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Idaho Falls

$58+ Cheap flights from Arizona to Idaho Falls (IDA)

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.
PHX — IDA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Arizona to Idaho Falls

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

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 Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:23 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 12/2910:52 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Deal found 12/17$258
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.
Fri 12/1911:31 amLAS - IDA
Nonstop1h 49mAllegiant Air
Fri 12/199:20 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Deal found 12/17$311
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.
Mon 12/2211:31 amLAS - IDA
Nonstop1h 49mMultiple Airlines
Sat 12/279:30 pmIDA - LAS
1 stop26h 09mMultiple Airlines
Deal found 12/16$327
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:07 pmPHX - IDA
Nonstop2h 14mAmerican Airlines
Sat 1/37:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Deal found 12/15$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 12/2211:31 amLAS - IDA
Nonstop1h 49mMultiple Airlines
Mon 12/224:26 pmIDA - LAS
1 stop25h 18mMultiple Airlines
Deal found 12/17$355
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 12/261:23 pmLAS - IDA
Nonstop1h 49mMultiple Airlines
Mon 12/294:57 pmIDA - LAS
1 stop5h 33mMultiple Airlines
Deal found 12/17$387
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:07 pmPHX - IDA
Nonstop2h 14mAmerican Airlines
Wed 12/247:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Deal found 12/15$391
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:37 pmPHX - IDA
1 stop5h 15mDelta
Wed 12/245:55 amIDA - PHX
1 stop4h 10mDelta
Deal found 12/15$411
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 12/308:10 amPHX - IDA
1 stop7h 12mUnited Airlines
Sat 1/36:40 amIDA - PHX
1 stop6h 50mUnited Airlines
Deal found 12/15$431
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:50 pmPHX - IDA
Nonstop2h 11mAmerican Airlines
Wed 12/311:16 pmIDA - PHX
1 stop6h 30mAmerican Airlines
Deal found 12/16$436
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:35 amPHX - IDA
1 stop5h 52mDelta
Wed 12/315:55 amIDA - PHX
1 stop4h 10mDelta
Deal found 12/17$446

Find flight deals from Arizona to Idaho Falls

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

Round-trip from

$105
(Cheapflightsfares)

One-way from

$58
(Booking.com)

Popular in

February

Cheapest in

May

Average price

$414
From Arizona to Idaho Falls Fanning Field
Search Deals
One-way flight from Arizona to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Arizona to Idaho Falls 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 Falls that are best for you.

Fly from

Arizona

Fly to

Idaho Falls

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 1/25

9:55 pm-2:19 pm

1 stop16h 24m

Idaho Falls Fanning Field

Fri 1/30

3:09 pm-10:04 pm

1 stop6h 55m

$218

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 2/18

11:05 am-10:21 pm

2 stops10h 16m

Idaho Falls Fanning Field

Fri 2/27

6:25 pm-9:56 am

2 stops16h 31m

$244

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 2/18

11:05 am-10:21 pm

2 stops10h 16m

Idaho Falls Fanning Field

Sat 2/21

5:25 am-8:31 pm

2 stops16h 06m

$244

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 2/18

11:05 am-10:21 pm

2 stops10h 16m

Idaho Falls Fanning Field

Sun 2/22

5:25 am-8:24 am

1 stop3h 59m

$253

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Tue 2/17

1:20 pm-5:44 pm

1 stop3h 24m

Idaho Falls Fanning Field

Wed 2/25

5:25 am-3:02 pm

2 stops10h 37m

$253

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 1/22

1:43 pm-10:59 pm

1 stop8h 16m

Idaho Falls Fanning Field

Sun 1/25

6:58 pm-11:12 pm

1 stop5h 14m

$258

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 2/19

5:20 am-1:30 pm

1 stop7h 10m

Idaho Falls Fanning Field

Tue 2/24

2:40 pm-7:20 pm

1 stop5h 40m

$261

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 2/6

9:00 am-3:31 pm

1 stop5h 31m

Idaho Falls Fanning Field

Mon 2/9

2:40 pm-8:32 pm

1 stop6h 52m

$261

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 2/19

5:20 am-1:30 pm

1 stop7h 10m

Idaho Falls Fanning Field

Wed 2/25

2:40 pm-8:31 pm

1 stop6h 51m

$261

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 1/9

7:30 am-3:31 pm

1 stop7h 01m

Idaho Falls Fanning Field

Mon 1/12

2:40 pm-8:32 pm

1 stop6h 52m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 results
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Best time to book a flight from Arizona to Idaho Falls

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

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

Currently, May is the cheapest month in which you can book a flight from Arizona to Idaho Falls (average of $93). Flying from Arizona to Idaho Falls in October is currently the most expensive (average of $229). 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 IDA?

Find hourly flight availability from Arizona to Idaho Falls. 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 Arizona to Idaho Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Arizona to Idaho Falls. 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 into for flights to Idaho Falls from Arizona?

    If you book a flight to Idaho Falls from Arizona, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    There are many flights that can get you from Arizona to Idaho Falls in 2h 08m. Fly via Delta, American Airlines, or United Airlines to get the fastest option. The distance between Arizona and Idaho Falls is about 696 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 Falls one-way?

    $54 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 American Airlines and Delta, with prices starting from $140 and $145, respectively.

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

    While some choose either Las Vegas Harry Reid Intl - Idaho Falls Fanning Field or Tucson - Idaho Falls Fanning Field, Phoenix Sky Harbor Intl - Idaho Falls Fanning Field is the most popular route from Arizona to Idaho Falls.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Arizona to Idaho Falls (average of $93). Flying from Arizona to Idaho Falls in October is currently the most expensive (average of $229). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top 4 airlines flying from Arizona to Idaho Falls

Discover the top 4 airlines that operate flights from Arizona to Idaho Falls. 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$100Average$207FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$361FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$376FlexibilityNo cancel feeOn-timeN/A

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