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PHX

$41 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 5/7. 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 6/1
Sat 6/8

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In the last 7 days travelers have searched 43,740,974 times on KAYAK, and here is why:

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Good to know

Low season

July

High season

March

Cheapest flight

$41
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 11% 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, +60 more

ANA, Advanced Air, +61 more

Tuesday

ANA, Advanced Air, Aer Lingus, +58 more

ANA, Advanced Air, +59 more

Wednesday

ANA, Advanced Air, Aer Lingus, +59 more

ANA, Advanced Air, +60 more

Thursday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Friday

ANA, Advanced Air, Aer Lingus, +61 more

ANA, Advanced Air, +62 more

Saturday

ANA, Advanced Air, Aer Lingus, +57 more

ANA, Advanced Air, +58 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, +60 more

ANA, Advanced Air, +61 more

Tuesday

ANA, Advanced Air, Aer Lingus, +58 more

ANA, Advanced Air, +59 more

Wednesday

ANA, Advanced Air, Aer Lingus, +59 more

ANA, Advanced Air, +60 more

Thursday

ANA, Advanced Air, Aer Lingus, +60 more

ANA, Advanced Air, +61 more

Friday

ANA, Advanced Air, Aer Lingus, +61 more

ANA, Advanced Air, +62 more

Saturday

ANA, Advanced Air, Aer Lingus, +57 more

ANA, Advanced Air, +58 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

5/29Wed
1 stopSpirit Airlines
14h 34mBOI-PHX
6/5Wed
1 stopSpirit Airlines
7h 31mPHX-BOI
$77
5/29Wed
1 stopSpirit Airlines
14h 34mBOI-PHX
6/5Wed
1 stopSpirit Airlines
7h 31mPHX-BOI
$78
6/8Sat
nonstop
2h 05mBOI-PHX
6/12Wed
1 stop
7h 31mPHX-BOI
$136
6/1Sat
nonstop
2h 05mBOI-PHX
6/3Mon
1 stop
8h 00mPHX-BOI
$148
5/31Fri
nonstopAmerican Airlines
2h 36mGEG-PHX
6/4Tue
nonstopAmerican Airlines
2h 43mPHX-GEG
$189
5/14Tue
nonstopAmerican Airlines
2h 36mGEG-PHX
5/18Sat
nonstopAmerican Airlines
2h 43mPHX-GEG
$193
5/14Tue
1 stopAlaska Airlines
7h 34mBOI-PHX
5/15Wed
1 stopAlaska Airlines
7h 05mPHX-BOI
$208
9/17Tue
1 stopAlaska Airlines
5h 40mIDA-PHX
9/21Sat
1 stopAlaska Airlines
7h 12mPHX-IDA
$208
6/1Sat
1 stopDelta
6h 55mGEG-PHX
6/5Wed
1 stopDelta
4h 34mPHX-GEG
$208
5/29Wed
1 stopDelta
4h 33mGEG-PHX
6/5Wed
1 stopDelta
4h 47mPHX-GEG
$210

Search by stops

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Search by price

Recent one-way flight deals

5/7Tue
1 stopSpirit Airlines
14h 17mBOI-PHX
$41
5/8Wed
1 stopSpirit Airlines
14h 34mBOI-PHX
$58
5/11Sat
nonstopAmerican Airlines
2h 10mBOI-PHX
$95
5/29Wed
1 stopAlaska Airlines
6h 28mIDA-PHX
$99
7/3Wed
1 stopAlaska Airlines
5h 58mBOI-PHX
$104
5/28Tue
1 stopDelta
3h 51mIDA-PHX
$104
5/15Wed
1 stopUnited Airlines
5h 43mGEG-PHX
$106
8/6Tue
nonstopAmerican Airlines
2h 38mGEG-PHX
$115
9/26Thu
1 stopDelta
6h 46mBOI-PHX
$139
6/1Sat
1 stopUnited Airlines
4h 54mIDA-PHX
$139

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

5/7Tue
multi-stopSpirit Airlines
14h 17mBOI-PHX
5/17Fri
multi-stopSpirit Airlines
8h 00mPHX-BOI
$123
5/7Tue
multi-stopSpirit Airlines
14h 17mBOI-PHX
5/9Thu
multi-stopSpirit Airlines
4h 19mPHX-BOI
$138
5/7Tue
multi-stopAlaska Airlines
7h 47mBOI-PHX
5/8Wed
multi-stopAlaska Airlines
7h 05mPHX-BOI
$208
5/7Tue
multi-stopDelta
3h 45mBOI-PHX
5/8Wed
multi-stopDelta
5h 37mPHX-BOI
$258
5/7Tue
multi-stopAlaska Airlines
5h 47mBOI-PHX
5/8Wed
nonstopAlaska Airlines
2h 09mPHX-BOI
$283
5/7Tue
nonstopAmerican Airlines
2h 10mBOI-PHX
5/14Tue
nonstopAmerican Airlines
2h 08mPHX-BOI
$289
5/4Sat
nonstopAmerican Airlines
2h 37mGEG-PHX
5/14Tue
nonstopAmerican Airlines
2h 43mPHX-GEG
$300
5/7Tue
multi-stopDelta
3h 45mBOI-PHX
5/7Tue
multi-stopDelta
5h 43mPHX-BOI
$308
5/7Tue
multi-stop
14h 17mBOI-PHX
5/9Thu
multi-stop
22h 44mPHX-BOI
$326
5/6Mon
multi-stop
14h 14mBOI-PHX
5/8Wed
multi-stop
21h 55mPHX-BOI
$355

Search by stops

Search by airline

Search by price