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Find cheap flights from Phoenix to Idaho from $73

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 5/26. 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
Fri 6/7
Fri 6/14

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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$109

Good to know

Cheapest flight

$73
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

5/29Wed
1 stopSpirit Airlines
7h 31mPHX-BOI
6/5Wed
1 stopSpirit Airlines
14h 47mBOI-PHX
$109
5/23Thu
1 stopSpirit Airlines
7h 49mPHX-BOI
5/28Tue
1 stopSpirit Airlines
14h 17mBOI-PHX
$119
7/1Mon
nonstopAllegiant Air
2h 05mAZA-BOI
7/15Mon
nonstopAllegiant Air
2h 06mBOI-AZA
$147
5/28Tue
1 stop
4h 05mPHX-BOI
6/5Wed
nonstop
2h 05mBOI-PHX
$167
7/24Wed
1 stop
9h 50mPHX-BOI
7/28Sun
nonstop
2h 09mBOI-PHX
$171
9/1Sun
nonstopAmerican Airlines
2h 45mPHX-GEG
9/7Sat
nonstopAmerican Airlines
2h 40mGEG-PHX
$189
5/30Thu
1 stopDelta
6h 23mPHX-GEG
5/31Fri
1 stopDelta
5h 13mGEG-PHX
$208
6/5Wed
nonstopAmerican Airlines
2h 43mPHX-GEG
6/11Tue
nonstopAmerican Airlines
2h 39mGEG-PHX
$211
5/31Fri
1 stopDelta
6h 23mPHX-GEG
6/1Sat
1 stopDelta
6h 55mGEG-PHX
$220
5/24Fri
nonstopAllegiant Air
2h 07mAZA-BOI
5/27Mon
nonstopAllegiant Air
2h 06mBOI-AZA
$258

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Recent one-way flight deals

5/26Sun
1 stopSpirit Airlines
6h 19mPHX-BOI
$73
6/13Thu
1 stopSpirit Airlines
7h 33mPHX-BOI
$83
6/16Sun
1 stopSpirit Airlines
5h 50mPHX-BOI
$93
5/29Wed
nonstopAmerican Airlines
2h 04mPHX-IDA
$95
5/29Wed
nonstopAmerican Airlines
2h 43mPHX-GEG
$97
5/29Wed
1 stopDelta
6h 15mPHX-GEG
$111
6/18Tue
1 stopDelta
6h 08mPHX-GEG
$124
5/31Fri
nonstopAlaska Airlines
2h 09mPHX-BOI
$130
5/20Mon
nonstopAllegiant Air
2h 06mAZA-BOI
$138
7/20Sat
2 stopsAlaska Airlines
11h 34mPHX-GEG
$181

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Last minute flights from Phoenix to Idaho

Last minute flight, train and bus deals

5/10Fri
nonstopAllegiant Air
2h 10mAZA-BOI
5/20Mon
nonstopAllegiant Air
2h 06mBOI-AZA
$181
5/13Mon
multi-stopSpirit Airlines
8h 00mPHX-BOI
5/18Sat
multi-stopSpirit Airlines
15h 36mBOI-PHX
$181
5/11Sat
multi-stopDelta
6h 51mPHX-BOI
5/15Wed
multi-stopDelta
5h 31mBOI-PHX
$258
5/11Sat
multi-stopAlaska Airlines
7h 05mPHX-BOI
5/14Tue
nonstopAlaska Airlines
2h 10mBOI-PHX
$268
5/13Mon
multi-stop
33h 20mPHX-BOI
5/18Sat
multi-stop
19h 57mBOI-PHX
$287
5/13Mon
multi-stop
33h 20mPHX-BOI
5/17Fri
multi-stop
14h 17mBOI-PHX
$292
5/13Mon
multi-stopDelta
5h 43mPHX-BOI
5/15Wed
multi-stopDelta
4h 09mBOI-PHX
$308
5/9Thu
nonstopAmerican Airlines
2h 10mPHX-BOI
5/11Sat
nonstopAmerican Airlines
2h 09mBOI-PHX
$339
5/9Thu
multi-stopAlaska Airlines
7h 05mPHX-BOI
5/11Sat
nonstopAlaska Airlines
2h 10mBOI-PHX
$348
5/9Thu
nonstopAmerican Airlines
2h 04mPHX-IDA
5/20Mon
nonstopAmerican Airlines
2h 04mIDA-PHX
$363

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Flights to Idaho

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