$51 Cheap Flights from Las Vegas (LAS) to Denver (DEN)

View $51 flight on Thu, Nov 6, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $51 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Oct 6 - Thu, Oct 9
LAS
Las Vegas
DEN
Denver
$101 Roundtrip, just found
$101
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Oct 6 from Las Vegas to Denver, returning Thu, Oct 9, priced at $101 just found
Southwest Airlines
Wed, Aug 20 - Sat, Aug 23
LAS
Las Vegas
DEN
Denver
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Aug 20 from Las Vegas to Denver, returning Sat, Aug 23, priced at $109 just found
United
Sat, Oct 4 - Tue, Oct 7
LAS
Las Vegas
DEN
Denver
$109 Roundtrip, just found
$109
Roundtrip
just found
Select United flight, departing Sat, Oct 4 from Las Vegas to Denver, returning Tue, Oct 7, priced at $109 just found
Southwest Airlines
Sat, Oct 4 - Tue, Oct 7
LAS
Las Vegas
DEN
Denver
$111 Roundtrip, just found
$111
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Oct 4 from Las Vegas to Denver, returning Tue, Oct 7, priced at $111 just found
Southwest Airlines
Wed, Oct 1 - Sat, Oct 4
LAS
Las Vegas
DEN
Denver
$111 Roundtrip, just found
$111
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Oct 1 from Las Vegas to Denver, returning Sat, Oct 4, priced at $111 just found
Frontier Airlines
Sat, Oct 4 - Tue, Oct 7
LAS
Las Vegas
DEN
Denver
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 4 from Las Vegas to Denver, returning Tue, Oct 7, priced at $115 just found
Southwest Airlines
Fri, Nov 7 - Tue, Nov 11
LAS
Las Vegas
DEN
Denver
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Nov 7 from Las Vegas to Denver, returning Tue, Nov 11, priced at $115 just found
United
Sat, Oct 4 - Tue, Oct 7
LAS
Las Vegas
DEN
Denver
$117 Roundtrip, just found
$117
Roundtrip
just found
Select United flight, departing Sat, Oct 4 from Las Vegas to Denver, returning Tue, Oct 7, priced at $117 just found
American Airlines
Sat, Nov 15 - Mon, Nov 17
LAS
Las Vegas
DEN
Denver
$130 Roundtrip, found 4 hours ago
$130
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Nov 15 from Las Vegas to Denver, returning Mon, Nov 17, priced at $130 found 4 hours ago
Alaska Airlines
Wed, Dec 3 - Sat, Dec 6
LAS
Las Vegas
DEN
Denver
$136 Roundtrip, found 8 hours ago
$136
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Dec 3 from Las Vegas to Denver, returning Sat, Dec 6, priced at $136 found 8 hours ago

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

August is typically the cheapest month to fly

From $48 - $130 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $154
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $154
Flights from Las Vegas (LAS) to Denver (DEN)
Origin airport
Harry Reid Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$101
Distance
626 mi
Average flight time
2 hours 53 mins

Las Vegas to Denver Flights

The cheapest times to fly from Las Vegas to Denver

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 Las Vegas to Denver are during the month of October. You can find some of the cheapest flights from Las Vegas to Denver with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Denver: 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 Las Vegas to Denver

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 Las Vegas to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $51 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 Las Vegas to Denver 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 Las Vegas to Denver 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.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) cost?
Find cheap return fares from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) starting from $110. Reserve your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving LAS on August 1 2025 and touching down at DEN. The price was last updated on July 6 2025 and has not changed since.
What is the cheapest month to fly from LAS to DEN?
The cheapest flights from LAS to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Avoid the layovers and fly straight from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) with 3 airlines, including:

  • Southwest Airlines
  • United Airlines
  • Frontier Airlines

What is the cheapest airline that flies from LAS to DEN?
Fly from LAS to DEN with United. This carrier currently offers the lowest one-way fare for this route, starting at $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on September 27 2025. Prices were last updated on July 6 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
When departing from Harry Reid Intl. Airport (LAS), you can choose from an average of 20 daily nonstop flights to Denver Intl. Airport (DEN).
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
More passengers fly between LAS and DEN at 6 AM than at any other time of day. Rather skip the crowds? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from LAS to DEN?
Sunday offers the most flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN). Consider jetting off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
The earliest flight out of Harry Reid Intl. Airport (LAS) is at around 5:30AM UTC-8. Board this plane and you'll arrive at Denver Intl. Airport (DEN) at approximately 8:15AM UTC-7. The total flight duration is 1h 45m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Flights from LAS to DEN have an average travel time of 1 hour and 58 minutes. The total distance between the two is 630 mi.
What airline has the least delays from LAS to DEN?
With 100% of flights generally arriving as scheduled, Delta Air Lines has the best on-time performance for direct flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN). To monitor your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Denver from Harry Reid Intl. Airport (LAS)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Harry Reid Intl. Airport (LAS). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from LAS to DEN are usually more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book a LAS to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to DEN flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Usually, it's possible to reschedule or cancel your LAS to DEN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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