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$54+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
feb. 6 — feb. 131
vie. 2/6
vie. 2/13
1 adult, Economy
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Cheap 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 enero 7, 2026.

Round-trip from

$90
(Booking.com)

One-way from

$54
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$436

Good round-trip deal

$184 or less

Good one-way deal

$270 or less
From Idaho Falls Fanning Field to Arizona
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One-way flight from Idaho Falls Fanning Field to Arizona
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Highest demand for flights based on searches. 13% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Arizona.
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Price to beat on a one-way flight from Idaho Falls Fanning Field to Arizona.
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Find 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 enero 7, 2026.

This Booking.com deal was found by Cheapflights users on 1/7. 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.
lun. 2/1610:31 pmIDA - LAS
Nonstop1h 48mAllegiant Air
vie. 2/2712:45 pmLAS - IDA
Nonstop1h 45mAllegiant Air
Deal found 1/7$90
This Booking.com deal was found by Cheapflights users on 1/5. 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.
lun. 2/1610:31 pmIDA - LAS
Nonstop1h 48mAllegiant Air
vie. 2/2012:45 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 1/5$94
This Booking.com deal was found by Cheapflights users on 1/7. 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. 2/2010:31 pmIDA - LAS
Nonstop1h 48mAllegiant Air
vie. 2/2712:45 pmLAS - IDA
Nonstop1h 45mAllegiant Air
Deal found 1/7$112
This Booking.com deal was found by Cheapflights users on 1/6. 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. 2/1310:31 pmIDA - LAS
Nonstop1h 48mAllegiant Air
vie. 2/2012:45 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 1/6$117
This Mytrip deal was found by Cheapflights users on 1/6. 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.
vie. 1/169:20 pmIDA - LAS
Nonstop1h 47mAllegiant Air
vie. 1/2311:23 amLAS - IDA
Nonstop1h 56mAllegiant Air
Deal found 1/6$129
This Kiwi.com deal was found by Cheapflights users on 1/6. 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. 1/239:20 pmIDA - LAS
Nonstop1h 47mAllegiant Air
lun. 1/2611:23 amLAS - IDA
Nonstop1h 56mAllegiant Air
Deal found 1/6$138
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
lun. 4/1310:21 pmIDA - LAS
Nonstop1h 41mAllegiant Air
vie. 4/1712:42 pmLAS - IDA
Nonstop1h 45mAllegiant Air
Deal found 1/7$153
This Booking.com deal was found by Cheapflights users on 1/6. 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. 3/1310:13 pmIDA - LAS
Nonstop1h 46mAllegiant Air
lun. 3/1612:28 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 1/6$155
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
lun. 2/1610:31 pmIDA - LAS
Nonstop1h 48mMultiple Airlines
vie. 2/202:28 pmLAS - IDA
1 stop6h 13mMultiple Airlines
Deal found 1/5$161
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
lun. 1/129:20 pmIDA - LAS
Nonstop1h 47mAllegiant Air
vie. 1/1611:23 amLAS - IDA
Nonstop1h 56mAllegiant Air
Deal found 1/6$169
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
lun. 2/29:20 pmIDA - PHX
1 stop13h 02mMultiple Airlines
jue. 2/58:36 pmPHX - IDA
1 stop17h 43mMultiple Airlines
Deal found 1/6$196
This Kiwi.com deal was found by Cheapflights users on 1/6. 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. 1/239:20 pmIDA - PHX
1 stop18h 07mMultiple Airlines
lun. 1/261:42 pmPHX - IDA
1 stop6h 48mMultiple Airlines
Deal found 1/6$199

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 enero 7, 2026.
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 FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 2/2

9:20 pm-10:22 am

1 stop13h 02m

Phoenix Sky Harbor Intl

vie. 2/6

9:30 am-2:19 pm

1 stop4h 49m

$219

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

vie. 2/27

10:29 pm-5:53 pm

2 stops19h 24m

Phoenix Sky Harbor Intl

lun. 3/2

10:20 am-3:30 pm

1 stop5h 10m

$228

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

vie. 1/30

9:20 pm-10:22 am

1 stop13h 02m

Phoenix Sky Harbor Intl

vie. 2/6

9:30 am-2:19 pm

1 stop4h 49m

$232

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 2/2

6:35 pm-11:08 am

2 stops16h 33m

Phoenix Sky Harbor Intl

mié. 2/4

12:05 pm-10:57 pm

2 stops10h 52m

$234

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 2/2

6:35 pm-11:08 am

2 stops16h 33m

Phoenix Sky Harbor Intl

jue. 2/5

12:05 pm-10:57 pm

2 stops10h 52m

$244

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mar. 2/3

9:00 am-5:53 pm

1 stop8h 53m

Phoenix Sky Harbor Intl

mié. 2/4

11:00 am-6:18 pm

1 stop7h 18m

$257

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

jue. 1/29

2:40 pm-7:02 pm

1 stop5h 22m

Las Vegas Harry Reid Intl

vie. 1/30

5:20 am-1:30 pm

1 stop7h 10m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

jue. 2/5

2:40 pm-8:32 pm

1 stop6h 52m

Las Vegas Harry Reid Intl

mié. 2/11

3:33 pm-9:16 pm

1 stop4h 43m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

sáb. 2/28

2:40 pm-8:31 pm

1 stop6h 51m

Las Vegas Harry Reid Intl

mié. 3/4

7:30 am-1:30 pm

1 stop5h 00m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

jue. 2/5

6:58 pm-9:55 pm

2 stops27h 57m

Las Vegas Harry Reid Intl

mié. 2/11

7:00 am-6:18 pm

1 stop10h 18m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 50 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 enero 7, 2026.

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 54% on airfare.

Weekly flight availability from Idaho Falls to Arizona

Explore weekly flight availability from Idaho Falls 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 enero 7, 2026.

The most flights from IDA to USAZ are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, 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 enero 7, 2026.
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
11,660 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
8.0
Very good
11,660 reviews
Alaska Airlines
8.0
Very good
11,660 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Delta
7.9
Good
8,024 reviews
Alaska Airlines
8.0
Very good
11,660 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
United Airlines
7.4
Good
9,139 reviews
Alaska Airlines
8.0
Very good
11,660 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
American Airlines
7.2
Good
11,093 reviews
Alaska Airlines
8.0
Very good
11,660 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Allegiant Air
7.2
Good
702 reviews
Alaska Airlines
8.0
Very good
11,660 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

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?

    Delta, United Airlines, and Alaska Airlines can get you from Idaho Falls to Arizona in just under 5h 22m. Your travel time can differ by up to 22h 35m. 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 $145 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 (92%), American Airlines (92%) or Porter Airlines (92%) 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 $382, our data shows the cheapest flight currently is $185. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $199 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.

See more FAQs

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Alternative routes for Idaho Falls to Arizona

See prices for flight routes from nearby airports that may be better suited for you.
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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 enero 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$108Average$189FlexibilityNo cancel feeOn-time88%
DeltaCheapest$164Average$397FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$256Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$291Average$477FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$405Average$454FlexibilityNo cancel feeOn-time69%

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