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

View AU$142 flight on Mon, 22 Feb 2027Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 29 Sept - Wed, 14 Oct
DEN
Denver
LAS
Las Vegas
AU$311 Return, found 18 hours ago
AU$311
Return
found 18 hours ago
Select Alaska Airlines flight, departing Tue, 29 Sept from Denver to Las Vegas, returning Wed, 14 Oct, priced at AU$311 found 18 hours ago
Southwest Airlines
Tue, 29 Sept - Wed, 14 Oct
DEN
Denver
LAS
Las Vegas
AU$324 Return, found 18 hours ago
AU$324
Return
found 18 hours ago
Select Southwest Airlines flight, departing Tue, 29 Sept from Denver to Las Vegas, returning Wed, 14 Oct, priced at AU$324 found 18 hours ago
Alaska Airlines
Sun, 25 Oct - Wed, 11 Nov
DEN
Denver
LAS
Las Vegas
AU$326 Return, found 3 days ago
AU$326
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 25 Oct from Denver to Las Vegas, returning Wed, 11 Nov, priced at AU$326 found 3 days ago
Southwest Airlines
Tue, 29 Sept - Wed, 14 Oct
DEN
Denver
LAS
Las Vegas
AU$336 Return, found 18 hours ago
AU$336
Return
found 18 hours ago
Select Southwest Airlines flight, departing Tue, 29 Sept from Denver to Las Vegas, returning Wed, 14 Oct, priced at AU$336 found 18 hours ago
Southwest Airlines
Tue, 3 Nov - Wed, 4 Nov
DEN
Denver
LAS
Las Vegas
AU$337 Return, found 18 hours ago
AU$337
Return
found 18 hours ago
Select Southwest Airlines flight, departing Tue, 3 Nov from Denver to Las Vegas, returning Wed, 4 Nov, priced at AU$337 found 18 hours ago
American Airlines
Tue, 29 Sept - Wed, 14 Oct
DEN
Denver
LAS
Las Vegas
AU$337 Return, found 18 hours ago
AU$337
Return
found 18 hours ago
Select American Airlines flight, departing Tue, 29 Sept from Denver to Las Vegas, returning Wed, 14 Oct, priced at AU$337 found 18 hours ago
Alaska Airlines
Sun, 20 Sept - Thu, 24 Sept
DEN
Denver
LAS
Las Vegas
AU$339 Return, found 6 days ago
AU$339
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 20 Sept from Denver to Las Vegas, returning Thu, 24 Sept, priced at AU$339 found 6 days ago
Alaska Airlines
Sun, 20 Sept - Fri, 25 Sept
DEN
Denver
LAS
Las Vegas
AU$342 Return, found 6 days ago
AU$342
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 20 Sept from Denver to Las Vegas, returning Fri, 25 Sept, priced at AU$342 found 6 days ago
Delta
Sat, 26 Sept - Fri, 16 Oct
DEN
Denver
LAS
Las Vegas
AU$348 Return, found 3 days ago
AU$348
Return
found 3 days ago
Select Delta flight, departing Sat, 26 Sept from Denver to Las Vegas, returning Fri, 16 Oct, priced at AU$348 found 3 days ago
United
Tue, 29 Sept - Wed, 14 Oct
DEN
Denver
LAS
Las Vegas
AU$422 Return, found 18 hours ago
AU$422
Return
found 18 hours ago
Select United flight, departing Tue, 29 Sept from Denver to Las Vegas, returning Wed, 14 Oct, priced at AU$422 found 18 hours ago

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 centre is 6 minutes. Flights from AU$358
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from AU$358

Find the cheapest month to fly from Denver (DEN) to Las Vegas (LAS)

September is typically the cheapest month to fly

From AU$95 - AU$202 per traveller.

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 one-way and return flights from DEN to LAS with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to LAS ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN) to Las Vegas, NV (LAS)?
The cheapest months to fly from Denver, CO (DEN) to Las Vegas, NV (LAS) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are 3 airlines offering direct flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.). Here are the carriers:
  • Southwest Airlines operates 64 direct flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
  • United operates 54 direct flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
  • Frontier Airlines operates 38 direct flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) every week.
How do I find cheap flights from Denver, CO (DEN) to Las Vegas, NV (LAS)?
To find a cheap flight from Denver, CO (DEN) to Las Vegas, NV (LAS), 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, Southwest Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), 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 time to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) is typically September. This month offers a great balance—prices are reasonable, with an average of around AU$287 for a return flight, and you'll have plenty of flight options since it's a popular time to travel. September brings pleasant weather to Las Vegas, making it an ideal time to visit. If you're flexible, this month gives you both affordable fares and excellent flight schedules to work with. February is also a cheap month to fly, but it's not as popular, so you might find fewer flight options.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll find around 22 nonstop flights per day from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.). For even more choices, look at flights that include layovers, as there are approximately 224 connecting flights per day. Some common connection points include Sky Harbor Intl. (PHX), Seattle - Tacoma Intl. (SEA), and Los Angeles Intl. (LAX).
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 around 12:00 AM local time, operated by Frontier Airlines. This is a seasonal service active in September and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll find the most flights from Denver International Airport (DEN) to Harry Reid International Airport (LAS) on Fridays, with around 163 flights available. This gives you plenty of options for your travel plans. Notably, Fridays have significantly more flight options compared to other days of the week. Major airlines on this route include Southwest Airlines, Frontier Airlines, and United.
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, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Frontier Airlines, Southwest Airlines and Alaska Airlines, offer flights during this window. Many travellers prefer this time because it allows for an early arrival in Las Vegas, giving you more time to enjoy your destination.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A non-stop flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) typically takes around 2 hours, covering a distance of approximately 1,009 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 7 hours 30 minutes. Flights with two or more stops will take even longer, averaging about 9 hours 50 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Yes, you can fly business class or first class between DEN and LAS. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Alaska Airlines
  • Delta
  • American Airlines
First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines
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, NV (LAS) from Denver, CO (DEN)?
If you're planning to travel to Las Vegas from Denver Intl. (DEN), you can fly directly into Harry Reid International Airport (LAS). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or 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.) flight and hotel package 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) to Las Vegas, NV (LAS)?
If you booked your Denver, CO (DEN) to Las Vegas, NV (LAS) 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, Southwest Airlines, United
Roundtrip price
AU$302
Distance
1002 km

Book with confidence

Your quick guide to flights from Denver to Las Vegas

Pick up great flights from Denver to Las Vegas

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Denver to Las Vegas. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to Las Vegas that take around hours.

Find cheap flights from Denver to Las Vegas

From the great flight deals with prices currently ranging from AU$311 to AU$422, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to Las Vegas around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Las Vegas is normally in September.

Reasons to book your flight from Denver to Las Vegas with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to Las Vegas across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Las Vegas right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Denver to Las Vegas

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*Available to Expedia members.