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Cheap flights from Denver to Las Vegas from £36

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAS
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Denver Intl to Las Vegas Harry Reid Intl are usually found in January or February, booked 23 days in advance, depart on a Monday or Thursday and return on a Tuesday

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Cheapest flights from Denver to Las Vegas
Explore the most affordable flight options available from Denver to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Wed 26/1118:24DEN - LAS
Nonstop2h 08mFrontier
Tue 2/1200:59LAS - DEN
Nonstop1h 59mFrontier
Deal found 12/10£70
Sat 13/1207:45DEN - LAS
Nonstop2h 06mUnited Airlines
Sun 14/1218:23LAS - DEN
Nonstop2h 00mUnited Airlines
Deal found 13/10£106
Fri 14/1120:52DEN - LAS
Nonstop2h 06mUnited Airlines
Mon 17/1116:41LAS - DEN
Nonstop1h 59mUnited Airlines
Deal found 14/10£110
Wed 10/1218:59DEN - LAS
1 stop4h 28mAlaska Airlines
Sat 13/1214:57LAS - DEN
1 stop8h 02mAlaska Airlines
Deal found 13/10£117
Sun 7/1208:20DEN - LAS
1 stop8h 02mAlaska Airlines
Wed 10/1207:25LAS - DEN
1 stop10h 59mAlaska Airlines
Deal found 13/10£121
Thu 6/1120:52DEN - LAS
Nonstop2h 06mUnited Airlines
Mon 10/1118:10LAS - DEN
Nonstop1h 58mUnited Airlines
Deal found 13/10£124
Fri 12/1218:15DEN - LAS
1 stop3h 40mSouthwest
Tue 16/1207:35LAS - DEN
1 stop3h 45mSouthwest
Deal found 12/10£125
Thu 13/1119:28DEN - LAS
1 stop4h 51mDelta
Sun 16/1106:00LAS - DEN
1 stop4h 43mDelta
Deal found 12/10£133
Mon 15/1208:15DEN - LAS
1 stop4h 40mSouthwest
Thu 18/1205:55LAS - DEN
1 stop4h 15mSouthwest
Deal found 13/10£133
Tue 2/1218:59DEN - LAS
1 stop4h 28mAlaska Airlines
Tue 9/1218:55LAS - DEN
1 stop23h 29mAlaska Airlines
Deal found 14/10£134

Cheap flight deals from Denver to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 October 2025.

Round-trip from

£70

One-way from

£36

Popular in

October

Cheapest in

January

Average price

£157

Good round-trip deal

£78 or less

Good one-way deal

£30 or less
Frontier
  • Frontier
  • 26/11-3/12
  • Nonstop
  • 4h 13m total
  • Denver to Las Vegas
Search Deals
Frontier
  • Frontier
  • 2/3
  • Nonstop
  • 2h 08m total
  • Denver to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Denver Intl to Las Vegas Harry Reid Intl.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Denver to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 October 2025.
Use the filters below to find and compare flights from Denver to Las Vegas that are best for you.

