TYS - LAS

$75 Find Cheap Flights from Knoxville to Las Vegas - Compare and Save

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Everything you should know

Cheapest round-trip
$162
Typical prices: $304-$481
Allegiant Air
Thu 1/25Mon 1/29
TYS - LAS • Non-stop
Cheapest one-way
$75
Typical prices: $155-$307
Allegiant Air
Fri 11/16
TYS - LAS • Non-stop
Nonstop flights
You can fly direct with Allegiant Air. Average duration is 4h 30m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 19 weeks in advance save around 40% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $371 (round-trip)
Shortest trip • 6h 40m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Knoxville to Las Vegas (TYS-LAS)

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

Recent round-trip flight deals from Knoxville to Las Vegas

Mon, Jan 25 - Fri, Jan 29
Allegiant Air Logo
7:30 am - 9:14 amTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
4h 44mnonstop
Allegiant Air Logo
10:04 am - 4:50 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
3h 46mnonstop
$162Allegiant Air
Mon, Dec 14 - Fri, Dec 18
Allegiant Air Logo
9:15 pm - 10:45 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
4h 30mnonstop
Allegiant Air Logo
6:00 am - 12:41 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
3h 41mnonstop
$178Allegiant Air
Fri, Jan 8 - Sun, Jan 10
Multiple Airlines Logo
2:06 pm - 3:50 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
4h 44mnonstop
Multiple Airlines Logo
8:16 am - 6:42 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
7h 26m1 stop Phoenix Sky Harbor Intl
$212Multiple Airlines
Sun, Jan 31 - Thu, Feb 4
Multiple Airlines Logo
10:00 am - 4:35 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
9h 35m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
6:00 am - 6:50 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
9h 50m1 stop Phoenix Sky Harbor Intl
$229Multiple Airlines
Fri, Feb 5 - Tue, Feb 9
American Airlines Logo
2:45 pm - 6:33 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
6h 48m1 stop Dallas/Fort Worth
American Airlines Logo
1:27 pm - 10:46 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
6h 19m1 stop Charlotte Douglas
$319American Airlines
Thu, Dec 17 - Mon, Dec 21
American Airlines Logo
2:55 pm - 9:06 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
9h 11m1 stop Dallas/Fort Worth
American Airlines Logo
11:01 pm - 9:01 amLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
7h 00m1 stop Charlotte Douglas
$319American Airlines
Thu, Jan 7 - Tue, Jan 12
Delta Logo
5:15 am - 9:55 amTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
7h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:25 pm - 9:25 amLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
7h 00m1 stop Atlanta Hartsfield-Jackson
$319Delta
Fri, Jan 8 - Sat, Jan 9
Delta Logo
7:00 am - 10:40 amTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
6h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:26 am - 9:33 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
8h 07m1 stop Detroit Metropolitan Wayne County
$319Delta
Wed, Jan 13 - Fri, Jan 15
Southwest Logo
5:50 pm - 9:35 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
6h 45m1 stop Denver Intl
Southwest Logo
7:35 am - 5:45 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
7h 10m1 stop Dallas Love Field
$319Southwest
Sat, Jan 9 - Wed, Jan 13
Southwest Logo
4:30 pm - 7:25 pmTYS  Knoxville McGhee Tyson-LAS Las Vegas Harry Reid Intl
5h 55m1 stop Dallas Love Field
Southwest Logo
7:35 am - 6:35 pmLAS  Las Vegas Harry Reid Intl-TYS Knoxville McGhee Tyson
8h 00m2 stops Phoenix Sky Harbor Intl Nashville Intl
$324Southwest
Booking Insights

Price, demand and travel trends for Knoxville 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 Knoxville to Las Vegas?

Round-trip flights from Knoxville to Las Vegas typically range from $304 to $481. The lowest price found in the past 5 days was $162, on Allegiant Air.

What's the cheapest day of the week to fly from Knoxville 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 Knoxville to Las Vegas. It’s 22% cheaper than the average day, while Sunday is the most expensive, with prices 23% higher.

What’s the cheapest month to fly from Knoxville to Las Vegas?

•August is the cheapest month to fly from Knoxville to Las Vegas at $291 round-trip.
•June ($482) and March ($461) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Knoxville to Las Vegas the cheapest?

Flights from Knoxville to Las Vegas are cheapest 19 weeks before departure. Booking in this window typically costs about 40% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Knoxville to Las Vegas flights

Low season

July

Cheapest flight

$75
Beat the crowds with an average 18% drop in travelers.
The most popular month to fly with an average 23% increase in travelers.
One-way flight from Knoxville to Las Vegas

When to book flights from Knoxville to Las Vegas

Are your dates flexible? Find out the best times to travel from Knoxville 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 Knoxville 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 Knoxville to Las Vegas?

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

    • Earliest: departs at 7:30 am and lands at 12:00 pm
    • Latest: departs at 10:09 pm and lands at 2:39 am.

    The flight takes about 4h 30m.

  • What cabin classes can I book on flights from Knoxville to Las Vegas?

    Two cabin classes are available on flights from Knoxville to Las Vegas:

    • Economy Class
    • First Class

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

    A nonstop flight from Knoxville to Las Vegas takes 4h 30m, covering 1,734 miles.

