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Find cheap flights from Phoenix to Idaho from $70

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 6/13. 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
Thu 6/27
Thu 7/4

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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$98

Good to know

Cheapest flight

$70
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

6/25Tue
1 stopSpirit Airlines
9h 07mPHX-BOI
7/2Tue
1 stopSpirit Airlines
14h 36mBOI-PHX
$98
6/12Wed
1 stopSpirit Airlines
7h 31mPHX-BOI
6/17Mon
1 stopSpirit Airlines
13h 13mBOI-PHX
$103
6/24Mon
nonstopAllegiant Air
2h 05mAZA-BOI
7/1Mon
nonstopAllegiant Air
2h 07mBOI-AZA
$121
9/1Sun
nonstop
2h 12mPHX-BOI
9/4Wed
1 stop
12h 17mBOI-PHX
$124
9/1Sun
1 stop
4h 53mPHX-BOI
9/4Wed
1 stop
12h 17mBOI-PHX
$134
10/25Fri
nonstopAllegiant Air
2h 07mAZA-BOI
10/28Mon
nonstopAllegiant Air
2h 04mBOI-AZA
$171
9/5Thu
nonstopAmerican Airlines
2h 07mPHX-BOI
9/9Mon
nonstopAmerican Airlines
2h 07mBOI-PHX
$189
7/30Tue
1 stopAlaska Airlines
5h 14mPHX-BOI
8/5Mon
nonstopAlaska Airlines
2h 09mBOI-PHX
$198
8/1Thu
nonstopAlaska Airlines
2h 09mPHX-BOI
8/5Mon
1 stopAlaska Airlines
5h 55mBOI-PHX
$208
7/10Wed
nonstopAmerican Airlines
2h 35mPHX-GEG
7/17Wed
nonstopAmerican Airlines
2h 38mGEG-PHX
$229

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Recent one-way flight deals

6/13Thu
1 stopSpirit Airlines
7h 33mPHX-BOI
$70
6/8Sat
1 stopSpirit Airlines
7h 44mPHX-BOI
$73
6/28Fri
nonstopAllegiant Air
2h 05mAZA-BOI
$83
6/4Tue
1 stopDelta
5h 47mPHX-GEG
$106
7/13Sat
1 stop
10h 38mPHX-GEG
$113
7/13Sat
nonstopAmerican Airlines
2h 35mPHX-GEG
$115
9/9Mon
1 stopDelta
5h 41mPHX-GEG
$139
7/15Mon
nonstopAmerican Airlines
2h 40mPHX-GEG
$140
6/26Wed
2 stopsAllegiant Air
15h 38mAZA-BOI
$156
6/16Sun
3 stops
25h 11mPHX-IDA
$172

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Last minute flights from Phoenix to Idaho

Last minute flight, train and bus deals

5/31Fri
nonstopAllegiant Air
2h 07mAZA-BOI
7/19Fri
nonstopAllegiant Air
2h 06mBOI-AZA
$207
6/2Sun
multi-stopSpirit Airlines
26h 49mPHX-BOI
6/9Sun
multi-stopSpirit Airlines
16h 30mBOI-PHX
$233
6/2Sun
multi-stop
10h 39mPHX-BOI
6/9Sun
multi-stop
14h 36mBOI-PHX
$322
5/30Thu
multi-stop
20h 04mPHX-BOI
6/4Tue
multi-stop
14h 34mBOI-PHX
$342
6/1Sat
nonstopAmerican Airlines
2h 04mPHX-IDA
6/4Tue
nonstopAmerican Airlines
2h 04mIDA-PHX
$411
6/1Sat
multi-stopUnited Airlines
6h 29mPHX-IDA
6/4Tue
multi-stopUnited Airlines
4h 54mIDA-PHX
$414
6/2Sun
nonstopAlaska Airlines
2h 09mPHX-BOI
6/4Tue
multi-stopAlaska Airlines
6h 37mBOI-PHX
$432
6/2Sun
multi-stopAlaska Airlines
4h 43mPHX-BOI
6/4Tue
multi-stopAlaska Airlines
6h 37mBOI-PHX
$442
5/31Fri
nonstopAmerican Airlines
2h 39mPHX-GEG
6/3Mon
nonstopAmerican Airlines
2h 36mGEG-PHX
$443
6/1Sat
multi-stopUnited Airlines
4h 57mPHX-BOI
6/3Mon
multi-stopUnited Airlines
7h 03mBOI-PHX
$489

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Flights to Idaho

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