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$51 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
Sat 6/29
Sat 7/6

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Good to know

Low season

July

High season

March

Cheapest flight

$51
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

6/11Tue
1 stopSpirit Airlines
14h 36mBOI-PHX
6/13Thu
1 stopSpirit Airlines
5h 47mPHX-BOI
$98
6/10Mon
1 stopSpirit Airlines
13h 13mBOI-PHX
6/13Thu
1 stopSpirit Airlines
7h 33mPHX-BOI
$118
10/3Thu
nonstopAmerican Airlines
2h 07mBOI-PHX
10/7Mon
nonstopAmerican Airlines
2h 04mPHX-BOI
$199
6/11Tue
nonstop
2h 05mBOI-PHX
6/13Thu
1 stop
5h 47mPHX-BOI
$202
7/4Thu
nonstopAmerican Airlines
2h 38mGEG-PHX
7/9Tue
nonstopAmerican Airlines
2h 35mPHX-GEG
$211
7/14Sun
nonstop
2h 09mBOI-PHX
7/19Fri
1 stop
12h 58mPHX-BOI
$224
7/10Wed
1 stopAlaska Airlines
5h 17mBOI-PHX
7/12Fri
nonstopAlaska Airlines
2h 09mPHX-BOI
$228
7/5Fri
1 stopAlaska Airlines
5h 02mGEG-PHX
7/9Tue
1 stopAlaska Airlines
6h 56mPHX-GEG
$230
7/4Thu
1 stopDelta
5h 31mGEG-PHX
7/9Tue
1 stopDelta
4h 54mPHX-GEG
$273
10/21Mon
1 stopDelta
5h 29mBOI-PHX
10/21Mon
1 stopDelta
7h 39mPHX-BOI
$278

Search by stops

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Search by price

Recent one-way flight deals

7/31Wed
1 stopSpirit Airlines
8h 23mBOI-PHX
$51
6/6Thu
1 stopSpirit Airlines
14h 36mBOI-PHX
$71
6/4Tue
nonstopAmerican Airlines
2h 36mGEG-PHX
$97
9/26Thu
nonstopAmerican Airlines
2h 07mBOI-PHX
$100
6/4Tue
1 stopDelta
6h 21mGEG-PHX
$106
10/4Fri
1 stopDelta
4h 46mBOI-PHX
$109
8/26Mon
2 stops
19h 08mIDA-PHX
$130
8/13Tue
1 stopAlaska Airlines
8h 38mIDA-PHX
$133
9/11Wed
1 stopAlaska Airlines
7h 28mGEG-PHX
$139
8/26Mon
3 stops
15h 32mIDA-PHX
$166

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
14h 42mBOI-PHX
6/5Wed
multi-stopSpirit Airlines
7h 31mPHX-BOI
$208
6/4Tue
nonstopAmerican Airlines
2h 36mGEG-PHX
6/11Tue
nonstopAmerican Airlines
2h 34mPHX-GEG
$236
6/4Tue
multi-stopDelta
6h 12mGEG-PHX
6/11Tue
multi-stopDelta
4h 52mPHX-GEG
$255
5/31Fri
multi-stop
16h 27mBOI-PHX
6/7Fri
multi-stop
5h 50mPHX-BOI
$355
6/1Sat
multi-stopAlaska Airlines
4h 30mGEG-PHX
6/11Tue
multi-stopAlaska Airlines
5h 47mPHX-GEG
$362
6/2Sun
multi-stop
14h 42mBOI-PHX
6/5Wed
multi-stop
28h 37mPHX-BOI
$370
6/1Sat
multi-stopUnited Airlines
8h 11mGEG-PHX
6/11Tue
multi-stopUnited Airlines
7h 36mPHX-GEG
$394
6/4Tue
multi-stopAlaska Airlines
7h 26mGEG-PHX
6/11Tue
multi-stopAlaska Airlines
7h 18mPHX-GEG
$448
5/31Fri
multi-stopUnited Airlines
8h 25mBOI-PHX
6/5Wed
multi-stopUnited Airlines
5h 27mPHX-BOI
$482
6/3Mon
multi-stopDelta
6h 23mGEG-PHX
6/6Thu
multi-stopDelta
7h 33mPHX-GEG
$527

Search by stops

Search by airline

Search by price