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$48 Find cheap flights from Idaho to Phoenix

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Sky Harbor Intl departing on 7/31. 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
Mon 7/8
Mon 7/15

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In the last 7 days travelers have searched 43,695,497 times on KAYAK, and here is why:

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Good to know

Low season

July

High season

March

Cheapest flight

$48
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Boise to Phoenix Sky Harbor Airport

FAQs for booking Idaho to Phoenix flights

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

    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 Idaho to Phoenix.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix from Idaho 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 Idaho to Phoenix?

    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 Phoenix with an airline and back to Idaho with another airline.

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

    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 Phoenix from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to Phoenix?

Find which airlines fly direct from Idaho to Sky Harbor Intl, which days they fly and book direct flights.

Nonstop departures

Idaho to Phoenix Sky Harbor Intl

Monday

ANA, Advanced Air, Aer Lingus, +59 more

ANA, Advanced Air, +60 more

Tuesday

ANA, Advanced Air, Aer Lingus, +58 more

ANA, Advanced Air, +59 more

Wednesday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Thursday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Friday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Saturday

ANA, Advanced Air, Aer Lingus, +58 more

ANA, Advanced Air, +59 more

Sunday

ANA, Advanced Air, Aer Lingus, +61 more

ANA, Advanced Air, +62 more

See more direct flights

Nonstop returns

Phoenix Sky Harbor Intl to Idaho

Monday

ANA, Advanced Air, Aer Lingus, +59 more

ANA, Advanced Air, +60 more

Tuesday

ANA, Advanced Air, Aer Lingus, +58 more

ANA, Advanced Air, +59 more

Wednesday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Thursday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Friday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Saturday

ANA, Advanced Air, Aer Lingus, +58 more

ANA, Advanced Air, +59 more

Sunday

ANA, Advanced Air, Aer Lingus, +61 more

ANA, Advanced Air, +62 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Phoenix

Recent round-trip flight deals

7/16Tue
1 stopSpirit Airlines
8h 23mBOI-PHX
7/19Fri
1 stopSpirit Airlines
12h 58mPHX-BOI
$113
6/21Fri
1 stopSpirit Airlines
14h 36mBOI-PHX
6/24Mon
1 stopSpirit Airlines
5h 50mPHX-BOI
$119
8/1Thu
nonstop
2h 09mBOI-PHX
8/5Mon
1 stop
12h 58mPHX-BOI
$172
7/10Wed
1 stopDelta
5h 12mGEG-PHX
7/16Tue
1 stopDelta
7h 05mPHX-GEG
$178
7/4Thu
1 stopDelta
5h 06mGEG-PHX
7/10Wed
1 stopDelta
7h 03mPHX-GEG
$187
7/4Thu
nonstopAmerican Airlines
2h 38mGEG-PHX
7/10Wed
nonstopAmerican Airlines
2h 35mPHX-GEG
$188
8/5Mon
nonstop
2h 09mBOI-PHX
8/9Fri
1 stop
12h 58mPHX-BOI
$194
7/1Mon
1 stopAlaska Airlines
5h 28mGEG-PHX
7/4Thu
1 stopAlaska Airlines
6h 06mPHX-GEG
$196
9/13Fri
nonstopAmerican Airlines
2h 40mGEG-PHX
9/16Mon
nonstopAmerican Airlines
2h 38mPHX-GEG
$197
8/1Thu
nonstopAlaska Airlines
2h 09mBOI-PHX
8/5Mon
nonstopAlaska Airlines
2h 09mPHX-BOI
$199

Search by stops

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Search by price

Recent one-way flight deals

7/31Wed
1 stopSpirit Airlines
8h 23mBOI-PHX
$48
6/19Wed
1 stopSpirit Airlines
14h 47mBOI-PHX
$51
6/26Wed
nonstopAmerican Airlines
2h 38mGEG-PHX
$89
6/25Tue
1 stopDelta
4h 34mGEG-PHX
$98
9/9Mon
nonstopAmerican Airlines
2h 40mGEG-PHX
$99
7/6Sat
1 stopDelta
3h 58mBOI-PHX
$104
9/9Mon
1 stopAlaska Airlines
6h 19mGEG-PHX
$108
6/29Sat
1 stopAlaska Airlines
5h 55mBOI-PHX
$124
9/16Mon
2 stops
9h 07mIDA-PHX
$179
9/16Mon
3 stops
30h 31mIDA-PHX
$181

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Sky Harbor Intl

Last minute flight, train and bus deals

6/13Thu
multi-stopSpirit Airlines
14h 36mBOI-PHX
6/17Mon
multi-stopSpirit Airlines
7h 44mPHX-BOI
$202
6/12Wed
multi-stopSpirit Airlines
14h 47mBOI-PHX
6/19Wed
multi-stopSpirit Airlines
7h 31mPHX-BOI
$220
6/13Thu
multi-stop
24h 54mBOI-PHX
6/17Mon
multi-stop
5h 50mPHX-BOI
$311
6/12Wed
multi-stop
19h 54mBOI-PHX
6/19Wed
multi-stop
7h 31mPHX-BOI
$364
6/12Wed
multi-stopDelta
5h 07mGEG-PHX
6/15Sat
multi-stopDelta
5h 45mPHX-GEG
$414
6/9Sun
multi-stopDelta
5h 08mGEG-PHX
6/12Wed
multi-stopDelta
5h 24mPHX-GEG
$433
6/12Wed
nonstopAmerican Airlines
2h 38mGEG-PHX
6/15Sat
nonstopAmerican Airlines
2h 43mPHX-GEG
$475
6/9Sun
nonstopAmerican Airlines
2h 38mGEG-PHX
6/12Wed
nonstopAmerican Airlines
2h 43mPHX-GEG
$494
6/13Thu
nonstopAlaska Airlines
2h 09mBOI-PHX
6/17Mon
nonstopAlaska Airlines
2h 09mPHX-BOI
$518
6/13Thu
nonstopAlaska Airlines
2h 09mBOI-PHX
6/17Mon
multi-stopAlaska Airlines
5h 24mPHX-BOI
$527

Search by stops

Search by airline

Search by price