Southwest® flights from Chicago-Midway to Ontario/LA from $136

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Low fares from Chicago-Midway to Ontario/LA

$

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 02/10/2027

One-way

Basic

From
$136
Seen: 22 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 02/02/2027

One-way

Basic

From
$136
Seen: 13 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 01/19/2027

One-way

Basic

From
$136
Seen: 16 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 01/12/2027

One-way

Basic

From
$136
Seen: 16 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 02/17/2027

One-way

Basic

From
$136
Seen: 10 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 12/09/2026

One-way

Basic

From
$136
Seen: 5 hrs ago

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Explore flights from Chicago-Midway to Ontario/LA

Nov 2026
From$179*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$136*
Seen: 5 hrs ago
One Way/Basic
Jan 2027
From$136*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $136
cmp-daily-histogram-bars-legend-max-price-aria-label $509
Displaying fares for November-2026
  • MDW–ONT, 11/15/2026: From $344
    15

    Sun

    NOV

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

    Mon

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

    Tue

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    18

    Wed

  • MDW–ONT, 11/19/2026: From $339
    19

    Thu

  • MDW–ONT, 11/20/2026: From $339
    20

    Fri

  • MDW–ONT, 11/21/2026: From $239
    21

    Sat

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

    Sun

  • MDW–ONT, 11/23/2026: From $239
    23

    Mon

  • MDW–ONT, 11/24/2026: From $239
    24

    Tue

  • MDW–ONT, 11/25/2026: From $239
    25

    Wed

  • MDW–ONT, 11/26/2026: From $179
    26

    Thu

  • MDW–ONT, 11/27/2026: From $239
    27

    Fri

  • MDW–ONT, 11/28/2026: From $509
    28

    Sat

  • MDW–ONT, 11/29/2026: From $389
    29

    Sun

  • MDW–ONT, 11/30/2026: From $344
    30

    Mon

  • MDW–ONT, 12/01/2026: From $239
    01

    Tue

    DEC

  • MDW–ONT, 12/02/2026: From $179
    02

    Wed

  • MDW–ONT, 12/03/2026: From $179
    03

    Thu

  • MDW–ONT, 12/04/2026: From $179
    04

    Fri

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

    Sat

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

    Sun

  • MDW–ONT, 12/07/2026: From $216
    07

    Mon

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    08

    Tue

  • MDW–ONT, 12/09/2026: From $136
    09

    Wed

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

    Thu

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

    Fri

  • MDW–ONT, 12/12/2026: From $179
    12

    Sat

  • MDW–ONT: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • MDW–ONT, 12/14/2026: From $206
    14

    Mon

    • Range$136-$509

    *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:
    Chicago Midway International Airport
    Arriving at:
    LA/Ontario International Airport
    Average flight time:
    4 hours 14 minutes
    Distance:
    1706 miles

    Questions we hear the most

    The average flight time from Chicago (Midway) to Ontario/LA is 4 hours 14 minutes.
    There are 156 weekly flights from Chicago (Midway) to Ontario/LA on Southwest Airlines.
    Yes, Southwest flies nonstop from Chicago (Midway) to Ontario/LA once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Chicago (Midway) to Ontario/LA once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Chicago (Midway) 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 Chicago (Midway) 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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