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$20+ Cheap flights from Idaho to Arizona

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.
BOI — PHX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Idaho to Arizona

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

Round-trip from

$84
(Cheapflightsfares)

One-way from

$20
(Frontier)

Popular in

December

Cheapest in

September

Average price

$290

Good round-trip deal

$104 or less

Good one-way deal

$103 or less
From Idaho to Arizona
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One-way flight from Idaho to Arizona
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Highest demand for flights based on searches. 17% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($16 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 Idaho to Arizona.
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Price to beat on a one-way flight from Idaho to Arizona.
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Find flight deals from Idaho to Arizona

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

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:56 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Fri 11/2112:09 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 10/29$84
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.
Sun 11/3010:53 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Fri 12/510:27 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 10/30$92
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:39 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Thu 12/111:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 10/29$97
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 11/1710:21 amLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 10/29$104
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:56 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Fri 11/141:22 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 10/28$110
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.
Fri 11/710:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Fri 11/2112:09 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 10/30$115
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.
Mon 12/810:41 pmBOI - LAS
Nonstop1h 49mMultiple Airlines
Thu 12/1112:59 amLAS - BOI
1 stop9h 50mMultiple Airlines
Deal found 10/30$119
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:22 pmBOI - LAS
Nonstop1h 48mMultiple Airlines
Wed 12/37:24 pmLAS - BOI
1 stop15h 25mMultiple Airlines
Deal found 10/29$122
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:41 pmBOI - LAS
Nonstop1h 49mMultiple Airlines
Thu 12/1112:59 amLAS - BOI
1 stop9h 50mMultiple Airlines
Deal found 10/28$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 11/1710:21 amLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 10/28$129
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Fri 11/141:22 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 10/28$133
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.
Tue 12/21:25 pmBOI - LAS
1 stop7h 11mMultiple Airlines
Fri 12/512:51 pmLAS - BOI
Nonstop1h 53mMultiple Airlines
Deal found 10/29$135

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Arizona 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 October 30, 2025.
Use the filters below to find and compare flights from Idaho to Arizona that are best for you.

Fly from

Idaho

Fly to

Arizona

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 12/8

2:30 pm-7:10 pm

2 stops5h 40m

Las Vegas Harry Reid Intl

Fri 12/12

5:15 pm-12:35 am

1 stop6h 20m

$142

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 12/22

9:20 pm-10:05 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 12/26

1:23 pm-4:12 pm

Nonstop1h 49m

$158

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 1/20

7:05 am-9:55 am

1 stop3h 50m

Las Vegas Harry Reid Intl

Fri 1/23

2:25 pm-5:15 pm

Nonstop1h 50m

$162

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 12/2

5:15 am-10:25 am

1 stop6h 10m

Las Vegas Harry Reid Intl

Sat 12/6

7:35 am-10:20 am

Nonstop1h 45m

$164

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 1/21

7:59 pm-8:53 pm

Nonstop1h 54m

Las Vegas Harry Reid Intl

Wed 1/28

2:19 pm-8:09 pm

1 stop4h 50m

$167

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 1/25

8:58 pm-9:55 pm

Nonstop1h 57m

Las Vegas Harry Reid Intl

Tue 1/27

1:43 pm-9:05 pm

1 stop6h 22m

$167

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 1/7

7:59 pm-8:53 pm

Nonstop1h 54m

Las Vegas Harry Reid Intl

Sat 1/10

2:00 pm-4:57 pm

Nonstop1h 57m

$167

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 12/11

7:35 am-10:06 am

Nonstop2h 31m

Phoenix Sky Harbor Intl

Thu 12/25

7:00 am-3:22 pm

1 stop8h 22m

$167

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 12/8

3:45 pm-5:45 pm

Nonstop2h 00m

Phoenix Sky Harbor Intl

Sun 12/14

5:10 am-10:05 am

1 stop4h 55m

$167

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 12/8

6:03 am-1:42 pm

1 stop7h 39m

Phoenix Sky Harbor Intl

Thu 12/11

10:48 am-1:12 pm

Nonstop2h 24m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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

Have a flexible travel schedule? Discover the best time to fly to Arizona from Idaho 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 Idaho to Arizona

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

Currently, August is the cheapest month in which you can book a flight from Idaho to Arizona (average of $82). Flying from Idaho to Arizona in March is currently the most expensive (average of $120). 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 ID to AZ?

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

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Idaho to Arizona by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Idaho to Arizona. Price data was last updated on August 3, 2025.

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

How much does it cost to fly round-trip from Idaho to Arizona?

Reviews of airlines servicing Arizona

Get insights into the airlines that provide service to Arizona. 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 Arizona. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to Arizona. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,219 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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 Idaho to Arizona. 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 Idaho to Arizona?

    Departing from Idaho to Arizona will take you 1h 45m. The distance between Idaho and Arizona is about 538 mi. This flight may include one or multiple stops.

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

    $59 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $64 and $69, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Arizona 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 Idaho to Arizona?

    Currently, August is the cheapest month in which you can book a flight from Idaho to Arizona (average of $82). Flying from Idaho to Arizona in March is currently the most expensive (average of $120). 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 Idaho to Arizona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Idaho to Arizona

Discover the top 8 airlines that operate flights from Idaho to Arizona. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$82Average$190FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$98Average$244FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$102Average$170FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$440FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$148Average$363FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$158Average$343FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$173Average$485FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$495FlexibilityNo cancel feeOn-time69%

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