DEN - LAS

£61 Find Cheap Flights from Denver to Las Vegas – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£138
Typical prices: £103-£217
Alaska Airlines
Sat 27/10Sat 27/10
DEN - LAS • 1 stop
Cheapest direct flights
£172
Typical prices: £103-£218
Southwest
Wed 3/10Fri 5/10
DEN - LAS • Direct
Direct flights
You can fly direct with Southwest, United Airlines, and Frontier. Average duration is 2h 01m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 11 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £119 (return)
Shortest trip • 4h 38m (one-way)
Insights
Insights
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We hope you enjoy your trip to Las Vegas!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Denver to Las Vegas

Tue, 27 Oct - Tue, 27 Oct
Alaska Airlines Logo
07:07 - 13:25DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
7h 18m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
15:54 - 22:12LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
5h 18m1 stop San Diego
£138Alaska Airlines
Tue, 19 Jan - Sat, 23 Jan
Alaska Airlines Logo
13:45 - 18:42DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
5h 57m1 stop San Diego
Alaska Airlines Logo
09:00 - 18:56LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
8h 56m1 stop Seattle/Tacoma Intl
£142Alaska Airlines
Fri, 23 Oct - Sat, 24 Oct
Alaska Airlines Logo
17:57 - 23:59DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
7h 02m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
07:02 - 14:32LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
6h 30m1 stop Portland
£151Alaska Airlines
Tue, 17 Nov - Tue, 24 Nov
Alaska Airlines Logo
07:33 - 12:59DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
6h 26m1 stop Portland
Alaska Airlines Logo
10:59 - 18:51LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
6h 52m1 stop Portland
£160Alaska Airlines
Mon, 18 Jan - Thu, 21 Jan
Alaska Airlines Logo
13:45 - 18:42DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
5h 57m1 stop San Diego
Alaska Airlines Logo
19:25 - 12:47LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
16h 22m1 stop San Diego
£168Alaska Airlines
Sat, 3 Oct - Mon, 5 Oct
Southwest Logo
14:25 - 15:25DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
2h 00mdirect
Southwest Logo
21:40 - 00:40LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
2h 00mdirect
£172Southwest
Mon, 18 Jan - Fri, 29 Jan
Alaska Airlines Logo
13:45 - 18:42DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
5h 57m1 stop San Diego
Alaska Airlines Logo
06:00 - 12:47LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
5h 47m1 stop San Diego
£176Alaska Airlines
Wed, 9 Dec - Fri, 11 Dec
Alaska Airlines Logo
17:00 - 23:59DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
7h 59m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
07:00 - 15:16LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
7h 16m1 stop Seattle/Tacoma Intl
£176Alaska Airlines
Thu, 28 Jan - Sat, 30 Jan
Alaska Airlines Logo
19:59 - 23:44DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
4h 45m1 stop San Diego
Alaska Airlines Logo
13:44 - 23:17LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
8h 33m1 stop Seattle/Tacoma Intl
£180Alaska Airlines
Fri, 22 Jan - Thu, 28 Jan
Alaska Airlines Logo
19:54 - 09:40DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
14h 46m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
07:07 - 14:07LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
6h 00m1 stop Portland
£183Alaska Airlines
Booking Insights

Price, demand, and travel trends for Denver to Las Vegas flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Denver to Las Vegas with more confidence.

How much is a return flight from Denver to Las Vegas?

Return flights from Denver to Las Vegas start at £138. Prices are typical for this route right now, with typical return fares ranging from £103 to £217. The lowest price found in the past 5 days was £138 on Alaska Airlines.

What's the cheapest day of the week to fly from Denver to Las Vegas?

Monday is the cheapest day of the week to fly from Denver to Las Vegas and is 26% cheaper than the average day. Friday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Denver to Las Vegas at £122 return.
  • April (£178) and July (£171) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 46% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Denver to Las Vegas the cheapest?

Flights from Denver to Las Vegas are cheapest 11 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Denver to Las Vegas flights

Low season

August

Cheapest flight

£61
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (15% more expensive on average)
Flights from Denver to Las Vegas

When to book flights from Denver to Las Vegas

Are your dates flexible? Find out the best times to travel from Denver to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Denver to Las Vegas flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on Denver to Las Vegas flights?

    Among airlines operating Denver to Las Vegas flights:

    • Frontier: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Denver to Las Vegas?

    3 airlines operate flights between Denver and Las Vegas. The airlines offering direct flights on this route include:

    • Southwest
    • United Airlines
    • Frontier

  • Which airports can I use when flying from Denver to Las Vegas?

    Flights from Denver to Las Vegas usually depart from Denver Intl (DEN) and arrive at Las Vegas Harry Reid Intl (LAS).

  • Which airlines include bags at no extra cost on Denver to Las Vegas flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy class
    • United Airlines: a cabin bag and a checked bag in Economy class
    • Southwest: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Denver to Las Vegas?

    Only Economy class is available on flights from Denver to Las Vegas.

