Southwest® flights from Colorado Springs to Ontario/LA from $201

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Low fares from Colorado Springs to Ontario/LA

$

Colorado Springs (COS)to

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

One-way

Basic

From
$188
Seen: 19 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 01/05/2027

One-way

Basic

From
$201
Seen: 3 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 01/04/2027

One-way

Basic

From
$213
Seen: 18 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 12/25/2026

One-way

Basic

From
$213
Seen: 22 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 12/01/2026

One-way

Basic

From
$213
Seen: 10 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 02/15/2027

One-way

Basic

From
$213
Seen: 6 hrs ago

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Explore flights from Colorado Springs to Ontario/LA

Nov 2026
From$262*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$213*
Seen: 10 hrs ago
One Way/Basic
Jan 2027
From$201*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $213
Displaying fares for November-2026
  • COS–ONT, 11/11/2026: From $262
    11

    Wed

    NOV

  • COS–ONT, 11/12/2026: From $311
    12

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  • COS–ONT, 11/13/2026: From $311
    13

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  • COS–ONT, 11/20/2026: From $349
    20

    Fri

  • COS–ONT, 11/21/2026: From $262
    21

    Sat

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    Sun

  • COS–ONT, 11/23/2026: From $309
    23

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  • COS–ONT, 11/27/2026: From $264
    27

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  • COS–ONT, 12/01/2026: From $213
    01

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    DEC

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    • Range$213-$349

    *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:
    City of Colorado Springs Municipal Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    789 miles

    Questions we hear the most

    There are 105 weekly flights from Colorado Springs to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Colorado Springs 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 Colorado Springs 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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