Southwest® flights from Ontario/LA to Detroit from $198

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Low fares from Ontario/LA to Detroit

$

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 09/30/2026

One-way

Basic

From
$198
Seen: 23 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 09/17/2026

One-way

Basic

From
$198
Seen: 17 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 10/19/2026

One-way

Basic

From
$198
Seen: 9 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 08/25/2026

One-way

Basic

From
$198
Seen: 4 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 10/21/2026

One-way

Basic

From
$198
Seen: 1 hour ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 08/29/2026

One-way

Basic

From
$198
Seen: 1 hour ago

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Explore flights from Ontario/LA to Detroit

Aug 2026
From$198*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$198*
Seen: 10 hrs ago
One Way/Basic
Oct 2026
From$198*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $198
cmp-daily-histogram-bars-legend-max-price-aria-label $604
Displaying fares for August-2026
  • ONT–DTW, 08/04/2026: From $604
    04

    Tue

    AUG

  • ONT–DTW, 08/05/2026: From $604
    05

    Wed

  • ONT–DTW, 08/06/2026: From $604
    06

    Thu

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    07

    Fri

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    08

    Sat

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

    Sun

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    10

    Mon

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

    Tue

  • ONT–DTW, 08/12/2026: From $527
    12

    Wed

  • ONT–DTW, 08/13/2026: From $527
    13

    Thu

  • ONT–DTW, 08/14/2026: From $527
    14

    Fri

  • ONT–DTW, 08/15/2026: From $527
    15

    Sat

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    16

    Sun

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    17

    Mon

  • ONT–DTW, 08/18/2026: From $338
    18

    Tue

  • ONT–DTW, 08/19/2026: From $338
    19

    Wed

  • ONT–DTW, 08/20/2026: From $338
    20

    Thu

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

    Fri

  • ONT–DTW, 08/22/2026: From $338
    22

    Sat

  • ONT–DTW, 08/23/2026: From $325
    23

    Sun

  • ONT–DTW, 08/24/2026: From $230
    24

    Mon

  • ONT–DTW, 08/25/2026: From $198
    25

    Tue

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

    Wed

  • ONT–DTW, 08/27/2026: From $230
    27

    Thu

  • ONT–DTW, 08/28/2026: From $272
    28

    Fri

  • ONT–DTW, 08/29/2026: From $198
    29

    Sat

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    30

    Sun

  • ONT–DTW: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • ONT–DTW, 09/01/2026: From $198
    01

    Tue

    SEP

  • ONT–DTW, 09/02/2026: From $198
    02

    Wed

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

    Thu

    • Range$198-$604

    *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:
    Wayne County Airport
    Distance:
    1934 miles

    Route Information

    77† 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 77 weekly flights from Ontario/LA to Detroit on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Detroit with Southwest, check out our Low Fare Calendar.
    You can rent a car at Wayne County Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Detroit—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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