Southwest® flights from Phoenix to Boise from $66

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Low fares from Phoenix to Boise

$

Phoenix (PHX)to

Boise (BOI)
Depart: 04/18/2026

One-way

Basic

From
$66
Seen: 12 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 02/28/2026

One-way

Basic

From
$66
Seen: 46 minutes ago

Phoenix (PHX)to

Boise (BOI)
Depart: 03/07/2026

One-way

Basic

From
$66
Seen: 14 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 05/09/2026

One-way

Basic

From
$74
Seen: 1 hour ago

Phoenix (PHX)to

Boise (BOI)
Depart: 04/22/2026

One-way

Basic

From
$79
Seen: 22 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 04/08/2026

One-way

Basic

From
$79
Seen: 12 hrs ago

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Explore flights from Phoenix to Boise

*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:
Sky Harbor International Airport
Arriving at:
Boise Airport
Average flight time:
2 hours 7 minutes
Distance:
735 miles

Route Information

134† Weekly flights
  • 2‡ Nonstop flights per day Monday through Friday
  • 1‡ Nonstop flight on Saturday
  • 2‡ Nonstop flights on Sunday

† 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

The average flight time from Phoenix to Boise is 2 hours 7 minutes.
There are 134 weekly flights from Phoenix to Boise on Southwest Airlines.
Yes, Southwest flies nonstop from Phoenix to Boise 2 times per day from Monday through Friday.
Yes, Southwest flies nonstop from Phoenix to Boise once per day on Saturdays and 2 times per day on Sundays.
To find the lowest fares by day and time to fly Phoenix to Boise with Southwest, check out our Low Fare Calendar.
You can rent a car at Boise Airport book yours with your flight.
Yes! Flights from Phoenix to Boise—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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