Southwest® flights from Ontario/LA to Reno/Tahoe from $166

Promo Code

Low fares from Ontario/LA to Reno/Tahoe

$

Ontario/LA (ONT)to

Reno/Tahoe (RNO)
Depart: 12/17/2026

One-way

Basic

From
$166
Seen: 22 hrs ago

Ontario/LA (ONT)to

Reno/Tahoe (RNO)
Depart: 11/23/2026

One-way

Basic

From
$166
Seen: 13 hrs ago

Ontario/LA (ONT)to

Reno/Tahoe (RNO)
Depart: 10/20/2026

One-way

Basic

From
$166
Seen: 15 hrs ago

Ontario/LA (ONT)to

Reno/Tahoe (RNO)
Depart: 11/03/2026

One-way

Basic

From
$166
Seen: 9 hrs ago

Ontario/LA (ONT)to

Reno/Tahoe (RNO)
Depart: 12/05/2026

One-way

Basic

From
$166
Seen: 14 hrs ago

Ontario/LA (ONT)to

Reno/Tahoe (RNO)
Depart: 10/19/2026

One-way

Basic

From
$185
Seen: 10 hrs ago

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Explore flights from Ontario/LA to Reno/Tahoe

Sep 2026
From$305*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$166*
Seen: 15 hrs ago
One Way/Basic
Nov 2026
From$166*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $166
cmp-daily-histogram-bars-legend-max-price-aria-label $362
Displaying fares for September-2026
  • ONT–RNO, 09/21/2026: From $362
    21

    Mon

    SEP

  • ONT–RNO, 09/22/2026: From $305
    22

    Tue

  • ONT–RNO, 09/23/2026: From $305
    23

    Wed

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

    Thu

  • ONT–RNO, 09/25/2026: From $351
    25

    Fri

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

    Sat

  • ONT–RNO, 09/27/2026: From $351
    27

    Sun

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

    Mon

  • ONT–RNO, 09/29/2026: From $305
    29

    Tue

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

    Wed

  • ONT–RNO, 10/01/2026: From $351
    01

    Thu

    OCT

  • ONT–RNO, 10/02/2026: From $351
    02

    Fri

  • ONT–RNO, 10/03/2026: From $256
    03

    Sat

  • ONT–RNO, 10/04/2026: From $256
    04

    Sun

  • ONT–RNO, 10/05/2026: From $256
    05

    Mon

  • ONT–RNO: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

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

    Wed

  • ONT–RNO, 10/08/2026: From $256
    08

    Thu

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

    Fri

  • ONT–RNO: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • ONT–RNO, 10/11/2026: From $240
    11

    Sun

  • ONT–RNO, 10/12/2026: From $220
    12

    Mon

  • ONT–RNO, 10/13/2026: From $185
    13

    Tue

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

    Wed

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

    Thu

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

    Fri

  • ONT–RNO, 10/17/2026: From $185
    17

    Sat

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

    Sun

  • ONT–RNO, 10/19/2026: From $185
    19

    Mon

  • ONT–RNO, 10/20/2026: From $166
    20

    Tue

    • Range$166-$362

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

    Route Information

    126† 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 126 weekly flights from Ontario/LA to Reno/Tahoe on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Reno/Tahoe with Southwest, check out our Low Fare Calendar.
    You can rent a car at Reno-Tahoe International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Reno/Tahoe—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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