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$55+ Cheap flights from Las Vegas to Denver (LAS - DEN)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DEN
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
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Find cheap flights from Las Vegas to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Denver Intl are usually found in October or September, booked 58 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Las Vegas to Denver

Cheapest flights from Las Vegas to Denver
Explore the most affordable flight options available from Las Vegas to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 25, 2026.

This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:59 am
LAS
-
DEN
Nonstop1h 59m
Frontier
Wed 6/174:26 pm
DEN
-
LAS
Nonstop2h 03m
Frontier
Deal found 5/20$56
This Expedia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:59 am
LAS
-
DEN
Nonstop1h 59m
Frontier
Sun 8/3010:29 pm
DEN
-
LAS
Nonstop2h 01m
Frontier
Deal found 5/20$94
This Cheapflightsfares deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:59 pm
LAS
-
DEN
Nonstop2h 10m
Frontier
Tue 6/164:26 pm
DEN
-
LAS
Nonstop2h 03m
Frontier
Deal found 5/20$107
This Cheapflightsfares deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:24 pm
LAS
-
DEN
Nonstop2h 14m
Frontier
Sat 6/2710:29 pm
DEN
-
LAS
Nonstop2h 00m
Frontier
Deal found 5/20$110
This Super.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1912:59 am
LAS
-
DEN
Nonstop1h 59m
Frontier
Mon 6/226:10 am
DEN
-
LAS
Nonstop2h 00m
Frontier
Deal found 5/21$111
This CheapOair deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:59 am
LAS
-
DEN
Nonstop1h 49m
Frontier
Sun 7/196:10 am
DEN
-
LAS
Nonstop1h 59m
Frontier
Deal found 5/21$112
This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:59 am
LAS
-
DEN
Nonstop1h 53m
Frontier
Sat 10/176:23 am
DEN
-
LAS
Nonstop2h 02m
Frontier
Deal found 5/20$120
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:59 am
LAS
-
DEN
Nonstop1h 59m
Frontier
Tue 7/76:00 am
DEN
-
LAS
1 stop9h 21m
Frontier
Deal found 5/20$121
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:37 am
LAS
-
DEN
1 stop4h 33m
Frontier
Wed 7/152:45 pm
DEN
-
LAS
1 stop9h 28m
Frontier
Deal found 5/20$140
This Frontier deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:30 am
LAS
-
DEN
Nonstop2h 00m
Frontier
Tue 6/2312:47 pm
DEN
-
LAS
Nonstop2h 01m
Frontier
Deal found 5/22$143
This Cheapflightsfares deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:34 pm
LAS
-
DEN
Nonstop2h 08m
Frontier
Wed 6/2410:29 pm
DEN
-
LAS
Nonstop2h 00m
Frontier
Deal found 5/24$146

Find flight deals from Las Vegas to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Denver (DEN). 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 May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$56
(Frontier)

One-way from

$55
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$180

Good round-trip deal

$197 or less

Good one-way deal

$135 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Denver Intl flights.
Search Deals
From Las Vegas Harry Reid Intl to Denver Intl
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Denver Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Denver Intl.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Denver 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 2,558,603 searches. Data last updated May 25, 2026.
Use the filters below to find and compare flights from Las Vegas to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Tue 7/14

