ago
$73
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Denver to Las Vegas, returning Tue, Aug 11, priced at $73 found 14 hours ago
Frontier Airlines
Tue, Aug 4 - Wed, Aug 5
DEN
Denver
LAS
Las Vegas
$74 Roundtrip, just found
$74
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 4 from Denver to Las Vegas, returning Wed, Aug 5, priced at $74 just found
Frontier Airlines
Tue, Aug 18 - Wed, Aug 19
DEN
Denver
LAS
Las Vegas
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 18 from Denver to Las Vegas, returning Wed, Aug 19, priced at $77 just found
Frontier Airlines
Tue, Sep 1 - Wed, Sep 2
DEN
Denver
LAS
Las Vegas
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 1 from Denver to Las Vegas, returning Wed, Sep 2, priced at $82 just found
Frontier Airlines
Tue, Aug 4 - Tue, Aug 11
DEN
Denver
LAS
Las Vegas
$83 Roundtrip, found 14 hours ago
$83
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Denver to Las Vegas, returning Tue, Aug 11, priced at $83 found 14 hours ago
United
Tue, Sep 1 - Wed, Sep 2
DEN
Denver
LAS
Las Vegas
$163 Roundtrip, just found
$163
Roundtrip
just found
Select United flight, departing Tue, Sep 1 from Denver to Las Vegas, returning Wed, Sep 2, priced at $163 just found
Southwest Airlines
Tue, Sep 1 - Wed, Sep 2
DEN
Denver
LAS
Las Vegas
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 1 from Denver to Las Vegas, returning Wed, Sep 2, priced at $163 just found
Delta
Tue, Sep 1 - Wed, Sep 2
DEN
Denver
LAS
Las Vegas
$183 Roundtrip, just found
$183
Roundtrip
just found
Select Delta flight, departing Tue, Sep 1 from Denver to Las Vegas, returning Wed, Sep 2, priced at $183 just found
American Airlines
Sat, Sep 26 - Tue, Sep 29
DEN
Denver
LAS
Las Vegas
$199 Roundtrip, just found
$199
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 26 from Denver to Las Vegas, returning Tue, Sep 29, priced at $199 just found

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 $232
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $232

What you need to know for your flight from Denver Intl. to Harry Reid Intl.

Denver (DEN) to Las Vegas (LAS) at a glance

Travel from Denver (DEN) to Las Vegas (LAS) with a selection of airlines catering to this popular domestic short-haul route. Explore various options, including full-service and low-cost carriers, to discover the itinerary that best matches your budget and schedule as you prepare to experience the vibrant sights and neighborhoods of Las Vegas. Get all the essential information for your flights from Denver International Airport to Harry Reid International Airport.

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 100+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $40–$270, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Harry Reid International Airport (LAS)

Based on the latest traveler bookings, we’ve compiled a list of the most popular airlines flying from Denver to Las Vegas, favored for both non-stop and one-stop flights. Common layover spots include Sky Harbor International Airport in Phoenix (with a layover of about 1 hour and 30 minutes), Salt Lake City International Airport (approximately 1 hour and 30 minutes), and San Diego International Airport (around 1 hour and 15 minutes). These options allow you to tailor your journey by mixing and matching price, total travel time, and cabin class to create the ideal itinerary.

  • Southwest Airlines: As a budget-friendly airline, Southwest provides both non-stop and one-stop flights, with one-way ticket prices generally falling between $65 and $310. It represents about 34% of departures on this route, typically offering a non-stop travel time of 2 hours.
  • United: A major full-service airline, United offers both non-stop and one-stop services, with one-way fares usually ranging from $70 to $325. It makes up around 33% of departures for this route, with a standard non-stop flight duration of 2 hours.
  • Frontier Airlines: Another low-cost option, Frontier Airlines provides non-stop and one-stop options, with one-way fares typically between $40 and $200. It accounts for roughly 30% of departures on this route, featuring a usual non-stop flight time of 2 hours.
  • Alaska Airlines: This full-service carrier specializes in one-stop flights, with one-way fares ranging from $85 to $185. Though it represents just 1% of departures on this route, it offers an in-flight duration of 3 hours and 30 minutes, leading to a total travel time of about 4 hours and 45 minutes, factoring in layover time.
  • Delta: Delta is a full-service airline providing one-stop services, with one-way fares typically between $90 and $310. It also accounts for roughly 1% of departures on this route, featuring an in-flight duration of 3 hours and 30 minutes and a total journey time of around 4 hours and 45 minutes, including layovers.

Travelers can enhance their journey from Denver to Las Vegas by upgrading their flight. United Airlines provides both first class and premium economy; American Airlines offers first class; and Delta features premium economy options, ensuring a comfortable experience.

Best time to fly from Denver (DEN) to Las Vegas (LAS)

The most popular months for travelers flying from Denver to Las Vegas are February, March, and April, when peak temperatures in Las Vegas reach up to 66.4°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 55.4°F. For better deals, August usually offers the lowest average one-way fare around $114. Flight availability peaks in October, with approximately 129 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 83 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $114, roughly 9% cheaper than the yearly average.
  • More budget-friendly months to fly: February, November, and January typically offer average one-way fares of around $118.
  • Most flight options: October has the highest number of flights from Denver to Las Vegas, with approximately 129 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January46.8°F (8.2°C)Average83$118
February50.4°F (10.2°C)Moderately High95$117
March57.9°F (14.4°C)Moderately High108$131
April66.4°F (19.1°C)Moderately High119$133
May74.5°F (23.6°C)Average128$125
June86.0°F (30.0°C)Moderately Low111$129
July91.6°F (33.1°C)Average107$130
August89.4°F (31.9°C)Average96$114
September82.6°F (28.1°C)Moderately Low110$122
October68.5°F (20.3°C)Average129$132
November55.4°F (13.0°C)Moderately Low112$117
December45.9°F (7.7°C)Average121$145

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Las Vegas (LAS)

  • Denver to Henderson (DEN-HSH): Located approximately 7 miles from Harry Reid International Airport (LAS), Henderson Executive Airport (HSH) serves as a convenient alternative.

How to find the best prices for flights from Denver (DEN) to Las Vegas (LAS)

Getting some of the best deals on flights from Denver to Las Vegas is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Flights departing in the afternoon (12 PM-6 PM) often offer lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Wednesday typically provides cheaper rates, although Friday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Harry Reid International Airport from Denver International Airport

Las Vegas welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Las Vegas efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Las Vegas, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Harry Reid International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Harry Reid International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Harry Reid International Airport, Las Vegas International Airport Station (a train station) is located about 0.1 miles away on foot, while South Strip Transit Terminal (a bus station) is about 2.5 miles from the airport by car. Additionally, MGM Grand Monorail Station (a metro station) is situated approximately 3.4 miles away by car, providing various transport options for travelers.

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 $36 and cheap return flights from $72 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, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$72
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 September. 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 $36 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.

*Available to One Key members.

 

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