Southwest® flights from Chicago-Midway to Ontario/LA from $101

Promo Code

Low fares from Chicago-Midway to Ontario/LA

$

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 01/28/2027

One-way

Basic

From
$101
Seen: 22 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 01/21/2027

One-way

Basic

From
$101
Seen: 14 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 12/05/2026

One-way

Basic

From
$101
Seen: 1 hour ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 01/07/2027

One-way

Basic

From
$102
Seen: 1 hour ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 12/10/2026

One-way

Basic

From
$111
Seen: 16 hrs ago

Chicago-Midway (MDW)to

Ontario/LA (ONT)
Depart: 01/23/2027

One-way

Basic

From
$111
Seen: 12 hrs ago

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Explore flights from Chicago-Midway to Ontario/LA

Oct 2026
From$169*
Seen: 6 hrs ago
One Way/Basic
Nov 2026
From$111*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$101*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $111
cmp-daily-histogram-bars-legend-max-price-aria-label $339
Displaying fares for October-2026
  • MDW–ONT, 10/23/2026: From $169
    23

    Fri

    OCT

  • MDW–ONT, 10/24/2026: From $169
    24

    Sat

  • MDW–ONT, 10/25/2026: From $169
    25

    Sun

  • MDW–ONT, 10/26/2026: From $339
    26

    Mon

  • MDW–ONT, 10/27/2026: From $169
    27

    Tue

  • MDW–ONT, 10/28/2026: From $169
    28

    Wed

  • MDW–ONT, 10/29/2026: From $169
    29

    Thu

  • MDW–ONT, 10/30/2026: From $169
    30

    Fri

  • MDW–ONT, 10/31/2026: From $169
    31

    Sat

  • MDW–ONT: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

  • MDW–ONT: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • MDW–ONT, 11/03/2026: From $169
    03

    Tue

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

    Wed

  • MDW–ONT, 11/05/2026: From $169
    05

    Thu

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

    Fri

  • MDW–ONT, 11/07/2026: From $199
    07

    Sat

  • MDW–ONT, 11/08/2026: From $339
    08

    Sun

  • MDW–ONT, 11/09/2026: From $289
    09

    Mon

  • MDW–ONT, 11/10/2026: From $111
    10

    Tue

  • MDW–ONT, 11/11/2026: From $169
    11

    Wed

  • MDW–ONT, 11/12/2026: From $153
    12

    Thu

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

    Fri

  • MDW–ONT, 11/14/2026: From $177
    14

    Sat

  • MDW–ONT, 11/15/2026: From $269
    15

    Sun

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

    Mon

  • MDW–ONT, 11/17/2026: From $111
    17

    Tue

  • MDW–ONT, 11/18/2026: From $111
    18

    Wed

  • MDW–ONT, 11/19/2026: From $239
    19

    Thu

  • MDW–ONT, 11/20/2026: From $279
    20

    Fri

  • MDW–ONT, 11/21/2026: From $279
    21

    Sat

  • MDW–ONT, 11/22/2026: From $125
    22

    Sun

    • Range$111-$339

    *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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