Southwest® flights from Montrose, CO to Phoenix from $140

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Low fares from Montrose, CO to Phoenix

$

Montrose, CO (MTJ)to

Phoenix (PHX)
Depart: 09/01/2026

One-way

Basic

From
$140
Seen: 20 hrs ago

Montrose, CO (MTJ)to

Phoenix (PHX)
Depart: 08/29/2026

One-way

Basic

From
$140
Seen: 19 hrs ago

Montrose, CO (MTJ)to

Phoenix (PHX)
Depart: 09/02/2026

One-way

Basic

From
$140
Seen: 21 hrs ago

Montrose, CO (MTJ)to

Phoenix (PHX)
Depart: 08/25/2026

One-way

Basic

From
$157
Seen: 2 hrs ago

Montrose, CO (MTJ)to

Phoenix (PHX)
Depart: 09/01/2026

One-way

Choice

From
$175
Seen: 20 hrs ago

Montrose, CO (MTJ)to

Phoenix (PHX)
Depart: 08/29/2026

One-way

Choice

From
$175
Seen: 19 hrs ago

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Explore flights from Montrose, CO to Phoenix

Aug 2026
From$140*
Seen: 19 hrs ago
One Way/Basic
Sep 2026
From$140*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
No result for this month.
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Displaying fares for August-2026
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  • MTJ–PHX, 08/13/2026: From $286
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  • MTJ–PHX, 08/17/2026: From $286
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  • MTJ–PHX, 08/25/2026: From $157
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  • MTJ–PHX, 08/29/2026: From $140
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  • MTJ–PHX, 08/30/2026: From $286
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    • Range$140-$286

    *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:
    Montrose Regional Airport
    Arriving at:
    Sky Harbor International Airport
    Distance:
    419 miles

    Route Information

    39† 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 39 weekly flights from Montrose, CO to Phoenix on Southwest Airlines.
    To find the lowest fares by day and time to fly Montrose, CO to Phoenix with Southwest, check out our Low Fare Calendar.
    You can rent a car at Sky Harbor International Airport book yours with your flight.
    Yes! Flights from Montrose, CO to Phoenix—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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