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Find cheap flights from Phoenix to Idaho from $68

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Phoenix to Idaho departing on 7/2. 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 7/6
Sat 7/13

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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$68

Good to know

Cheapest flight

$68
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

7/2Tue
1 stopSpirit Airlines
5h 23mPHX-BOI
7/10Wed
1 stopSpirit Airlines
8h 23mBOI-PHX
$68
7/2Tue
1 stopSpirit Airlines
9h 07mPHX-BOI
7/10Wed
1 stopSpirit Airlines
8h 23mBOI-PHX
$83
8/16Fri
nonstopAllegiant Air
2h 04mAZA-BOI
8/23Fri
nonstopAllegiant Air
2h 09mBOI-AZA
$86
7/17Wed
1 stop
13h 07mPHX-BOI
7/24Wed
1 stop
8h 23mBOI-PHX
$110
7/5Fri
nonstopAllegiant Air
2h 03mAZA-BOI
7/12Fri
nonstopAllegiant Air
2h 06mBOI-AZA
$116
9/3Tue
1 stop
4h 53mPHX-BOI
9/7Sat
1 stop
8h 31mBOI-PHX
$148
8/2Fri
1 stopAlaska Airlines
6h 06mPHX-GEG
8/10Sat
1 stopAlaska Airlines
7h 42mGEG-PHX
$178
8/8Thu
nonstopAmerican Airlines
2h 35mPHX-GEG
8/12Mon
nonstopAmerican Airlines
2h 38mGEG-PHX
$179
8/14Wed
1 stopAlaska Airlines
5h 39mPHX-GEG
8/20Tue
1 stopAlaska Airlines
7h 28mGEG-PHX
$188
8/14Wed
nonstopAmerican Airlines
2h 45mPHX-GEG
8/20Tue
nonstopAmerican Airlines
2h 38mGEG-PHX
$189

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Recent one-way flight deals

6/21Fri
1 stopSpirit Airlines
24h 14mPHX-BOI
$77
8/10Sat
nonstopAmerican Airlines
2h 36mPHX-GEG
$85
7/12Fri
1 stopAlaska Airlines
6h 06mPHX-GEG
$89
8/10Sat
1 stopDelta
6h 07mPHX-GEG
$94
6/22Sat
1 stopAlaska Airlines
5h 38mPHX-GEG
$98
6/25Tue
1 stopDelta
6h 13mPHX-GEG
$104
7/13Sat
1 stop
10h 37mPHX-GEG
$108
6/21Fri
2 stops
19h 24mPHX-BOI
$166
6/20Thu
1 stopUnited Airlines
6h 58mPHX-JAC
$335
6/22Sat
1 stopUnited Airlines
5h 19mPHX-WYS
$341

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Last minute flights from Phoenix to Idaho

Last minute flight, train and bus deals

6/8Sat
multi-stopSpirit Airlines
7h 44mPHX-BOI
6/12Wed
multi-stopSpirit Airlines
14h 47mBOI-PHX
$218
6/8Sat
multi-stop
21h 41mPHX-BOI
6/12Wed
multi-stop
14h 47mBOI-PHX
$312
6/8Sat
nonstopAmerican Airlines
2h 34mPHX-GEG
6/9Sun
nonstopAmerican Airlines
2h 38mGEG-PHX
$494
6/8Sat
multi-stopDelta
7h 51mPHX-GEG
6/9Sun
multi-stopDelta
7h 32mGEG-PHX
$502
6/8Sat
nonstopAlaska Airlines
2h 09mPHX-BOI
6/12Wed
nonstopAlaska Airlines
2h 05mBOI-PHX
$508
6/7Fri
multi-stopDelta
7h 10mPHX-GEG
6/9Sun
multi-stopDelta
6h 12mGEG-PHX
$510
6/10Mon
multi-stopAlaska Airlines
7h 16mPHX-IDA
6/17Mon
multi-stopAlaska Airlines
5h 55mIDA-PHX
$587
6/7Fri
nonstopAmerican Airlines
2h 34mPHX-GEG
6/9Sun
nonstopAmerican Airlines
2h 38mGEG-PHX
$591
6/7Fri
multi-stopUnited Airlines
6h 08mPHX-JAC
6/14Fri
multi-stopUnited Airlines
7h 29mJAC-PHX
$627
6/7Fri
multi-stopUnited Airlines
5h 27mPHX-BOI
6/10Mon
multi-stopUnited Airlines
8h 35mBOI-PHX
$681

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Flights to Idaho

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