Southwest® flights from Ontario/LA to Knoxville from $189

Promo Code

Low fares from Ontario/LA to Knoxville

$

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 02/08/2027

One-way

Basic

From
$189

Low fares from Ontario/LA to Knoxville

$

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 02/08/2027

One-way

Basic

From
$189
Seen: 6 hrs ago

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 01/27/2027

One-way

Basic

From
$189
Seen: 6 hrs ago

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 12/05/2026

One-way

Basic

From
$189
Seen: 6 hrs ago

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 01/16/2027

One-way

Basic

From
$189
Seen: 6 hrs ago

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 11/26/2026

One-way

Basic

From
$189
Seen: 15 hrs ago

Ontario/LA (ONT)to

Knoxville (TYS)
Depart: 01/05/2027

One-way

Basic

From
$189
Seen: 15 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Ontario/LA to Knoxville

Try alternate month or interact with individual days below in order to find offers.
Oct 2026
No result for this month.
Nov 2026
From$189*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$189*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $786
Displaying fares for October-2026
  • ONT–TYS: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

    OCT

  • ONT–TYS, 11/01/2026: From $395
    01

    Sun

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

    Mon

  • ONT–TYS: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

  • ONT–TYS: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

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

    Thu

  • ONT–TYS: cmp-view-offers-disclaimer. Find Offers
    06

    Fri

  • ONT–TYS, 11/07/2026: From $296
    07

    Sat

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

    Sun

  • ONT–TYS, 11/09/2026: From $361
    09

    Mon

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

    Tue

  • ONT–TYS, 11/11/2026: From $296
    11

    Wed

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

    Thu

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

    Fri

  • ONT–TYS, 11/14/2026: From $274
    14

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • ONT–TYS, 11/19/2026: From $454
    19

    Thu

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

    Fri

  • ONT–TYS, 11/21/2026: From $307
    21

    Sat

  • ONT–TYS, 11/22/2026: From $308
    22

    Sun

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

    Mon

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

    Tue

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

    Wed

  • ONT–TYS, 11/26/2026: From $189
    26

    Thu

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

    Fri

  • ONT–TYS, 11/28/2026: From $385
    28

    Sat

  • ONT–TYS, 11/29/2026: From $786
    29

    Sun

  • ONT–TYS, 11/30/2026: From $361
    30

    Mon

    • Range$189-$786

    *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:
    LA/Ontario International Airport
    Arriving at:
    Mc Ghee Tyson Airport
    Distance:
    1902 miles

    Questions we hear the most

    There are 35 weekly flights from Ontario/LA to Knoxville on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA 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 Ontario/LA 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Ontario/LA