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Find cheap flights from Phoenix to Idaho from $59

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 6/14. 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
Sat 6/15
Sat 6/22

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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$100

Good to know

Cheapest flight

$59
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

7/16Tue
1 stopSpirit Airlines
14h 01mPHX-BOI
7/23Tue
1 stopSpirit Airlines
8h 19mBOI-PHX
$100
7/16Tue
1 stopSpirit Airlines
14h 01mPHX-BOI
7/23Tue
1 stopSpirit Airlines
8h 19mBOI-PHX
$104
6/10Mon
nonstopAllegiant Air
2h 05mAZA-BOI
6/21Fri
nonstopAllegiant Air
2h 07mBOI-AZA
$123
9/28Sat
1 stop
9h 44mPHX-BOI
9/30Mon
nonstop
2h 08mBOI-PHX
$146
6/28Fri
nonstopAllegiant Air
2h 05mAZA-BOI
7/29Mon
nonstopAllegiant Air
2h 06mBOI-AZA
$149
6/18Tue
1 stop
9h 07mPHX-BOI
6/21Fri
nonstop
2h 09mBOI-PHX
$178
6/11Tue
nonstopAmerican Airlines
2h 01mPHX-BOI
6/19Wed
nonstopAmerican Airlines
2h 15mBOI-PHX
$179
6/20Thu
1 stopDelta
5h 55mPHX-BOI
6/23Sun
1 stopDelta
5h 49mBOI-PHX
$208
6/23Sun
nonstopAmerican Airlines
2h 01mPHX-BOI
6/26Wed
nonstopAmerican Airlines
2h 08mBOI-PHX
$219
7/4Thu
1 stopDelta
5h 13mPHX-BOI
7/6Sat
1 stopDelta
3h 58mBOI-PHX
$228

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Recent one-way flight deals

6/14Fri
1 stop
23h 21mPHX-BOI
$59
9/27Fri
nonstopAllegiant Air
2h 06mAZA-BOI
$67
6/14Fri
1 stopSpirit Airlines
24h 14mPHX-BOI
$77
5/28Tue
1 stopSpirit Airlines
4h 05mPHX-BOI
$83
6/11Tue
nonstopAlaska Airlines
2h 09mPHX-BOI
$90
7/24Wed
1 stopDelta
6h 13mPHX-BOI
$99
5/25Sat
1 stopDelta
4h 31mPHX-BOI
$104
6/8Sat
nonstopAlaska Airlines
2h 09mPHX-BOI
$115
6/18Tue
nonstopAmerican Airlines
2h 34mPHX-GEG
$115
6/12Wed
nonstopAmerican Airlines
2h 34mPHX-GEG
$125

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Last minute flights from Phoenix to Idaho

Last minute flight, train and bus deals

5/21Tue
multi-stopSpirit Airlines
4h 05mPHX-BOI
5/28Tue
multi-stopSpirit Airlines
14h 17mBOI-PHX
$141
5/21Tue
multi-stopSpirit Airlines
4h 05mPHX-BOI
5/22Wed
multi-stopSpirit Airlines
14h 34mBOI-PHX
$145
5/21Tue
multi-stopDelta
6h 15mPHX-GEG
5/30Thu
multi-stopDelta
7h 01mGEG-PHX
$210
5/21Tue
multi-stopAlaska Airlines
5h 16mPHX-GEG
5/29Wed
multi-stopAlaska Airlines
5h 02mGEG-PHX
$212
5/21Tue
nonstopAmerican Airlines
2h 43mPHX-GEG
5/30Thu
nonstopAmerican Airlines
2h 36mGEG-PHX
$241
5/18Sat
multi-stopDelta
7h 53mPHX-BOI
5/25Sat
multi-stopDelta
5h 09mBOI-PHX
$258
5/21Tue
multi-stopAlaska Airlines
5h 16mPHX-GEG
6/2Sun
multi-stopAlaska Airlines
5h 22mGEG-PHX
$297
5/18Sat
multi-stop
21h 55mPHX-BOI
5/25Sat
multi-stop
15h 36mBOI-PHX
$348
5/20Mon
multi-stop
8h 00mPHX-BOI
5/22Wed
nonstop
2h 05mBOI-PHX
$349
5/21Tue
nonstopAmerican Airlines
2h 11mPHX-BOI
5/23Thu
nonstopAmerican Airlines
2h 10mBOI-PHX
$410

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Flights to Idaho

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