Southwest® flights from Knoxville to Las Vegas from $133

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Low fares from Knoxville to Las Vegas

$

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/29/2026

One-way

Basic

From
$133

Low fares from Knoxville to Las Vegas

$

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/29/2026

One-way

Basic

From
$133
Seen: 16 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/24/2026

One-way

Basic

From
$133
Seen: 9 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 11/12/2026

One-way

Basic

From
$133
Seen: 2 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 10/22/2026

One-way

Basic

From
$133
Seen: 20 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 09/16/2026

One-way

Basic

From
$133
Seen: 2 hrs ago

Knoxville (TYS)to

Las Vegas (LAS)
Depart: 09/26/2026

One-way

Basic

From
$133
Seen: 23 hrs ago

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Explore flights from Knoxville to Las Vegas

Aug 2026
From$409*
Seen: 6 hrs ago
One Way/Basic
Sep 2026
From$133*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$133*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $156
cmp-daily-histogram-bars-legend-max-price-aria-label $454
Displaying fares for August-2026
  • TYS–LAS, 08/11/2026: From $454
    11

    Tue

    AUG

  • TYS–LAS, 08/12/2026: From $454
    12

    Wed

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

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

    Fri

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    15

    Sat

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

    Sun

  • TYS–LAS, 08/17/2026: From $409
    17

    Mon

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

    Tue

  • TYS–LAS, 08/19/2026: From $409
    19

    Wed

  • TYS–LAS, 08/20/2026: From $409
    20

    Thu

  • TYS–LAS, 08/21/2026: From $409
    21

    Fri

  • TYS–LAS, 08/22/2026: From $409
    22

    Sat

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

    Sun

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

  • TYS–LAS: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

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

    Tue

    SEP

  • TYS–LAS, 09/02/2026: From $156
    02

    Wed

  • TYS–LAS, 09/03/2026: From $345
    03

    Thu

  • TYS–LAS, 09/04/2026: From $345
    04

    Fri

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    05

    Sat

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    06

    Sun

  • TYS–LAS, 09/07/2026: From $340
    07

    Mon

  • TYS–LAS, 09/08/2026: From $244
    08

    Tue

  • TYS–LAS, 09/09/2026: From $156
    09

    Wed

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

    Thu

    • Range$156-$454

    *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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