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$42 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 7/17. 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
sáb 7/6
sáb 7/13

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Good to know

Low season

July

High season

March

Cheapest flight

$42
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

6/18ter
1 stopSpirit Airlines
14h 36mBOI-PHX
6/25ter
1 stopSpirit Airlines
9h 07mPHX-BOI
$85
6/22sáb
1 stopSpirit Airlines
14h 36mBOI-PHX
6/25ter
1 stopSpirit Airlines
9h 07mPHX-BOI
$113
7/1seg
1 stop
5h 17mBOI-PHX
7/2ter
1 stop
9h 07mPHX-BOI
$134
7/2ter
1 stop
14h 36mBOI-PHX
7/17qua
1 stop
13h 07mPHX-BOI
$137
8/20ter
nonstopAmerican Airlines
2h 38mGEG-PHX
8/27ter
nonstopAmerican Airlines
2h 45mPHX-GEG
$169
7/23ter
1 stopAlaska Airlines
6h 33mGEG-PHX
7/25qui
1 stopAlaska Airlines
6h 23mPHX-GEG
$178
7/1seg
nonstopAlaska Airlines
2h 09mBOI-PHX
7/5sex
nonstopAlaska Airlines
2h 09mPHX-BOI
$179
10/16qua
nonstopAmerican Airlines
2h 11mBOI-PHX
10/30qua
nonstopAmerican Airlines
2h 18mPHX-BOI
$189
7/23ter
1 stopDelta
5h 07mGEG-PHX
7/26sex
1 stopDelta
4h 35mPHX-GEG
$193
10/5sáb
1 stopDelta
8h 01mBOI-PHX
10/12sáb
1 stopDelta
8h 17mPHX-BOI
$203

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Recent one-way flight deals

7/17qua
1 stopSpirit Airlines
8h 23mBOI-PHX
$42
6/24seg
1 stopSpirit Airlines
13h 13mBOI-PHX
$63
6/29sáb
nonstopAmerican Airlines
2h 39mGEG-PHX
$85
6/29sáb
1 stopAlaska Airlines
7h 12mGEG-PHX
$89
7/16ter
1 stopAlaska Airlines
6h 08mGEG-PHX
$94
7/20sáb
nonstopAmerican Airlines
2h 38mGEG-PHX
$95
7/5sex
1 stop
13h 46mIDA-PHX
$96
7/1seg
1 stopDelta
6h 51mGEG-PHX
$98
6/19qua
1 stopDelta
5h 14mGEG-PHX
$99
6/30dom
1 stop
25h 06mGEG-PHX
$119

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

6/10seg
multi-stopSpirit Airlines
13h 13mBOI-PHX
6/13qui
multi-stopSpirit Airlines
5h 47mPHX-BOI
$207
6/9dom
multi-stop
14h 36mBOI-PHX
6/10seg
multi-stop
30h 23mPHX-BOI
$353
6/11ter
multi-stopDelta
5h 14mGEG-PHX
6/18ter
multi-stopDelta
6h 08mPHX-GEG
$356
6/10seg
multi-stopAlaska Airlines
5h 33mGEG-PHX
6/15sáb
multi-stopAlaska Airlines
4h 48mPHX-GEG
$433
6/8sáb
multi-stopDelta
6h 13mGEG-PHX
6/11ter
multi-stopDelta
7h 06mPHX-GEG
$494
6/7sex
multi-stopAlaska Airlines
5h 01mGEG-PHX
6/7sex
multi-stopAlaska Airlines
5h 02mPHX-GEG
$504
6/10seg
nonstopAmerican Airlines
2h 39mGEG-PHX
6/17seg
nonstopAmerican Airlines
2h 34mPHX-GEG
$513
6/10seg
multi-stopUnited Airlines
8h 35mBOI-PHX
6/13qui
multi-stopUnited Airlines
5h 27mPHX-BOI
$567
6/11ter
nonstopAmerican Airlines
2h 38mGEG-PHX
6/18ter
nonstopAmerican Airlines
2h 43mPHX-GEG
$573
6/9dom
multi-stopUnited Airlines
6h 28mJAC-PHX
6/12qua
multi-stopUnited Airlines
6h 08mPHX-JAC
$627

Search by stops

Search by airline

Search by price