Southwest® flights from Knoxville to Las Vegas from $160

Promo Code

Low fares from Knoxville to Las Vegas

$

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 09/11/2026

One-way

Basic

From
$160

Low fares from Knoxville to Las Vegas

$

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 09/11/2026

One-way

Basic

From
$160
Seen: 19 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/08/2026

One-way

Basic

From
$200
Seen: 20 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 09/24/2026

One-way

Basic

From
$200
Seen: 12 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 11/09/2026

One-way

Basic

From
$200
Seen: 17 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/16/2026

One-way

Basic

From
$200
Seen: 6 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/05/2026

One-way

Basic

From
$200
Seen: 5 hrs ago

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Explore flights from Knoxville to Las Vegas

Try alternate month or interact with individual days below in order to find offers.
Aug 2026
No result for this month.
Sep 2026
From$160*
Seen: 19 hrs ago
One Way/Basic
Oct 2026
From$200*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $160
cmp-daily-histogram-bars-legend-max-price-aria-label $584
Displaying fares for August-2026
  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

    AUG

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • TYS–LAS, 09/03/2026: From $464
    03

    Thu

  • TYS–LAS, 09/04/2026: From $459
    04

    Fri

  • TYS–LAS, 09/05/2026: From $459
    05

    Sat

  • TYS–LAS, 09/06/2026: From $330
    06

    Sun

  • TYS–LAS, 09/07/2026: From $500
    07

    Mon

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • TYS–LAS, 09/11/2026: From $160
    11

    Fri

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • TYS–LAS, 09/13/2026: From $410
    13

    Sun

  • TYS–LAS, 09/14/2026: From $309
    14

    Mon

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • TYS–LAS, 09/16/2026: From $309
    16

    Wed

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • TYS–LAS, 09/18/2026: From $309
    18

    Fri

  • TYS–LAS, 09/19/2026: From $309
    19

    Sat

  • TYS–LAS, 09/20/2026: From $584
    20

    Sun

  • TYS–LAS, 09/21/2026: From $270
    21

    Mon

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • TYS–LAS, 09/23/2026: From $200
    23

    Wed

  • TYS–LAS, 09/24/2026: From $200
    24

    Thu

  • TYS–LAS, 09/25/2026: From $200
    25

    Fri

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

    • Range$160-$584

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Mc Ghee Tyson Airport
    Arriving at:
    McCarran International Airport
    Distance:
    1739 miles

    Route Information

    80† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 80 weekly flights from Knoxville to Las Vegas on Southwest Airlines.
    To find the lowest fares by day and time to fly Knoxville to Las Vegas with Southwest, check out our Low Fare Calendar.
    You can rent a car at McCarran International Airport book yours with your flight.
    Yes! Flights from Knoxville to Las Vegas—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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