  • Do I need a passport to fly from Knoxville 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 much should I expect to pay for a Knoxville to Las Vegas flight?

    Round-trip flights from Knoxville to Las Vegas range from $304 to $481, with an average of $386 over the past 12 months. Anything below $304 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 34% above the $386 route average. Book 19 weeks before departure for the lowest fares.

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

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $319 round-trip, compared to $371 via a layover through Orlando Sanford Intl (SFB).

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $25–$100 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 Knoxville to Las Vegas?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Allegiant Air. Other aircraft seen on the route include Airbus A319 variants.

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

    One-way fares from Knoxville to Las Vegas are currently lower than usual. Average one-way flight prices are about $139, which is 35% 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 $54 for economy cars. Top options include:

    • Easirent
    • Fox
    • Ace
    • Dollar
    • Thrifty

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

    Flights from Knoxville to Las Vegas usually depart from Knoxville McGhee Tyson (TYS) and arrive at Las Vegas Harry Reid Intl (LAS).

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

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

    • Dallas/Fort Worth (DFW) - 38% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 19% of one-stop connections
    • Denver Intl (DEN) - 19% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 36% on flights from Knoxville to Las Vegas. Monday is the cheapest departure day at $304 round-trip on average, while Sunday is the most expensive at $475, a difference of $171.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Knoxville to Las Vegas?

    Only Allegiant Air operates flights between Knoxville and Las Vegas.

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 6h 40m, compared with 6h 41m via Atlanta Hartsfield-Jackson (ATL) and 6h 52m via Minneapolis St Paul (MSP).

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

    Las Vegas is 3 hours behind Knoxville (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What 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 Wynn Las Vegas. These are among the most viewed places in Las Vegas on KAYAK.

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

    Among airlines operating Knoxville to Las Vegas flights:

    • 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 Knoxville to Las Vegas flights?

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

    • Southwest: a cabin bag in Economy Class class

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

  • How early should I arrive at TYS Airport?

    Passengers are advised to be at the airport at least 2h before their planned departure time for domestic flights and two and a half hours before their scheduled departure time for international flights. Many airline ticket desks close 30 - 45min before departure to allow employees to assist passengers.

  • Does Knoxville airport have a lounge?

    Knoxville Airport (TYS) is a small but charming two-level terminal with various restaurants and stores. If you want to remain overnight, keep in mind that all restaurants and businesses are closed between 7 pm and 4:30 am.

  • Does McGhee Tyson Airport have long-term parking?

    If you want to leave your car at the TYS Airport, there is a long-term parking area a ten-minute walk from the terminal building. This property has covered garage parking. There are two separate economy lots located behind the Airport Hilton.

  • Is there a free shuttle from Las Vegas McCarran Airport (LAS) to nearby hotels?

    In most cases, complimentary shuttle services are only offered to registered hotel guests. The hotel, ideally located on Paradise Road near the Las Vegas Airport, provides a complimentary airport shuttle for registered guests.

Your guide to booking Knoxville 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 Sunday. On this route, Monday flights average $304, about $171 less than Sunday fares (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 40% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to Las Vegas trip for August. Fares historically average $291 round-trip in that month - typically $191 less than the most expensive month, which is June (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
    • OYO Hotel And Casino Las Vegas
  • If you want cash, ATMs are located at McGhee Tyson Airport (TYS) terminals. If you are traveling to LAS, make sure to verify your bank's charge schedule as well as your daily withdrawal limit. You should also advise your bank of your trip intentions. They can be found at Landside, Airside, and just next to Ruby Tuesday.
  • If you're exhausted following your flight, three sleep chambers within the Harry Reid International Airport (LAS) gym are available to rent by the hour. Each room has a single bed as well as access to a fridge, microwave, baggage storage, baths, lockers, and the fitness center. They may be found at Terminal 1. You will take the elevator to Level 0 from behind Baggage Claim #10.
  • The LAS airport has free Wi-Fi. If you need to check your email but don't have a device to connect to the internet, you can use any of the Embarq pay-email machines situated around the airport.
  • Nursing mothers may locate a Mamava pod after passing through the TYS Security Checkpoint and across from the food concession area. Inside the airport terminal building, the Mamava pod is a discreet and pleasant room dedicated for moms to breastfeed or pump. The self-contained transportable pod has comfy seats, a fold-down table, an electrical socket for plugging in a breast pump, and a lockable door for privacy.
  • Level 1 of the LAS terminal has a pet relief facility outside of baggage claim 1. You can go to the end of the window wall, turn right, and cross over it with your pet.
  • If you need to charge your device, there are power outlets located throughout the terminal at TYS airport as you wait for your flight. Seats with built-in power outlets and Recharge Zone workstations for charging laptops are also available in the gated sections of both terminals.

Prefer to fly direct from Knoxville to Las Vegas?

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

Direct departures

Knoxville McGhee Tyson to Las Vegas Harry Reid Intl

Monday

Allegiant Air

Allegiant Air

Wednesday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Saturday

Allegiant Air

Allegiant Air

See more direct flights

Direct returns

Las Vegas Harry Reid Intl to Knoxville McGhee Tyson

Monday

Allegiant Air

Allegiant Air

Wednesday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Saturday

Allegiant Air

Allegiant Air

See more direct flights

More options for your flight from Knoxville to Las Vegas

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