Southwest® flights from Knoxville to Las Vegas from $139

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Low fares from Knoxville to Las Vegas

$

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 12/07/2026

One-way

Basic

From
$139

Low fares from Knoxville to Las Vegas

$

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 12/07/2026

One-way

Basic

From
$139
Seen: 19 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 12/05/2026

One-way

Basic

From
$139
Seen: 20 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 02/01/2027

One-way

Basic

From
$160
Seen: 21 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 01/18/2027

One-way

Basic

From
$160
Seen: 23 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 12/25/2026

One-way

Basic

From
$160
Seen: 20 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 01/15/2027

One-way

Basic

From
$160
Seen: 19 hrs ago

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Explore flights from Knoxville to Las Vegas

Oct 2026
From$479*
Seen: 4 hrs ago
One Way/Basic
Nov 2026
From$225*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$139*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $225
cmp-daily-histogram-bars-legend-max-price-aria-label $604
Displaying fares for October-2026
  • TYS–LAS, 10/31/2026: From $479
    31

    Sat

    OCT

  • TYS–LAS, 11/01/2026: From $479
    01

    Sun

  • TYS–LAS, 11/02/2026: From $479
    02

    Mon

  • TYS–LAS, 11/03/2026: From $479
    03

    Tue

  • TYS–LAS, 11/04/2026: From $479
    04

    Wed

  • TYS–LAS, 11/05/2026: From $434
    05

    Thu

  • TYS–LAS, 11/06/2026: From $434
    06

    Fri

  • TYS–LAS, 11/07/2026: From $434
    07

    Sat

  • TYS–LAS, 11/08/2026: From $604
    08

    Sun

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

    Mon

  • TYS–LAS, 11/10/2026: From $434
    10

    Tue

  • TYS–LAS, 11/11/2026: From $434
    11

    Wed

  • TYS–LAS, 11/12/2026: From $329
    12

    Thu

  • TYS–LAS, 11/13/2026: From $329
    13

    Fri

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

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

    Sun

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

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

    Tue

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • TYS–LAS, 11/22/2026: From $315
    22

    Sun

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • TYS–LAS, 11/24/2026: From $332
    24

    Tue

  • TYS–LAS, 11/25/2026: From $310
    25

    Wed

  • TYS–LAS, 11/26/2026: From $225
    26

    Thu

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

    Fri

  • TYS–LAS, 11/28/2026: From $479
    28

    Sat

  • TYS–LAS, 11/29/2026: From $550
    29

    Sun

  • TYS–LAS, 11/30/2026: From $329
    30

    Mon

    • Range$225-$604

    *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

    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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