Southwest® flights from Reno/Tahoe to Ontario/LA from $158

Promo Code

Low fares from Reno/Tahoe to Ontario/LA

$

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 09/03/2026

One-way

Basic

From
$158
Seen: 22 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 11/07/2026

One-way

Basic

From
$158
Seen: 19 hrs ago

Reno/Tahoe (RNO)to

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

One-way

Basic

From
$158
Seen: 13 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 09/06/2026

One-way

Basic

From
$158
Seen: 15 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 08/22/2026

One-way

Basic

From
$158
Seen: 9 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 10/01/2026

One-way

Basic

From
$158
Seen: 20 hrs ago

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Explore flights from Reno/Tahoe to Ontario/LA

Jul 2026
From$341*
Seen: 9 hrs ago
One Way/Basic
Aug 2026
From$158*
Seen: 22 hrs ago
One Way/Basic
Sep 2026
From$158*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $158
cmp-daily-histogram-bars-legend-max-price-aria-label $341
Displaying fares for July-2026
  • RNO–ONT, 07/31/2026: From $341
    31

    Fri

    JUL

  • RNO–ONT, 08/01/2026: From $341
    01

    Sat

  • RNO–ONT, 08/02/2026: From $341
    02

    Sun

  • RNO–ONT, 08/03/2026: From $341
    03

    Mon

  • RNO–ONT, 08/04/2026: From $295
    04

    Tue

  • RNO–ONT, 08/05/2026: From $295
    05

    Wed

  • RNO–ONT, 08/06/2026: From $341
    06

    Thu

  • RNO–ONT, 08/07/2026: From $341
    07

    Fri

  • RNO–ONT, 08/08/2026: From $295
    08

    Sat

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

    Sun

  • RNO–ONT, 08/10/2026: From $341
    10

    Mon

  • RNO–ONT, 08/11/2026: From $295
    11

    Tue

  • RNO–ONT, 08/12/2026: From $295
    12

    Wed

  • RNO–ONT, 08/13/2026: From $246
    13

    Thu

  • RNO–ONT, 08/14/2026: From $246
    14

    Fri

  • RNO–ONT, 08/15/2026: From $246
    15

    Sat

  • RNO–ONT, 08/16/2026: From $246
    16

    Sun

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

    Mon

  • RNO–ONT, 08/18/2026: From $158
    18

    Tue

  • RNO–ONT, 08/19/2026: From $158
    19

    Wed

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

    Thu

  • RNO–ONT, 08/21/2026: From $191
    21

    Fri

  • RNO–ONT, 08/22/2026: From $158
    22

    Sat

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

    Sun

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

    Mon

  • RNO–ONT, 08/25/2026: From $158
    25

    Tue

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

    Wed

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

    Thu

  • RNO–ONT, 08/28/2026: From $191
    28

    Fri

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

    Sat

  • RNO–ONT, 08/30/2026: From $191
    30

    Sun

    • Range$158-$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.

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