FFL Helper
Phoenix PHX
$162
BOI → PHX · Frontier Airlines
FFL Helper / Boise / Phoenix / August 2026
BOI → PHX · 2026-08
Boise to Phoenix in August 2026
Dated one-way fares from Boise to Phoenix in August 2026. Use the calendar to see which days are cheaper.
Lowest this month
$162
Highest this month
$162
Sample fare
$162
Airports
BOI–PHX
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Other months: August 2026 · Full route
August 2026 price calendar
August 2026
From $162
Mon
Tue
Wed
Thu
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Sun
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$162
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Dated fares
Booking BOI to PHX in August 2026
This page is only August 2026 on the Boise to Phoenix route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Boise to Phoenix in August 2026.