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

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Low fares from Nashville to Ontario/LA

$

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 09/11/2026

One-way

Basic

From
$189
Seen: 10 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 10/30/2026

One-way

Basic

From
$189
Seen: 10 minutes ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 09/05/2026

One-way

Basic

From
$189
Seen: 2 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 09/21/2026

One-way

Basic

From
$195
Seen: 21 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 09/12/2026

One-way

Basic

From
$195
Seen: 17 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 09/02/2026

One-way

Basic

From
$195
Seen: 13 hrs ago

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Explore flights from Nashville to Ontario/LA

Aug 2026
From$199*
Seen: 16 hrs ago
One Way/Basic
Sep 2026
From$189*
Seen: 10 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 10 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $195
cmp-daily-histogram-bars-legend-max-price-aria-label $524
Displaying fares for August-2026
  • BNA–ONT, 08/04/2026: From $524
    04

    Tue

    AUG

  • BNA–ONT, 08/05/2026: From $524
    05

    Wed

  • BNA–ONT, 08/06/2026: From $519
    06

    Thu

  • BNA–ONT, 08/07/2026: From $524
    07

    Fri

  • BNA–ONT, 08/08/2026: From $524
    08

    Sat

  • BNA–ONT, 08/09/2026: From $479
    09

    Sun

  • BNA–ONT, 08/10/2026: From $474
    10

    Mon

  • BNA–ONT, 08/11/2026: From $479
    11

    Tue

  • BNA–ONT, 08/12/2026: From $479
    12

    Wed

  • BNA–ONT, 08/13/2026: From $474
    13

    Thu

  • BNA–ONT, 08/14/2026: From $474
    14

    Fri

  • BNA–ONT, 08/15/2026: From $479
    15

    Sat

  • BNA–ONT, 08/16/2026: From $316
    16

    Sun

  • BNA–ONT, 08/17/2026: From $311
    17

    Mon

  • BNA–ONT, 08/18/2026: From $316
    18

    Tue

  • BNA–ONT, 08/19/2026: From $316
    19

    Wed

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

    Thu

  • BNA–ONT, 08/21/2026: From $311
    21

    Fri

  • BNA–ONT, 08/22/2026: From $316
    22

    Sat

  • BNA–ONT, 08/23/2026: From $229
    23

    Sun

  • BNA–ONT, 08/24/2026: From $204
    24

    Mon

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

    Tue

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • BNA–ONT, 08/27/2026: From $209
    27

    Thu

  • BNA–ONT, 08/28/2026: From $201
    28

    Fri

  • BNA–ONT, 08/29/2026: From $199
    29

    Sat

  • BNA–ONT, 08/30/2026: From $213
    30

    Sun

  • BNA–ONT, 08/31/2026: From $204
    31

    Mon

  • BNA–ONT, 09/01/2026: From $195
    01

    Tue

    SEP

  • BNA–ONT, 09/02/2026: From $195
    02

    Wed

  • BNA–ONT, 09/03/2026: From $199
    03

    Thu

    • Range$195-$524

    *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:
    Nashville Metropolitan Airport
    Arriving at:
    LA/Ontario International Airport
    Average flight time:
    4 hours 14 minutes
    Distance:
    1751 miles

    Route Information

    152† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight on Sunday

    † 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

    The average flight time from Nashville to Ontario/LA is 4 hours 14 minutes.
    There are 152 weekly flights from Nashville to Ontario/LA on Southwest Airlines.
    Yes, Southwest flies nonstop from Nashville to Ontario/LA once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Nashville to Ontario/LA once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Nashville to Ontario/LA with Southwest, check out our Low Fare Calendar.
    You can rent a car at LA/Ontario International Airport book yours with your flight.
    Yes! Flights from Nashville to Ontario/LA—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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