Southwest® flights from Ontario/LA to Detroit from $231

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Low fares from Ontario/LA to Detroit

$

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 12/18/2026

One-way

Basic

From
$231
Seen: 23 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 12/24/2026

One-way

Basic

From
$231
Seen: 11 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 11/23/2026

One-way

Basic

From
$231
Seen: 15 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 10/30/2026

One-way

Basic

From
$273
Seen: 23 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 12/29/2026

One-way

Basic

From
$273
Seen: 7 hrs ago

Ontario/LA (ONT)to

Detroit (DTW)
Depart: 12/10/2026

One-way

Basic

From
$273
Seen: 21 hrs ago

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Explore flights from Ontario/LA to Detroit

Oct 2026
From$273*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$231*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$231*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $273
cmp-daily-histogram-bars-legend-max-price-aria-label $614
Displaying fares for October-2026
  • ONT–DTW: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

    OCT

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

    Mon

  • ONT–DTW, 10/06/2026: From $614
    06

    Tue

  • ONT–DTW, 10/07/2026: From $614
    07

    Wed

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

    Thu

  • ONT–DTW, 10/09/2026: From $614
    09

    Fri

  • ONT–DTW, 10/10/2026: From $537
    10

    Sat

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

    Sun

  • ONT–DTW, 10/12/2026: From $537
    12

    Mon

  • ONT–DTW, 10/13/2026: From $537
    13

    Tue

  • ONT–DTW, 10/14/2026: From $537
    14

    Wed

  • ONT–DTW: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • ONT–DTW, 10/16/2026: From $537
    16

    Fri

  • ONT–DTW, 10/17/2026: From $348
    17

    Sat

  • ONT–DTW, 10/18/2026: From $348
    18

    Sun

  • ONT–DTW, 10/19/2026: From $348
    19

    Mon

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

    Tue

  • ONT–DTW, 10/21/2026: From $348
    21

    Wed

  • ONT–DTW, 10/22/2026: From $348
    22

    Thu

  • ONT–DTW, 10/23/2026: From $348
    23

    Fri

  • ONT–DTW: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • ONT–DTW, 10/25/2026: From $325
    25

    Sun

  • ONT–DTW, 10/26/2026: From $273
    26

    Mon

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

    Tue

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

    Wed

  • ONT–DTW, 10/29/2026: From $273
    29

    Thu

  • ONT–DTW, 10/30/2026: From $273
    30

    Fri

  • ONT–DTW, 10/31/2026: From $325
    31

    Sat

  • ONT–DTW, 11/01/2026: From $325
    01

    Sun

    NOV

  • ONT–DTW, 11/02/2026: From $293
    02

    Mon

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

    Tue

    • Range$273-$614

    *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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