Cheap flights from Las Vegas to Denver from C$ 121

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DEN
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from Las Vegas to Denver

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 31/124:23 p.m.LAS - DEN
Nonstop2h 02mUnited Airlines
Wed 7/15:54 p.m.DEN - LAS
Nonstop2h 08mUnited Airlines
Deal found 9/12C$ 295
Tue 30/1211:05 a.m.LAS - DEN
Nonstop2h 03mUnited Airlines
Wed 7/18:53 p.m.DEN - LAS
Nonstop2h 06mUnited Airlines
Deal found 12/12C$ 330
Fri 26/129:05 a.m.LAS - DEN
Nonstop2h 02mUnited Airlines
Sun 28/128:50 p.m.DEN - LAS
Nonstop2h 08mUnited Airlines
Deal found 10/12C$ 415
Wed 17/124:25 p.m.LAS - DEN
Nonstop1h 50mSouthwest
Tue 30/125:30 a.m.DEN - LAS
Nonstop2h 05mSouthwest
Deal found 10/12C$ 419
Tue 30/126:00 p.m.LAS - DEN
1 stop4h 59mAlaska Airlines
Wed 7/17:00 a.m.DEN - LAS
2 stops14h 53mAlaska Airlines
Deal found 11/12C$ 473
Wed 31/127:10 p.m.LAS - DEN
2 stops14h 25mAlaska Airlines
Thu 1/16:48 p.m.DEN - LAS
1 stop5h 53mAlaska Airlines
Deal found 11/12C$ 485
Wed 31/127:10 p.m.LAS - DEN
2 stops14h 25mAlaska Airlines
Fri 2/16:00 a.m.DEN - LAS
1 stop18h 41mAlaska Airlines
Deal found 11/12C$ 494
Mon 29/126:25 a.m.LAS - DEN
1 stop4h 05mSouthwest
Mon 5/17:50 a.m.DEN - LAS
2 stops5h 25mSouthwest
Deal found 11/12C$ 502
Mon 29/127:10 a.m.LAS - DEN
1 stop11h 08mAlaska Airlines
Tue 6/111:31 a.m.DEN - LAS
2 stops10h 54mAlaska Airlines
Deal found 11/12C$ 556
Sat 20/129:00 a.m.LAS - DEN
2 stops6h 05mSouthwest
Mon 29/125:15 p.m.DEN - LAS
1 stop3h 50mSouthwest
Deal found 10/12C$ 586
Thu 18/121:35 p.m.LAS - DEN
Nonstop1h 50mSouthwest
Mon 22/126:10 p.m.DEN - LAS
Nonstop2h 05mSouthwest
Deal found 11/12C$ 614
Wed 17/124:25 p.m.LAS - DEN
Nonstop1h 50mSouthwest
Mon 29/127:15 a.m.DEN - LAS
Nonstop2h 05mSouthwest
Deal found 11/12C$ 636

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 12 December 2025.

Round-trip from

C$ 189

One-way from

C$ 121

Popular in

June

Cheapest in

February

Average price

C$ 194

Good round-trip deal

C$ 156 or less

Good one-way deal

C$ 245 or less
United Airlines
  • United Airlines
  • 25/2-28/2
  • Nonstop
  • 4h 11m total
  • Las Vegas to Denver
Alaska Airlines
  • Alaska Airlines
  • 11/1
  • 1 total stop
  • 4h 38m total
  • Las Vegas to Denver
Highest demand for flights based on searches. 11% potential increase in price (C$ 37 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Denver Intl.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Denver Intl.

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 629,999 searches. Data last updated 12 December 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

Wed 14/1

6:00 a.m.-11:38 a.m.

1 stop4h 38m

Denver Intl

Sun 18/1

7:39 p.m.-11:28 p.m.

1 stop4h 49m

C$ 215

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Wed 7/1

6:00 a.m.-11:38 a.m.

