Southwest® flights from Las Vegas to Knoxville from $155

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Low fares from Las Vegas to Knoxville

$

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 09/11/2026

One-way

Basic

From
$155

Low fares from Las Vegas to Knoxville

$

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 09/11/2026

One-way

Basic

From
$155
Seen: 19 hrs ago

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 09/12/2026

One-way

Basic

From
$161
Seen: 18 hrs ago

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 09/05/2026

One-way

Basic

From
$165
Seen: 4 hrs ago

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 08/24/2026

One-way

Basic

From
$179
Seen: 20 hrs ago

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 11/04/2026

One-way

Basic

From
$184
Seen: 7 hrs ago

Las Vegas (LAS)to

Knoxville (TYS)
Depart: 09/15/2026

One-way

Basic

From
$184
Seen: 14 hrs ago

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Explore flights from Las Vegas to Knoxville

Aug 2026
From$179*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$155*
Seen: 19 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $179
cmp-daily-histogram-bars-legend-max-price-aria-label $589
Displaying fares for August-2026
  • LAS–TYS: cmp-view-offers-disclaimer. Find Offers
    03

    Mon

    AUG

  • LAS–TYS, 08/04/2026: From $454
    04

    Tue

  • LAS–TYS: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • LAS–TYS, 08/06/2026: From $449
    06

    Thu

  • LAS–TYS, 08/07/2026: From $454
    07

    Fri

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

    Sat

  • LAS–TYS, 08/09/2026: From $589
    09

    Sun

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

    Mon

  • LAS–TYS: cmp-view-offers-disclaimer. Find Offers
    11

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

  • LAS–TYS, 08/16/2026: From $304
    16

    Sun

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

    Mon

  • LAS–TYS, 08/18/2026: From $304
    18

    Tue

  • LAS–TYS, 08/19/2026: From $304
    19

    Wed

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

    Thu

  • LAS–TYS, 08/21/2026: From $304
    21

    Fri

  • LAS–TYS, 08/22/2026: From $189
    22

    Sat

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

    Sun

  • LAS–TYS, 08/24/2026: From $179
    24

    Mon

  • LAS–TYS, 08/25/2026: From $184
    25

    Tue

  • LAS–TYS, 08/26/2026: From $184
    26

    Wed

  • LAS–TYS, 08/27/2026: From $184
    27

    Thu

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

    Fri

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

    Sat

  • LAS–TYS, 08/30/2026: From $244
    30

    Sun

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

    Mon

  • LAS–TYS, 09/01/2026: From $184
    01

    Tue

    SEP

  • LAS–TYS, 09/02/2026: From $184
    02

    Wed

    • Range$179-$589

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

    Route Information

    63† 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 63 weekly flights from Las Vegas to Knoxville on Southwest Airlines.
    To find the lowest fares by day and time to fly Las Vegas to Knoxville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Mc Ghee Tyson Airport book yours with your flight.
    Yes! Flights from Las Vegas to Knoxville—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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