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$46+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DEN
out 19 — out 261
dom 10/19
dom 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Denver Intl are usually found in January or February, booked 60 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap 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 setembro 19, 2025.

Round-trip from

$66
(CheapOair)

One-way from

$46
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$154

Good round-trip deal

$134 or less

Good one-way deal

$114 or less
From Las Vegas Harry Reid Intl to Denver Intl
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One-way flight from Las Vegas Harry Reid Intl to Denver Intl
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Highest demand for flights based on searches. 12% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Denver Intl.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Denver Intl.
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Find 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 setembro 19, 2025.

This CheapOair deal was found by Cheapflights users on 9/18. 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.
sex 10/312:59 amLAS - DEN
Nonstop2h 01mFrontier
ter 10/75:51 pmDEN - LAS
Nonstop2h 04mFrontier
Deal found 9/18$66
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
qui 10/912:59 amLAS - DEN
Nonstop2h 00mFrontier
sáb 10/2510:29 pmDEN - LAS
Nonstop2h 00mFrontier
Deal found 9/18$73
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/312:59 amLAS - DEN
Nonstop2h 01mFrontier
dom 10/510:29 pmDEN - LAS
Nonstop2h 00mFrontier
Deal found 9/18$80
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
qui 10/912:59 amLAS - DEN
Nonstop2h 00mFrontier
seg 10/137:00 amDEN - LAS
Nonstop2h 02mFrontier
Deal found 9/16$82
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 10/218:05 pmLAS - DEN
Nonstop2h 05mFrontier
qua 10/225:51 pmDEN - LAS
Nonstop2h 04mFrontier
Deal found 9/17$83
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/118:00 amLAS - DEN
Nonstop2h 10mFrontier
sáb 10/112:20 pmDEN - LAS
Nonstop2h 09mFrontier
Deal found 9/17$86
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
sex 10/2412:59 amLAS - DEN
Nonstop2h 00mFrontier
dom 10/2610:29 pmDEN - LAS
Nonstop2h 00mFrontier
Deal found 9/18$87
This Frontier deal was found by Cheapflights users on 9/18. 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.
qui 10/168:05 pmLAS - DEN
Nonstop2h 05mFrontier
dom 10/1910:29 pmDEN - LAS
Nonstop2h 00mFrontier
Deal found 9/18$89
This Frontier deal was found by Cheapflights users on 9/18. 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.
qua 10/812:59 amLAS - DEN
Nonstop2h 00mFrontier
seg 10/1310:29 pmDEN - LAS
Nonstop2h 00mFrontier
Deal found 9/18$90

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 setembro 19, 2025.
Use the filters below to find and compare flights from Las Vegas to Denver that are best for you.

Fly from

Las Vegas

Fly to

Denver

Route

Depart

Return

Price

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

sex 10/3

12:59 am-4:00 am

Nonstop2h 01m

Denver Intl

dom 10/5

10:29 pm-11:29 pm

Nonstop2h 00m

$81

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

ter 10/7

9:14 am-12:21 pm

Nonstop2h 07m

Denver Intl

seg 10/13

5:51 pm-6:55 pm

Nonstop2h 04m

$82

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qui 11/6

8:48 pm-11:53 pm

Nonstop2h 05m

Denver Intl

dom 11/9

6:25 am-7:29 am

Nonstop2h 04m

$82

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

sáb 10/18

8:00 am-11:10 am

Nonstop2h 10m

Denver Intl

dom 10/19

7:00 am-8:02 am

Nonstop2h 02m

$114

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qui 10/2

4:59 pm-11:26 pm

1 stop5h 27m

Denver Intl

seg 10/6

7:17 pm-8:21 pm

Nonstop2h 04m

$117

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qui 9/25

12:59 am-4:00 am

Nonstop2h 01m

Denver Intl

ter 9/30

10:29 pm-11:33 pm

Nonstop2h 04m

$136

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

seg 9/29

10:01 pm-10:50 am

1 stop11h 49m

Denver Intl

qui 10/2

7:00 am-8:02 am

Nonstop2h 02m

$141

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qua 10/1

8:49 pm-12:26 am

1 stop26h 37m

Denver Intl

sex 10/3

6:29 pm-11:44 pm

1 stop6h 15m

$143

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

ter 10/14

6:30 am-9:25 am

Nonstop1h 55m

Denver Intl

ter 10/21

6:40 am-7:35 am

Nonstop1h 55m

$147

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

qua 11/12

4:21 pm-11:02 pm

1 stop5h 41m

Denver Intl

qua 11/12

12:59 am-11:34 am

1 stop11h 35m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 21 results
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The best insider tips for Las Vegas to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Denver trip
Airlines
Frontier

Frontier's UpFront Plus seats offer more comfort with a guaranteed empty middle seat.


Early check-in helps secure your spot as Frontier overbooks frequently.

Read more about Frontierby Marisa Garcia
United Airlines

Basic Economy allows a personal item only; no carry-on bags without extra fees.


Prepay checked bags 24 hours before to save on fees.

Read more about United Airlinesby Harriet Baskas
Airports
LAS

LAS offers a self-service TSA screening trial, simplifying security with video instructions. Ideal for frequent travelers familiar with the process.

Read more about LASby Ramsey Qubein
DEN

The A Line train connects DEN to Union Station in 37 minutes, running every 15 minutes. Use RTD’s mobile ticketing for convenience.

Read more about DENby Emily Zemler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

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 Baskas

Harriet Baskas

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 Zemler

Emily Zemler

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

Ramsey Qubein

Ramsey Qubein

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Denver. Price data was last updated on September 12, 2025.

The best time to book flights from Las Vegas to Denver is 60 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 $197). Flying from Las Vegas to Denver in March is currently the most expensive (average of $278). 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 setembro 19, 2025.

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 72% 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 September 14, 2025.

Travelers seeking maximum savings on their Las Vegas to Denver flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday 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?

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 setembro 19, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and Frontier 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
8.0
Very good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,171 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 28 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, 186 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 2h 01m. Frontier provides one of the quickest options available for as low as $81. The distance from Las Vegas to Denver is about 626 mi. Most flights are nonstop.

  • 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 $133 and $137, respectively. You may be able to fly from Las Vegas to Denver for 60% less than the average price by searching for these airlines.

  • 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 United Airlines (75%), Frontier (72%) and Copa Airlines (72%).

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

    The cheapest flight price from Las Vegas to Denver is $68. On average you can expect to pay $938. The most popular route, (Las Vegas Harry Reid Intl - Denver Intl), can usually be booked for $100.

  • 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 $197). Flying from Las Vegas to Denver in March is currently the most expensive (average of $278). 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
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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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 setembro 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$135FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$133Average$200FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$137Average$238FlexibilityNo cancel feeOn-time69%

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