Southwest® flights from Ontario/LA to Rochester from $217

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Low fares from Ontario/LA to Rochester

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Ontario/LA (ONT)to

Rochester (ROC)
Depart: 11/05/2026

One-way

Basic

From
$217
Seen: 23 hrs ago

Ontario/LA (ONT)to

Rochester (ROC)
Depart: 12/17/2026

One-way

Basic

From
$217
Seen: 7 hrs ago

Ontario/LA (ONT)to

Rochester (ROC)
Depart: 09/30/2026

One-way

Basic

From
$225
Seen: 3 hrs ago

Ontario/LA (ONT)to

Rochester (ROC)
Depart: 10/02/2026

One-way

Basic

From
$225
Seen: 5 minutes ago

Ontario/LA (ONT)to

Rochester (ROC)
Depart: 09/25/2026

One-way

Basic

From
$260
Seen: 19 hrs ago

Ontario/LA (ONT)to

Rochester (ROC)
Depart: 10/11/2026

One-way

Basic

From
$269
Seen: 18 hrs ago

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Explore flights from Ontario/LA to Rochester

Sep 2026
From$225*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$225*
Seen: 5 minutes ago
One Way/Basic
Nov 2026
From$217*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $225
Displaying fares for September-2026
  • ONT–ROC: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

    SEP

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

    Mon

  • ONT–ROC, 09/15/2026: From $433
    15

    Tue

  • ONT–ROC, 09/16/2026: From $433
    16

    Wed

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    17

    Thu

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

    Fri

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    19

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • ONT–ROC, 09/24/2026: From $469
    24

    Thu

  • ONT–ROC, 09/25/2026: From $260
    25

    Fri

  • ONT–ROC, 09/26/2026: From $285
    26

    Sat

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

    Sun

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

    Mon

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

    Tue

  • ONT–ROC, 09/30/2026: From $225
    30

    Wed

  • ONT–ROC, 10/01/2026: From $324
    01

    Thu

    OCT

  • ONT–ROC, 10/02/2026: From $225
    02

    Fri

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

    Sat

  • ONT–ROC: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

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    05

    Mon

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    06

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

  • ONT–ROC, 10/11/2026: From $269
    11

    Sun

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

    Mon

    • Range$225-$469

    *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:
    Greater Rochester International Airport
    Distance:
    2227 miles

    Route Information

    46† 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 46 weekly flights from Ontario/LA to Rochester on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Rochester with Southwest, check out our Low Fare Calendar.
    You can rent a car at Greater Rochester International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Rochester—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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