Southwest® flights from Montrose, CO to Ontario/LA from $106

Promo Code

Low fares from Montrose, CO to Ontario/LA

$

Montrose, CO (MTJ)to

Ontario/LA (ONT)
Depart: 04/14/2026

One-way

Basic

From
$106
Seen: 11 hrs ago

Montrose, CO (MTJ)to

Ontario/LA (ONT)
Depart: 04/14/2026

One-way

Choice

From
$141
Seen: 11 hrs ago

Montrose, CO (MTJ)to

Ontario/LA (ONT)
Depart: 03/16/2026

One-way

Basic

From
$185
Seen: 14 hrs ago

Montrose, CO (MTJ)to

Ontario/LA (ONT)
Depart: 02/25/2026

One-way

Basic

From
$190
Seen: 14 hrs ago

Montrose, CO (MTJ)to

Ontario/LA (ONT)
Depart: 04/14/2026

One-way

Choice Preferred

From
$211
Seen: 11 hrs ago

Montrose, CO (MTJ)to

Ontario/LA (ONT)
Depart: 03/16/2026

One-way

Choice

From
$220
Seen: 14 hrs ago

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Explore flights from Montrose, CO to Ontario/LA

*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.

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