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 $20 for one-way flights and $40 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Dec 31 - Sat, Jan 3
DEN
Denver
LAS
Las Vegas
$40 Roundtrip, just found
$40
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 31 from Denver to Las Vegas, returning Sat, Jan 3, priced at $40 just found
Frontier Airlines
Mon, Jan 5 - Fri, Jan 9
DEN
Denver
LAS
Las Vegas
$47 Roundtrip, found 1 hour ago
$47
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jan 5 from Denver to Las Vegas, returning Fri, Jan 9, priced at $47 found 1 hour ago
Frontier Airlines
Sat, Dec 20 - Sun, Dec 21
DEN
Denver
LAS
Las Vegas
$50 Roundtrip, just found
$50
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Dec 20 from Denver to Las Vegas, returning Sun, Dec 21, priced at $50 just found
Frontier Airlines
Mon, Jan 5 - Tue, Jan 6
DEN
Denver
LAS
Las Vegas
$52 Roundtrip, found 21 hours ago
$52
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Mon, Jan 5 from Denver to Las Vegas, returning Tue, Jan 6, priced at $52 found 21 hours ago
Frontier Airlines
Tue, Feb 3 - Sun, Feb 8
DEN
Denver
LAS
Las Vegas
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Feb 3 from Denver to Las Vegas, returning Sun, Feb 8, priced at $54 found 1 hour ago
Frontier Airlines
Sun, Dec 7 - Wed, Dec 17
DEN
Denver
LAS
Las Vegas
$56 Roundtrip, found 1 hour ago
$56
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Denver to Las Vegas, returning Wed, Dec 17, priced at $56 found 1 hour ago
Frontier Airlines
Sun, Jan 4 - Wed, Jan 14
DEN
Denver
LAS
Las Vegas
$57 Roundtrip, found 1 hour ago
$57
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jan 4 from Denver to Las Vegas, returning Wed, Jan 14, priced at $57 found 1 hour ago
Frontier Airlines
Tue, Nov 18 - Wed, Nov 19
DEN
Denver
LAS
Las Vegas
$59 Roundtrip, just found
$59
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Nov 18 from Denver to Las Vegas, returning Wed, Nov 19, priced at $59 just found
United
Thu, Feb 26 - Sun, Mar 1
DEN
Denver
LAS
Las Vegas
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Thu, Feb 26 from Denver to Las Vegas, returning Sun, Mar 1, priced at $137 just found
Southwest Airlines
Sat, Dec 13 - Tue, Dec 16
DEN
Denver
LAS
Las Vegas
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Dec 13 from Denver to Las Vegas, returning Tue, Dec 16, priced at $137 just found

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

February is typically the cheapest month to fly

From $48 - $213 per traveler.

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 $103
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $103

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) cost?
Grab a cheap one-way flight from $20 or cheap return flight from $40 from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Flying in December may help you find better deals, as it's the cheapest month for flights between DEN and LAS. You'll usually find the lowest fares during the off-season.
Which airlines fly direct from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Avoid the layovers and fly direct to Harry Reid Intl. Airport (LAS) from Denver Intl. Airport (DEN) with 3 airlines, including:

  • Southwest Airlines
  • United Airlines
  • Frontier Airlines

What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Frontier Airlines and United Airlines are some popular airlines offering reasonable fares. Remember that flight prices from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) can change based on demand, travel dates and how early you book. With Expedia's filter tool, you can easily find a DEN to LAS flight that works with your plans and budget.
How many flights per day from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Each day on average, 20 nonstop flights take off from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS). Choose the departure date that fits your schedule best.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
The 11 AM departures from DEN to LAS are the most sought after. Greater demand means you'll likely pay more for these departures. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from DEN to LAS?
If you fly on a Sunday, you'll get the largest range of options for flights from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Denver Intl. Airport (DEN)'s first flight to Harry Reid Intl. Airport (LAS) departs at approximately 5:55AM UTC-7. With a total flight time of 2h 10m, you'll touch down at around 7:05AM UTC-8.
How long does it take to fly from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
Flights from DEN to LAS have an average travel time of 2 hours and 7 minutes. The total distance between these two airports is 630 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Denver Intl. Airport (DEN)?
If you're on a direct flight from Denver Intl. Airport (DEN) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until just before your departure to book your flight from DEN to LAS generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a DEN to LAS flight and hotel package?
Booking a DEN to 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. Choose from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Harry Reid Intl. Airport (LAS)?
In most cases, you can reschedule or cancel your DEN to LAS flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

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 December. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $20 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

Explore a world of travel with Expedia

*Available to One Key members.