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

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Low fares from Ontario/LA to Chicago-Midway

$

Ontario/LA (ONT)to

Chicago-Midway (MDW)
Depart: 02/20/2027

One-way

Basic

From
$136
Seen: 18 hrs ago

Ontario/LA (ONT)to

Chicago-Midway (MDW)
Depart: 01/13/2027

One-way

Basic

From
$136
Seen: 21 hrs ago

Ontario/LA (ONT)to

Chicago-Midway (MDW)
Depart: 01/23/2027

One-way

Basic

From
$146
Seen: 22 hrs ago

Ontario/LA (ONT)to

Chicago-Midway (MDW)
Depart: 12/09/2026

One-way

Basic

From
$146
Seen: 10 hrs ago

Ontario/LA (ONT)to

Chicago-Midway (MDW)
Depart: 12/02/2026

One-way

Basic

From
$146
Seen: 10 hrs ago

Ontario/LA (ONT)to

Chicago-Midway (MDW)
Depart: 12/19/2026

One-way

Basic

From
$146
Seen: 23 hrs ago

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Explore flights from Ontario/LA to Chicago-Midway

Nov 2026
From$174*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$146*
Seen: 10 hrs ago
One Way/Basic
Jan 2027
From$136*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $146
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for November-2026
  • ONT–MDW, 11/13/2026: From $174
    13

    Fri

    NOV

  • ONT–MDW, 11/14/2026: From $179
    14

    Sat

  • ONT–MDW, 11/15/2026: From $174
    15

    Sun

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

    Mon

  • ONT–MDW, 11/17/2026: From $174
    17

    Tue

  • ONT–MDW, 11/18/2026: From $174
    18

    Wed

  • ONT–MDW: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • ONT–MDW, 11/20/2026: From $389
    20

    Fri

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

    Sat

  • ONT–MDW, 11/22/2026: From $174
    22

    Sun

  • ONT–MDW, 11/23/2026: From $174
    23

    Mon

  • ONT–MDW, 11/24/2026: From $174
    24

    Tue

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

    Wed

  • ONT–MDW, 11/26/2026: From $174
    26

    Thu

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

    Fri

  • ONT–MDW, 11/28/2026: From $389
    28

    Sat

  • ONT–MDW, 11/29/2026: From $379
    29

    Sun

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

    Mon

  • ONT–MDW, 12/01/2026: From $174
    01

    Tue

    DEC

  • ONT–MDW, 12/02/2026: From $146
    02

    Wed

  • ONT–MDW, 12/03/2026: From $166
    03

    Thu

  • ONT–MDW, 12/04/2026: From $174
    04

    Fri

  • ONT–MDW, 12/05/2026: From $166
    05

    Sat

  • ONT–MDW, 12/06/2026: From $164
    06

    Sun

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

    Mon

  • ONT–MDW, 12/08/2026: From $174
    08

    Tue

  • ONT–MDW, 12/09/2026: From $146
    09

    Wed

  • ONT–MDW, 12/10/2026: From $166
    10

    Thu

  • ONT–MDW, 12/11/2026: From $164
    11

    Fri

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

    Sat

    • Range$146-$389

    *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:
    Chicago Midway International Airport
    Average flight time:
    3 hours 50 minutes
    Distance:
    1706 miles

    Questions we hear the most

    The average flight time from Ontario/LA to Chicago (Midway) is 3 hours 50 minutes.
    There are 156 weekly flights from Ontario/LA to Chicago (Midway) on Southwest Airlines.
    Yes, Southwest flies nonstop from Ontario/LA to Chicago (Midway) once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Ontario/LA to Chicago (Midway) once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Ontario/LA to Chicago (Midway) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Chicago Midway International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Chicago (Midway)—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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