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$20+ Cheap flights from Arizona to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from Arizona to Idaho

Keep the following information in mind while searching for Arizona to Idaho flight deals. Data was last updated octubre 30, 2025.

Round-trip from

$40
(Frontier)

One-way from

$20
(Priceline)

Popular in

March

Cheapest in

September

Average price

$235

Good round-trip deal

$174 or less

Good one-way deal

$113 or less
From Arizona to Idaho
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One-way flight from Arizona to Idaho
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Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Arizona to Idaho.
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Price to beat on a one-way flight from Arizona to Idaho.
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Find flight deals from Arizona to Idaho

Cheapest flights from Arizona to Idaho
Explore the most affordable flight options available from Arizona to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/232:02 pmPHX - GEG
Nonstop2h 51mFrontier
dom. 12/284:48 pmGEG - PHX
Nonstop3h 04mFrontier
Deal found 10/29$40
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/211:00 pmLAS - BOI
Nonstop1h 52mAllegiant Air
lun. 11/2410:45 pmBOI - LAS
Nonstop1h 48mAllegiant Air
Deal found 10/30$86
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/211:00 pmLAS - BOI
Nonstop1h 52mAllegiant Air
mié. 11/269:22 pmBOI - LAS
Nonstop1h 48mAllegiant Air
Deal found 10/30$89
This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:00 amPHX - GEG
1 stop5h 13mFrontier
dom. 1/117:32 pmGEG - PHX
Nonstop3h 04mFrontier
Deal found 10/28$116
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/211:00 pmLAS - BOI
Nonstop1h 52mMultiple Airlines
lun. 11/244:38 pmBOI - LAS
1 stop5h 45mMultiple Airlines
Deal found 10/29$131
This Priceline deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1212:59 amLAS - BOI
1 stop9h 44mFrontier
dom. 11/1612:28 pmBOI - LAS
1 stop8h 15mFrontier
Deal found 10/29$143
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/47:00 amPHX - GEG
1 stop5h 13mFrontier
dom. 12/712:08 pmGEG - PHX
1 stop11h 36mFrontier
Deal found 10/28$143
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1912:51 pmLAS - BOI
Nonstop1h 53mMultiple Airlines
dom. 1/49:00 amBOI - LAS
Nonstop1h 54mMultiple Airlines
Deal found 10/30$145
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/121:16 pmPHX - GEG
1 stop22h 52mFrontier
dom. 11/1612:03 pmGEG - PHX
1 stop8h 41mFrontier
Deal found 10/30$145
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/66:00 amLAS - GEG
1 stop29h 13mMultiple Airlines
dom. 12/79:13 pmGEG - LAS
Nonstop2h 23mMultiple Airlines
Deal found 10/29$147
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/108:56 pmLAS - BOI
Nonstop2h 03mAlaska Airlines
mar. 12/1611:14 amBOI - LAS
Nonstop2h 00mAlaska Airlines
Deal found 10/29$151
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/57:00 amLAS - GEG
1 stop4h 40mMultiple Airlines
dom. 12/79:13 pmGEG - LAS
Nonstop2h 23mMultiple Airlines
Deal found 10/29$153

Cheapflights Fare Finder

 
Customize your flight search to find flights from Arizona to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Arizona to Idaho that are best for you.

Fly from

Arizona

Fly to

Idaho

Route

Depart

Return

Price

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

jue. 2/26

6:00 am-11:28 am

1 stop5h 28m

Spokane

dom. 3/1

12:23 pm-6:46 pm

1 stop6h 23m

$124

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

mié. 12/10

8:56 pm-11:59 pm

Nonstop2h 03m

Boise Air Term. Gowen Fld

lun. 12/15

11:14 am-12:14 pm

Nonstop2h 00m

$151

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

vie. 12/5

7:00 am-11:40 am

1 stop4h 40m

Spokane

dom. 12/7

9:13 pm-11:36 pm

Nonstop2h 23m

$153

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 2/20

7:55 pm-10:45 pm

Nonstop1h 50m

Boise Air Term. Gowen Fld

lun. 2/23

8:40 am-9:36 am

Nonstop1h 56m

$157

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 1/16

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

dom. 1/18

8:58 pm-9:55 pm

Nonstop1h 57m

$157

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

mié. 12/31

7:10 pm-10:07 pm

Nonstop1h 57m

Boise Air Term. Gowen Fld

lun. 1/5

9:00 am-9:54 am

Nonstop1h 54m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

vie. 1/9

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

lun. 1/12

12:21 pm-2:29 pm

Nonstop2h 08m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

vie. 12/12

10:48 am-1:12 pm

Nonstop2h 24m

Boise Air Term. Gowen Fld

mar. 12/16

7:35 am-10:06 am

Nonstop2h 31m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

vie. 1/16

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

mié. 1/21

12:21 pm-2:29 pm

Nonstop2h 08m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

vie. 11/21

9:44 pm-11:59 pm

Nonstop2h 15m

Boise Air Term. Gowen Fld

vie. 11/28

6:57 pm-9:02 pm

Nonstop2h 05m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from Arizona to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Arizona with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Arizona to Idaho

What is the cheapest month to book a flight from Arizona to Idaho?

Currently, May is the cheapest month in which you can book a flight from Arizona to Idaho (average of $93). Flying from Arizona to Idaho in December is currently the most expensive (average of $163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AZ to ID?

Find hourly flight availability from Arizona to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Arizona to Idaho by exploring options for tickets in the evening.

What is the cheapest day to fly from Arizona to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Arizona to Idaho. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Arizona to Idaho flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated octubre 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Arizona to Idaho to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,219 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,219 reviews
Alaska Airlines
8.0
Very good
11,219 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,219 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,219 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,034 reviews
Alaska Airlines
8.0
Very good
11,219 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Allegiant Air
7.2
Good
694 reviews
Alaska Airlines
8.0
Very good
11,219 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Arizona to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Arizona to Idaho?

    For as low as $157, Frontier can have you in Idaho from Arizona in 1h 50m. Arizona and Idaho are separated by a distance of 520 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Arizona to Idaho one-way?

    $49 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Frontier and Alaska Airlines, with prices starting from $65 and $76, respectively.

  • Can I find deals for flights from Arizona to Idaho that include hotel bookings?

    Yes. In addition to deals on Arizona to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Arizona to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Arizona to Idaho.

  • Can I find deals for business class flights from Arizona to Idaho?

    Yes. Cheapflights offers flight deals from Arizona to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Arizona to Idaho?

    Currently, May is the cheapest month in which you can book a flight from Arizona to Idaho (average of $93). Flying from Arizona to Idaho in December is currently the most expensive (average of $163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Arizona to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Arizona to Idaho

Discover the top 7 airlines that operate flights from Arizona to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$173FlexibilityNo cancel feeOn-time88%
DeltaCheapest$88Average$407FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$206FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$148Average$318FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$154Average$392FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$157Average$409FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%

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