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$81+ Cheap flights from Idaho Falls (IDA) 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Idaho Falls to Arizona

Cheapest flights from Idaho Falls to Arizona
Explore the most affordable flight options available from Idaho Falls to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:20 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Fri 12/261:23 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 12/16$164
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 12/2610:52 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Mon 12/291:23 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 12/18$263
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:52 pmIDA - LAS
Nonstop1h 43mMultiple Airlines
Thu 1/81:43 pmLAS - IDA
1 stop8h 16mMultiple Airlines
Deal found 12/17$304
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amIDA - LAS
1 stop5h 44mAmerican Airlines
Thu 1/84:10 pmLAS - IDA
1 stop5h 26mAmerican Airlines
Deal found 12/17$341
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:26 pmIDA - LAS
1 stop25h 18mMultiple Airlines
Fri 12/261:23 pmLAS - IDA
Nonstop1h 49mMultiple Airlines
Deal found 12/17$348
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:52 pmIDA - PHX
1 stop9h 56mMultiple Airlines
Mon 1/121:45 pmPHX - IDA
1 stop6h 45mMultiple Airlines
Deal found 12/17$370
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:19 pmIDA - PHX
1 stop4h 57mUnited Airlines
Tue 1/2010:00 amPHX - IDA
1 stop5h 31mUnited Airlines
Deal found 12/15$376
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Fri 1/98:28 pmPHX - IDA
Nonstop2h 08mAmerican Airlines
Deal found 12/17$401
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amIDA - LAS
1 stop5h 15mUnited Airlines
Wed 12/314:23 pmLAS - IDA
1 stop5h 36mUnited Airlines
Deal found 12/15$401
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.
Fri 12/2610:52 pmIDA - LAS
Nonstop1h 43mMultiple Airlines
Sun 12/285:58 pmLAS - IDA
1 stop27h 09mMultiple Airlines
Deal found 12/16$431
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.
Fri 12/264:57 pmIDA - LAS
1 stop28h 09mMultiple Airlines
Mon 12/291:23 pmLAS - IDA
Nonstop1h 49mMultiple Airlines
Deal found 12/16$432
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:30 pmIDA - PHX
1 stop7h 11mUnited Airlines
Fri 1/98:30 amPHX - IDA
1 stop5h 00mUnited Airlines
Deal found 12/17$439

Find flight deals from Idaho Falls to Arizona

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

Round-trip from

$88
(Booking.com)

One-way from

$81
(Booking.com)

Popular in

March

Cheapest in

September

Average price

$418

Good round-trip deal

$155 or less

Good one-way deal

$216 or less
From Idaho Falls Fanning Field to Arizona
Search Deals
One-way flight from Idaho Falls Fanning Field to Arizona
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 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 Idaho Falls Fanning Field to Arizona.
Search Deals
Price to beat on a one-way flight from Idaho Falls Fanning Field to Arizona.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 December 18, 2025.
Use the filters below to find and compare flights from Idaho Falls to Arizona that are best for you.

Fly from

Idaho Falls

Fly to

Arizona

Route

Depart

Return

Price

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 5/29

7:48 pm-8:31 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Mon 6/1

10:15 am-1:00 pm

Nonstop1h 45m

$196

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/23

9:20 pm-10:07 pm

Nonstop1h 47m

Las Vegas Harry Reid Intl

Mon 1/26

2:28 pm-8:30 pm

1 stop5h 02m

$197

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 1/19

9:20 pm-10:22 am

1 stop13h 02m

Phoenix Sky Harbor Intl

Sun 1/25

9:55 pm-2:19 pm

1 stop16h 24m

$198

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 2/13

10:31 pm-11:19 pm

Nonstop1h 48m

Las Vegas Harry Reid Intl

Mon 2/16

12:45 pm-3:31 pm

Nonstop1h 46m

$219

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 1/16

9:20 pm-5:27 pm

1 stop20h 07m

Phoenix Sky Harbor Intl

Mon 1/19

9:30 am-2:19 pm

1 stop4h 49m

$237

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/30

9:20 pm-10:07 pm

Nonstop1h 47m

Las Vegas Harry Reid Intl

Sun 2/1

7:50 pm-8:30 pm

1 stop23h 40m

$241

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-11:12 pm

1 stop5h 14m

Las Vegas Harry Reid Intl

Thu 1/15

1:43 pm-10:59 pm

1 stop8h 16m

$246

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 1/20

4:19 pm-8:32 pm

1 stop5h 13m

Las Vegas Harry Reid Intl

Thu 1/22

5:20 am-1:30 pm

1 stop7h 10m

$248

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 2/3

9:00 am-1:24 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Fri 2/6

7:36 pm-6:18 pm

1 stop21h 42m

$258

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/23

4:19 pm-9:59 pm

1 stop6h 40m

Las Vegas Harry Reid Intl

Mon 1/26

5:20 am-1:30 pm

1 stop7h 10m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 46 results
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Best time to book a flight from Idaho Falls to Arizona

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

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

Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Arizona (average of $97). Flying from Idaho Falls to Arizona in March is currently the most expensive (average of $208). 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 IDA to AZ?

Find hourly flight availability from Idaho Falls 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 December 18, 2025.

One of the essential ways to save on airfare from Idaho Falls to Arizona is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Arizona. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Idaho Falls to Arizona flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday at noon 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 Falls 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 December 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Idaho Falls to Arizona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,474 reviews

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

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
11,474 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

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
8,006 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

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.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

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
11,053 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

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
11,474 reviews

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

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 Idaho Falls to Arizona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Arizona?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to Arizona.

  • How long is the flight from Idaho Falls to Arizona?

    Allegiant Air, Alaska Airlines, and United Airlines can get you from Idaho Falls to Arizona in just under 1h 43m. Your travel time can differ by up to 13h 16m. There are 538 mi between Idaho Falls and Arizona. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $62. Delta flights start at $130 while deals on Alaska Airlines start at $146 one-way.

  • What are the most popular routes from Idaho Falls to Arizona?

    Most travelers choose Idaho Falls Fanning Field - Phoenix Sky Harbor Intl, Idaho Falls Fanning Field - Las Vegas Harry Reid Intl or Idaho Falls Fanning Field - Tucson when deciding on the best route from Idaho Falls to Arizona.

  • What are the most reliable airlines from Idaho Falls to Arizona?

    Consider SkyWest Airlines (91%), American Airlines (91%) or Porter Airlines (91%) when booking your flight. These represent the most reliable airlines when flying from Idaho Falls to Arizona.

  • What are the cheapest flights from Idaho Falls to Arizona?

    While on average a flight from Idaho Falls to Arizona is generally $335, our data shows the cheapest flight currently is $164. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $213 for that flight.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Arizona (average of $97). Flying from Idaho Falls to Arizona in March is currently the most expensive (average of $208). 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.

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Top 5 airlines flying from Idaho Falls to Arizona

Discover the top 5 airlines that operate flights from Idaho Falls 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$108Average$190FlexibilityNo cancel feeOn-time88%
DeltaCheapest$164Average$394FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$256Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$291Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$405Average$620FlexibilityNo cancel feeOn-time69%

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