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

Promo Code

Low fares from Nashville to Ontario/LA

$

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 10/07/2026

One-way

Basic

From
$189
Seen: 17 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 11/10/2026

One-way

Basic

From
$189
Seen: 10 hrs ago

Nashville (BNA)to

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

One-way

Basic

From
$189
Seen: 6 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 11/21/2026

One-way

Basic

From
$189
Seen: 20 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 10/29/2026

One-way

Basic

From
$189
Seen: 11 hrs ago

Nashville (BNA)to

Ontario/LA (ONT)
Depart: 11/18/2026

One-way

Basic

From
$189
Seen: 5 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 Nashville to Ontario/LA

Aug 2026
From$474*
Seen: 8 hrs ago
One Way/Basic
Sep 2026
From$199*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $199
cmp-daily-histogram-bars-legend-max-price-aria-label $524
Displaying fares for August-2026
  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

    AUG

  • BNA–ONT, 08/25/2026: From $524
    25

    Tue

  • BNA–ONT, 08/26/2026: From $524
    26

    Wed

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

    Thu

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • BNA–ONT, 08/31/2026: From $474
    31

    Mon

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

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

    Wed

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

    Thu

  • BNA–ONT, 09/04/2026: From $474
    04

    Fri

  • BNA–ONT, 09/05/2026: From $479
    05

    Sat

  • BNA–ONT, 09/06/2026: From $311
    06

    Sun

  • BNA–ONT, 09/07/2026: From $332
    07

    Mon

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

    Tue

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • BNA–ONT, 09/10/2026: From $311
    10

    Thu

  • BNA–ONT, 09/11/2026: From $311
    11

    Fri

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

    Sat

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

    Sun

  • BNA–ONT, 09/14/2026: From $209
    14

    Mon

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

    Tue

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

    Wed

  • BNA–ONT, 09/17/2026: From $199
    17

    Thu

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

    Fri

  • BNA–ONT: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • BNA–ONT, 09/20/2026: From $213
    20

    Sun

  • BNA–ONT, 09/21/2026: From $199
    21

    Mon

  • BNA–ONT, 09/22/2026: From $199
    22

    Tue

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

    Wed

    • Range$199-$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.

    Explore Flights from Other Popular Origins

    Popular Flights from Nashville