DEN - LAS

C$ 151 Find Cheap Flights from Denver to Las Vegas – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 220
Typical prices: C$ 201-C$ 423
Frontier
Thu 15/2Mon 19/2
DEN - LAS • 1 stop
Cheapest direct flights
C$ 304
Typical prices: C$ 199-C$ 423
Southwest
Sat 24/11Sat 1/12
DEN - LAS • Direct
Direct flights
You can fly direct with Southwest, United Airlines, and Frontier. Average duration is 2h 03m
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 • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 280 (round-trip)
Shortest trip • 4h 38m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
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 round-trip flight deals from Denver to Las Vegas

Mon, 15 Feb - Fri, 19 Feb
Frontier Logo
3:06 p.m. - 10:06 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
8h 00m1 stop San Diego
Frontier Logo
10:22 p.m. - 9:31 a.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
10h 09m1 stop Phoenix Sky Harbor Intl
C$ 220Frontier
2 days ago
Thu, 26 Nov - Thu, 3 Dec
Frontier Logo
6:45 a.m. - 1:30 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
7h 45m2 stops Phoenix Sky Harbor Intl Los Angeles
Frontier Logo
10:23 a.m. - 11:49 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
12h 26m2 stops Los Angeles Phoenix Sky Harbor Intl
C$ 248Frontier
22 hours ago
Tue, 24 Nov - Tue, 1 Dec
Southwest Logo
10:55 p.m. - 11:55 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
2h 00mdirect
Southwest Logo
12:25 p.m. - 3:15 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
1h 50mdirect
C$ 304Southwest
2 days ago
Mon, 14 Dec - Wed, 6 Jan
Alaska Airlines Logo
1:54 p.m. - 7:28 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
6h 34m1 stop San Diego
Alaska Airlines Logo
2:22 p.m. - 9:09 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
5h 47m1 stop Portland
C$ 308Alaska Airlines
16 hours ago
Tue, 8 Dec - Thu, 10 Dec
Southwest Logo
3:10 p.m. - 6:35 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
4h 25m1 stop Reno
Southwest Logo
6:25 p.m. - 9:20 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
1h 55mdirect
C$ 312Southwest
1 day ago
Tue, 17 Nov - Mon, 23 Nov
Southwest Logo
6:30 a.m. - 12:45 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
7h 15m2 stops Dallas Love Field San Antonio
Southwest Logo
4:00 p.m. - 6:50 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
1h 50mdirect
C$ 319Southwest
3+ days ago
Sat, 5 Dec - Sat, 12 Dec
Southwest Logo
7:20 a.m. - 4:40 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
10h 20m2 stops Tampa Birmingham
Southwest Logo
11:15 a.m. - 4:40 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
4h 25m1 stop Reno
C$ 326Southwest
3+ days ago
Tue, 1 Dec - Fri, 4 Dec
Southwest Logo
10:00 a.m. - 11:00 a.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
2h 00mdirect
Southwest Logo
8:10 a.m. - 11:10 a.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
2h 00mdirect
C$ 331Southwest
2 days ago
Sun, 6 Dec - Fri, 11 Dec
Alaska Airlines Logo
1:54 p.m. - 7:28 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
6h 34m1 stop San Diego
Alaska Airlines Logo
7:15 a.m. - 2:24 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
6h 09m1 stop Portland
C$ 336Alaska Airlines
19 hours ago
Sat, 21 Nov - Thu, 26 Nov
Alaska Airlines Logo
8:00 p.m. - 11:55 p.m.DEN  Denver Intl-LAS Las Vegas Harry Reid Intl
4h 55m1 stop San Diego
Alaska Airlines Logo
6:00 a.m. - 4:37 p.m.LAS  Las Vegas Harry Reid Intl-DEN Denver Intl
9h 37m1 stop San Diego
C$ 340Alaska Airlines
3+ days ago
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 with more confidence.

How much is a round-trip flight from Denver to Las Vegas?

Round-trip flights from Denver to Las Vegas typically range from C$ 201 to C$ 423. The lowest price found in the past 5 days was C$ 220, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Denver to Las Vegas. It's 27% cheaper than the average day, while Friday is the most expensive, with prices 16% higher.

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 C$ 231 round-trip.
•October (C$ 371) and April (C$ 337) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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

C$ 151
Beat the crowds with an average 28% drop in traveller numbers.
The most popular month to fly with an average 29% increase in traveller numbers.
One-way flight 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 round-trip price

Your Denver to Las Vegas flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • 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 12:05 am and lands at 2:08 am
    • Latest: departs at 10:55 pm and lands at 12:58 am.

    The flight takes about 2h 03m.

  • 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 long does a flight from Denver to Las Vegas take?

    A direct flight from Denver to Las Vegas takes 2h 03m, covering 1,622 km.

  • 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 another form of identification, such as a driver's licence.

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

    Round-trip flights from Denver to Las Vegas range from C$ 201 to C$ 423, with an average of C$ 303 over the past 12 months. Anything below C$ 201 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 41% above the C$ 303 route average. Book 11 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 280 round-trip via Ontario (ONT), compared to C$ 303 for direct.

  • How does on-time performance compare across airlines flying from Denver to Las Vegas?

    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.

  • 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 C$ 51–C$ 140 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 Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Airbus A321neo variants.

  • 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 39% leaving in that window. Afternoon departures account for 29%, Evening flights for 23%, and Night flights for 9%.

  • 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.

  • 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 C$ 186, which is 11% below the typical average for this route.

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

    Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car rental companies, with daily rates averaging C$ 76 for economy cars. Top options include:

    • Easirent
    • Fox
    • Ace
    • Dollar
    • Thrifty

  • 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).

  • What time of day has the fewest delays on flights from Denver to Las Vegas?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • 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 three months, with delays averaging 2h 03m.

  • 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) – 41% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) – 34% of one-stop connections
    • Salt Lake City (SLC) – 19% of one-stop connections
    • Los Angeles (LAX) – 2% of one-stop connections

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

    Yes. Flexible dates can save you up to 37% on flights from Denver to Las Vegas. Monday is the cheapest departure day at C$ 222 round-trip on average, while Friday is the most expensive at C$ 352, a difference of C$ 130.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly 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

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

    Flying via Los Angeles (LAX) gives the shortest average 1-stop total travel time at 4h 38m, compared with 5h 23m via Salt Lake City (SLC) and 5h 27m via San Diego (SAN).

  • 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 popular places can I visit in Las Vegas?

    Some of the most popular sights in Las Vegas are Fremont Street Experience, Las Vegas Convention Center, and T-Mobile Arena. These are among the most viewed places in Las Vegas on KAYAK.

  • 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 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 carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • Southwest: a carry-on bag and a checked bag in Economy Class

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

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 and avoid flying on Friday. On this route, Monday flights average C$ 222, about C$ 130 less than Friday fares (37% 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 C$ 231 round-trip in that month – typically C$ 140 less than the most expensive month, which is October (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 85% of United Airlines flights from Denver to Las Vegas arrived on time, slightly above the route average of 82%. When flights on this route arrive late, they're delayed by an average of 2h 03m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Ontario Airport (ONT) can be cheaper than flying direct. The cheapest layover option averages C$ 280 round-trip on this route – about C$ 23 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
    • DoubleTree by Hilton Las Vegas-Airport
    • Alexis Park All Suite Resort

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 nonstop 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 nonstop flights

More options for your flight from Denver to Las Vegas

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