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: 09/26/2026

One-way

Basic

From
$158
Seen: 15 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 09/24/2026

One-way

Basic

From
$158
Seen: 13 hrs ago

Reno/Tahoe (RNO)to

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

One-way

Basic

From
$158
Seen: 10 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 09/30/2026

One-way

Basic

From
$158
Seen: 3 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 10/13/2026

One-way

Basic

From
$158
Seen: 3 hrs ago

Reno/Tahoe (RNO)to

Ontario/LA (ONT)
Depart: 09/10/2026

One-way

Basic

From
$158
Seen: 32 minutes ago

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Explore flights from Reno/Tahoe to Ontario/LA

Aug 2026
From$341*
Seen: 12 hrs ago
One Way/Basic
Sep 2026
From$158*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$158*
Seen: 4 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 August-2026
  • RNO–ONT, 08/21/2026: From $341
    21

    Fri

    AUG

  • RNO–ONT: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

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    23

    Sun

  • RNO–ONT, 08/24/2026: From $341
    24

    Mon

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    25

    Tue

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

    Wed

  • RNO–ONT, 08/27/2026: From $341
    27

    Thu

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    28

    Fri

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    29

    Sat

  • RNO–ONT, 08/30/2026: From $341
    30

    Sun

  • RNO–ONT: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • RNO–ONT, 09/01/2026: From $295
    01

    Tue

    SEP

  • RNO–ONT, 09/02/2026: From $158
    02

    Wed

  • RNO–ONT, 09/03/2026: From $246
    03

    Thu

  • RNO–ONT, 09/04/2026: From $246
    04

    Fri

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    05

    Sat

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    06

    Sun

  • RNO–ONT, 09/07/2026: From $341
    07

    Mon

  • RNO–ONT, 09/08/2026: From $265
    08

    Tue

  • RNO–ONT, 09/09/2026: From $196
    09

    Wed

  • RNO–ONT, 09/10/2026: From $158
    10

    Thu

  • RNO–ONT: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

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    12

    Sat

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    13

    Sun

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    14

    Mon

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    15

    Tue

  • RNO–ONT, 09/16/2026: From $158
    16

    Wed

  • RNO–ONT, 09/17/2026: From $158
    17

    Thu

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

    Fri

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    19

    Sat

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    20

    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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