Southwest® flights from Reno/Tahoe to Ontario/LA from $145

Promo Code

Low fares from Reno/Tahoe to Ontario/LA

$

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 10/08/2026

One-way

Basic

From
$145
Seen: 5 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 10/14/2026

One-way

Basic

From
$158
Seen: 15 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 12/05/2026

One-way

Basic

From
$158
Seen: 15 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 12/16/2026

One-way

Basic

From
$158
Seen: 7 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 10/15/2026

One-way

Basic

From
$158
Seen: 23 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 10/28/2026

One-way

Basic

From
$158
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 Reno/Tahoe to Ontario/LA

Sep 2026
From$158*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$145*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$158*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $145
cmp-daily-histogram-bars-legend-max-price-aria-label $341
Displaying fares for September-2026
  • RNO–ONT, 09/10/2026: From $341
    10

    Thu

    SEP

  • RNO–ONT, 09/11/2026: From $341
    11

    Fri

  • RNO–ONT, 09/12/2026: From $295
    12

    Sat

  • RNO–ONT, 09/13/2026: From $341
    13

    Sun

  • RNO–ONT: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • RNO–ONT, 09/15/2026: From $295
    15

    Tue

  • RNO–ONT, 09/16/2026: From $295
    16

    Wed

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

    Thu

  • RNO–ONT, 09/18/2026: From $341
    18

    Fri

  • RNO–ONT, 09/19/2026: From $295
    19

    Sat

  • RNO–ONT, 09/20/2026: From $341
    20

    Sun

  • RNO–ONT: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • RNO–ONT, 09/22/2026: From $295
    22

    Tue

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

    Wed

  • RNO–ONT, 09/24/2026: From $246
    24

    Thu

  • RNO–ONT, 09/25/2026: From $246
    25

    Fri

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

    Sat

  • RNO–ONT, 09/27/2026: From $246
    27

    Sun

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

    Mon

  • RNO–ONT, 09/29/2026: From $246
    29

    Tue

  • RNO–ONT, 09/30/2026: From $158
    30

    Wed

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

    Thu

    OCT

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

    Fri

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

    Sat

  • RNO–ONT, 10/04/2026: From $219
    04

    Sun

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

    Mon

  • RNO–ONT, 10/06/2026: From $158
    06

    Tue

  • RNO–ONT: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • RNO–ONT, 10/08/2026: From $145
    08

    Thu

  • RNO–ONT, 10/09/2026: From $195
    09

    Fri

    • Range$145-$341

    *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:
    Reno-Tahoe International Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    394 miles

    Route Information

    142† 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 142 weekly flights from Reno/Tahoe to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Reno/Tahoe 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 Reno/Tahoe 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 Reno/Tahoe