Southwest® flights from Colorado Springs to Ontario/LA from $176

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Low fares from Colorado Springs to Ontario/LA

$

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 09/01/2026

One-way

Basic

From
$176
Seen: 2 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 09/12/2026

One-way

Basic

From
$176
Seen: 14 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 10/21/2026

One-way

Basic

From
$176
Seen: 1 hour ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 08/18/2026

One-way

Basic

From
$178
Seen: 20 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 08/29/2026

One-way

Basic

From
$178
Seen: 22 hrs ago

Colorado Springs (COS)to

Ontario/LA (ONT)
Depart: 10/30/2026

One-way

Basic

From
$178
Seen: 49 minutes ago

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Explore flights from Colorado Springs to Ontario/LA

Aug 2026
From$178*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$176*
Seen: 14 hrs ago
One Way/Basic
Oct 2026
From$176*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $176
cmp-daily-histogram-bars-legend-max-price-aria-label $352
Displaying fares for August-2026
  • COS–ONT, 08/02/2026: From $352
    02

    Sun

    AUG

  • COS–ONT, 08/03/2026: From $286
    03

    Mon

  • COS–ONT, 08/04/2026: From $237
    04

    Tue

  • COS–ONT, 08/05/2026: From $237
    05

    Wed

  • COS–ONT, 08/06/2026: From $286
    06

    Thu

  • COS–ONT, 08/07/2026: From $286
    07

    Fri

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

    Sat

  • COS–ONT, 08/09/2026: From $284
    09

    Sun

  • COS–ONT, 08/10/2026: From $284
    10

    Mon

  • COS–ONT, 08/11/2026: From $237
    11

    Tue

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

    Wed

  • COS–ONT, 08/13/2026: From $284
    13

    Thu

  • COS–ONT, 08/14/2026: From $284
    14

    Fri

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

    Sat

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

    Sun

  • COS–ONT, 08/17/2026: From $230
    17

    Mon

  • COS–ONT, 08/18/2026: From $178
    18

    Tue

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

    Wed

  • COS–ONT, 08/20/2026: From $230
    20

    Thu

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

    Fri

  • COS–ONT, 08/22/2026: From $178
    22

    Sat

  • COS–ONT, 08/23/2026: From $219
    23

    Sun

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

    Mon

  • COS–ONT: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

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

    Wed

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

    Thu

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

    Fri

  • COS–ONT, 08/29/2026: From $178
    29

    Sat

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

    Sun

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

    Mon

  • COS–ONT, 09/01/2026: From $176
    01

    Tue

    SEP

    • Range$176-$352

    *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

    Route Information

    105† 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 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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