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Find cheap flights from Phoenix to Idaho from $48

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Phoenix to Idaho departing on 6/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

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Best Idaho Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Boise
Boise1 stop$85

Good to know

Cheapest flight

$48
Flight from Phoenix Sky Harbor Airport to Boise

FAQs - booking Idaho flights

  • How does KAYAK find such low prices on flights from Phoenix to Idaho?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phoenix to Idaho.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phoenix to Idaho?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho from Phoenix is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Phoenix to Idaho?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho with an airline and back to Phoenix with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phoenix to Idaho?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho from Phoenix up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Phoenix to Idaho

Recent round-trip flight deals

7/23Tue
1 stopSpirit Airlines
13h 57mPHX-BOI
7/30Tue
1 stopSpirit Airlines
8h 23mBOI-PHX
$85
7/9Tue
1 stopSpirit Airlines
5h 23mPHX-BOI
7/16Tue
1 stopSpirit Airlines
8h 23mBOI-PHX
$101
6/24Mon
nonstopAllegiant Air
2h 05mAZA-BOI
7/1Mon
nonstopAllegiant Air
2h 07mBOI-AZA
$115
7/23Tue
1 stop
7h 57mPHX-BOI
7/30Tue
1 stop
8h 23mBOI-PHX
$134
8/3Sat
nonstopAmerican Airlines
2h 35mPHX-GEG
8/13Tue
nonstopAmerican Airlines
2h 38mGEG-PHX
$159
7/22Mon
nonstopAllegiant Air
2h 03mAZA-BOI
7/29Mon
nonstopAllegiant Air
2h 06mBOI-AZA
$165
8/28Wed
nonstopAmerican Airlines
2h 35mPHX-GEG
8/31Sat
nonstopAmerican Airlines
2h 38mGEG-PHX
$168
7/9Tue
1 stopDelta
7h 03mPHX-GEG
7/15Mon
1 stopDelta
6h 27mGEG-PHX
$178
7/17Wed
1 stop
13h 07mPHX-BOI
7/22Mon
1 stop
9h 22mBOI-PHX
$181
9/20Fri
1 stopDelta
6h 00mPHX-GEG
9/23Mon
1 stopDelta
4h 49mGEG-PHX
$196

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Recent one-way flight deals

6/26Wed
1 stopSpirit Airlines
7h 31mPHX-BOI
$48
6/17Mon
1 stopSpirit Airlines
7h 44mPHX-BOI
$61
7/10Wed
1 stopSpirit Airlines
13h 43mPHX-BOI
$71
7/30Tue
nonstopAmerican Airlines
2h 35mPHX-GEG
$80
7/13Sat
1 stop
10h 37mPHX-GEG
$82
7/12Fri
1 stopAlaska Airlines
6h 06mPHX-GEG
$88
7/4Thu
1 stopAlaska Airlines
6h 06mPHX-GEG
$89
6/17Mon
nonstopAllegiant Air
2h 05mAZA-BOI
$90
7/13Sat
nonstopAmerican Airlines
2h 35mPHX-GEG
$131
7/10Wed
2 stops
23h 36mAZA-BOI
$160

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Search by price

Last minute flights from Phoenix to Idaho

Last minute flight, train and bus deals

6/15Sat
multi-stopSpirit Airlines
7h 44mPHX-BOI
6/18Tue
multi-stopSpirit Airlines
14h 36mBOI-PHX
$111
6/15Sat
multi-stopSpirit Airlines
7h 44mPHX-BOI
6/20Thu
multi-stopSpirit Airlines
14h 36mBOI-PHX
$142
6/15Sat
multi-stop
21h 41mPHX-BOI
6/20Thu
multi-stop
14h 36mBOI-PHX
$277
6/10Mon
nonstopAllegiant Air
2h 05mAZA-BOI
6/21Fri
nonstopAllegiant Air
2h 07mBOI-AZA
$292
6/12Wed
multi-stop
23h 37mPHX-BOI
6/19Wed
multi-stop
14h 47mBOI-PHX
$304
6/10Mon
nonstopAllegiant Air
2h 05mAZA-BOI
6/17Mon
nonstopAllegiant Air
2h 07mBOI-AZA
$310
6/13Thu
multi-stopDelta
5h 24mPHX-GEG
6/17Mon
multi-stopDelta
6h 19mGEG-PHX
$386
6/15Sat
nonstopAmerican Airlines
2h 43mPHX-GEG
6/18Tue
nonstopAmerican Airlines
2h 38mGEG-PHX
$395
6/13Thu
nonstopAmerican Airlines
2h 34mPHX-GEG
6/18Tue
nonstopAmerican Airlines
2h 38mGEG-PHX
$414
6/13Thu
multi-stopDelta
3h 25mPHX-SUN
6/20Thu
multi-stopDelta
5h 53mSUN-PHX
$617

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Flights to Idaho

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