Fly from

Denver

Fly to

Las Vegas

Route

Depart

Return

Price

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Fri 23/1

13:37-23:12

1 stop10h 35m

Las Vegas Harry Reid Intl

Sat 24/1

06:00-11:38

1 stop4h 38m

£127

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Tue 20/1

12:34-18:41

1 stop7h 07m

Las Vegas Harry Reid Intl

Thu 22/1

06:00-11:38

1 stop4h 38m

£132

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Thu 4/12

19:28-23:17

1 stop4h 49m

Las Vegas Harry Reid Intl

Sun 7/12

17:55-00:24

1 stop5h 29m

£133

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 12/11

19:04-22:26

1 stop4h 22m

Las Vegas Harry Reid Intl

Wed 19/11

13:59-23:59

2 stops9h 00m

£142

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Thu 5/2

19:37-23:28

1 stop4h 51m

Las Vegas Harry Reid Intl

Sun 8/2

06:00-11:38

1 stop4h 38m

£148

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Tue 11/11

19:04-22:26

1 stop4h 22m

Las Vegas Harry Reid Intl

Thu 13/11

10:18-23:59

2 stops12h 41m

£152

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Tue 11/11

07:30-08:35

Nonstop2h 05m

Las Vegas Harry Reid Intl

Sun 16/11

06:55-09:45

Nonstop1h 50m

£158

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 26/11

19:28-23:19

1 stop4h 51m

Las Vegas Harry Reid Intl

Wed 3/12

17:55-00:24

1 stop5h 29m

£160

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Thu 15/1

13:05-18:35

2 stops6h 30m

Las Vegas Harry Reid Intl

Sat 24/1

13:00-18:15

1 stop4h 15m

£163

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Fri 7/11

20:52-21:58

Nonstop2h 06m

Las Vegas Harry Reid Intl

Mon 10/11

18:10-21:08

Nonstop1h 58m

£165

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Denver to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Denver with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Las Vegas

How far ahead should I book a flight from Denver to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Denver to Las Vegas. Price data was last updated on 10 October 2025.

To ensure you get the cheapest price possible for a flight from Denver to Las Vegas, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to Las Vegas?

Currently, March is the cheapest month in which you can book a flight from Denver to Las Vegas (average of £22). Flying from Denver to Las Vegas in July is currently the most expensive (average of £73). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to LAS?

Find hourly flight availability from Denver to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2025.

It’s typically best to fly out from Denver to Las Vegas at midday. Doing so could potentially save you 49% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 14 October 2025.
Get a feel of what it's like to fly with Frontier from Denver to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.8
Fair
3,135 reviews
Check prices

Entertainment

4.4

Crew

6.7

Comfort

5.5

Food

4.6

Boarding

6.1

Overall

5.8

Reviews

1 / 20
2.0
Mediocre

Shawn,Sept 2025

SAN - SFO

The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip
Frontier
5.8
Fair
3,135 reviews
Frontier
5.8
Fair
3,135 reviews
Check prices

Entertainment

4.4

Crew

6.7

Comfort

5.5

Food

4.6

Boarding

6.1

Overall

5.8

Reviews

1 / 20
2.0
Mediocre

Shawn,Sept 2025

SAN - SFO

The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip

Related info for your journey

Find useful and relevant information for your journey from Denver to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Las Vegas?

    You will need to book a flight from Denver Intl to Las Vegas Harry Reid Intl if you want to fly from Denver to Las Vegas. At least 1 airline has flights from Denver Intl (DEN) to Harry Reid Intl (LAS) on a regular basis. There are 31 flights to Las Vegas from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to LAS to be around 2h 06m.

  • How popular is this Denver to Las Vegas flight route?

    Flights from Denver Intl to Las Vegas Harry Reid Intl have been viewed 5 times in the past calendar month.

  • How long is the flight from Denver to Las Vegas?

    A quick flight from Denver to Las Vegas can take about 2h. Southwest provides one of the quickest options available for as low as £110. There are 626 mi between Denver and Las Vegas. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Denver to Las Vegas round-trip?

    According to our current data, Frontier (£70), offers the cheapest pricing from Denver to Las Vegas. Frontier is 48% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Denver to Las Vegas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to Las Vegas on time: Copa Airlines (77%), Frontier (73%), United Airlines (68%).

  • What are the cheapest flights from Denver to Las Vegas?

    On average you can expect to pay £86 for a flight from Denver to Las Vegas. The cheapest flight overall is £29 while the most popular route, (Denver Intl - Las Vegas Harry Reid Intl) is currently priced at £124.

  • Can I find deals for flights from Denver to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Denver to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Denver to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Las Vegas.

  • Can I find deals for business class flights from Denver to Las Vegas?

    Yes. Cheapflights offers flight deals from Denver to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Las Vegas?

    Currently, March is the cheapest month in which you can book a flight from Denver to Las Vegas (average of £22). Flying from Denver to Las Vegas in July is currently the most expensive (average of £73). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Kingman
Henderson
Paradise

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Top airline flying from Denver to Las Vegas

Discover the top airline that operate flights from Denver to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£70Average£159FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Denver to Las Vegas?

Cheapflights helps you search for flights from Denver to Las Vegas via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Denver to Las Vegas?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Denver to Las Vegas.

Can Cheapflights find flights from Denver to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from Denver? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Denver to Las Vegas become cheaper?

Not ready to book yet? You can track prices for flights from Denver to Las Vegas on Cheapflights with our Price Alert feature and get notified when better prices are available.

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