  • How much can I save by having a stopover when flying from Denver to Las Vegas?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £119 return via Ontario (ONT), compared with £155 for direct.

  • What is the standard checked bag allowance on flights from Denver to Las Vegas?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £23–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Denver to Las Vegas?

    The Airbus A321neo family is used most often on this route, operated mainly by Frontier and United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from Denver to Las Vegas pass through?

    One-stop flights from Denver to Las Vegas most commonly connect through:

    • San Diego (SAN) – 39% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) – 29% of one-stop connections
    • Salt Lake City (SLC) – 22% of one-stop connections
    • Ontario (ONT) – 7% of one-stop connections

    San Diego (SAN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Denver to Las Vegas?

    Yes. Being flexible with your travel dates can save you up to 38% on the Denver to Las Vegas route. Monday is the cheapest departure day at £115 return on average, while Friday is the most expensive at £184, a difference of £69. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Denver to Las Vegas?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Denver to Las Vegas route, 18% of flights were delayed in the past 3 months, with delays averaging 2 hours 4 minutes.

  • How are flight departures from Denver to Las Vegas spread across the day?

    Morning is the busiest departure period on Denver to Las Vegas flights, with 40% leaving in that window. Afternoon departures account for 30%, Evening flights for 25%, and Night flights for 5%.

  • What popular places can I visit in Las Vegas?

    Some of the most popular sights in Las Vegas are Fremont Street Experience, The Venetian, and Casino at Main Street Station. These are among the most viewed places in Las Vegas on KAYAK.

  • What are the earliest and latest flights from Denver to Las Vegas?

    These are the earliest and latest flight times available from Denver to Las Vegas:

    • Earliest: departs at 00:05 and lands at 02:06
    • Latest: departs at 22:55 and lands at 00:56.

    The flight takes about 2h 01m.

  • How expensive are last-minute Denver to Las Vegas flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 35% above the route average of £155. Book 11 weeks before departure for the lowest fares.

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

    A direct flight from Denver to Las Vegas takes 2h 01m, covering 626 miles.

  • Do I need a passport to fly from Denver to Las Vegas?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Denver to Las Vegas looking right now?

    One-way fares from Denver to Las Vegas are currently lower than usual. Average one-way flight prices are about £85, which is 18% below the typical average for this route.

  • How does United Airlines's on-time performance compare to other airlines on Denver to Las Vegas flights?

    United Airlines is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Denver to Las Vegas flights are:

    • United Airlines: 85% on time
    • Frontier: 85% on time
    • Southwest: 78% on time

    On average, flights on this route are punctual 82% of the time.

  • How do delay rates compare for morning and evening flights from Denver to Las Vegas?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • Is it cheaper to take a train or bus instead of flying between Denver and Las Vegas?

    Based on prices from the last 5 days, flying between Denver and Las Vegas is around £138 return, with a flight time of about 7h 18m. Recent return bus fares are around £94 return, with a trip time of about 15h 30m. Compared with flying, recent bus fares are roughly 33% lower. However, the bus takes about 8+ hours longer each way.

  • How much time can I save by choosing a different stopover airport from Denver to Las Vegas?

    Flying via Los Angeles Los Angeles (LAX) gives the shortest average 1-stop total travel time of 4h 38m, compared to 5h 27m via San Diego (SAN) and 6h 06m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Denver and Las Vegas?

    Las Vegas is 1 hour behind Denver (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Las Vegas Harry Reid Intl Airport (LAS)?

    Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car hire companies, with daily rates starting from around £6 for economy cars. Top options include:
    · Easirent
    · Ace
    · Fox
    · Dollar
    · Thrifty

  • How much should I expect to pay for a Denver to Las Vegas flight?

    Return flights from Denver to Las Vegas range from £103 to £217, with an average of £155 over the past 12 months. Anything below £103 counts as a good deal.

  • Which airlines offer Wi-Fi on Denver to Las Vegas flights?

    JetBlue is the only airline on the Denver to Las Vegas route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Denver to Las Vegas flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average £115 – about £69 less than Friday (38% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Las Vegas trip for January. Fares historically average £122 return in that month – typically £56 less than the most expensive month, which is April (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 85% of United Airlines flights from Denver to Las Vegas arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 82%. When flights on this route do arrive late, the average delay is 2 hours4 minutes, so choosing an airline with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Ontario Airport (ONT) can be cheaper than flying direct. The cheapest stopover option averages £119 return on this route – about £37 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Las Vegas Harry Reid Intl Airport.
    - Four Seasons Hotel Las Vegas
    - The Reserve at Park MGM
    - Ellis Island Hotel

Prefer to fly direct from Denver to Las Vegas?

 
Find which airlines fly direct from Denver Intl Airport to Las Vegas Harry Reid Intl Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to Las Vegas Harry Reid Intl

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Direct returns

Las Vegas Harry Reid Intl to Denver Intl

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

More options for your flight from Denver to Las Vegas

Complete your trip to Las Vegas with a hotel stay or car hire