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$34+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$68
(Mytrip)

One-way from

$34
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$278

Good round-trip deal

$82 or less

Good one-way deal

$118 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. 20% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:16 pmBOI - LAS
Nonstop1h 51mSpirit Airlines
Sat 9/610:26 amLAS - BOI
Nonstop1h 55mSpirit Airlines
Deal found 7/30$68
This Booking.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/159:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Fri 9/191:16 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 7/30$68
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 12/510:41 pmBOI - LAS
Nonstop1h 49mAllegiant Air
Fri 12/1212:51 pmLAS - BOI
Nonstop1h 53mAllegiant Air
Deal found 7/29$89
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 11/29:04 pmGEG - LAS
Nonstop2h 14mAllegiant Air
Sun 11/95:46 pmLAS - GEG
Nonstop2h 26mAllegiant Air
Deal found 7/29$93
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:06 pmBOI - LAS
Nonstop1h 50mMultiple Airlines
Fri 11/211:00 pmLAS - BOI
Nonstop1h 52mMultiple Airlines
Deal found 7/28$96
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:05 pmBOI - LAS
Nonstop1h 50mSouthwest
Sat 11/155:30 pmLAS - BOI
Nonstop1h 50mSouthwest
Deal found 7/31$131
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:45 amGEG - LAS
Nonstop2h 20mSouthwest
Sun 9/710:30 pmLAS - GEG
Nonstop2h 15mSouthwest
Deal found 7/30$137
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:57 pmBOI - PHX
Nonstop2h 09mAmerican Airlines
Mon 9/88:22 pmPHX - BOI
Nonstop2h 13mAmerican Airlines
Deal found 7/31$137
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Sun 11/95:51 amGEG - LAS
1 stop5h 27mHawaiian Airlines
Thu 11/136:37 pmLAS - GEG
1 stop5h 45mHawaiian Airlines
Deal found 7/30$142
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Fri 8/2210:50 pmIDA - LAS
Nonstop1h 46mMultiple Airlines
Mon 8/255:45 amLAS - IDA
1 stop8h 04mMultiple Airlines
Deal found 7/29$143
This Netflights deal was found by Cheapflights users on 7/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:05 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Tue 9/97:59 pmPHX - BOI
Nonstop2h 08mAlaska Airlines
Deal found 7/29$144
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Mon 8/189:55 amGEG - LAS
1 stop11h 33mMultiple Airlines
Thu 8/218:35 amLAS - GEG
Nonstop2h 28mMultiple Airlines
Deal found 7/29$147

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 July 31, 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

Thu 9/4

2:16 pm-3:07 pm

Nonstop1h 51m

Las Vegas Harry Reid Intl

Sat 9/6

10:26 am-1:21 pm

Nonstop1h 55m

$68

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 9/15

9:39 pm-10:23 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Fri 9/19

1:16 pm-4:05 pm

Nonstop1h 49m

$68

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 11/2

9:04 pm-11:18 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Sun 11/9

5:46 pm-8:12 pm

Nonstop2h 26m

$93

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 8/28

6:06 pm-6:56 pm

Nonstop1h 50m

Las Vegas Harry Reid Intl

Fri 11/21

1:00 pm-3:52 pm

Nonstop1h 52m

$96

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 9/10

6:00 am-6:45 am

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 9/12

9:40 pm-12:25 am

Nonstop1h 45m

$131

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 9/4

1:57 pm-3:06 pm

Nonstop2h 09m

Phoenix Sky Harbor Intl

Mon 9/8

8:22 pm-11:35 pm

Nonstop2h 13m

$137

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Thu 9/4

6:45 am-9:05 am

Nonstop2h 20m

Las Vegas Harry Reid Intl

Sun 9/7

10:30 pm-12:45 am

Nonstop2h 15m

$137

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 11/9

5:51 am-11:18 am

1 stop5h 27m

Las Vegas Harry Reid Intl

Thu 11/13

6:37 pm-12:22 am

1 stop5h 45m

$142

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 9/4

6:05 pm-7:17 pm

Nonstop2h 12m

Phoenix Sky Harbor Intl

Tue 9/9

7:59 pm-11:07 pm

Nonstop2h 08m

$144

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Mon 8/18

9:55 am-9:28 pm

1 stop11h 33m

Las Vegas Harry Reid Intl

Thu 8/21

8:35 am-11:03 am

Nonstop2h 28m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, January is the cheapest month in which you can book a flight from Idaho to Arizona (average of $258). Flying from Idaho to Arizona in March is currently the most expensive (average of $337). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Arizona as you normally would.

Weekly flight availability from Idaho to Arizona

Explore weekly flight availability from Idaho to Arizona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from USID to USAZ are scheduled on a Thursday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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 July 31, 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
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    $34 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Allegiant Air and Hawaiian Airlines, with prices starting from $49 and $63, 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, January is the cheapest month in which you can book a flight from Idaho to Arizona (average of $258). Flying from Idaho to Arizona in March is currently the most expensive (average of $337). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$80Average$204FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$91Average$228FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$102Average$170FlexibilityNo cancel feeOn-time65%
DeltaCheapest$149Average$437FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$157Average$359FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$159Average$336FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$181Average$498FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$485FlexibilityNo cancel feeOn-time69%

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