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CA $151 Cheap Flights from Denver (DEN) to Las Vegas (LAS)

View CA $151 flight on Sat, Oct 24, 2026Opens 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 and start at CA $151 for one-way flights and CA $301 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver
LAS
Las Vegas
CA $301 Roundtrip, found 18 hours ago
CA $301
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Mon, Oct 19 from Denver to Las Vegas, returning Wed, Oct 21, priced at CA $301 found 18 hours ago
Alaska Airlines
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
LAS
Las Vegas
CA $310 Roundtrip, found 17 hours ago
CA $310
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Denver to Las Vegas, returning Thu, Oct 8, priced at CA $310 found 17 hours ago
Alaska Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver
LAS
Las Vegas
CA $314 Roundtrip, found 18 hours ago
CA $314
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Mon, Oct 19 from Denver to Las Vegas, returning Wed, Oct 21, priced at CA $314 found 18 hours ago
Southwest Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver
LAS
Las Vegas
CA $314 Roundtrip, found 18 hours ago
CA $314
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Mon, Oct 19 from Denver to Las Vegas, returning Wed, Oct 21, priced at CA $314 found 18 hours ago
Alaska Airlines
Sun, Oct 25 - Tue, Oct 27
DEN
Denver
LAS
Las Vegas
CA $317 Roundtrip, found 1 day ago
CA $317
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 25 from Denver to Las Vegas, returning Tue, Oct 27, priced at CA $317 found 1 day ago
American Airlines
Tue, Sep 15 - Fri, Sep 18
DEN
Denver
LAS
Las Vegas
CA $324 Roundtrip, found 1 day ago
CA $324
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 15 from Denver to Las Vegas, returning Fri, Sep 18, priced at CA $324 found 1 day ago
Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
DEN
Denver
LAS
Las Vegas
CA $325 Roundtrip, found 5 days ago
CA $325
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Oct 10 from Denver to Las Vegas, returning Wed, Oct 14, priced at CA $325 found 5 days ago
Southwest Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver
LAS
Las Vegas
CA $326 Roundtrip, found 18 hours ago
CA $326
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Mon, Oct 19 from Denver to Las Vegas, returning Wed, Oct 21, priced at CA $326 found 18 hours ago
Delta
Sat, Oct 3 - Thu, Oct 8
DEN
Denver
LAS
Las Vegas
CA $326 Roundtrip, just found
CA $326
Roundtrip
just found
Select Delta flight, departing Sat, Oct 3 from Denver to Las Vegas, returning Thu, Oct 8, priced at CA $326 just found
United
Mon, Oct 19 - Wed, Oct 21
DEN
Denver
LAS
Las Vegas
CA $409 Roundtrip, found 18 hours ago
CA $409
Roundtrip
found 18 hours ago
Select United flight, departing Mon, Oct 19 from Denver to Las Vegas, returning Wed, Oct 21, priced at CA $409 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 CA $450
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from CA $450

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

September is typically the cheapest month to fly

From CA $94 - CA $199 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 cheap one-way flights from CA $151 and cheap return flights from CA $301 DEN to LAS with Expedia. One-way flights typically cost between CA$188 and CA$984, and return flights often range between CA$409 and CA$1659. 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 DEN to LAS ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you're looking for the cheapest time to fly from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), February is typically your best bet. You can expect average return flight prices around CA$267 during this month. February often sees lower prices because it falls after the busy holiday season, when travel demand tends to decrease. Other budget-friendly months for this route include September and October.
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.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop return flights from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), with tickets starting from around CA$63 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights on this route, with tickets starting from around CA$296. These prices are for economy/coach class per adult. 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.
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, 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) to Las Vegas, NV (LAS)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
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.)?
Direct flights from DEN to LAS usually take about 2 hours, traveling roughly 1,009 kilometers. 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.)?
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 much is a business class flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A non-stop, one-way business class flight from Denver, CO (DEN-Denver Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) is usually around CA$749 - CA$1278. 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.
How do I earn miles on a Denver, CO (DEN) to Las Vegas, NV (LAS) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN) to Las Vegas, NV (LAS) 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) to Las Vegas, NV (LAS) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN) to Las Vegas, NV (LAS) 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) to Las Vegas, NV (LAS) flight and hotel package?
Securing a Denver, CO (DEN) to Las Vegas, NV (LAS) 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-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, JetBlue Airways, United
Roundtrip price
CA $300
Distance
1002 km

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Denver to Las Vegas Flights

The easy way to book your flights from Denver to Las Vegas 

With Expedia, it’s simple to find and book flights to Las Vegas from Denver whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Harry Reid Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Denver to Las Vegas today, tomorrow, or this week.  

 

Save dollars with cheap flights from Denver Intl., DEN to Harry Reid Intl., LAS 

Sort your search results by price to find great deals on your flight from Denver to Las Vegas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Las Vegas from Denver currently is just CA $301 rising to CA $409.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Las Vegas  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Las Vegas from Denver 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Las Vegas with Expedia today.

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