12:40 pm-6:10 pm

1 stop4h 30m

Denver Intl

Tue 7/14

8:05 pm-11:05 pm

1 stop4h 00m

$232

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Wed 7/8

11:11 am-7:18 pm

1 stop7h 07m

Denver Intl

Sun 7/12

6:00 am-10:31 am

1 stop5h 31m

$261

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 7/9

6:19 pm-10:33 am

1 stop15h 14m

Denver Intl

Sun 7/12

6:00 am-10:31 am

1 stop5h 31m

$261

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Fri 6/12

6:19 pm-10:33 am

1 stop15h 14m

Denver Intl

Sun 6/14

6:00 am-10:31 am

1 stop5h 31m

$261
Quickest round-trip

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 6/11

9:50 pm-12:40 am

Nonstop1h 50m

Denver Intl

Sun 6/14

5:55 am-6:50 am

Nonstop1h 55m

$271

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 6/25

6:05 pm-11:05 pm

1 stop4h 00m

Denver Intl

Fri 6/26

6:50 pm-9:25 pm

1 stop3h 35m

$286

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Tue 6/9

7:10 am-6:25 pm

1 stop10h 15m

Denver Intl

Tue 6/9

7:51 pm-10:31 am

1 stop15h 40m

$302

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Wed 6/10

5:45 am-11:40 am

1 stop4h 55m

Denver Intl

Fri 6/12

4:55 pm-8:25 pm

1 stop4h 30m

$336

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Fri 6/12

6:10 pm-9:11 pm

Nonstop2h 01m

Denver Intl

Sun 6/14

7:05 pm-8:08 pm

Nonstop2h 03m

$377

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sat 6/13

11:35 am-7:45 pm

2 stops7h 10m

Denver Intl

Sun 6/14

7:55 am-10:35 am

1 stop3h 40m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Compare providers for flights from Las Vegas to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Denver in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Las Vegas with our price prediction graph.
Estimated round-trip 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 Las Vegas to Denver

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

The best time to book flights from Las Vegas to Denver is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Las Vegas to Denver (average of $122). Flying from Las Vegas to Denver in March is currently the most expensive (average of $182). 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 LAS to DEN?

Find hourly flight availability from Las Vegas to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 25, 2026.

A simple way to save on the total cost of your ticket is to fly from Las Vegas to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Las Vegas to Denver?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Denver. Price data was last updated on May 23, 2026.

Travelers seeking maximum savings on their Las Vegas to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Las Vegas to Denver?

The best insider tips for Las Vegas to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Denver trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated May 25, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andFrontier from Las Vegas to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,266 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,266 reviews
Southwest
7.9
Good
4,266 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,749 reviews
Southwest
7.9
Good
4,266 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
2,936 reviews
Southwest
7.9
Good
4,266 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Denver. 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 Las Vegas to Denver?

    To fly from Las Vegas to Denver, you need to book a flight from Harry Reid Intl (LAS) to Denver Intl (DEN). Nonstop flights to Denver Intl from Las Vegas Harry Reid Intl take 1h 50m on average. When it comes time to book airfare, you have a few options: there are 32 outbound flights from Harry Reid Intl to Denver Intl offered by 3 different airlines.

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

    Within the past month, 221 users have taken a look at flights from Las Vegas Harry Reid Intl to Denver Intl.

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

    A quick flight from Las Vegas to Denver can take about 4h 30m. Southwest provides one of the quickest options available for as low as $232. The distance from Las Vegas to Denver is about 626 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Las Vegas to Denver round-trip?

    Flying on Frontier is currently your cheapest option to Denver, with prices starting at $57. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $137 and $152, respectively. You may be able to fly from Las Vegas to Denver for 64% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Las Vegas to Denver one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $39. Southwest flights start at $78 while deals on JetBlue start at $80 one-way.

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

    The top 3 most reliable airlines when flying from Las Vegas to Denver are SWISS (100%), Copa Airlines (91%) and United Airlines (91%).

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

    The cheapest flight price from Las Vegas to Denver is $80. On average you can expect to pay $840. The most popular route, (Las Vegas Harry Reid Intl - Denver Intl), can usually be booked for $173.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Denver 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 Las Vegas to Denver?

    Currently, October is the cheapest month in which you can book a flight from Las Vegas to Denver (average of $122). Flying from Las Vegas to Denver in March is currently the most expensive (average of $182). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Westminster
Broomfield
Centennial
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Las Vegas to Denver

Discover the top 3 airlines that operate flights from Las Vegas to Denver. 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 2,558,603 searches. Data last updated May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$142FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$137Average$252FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$152Average$237FlexibilityNo cancel feeOn-time69%

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