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$43 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 6/11. 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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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

July

High season

March

Cheapest flight

$43
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, +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

6/25Tue
1 stopSpirit Airlines
14h 36mBOI-PHX
7/2Tue
1 stopSpirit Airlines
9h 07mPHX-BOI
$85
7/10Wed
1 stopSpirit Airlines
8h 19mBOI-PHX
7/12Fri
1 stopSpirit Airlines
9h 42mPHX-BOI
$127
8/31Sat
nonstopAmerican Airlines
2h 12mBOI-PHX
9/6Fri
nonstopAmerican Airlines
2h 07mPHX-BOI
$179
8/31Sat
1 stopAlaska Airlines
4h 54mBOI-PHX
9/6Fri
nonstopAlaska Airlines
2h 12mPHX-BOI
$188
8/31Sat
1 stopDelta
8h 18mBOI-PHX
9/6Fri
1 stopDelta
6h 49mPHX-BOI
$198
6/17Mon
1 stop
13h 13mBOI-PHX
6/20Thu
nonstop
2h 09mPHX-BOI
$199
7/19Fri
nonstop
2h 09mBOI-PHX
7/29Mon
1 stop
13h 01mPHX-BOI
$202
7/4Thu
nonstopAmerican Airlines
2h 38mGEG-PHX
7/9Tue
nonstopAmerican Airlines
2h 35mPHX-GEG
$211
7/4Thu
1 stopDelta
5h 31mGEG-PHX
7/9Tue
1 stopDelta
5h 16mPHX-GEG
$230
6/17Mon
nonstopAlaska Airlines
2h 09mBOI-PHX
7/6Sat
1 stopAlaska Airlines
7h 32mPHX-BOI
$233

Search by stops

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Recent one-way flight deals

6/11Tue
1 stopSpirit Airlines
14h 36mBOI-PHX
$43
6/4Tue
1 stopSpirit Airlines
14h 34mBOI-PHX
$44
9/26Thu
nonstopAmerican Airlines
2h 07mBOI-PHX
$100
9/26Thu
1 stopDelta
6h 13mBOI-PHX
$109
7/24Wed
nonstopAmerican Airlines
2h 38mGEG-PHX
$115
6/4Tue
nonstopAlaska Airlines
2h 05mBOI-PHX
$115
7/16Tue
1 stopAlaska Airlines
5h 02mGEG-PHX
$124
9/14Sat
1 stopDelta
6h 46mGEG-PHX
$139
6/10Mon
3 stops
16h 38mBOI-PHX
$205
6/6Thu
2 stops
16h 42mGEG-PHX
$228

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

6/2Sun
multi-stopSpirit Airlines
19h 12mBOI-PHX
6/7Fri
multi-stopSpirit Airlines
7h 44mPHX-BOI
$161
6/2Sun
multi-stopSpirit Airlines
14h 42mBOI-PHX
6/6Thu
multi-stopSpirit Airlines
5h 47mPHX-BOI
$202
5/29Wed
nonstopAmerican Airlines
2h 36mGEG-PHX
6/4Tue
nonstopAmerican Airlines
2h 43mPHX-GEG
$300
5/29Wed
multi-stopDelta
6h 21mGEG-PHX
6/4Tue
multi-stopDelta
5h 23mPHX-GEG
$319
5/31Fri
multi-stop
38h 42mBOI-PHX
6/4Tue
multi-stop
8h 00mPHX-BOI
$327
5/31Fri
multi-stop
26h 48mBOI-PHX
6/3Mon
multi-stop
8h 00mPHX-BOI
$337
5/29Wed
nonstopAmerican Airlines
2h 36mGEG-PHX
6/5Wed
nonstopAmerican Airlines
2h 34mPHX-GEG
$350
5/30Thu
multi-stopDelta
3h 51mIDA-PHX
6/3Mon
multi-stopDelta
3h 27mPHX-IDA
$429
5/31Fri
nonstopAlaska Airlines
2h 05mBOI-PHX
6/4Tue
multi-stopAlaska Airlines
6h 07mPHX-BOI
$432
5/31Fri
nonstopAlaska Airlines
2h 05mBOI-PHX
6/4Tue
nonstopAlaska Airlines
2h 09mPHX-BOI
$443

Search by stops

Search by airline

Search by price