1 stop4h 38m

Denver Intl

Sun 11/1

12:34 p.m.-6:41 p.m.

1 stop7h 07m

C$ 243

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Tue 27/1

6:00 a.m.-11:51 a.m.

1 stop4h 51m

Denver Intl

Sat 31/1

5:15 a.m.-8:26 a.m.

1 stop4h 11m

C$ 244

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sat 10/1

10:55 a.m.-1:45 p.m.

Nonstop1h 50m

Denver Intl

Sun 11/1

9:35 a.m.-10:45 a.m.

Nonstop2h 10m

C$ 244

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Wed 28/1

1:45 p.m.-11:25 p.m.

1 stop8h 40m

Denver Intl

Thu 29/1

6:29 a.m.-12:50 p.m.

1 stop7h 21m

C$ 252

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 29/1

1:45 p.m.-11:25 p.m.

1 stop8h 40m

Denver Intl

Fri 30/1

12:30 p.m.-5:41 p.m.

1 stop6h 11m

C$ 252

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sat 24/1

6:00 a.m.-11:38 a.m.

1 stop4h 38m

Denver Intl

Tue 27/1

12:34 p.m.-10:06 a.m.

2 stops22h 32m

C$ 255

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Fri 16/1

7:52 p.m.-11:38 a.m.

1 stop14h 46m

Denver Intl

Fri 23/1

7:39 p.m.-11:28 p.m.

1 stop4h 49m

C$ 257

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Thu 29/1

6:15 a.m.-11:50 a.m.

1 stop4h 35m

Denver Intl

Sun 1/2

6:14 a.m.-1:05 p.m.

1 stop7h 51m

C$ 272

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Sun 11/1

6:00 a.m.-11:38 a.m.

1 stop4h 38m

Denver Intl

Tue 13/1

7:00 a.m.-6:41 p.m.

2 stops12h 41m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 23 results
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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 5 December 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Las Vegas to Denver (average of C$ 62). Flying from Las Vegas to Denver in August is currently the most expensive (average of C$ 135). 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 12 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Las Vegas to Denver by exploring options for tickets in the afternoon.

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 12 December 2025.
Get a feel of what it's like to fly with Frontier from Las Vegas to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

4.4

Food

4.6

Boarding

6.0

Comfort

5.5

Crew

6.6

Overall

5.8

Reviews

1 / 20
4.0
Okay

N,Nov 2025

LAS - PHX

The flight attendants were extremely unfriendly, no in flight wifi for purchase, and seats were uncomfortable

Entertainment

4.4

Food

4.6

Boarding

6.0

Comfort

5.5

Crew

6.6

Overall

5.8

Reviews

1 / 20
4.0
Okay

N,Nov 2025

LAS - PHX

The flight attendants were extremely unfriendly, no in flight wifi for purchase, and seats were uncomfortable

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 2h 03m 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 1 airline.

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

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

    There are many flights that can get you from Las Vegas to Denver in 2h 02m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. The distance between Las Vegas and Denver is about 1007 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Las Vegas to Denver round-trip from C$ 80. You may be able to fly from Las Vegas to Denver for 59% less than the average price by searching for this airline.

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

    Consider SWISS (91%), Copa Airlines (88%) or Air Canada (85%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Denver.

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

    The cheapest flight price from Las Vegas to Denver is C$ 60. On average you can expect to pay C$ 393. The most popular route, (Las Vegas Harry Reid Intl - Denver Intl), can usually be booked for C$ 255.

  • 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, February is the cheapest month in which you can book a flight from Las Vegas to Denver (average of C$ 62). Flying from Las Vegas to Denver in August is currently the most expensive (average of C$ 135). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Golden
Westminster
Thornton

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Top airline flying from Las Vegas to Denver

Discover the top airline 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 80AverageC$ 167FlexibilityNo cancel feeOn-time62%
Search Frontier flights

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

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Las Vegas to Denver for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Denver from Las Vegas shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Las Vegas to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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