HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$40+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Arizona to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

This Travelocity deal was found by Cheapflights users on 12/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amPHX - GEG
1 stop5h 07mFrontier
Thu 1/84:14 pmGEG - PHX
Nonstop3h 04mFrontier
Deal found 12/15$122
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:02 pmPHX - GEG
Nonstop2h 51mFrontier
Sun 1/412:02 pmGEG - PHX
1 stop19h 19mFrontier
Deal found 12/16$146
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amPHX - GEG
1 stop5h 07mFrontier
Sun 1/412:02 pmGEG - PHX
1 stop19h 19mFrontier
Deal found 12/14$164
This Frontier deal was found by Cheapflights users on 12/17. 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.
Tue 12/307:00 amPHX - GEG
1 stop5h 07mFrontier
Sat 1/312:02 pmGEG - PHX
1 stop8h 39mFrontier
Deal found 12/17$173
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:37 pmPHX - BOI
1 stop5h 20mDelta
Wed 12/315:50 amBOI - PHX
1 stop4h 15mDelta
Deal found 12/16$175
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:37 pmPHX - BOI
1 stop5h 20mDelta
Sat 1/106:15 pmBOI - PHX
1 stop4h 24mDelta
Deal found 12/14$176
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Mon 12/2211:31 amLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 12/229:20 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Deal found 12/17$176
This Trip.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2910:31 pmPHX - GEG
1 stop13h 36mFrontier
Sat 1/312:02 pmGEG - PHX
1 stop19h 19mFrontier
Deal found 12/15$184
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:37 pmPHX - BOI
1 stop5h 20mDelta
Thu 1/85:40 amBOI - PHX
1 stop5h 28mDelta
Deal found 12/14$186
This Frontier deal was found by Cheapflights users on 12/16. 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.
Thu 12/252:02 pmPHX - GEG
Nonstop2h 51mFrontier
Tue 12/3012:02 pmGEG - PHX
1 stop11h 27mFrontier
Deal found 12/16$206
This Frontier deal was found by Cheapflights users on 12/15. 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.
Thu 12/187:00 amPHX - BOI
1 stop4h 43mFrontier
Mon 1/1212:07 pmBOI - PHX
1 stop8h 06mFrontier
Deal found 12/15$213
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/184:32 pmLAS - GEG
Nonstop2h 29mAllegiant Air
Sun 12/217:51 pmGEG - LAS
Nonstop2h 23mAllegiant Air
Deal found 12/16$215

Find flight deals from Arizona to Idaho

Keep the following information in mind while searching for Arizona to Idaho flight deals. Data was last updated December 18, 2025.

Round-trip from

$78
(Booking.com)

One-way from

$40
(Priceline)

Popular in

December

Cheapest in

September

Average price

$373

Good round-trip deal

$235 or less

Good one-way deal

$105 or less
From Arizona to Idaho
Search Deals
One-way flight from Arizona to Idaho
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Arizona to Idaho.
Search Deals
Price to beat on a one-way flight from Arizona to Idaho.
Search Deals

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 December 18, 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

Thu 1/22

5:31 pm-8:08 pm

Nonstop2h 37m

Spokane

Thu 1/29

8:58 pm-11:18 pm

Nonstop2h 20m

$90

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Tue 12/30

7:00 am-11:07 am

1 stop5h 07m

Spokane

Thu 1/8

4:14 pm-8:18 pm

Nonstop3h 04m

$122

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Sat 1/17

3:58 pm-9:25 pm

1 stop5h 27m

Spokane

Sun 1/18

8:58 pm-11:18 pm

Nonstop2h 20m

$128

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Wed 1/7

1:43 pm-9:25 pm

1 stop7h 42m

Spokane

Sun 1/18

8:58 pm-11:18 pm

Nonstop2h 20m

$134

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/22

7:45 pm-10:30 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sun 1/25

7:00 pm-7:45 pm

Nonstop1h 45m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/8

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Mon 1/12

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/8

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Wed 1/21

7:59 pm-8:53 pm

Nonstop1h 54m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 1/16

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Wed 1/21

7:59 pm-8:53 pm

Nonstop1h 54m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 1/9

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Mon 1/12

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 1/21

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Sun 1/25

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
1
2
3
...
6

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, October is the cheapest month in which you can book a flight from Arizona to Idaho (average of $84). Flying from Arizona to Idaho in February is currently the most expensive (average of $158). 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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% 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 December 13, 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 December 18, 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
11,477 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,477 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,055 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Allegiant Air
7.2
Good
700 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 $137, Allegiant Air can have you in Idaho from Arizona in 1h 45m. 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?

    $44 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 Southwest and Alaska Airlines, with prices starting from $78 and $78, 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, October is the cheapest month in which you can book a flight from Arizona to Idaho (average of $84). Flying from Arizona to Idaho in February is currently the most expensive (average of $158). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Arizona to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to West Palm Beach flights
Los Angeles to Newark flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Newark to Orlando flights
Newark to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
O'Hare Intl to Las Vegas flights
Newark to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to Los Angeles flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
Minneapolis to Sky Harbor Intl flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to Fort Lauderdale flights
Baltimore to Fort Lauderdale flights
Seattle to Las Vegas flights
Los Angeles to Seattle flights
Dallas/Fort Worth to O'Hare Intl flights
Fort Lauderdale to Newark flights
Dallas/Fort Worth to Denver flights
Los Angeles to Honolulu flights
Hobby to LaGuardia flights
Atlanta to LaGuardia flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
Newark to Tampa flights
Dallas/Fort Worth to Orlando flights
Boston to Miami flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$158FlexibilityNo cancel feeOn-time88%
DeltaCheapest$88Average$398FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$206FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$142Average$332FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$148Average$358FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$156Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.