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Idaho Falls

$66+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$95
(Cheapflightsfares)

One-way from

$66
(Cheapflightsfares)

Popular in

November

Cheapest in

October

Average price

$436

Good round-trip deal

$188 or less
From Arizona to Idaho Falls Fanning Field
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One-way flight from Arizona to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Arizona to Idaho Falls Fanning Field.
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Find 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 September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:16 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 9/299:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Deal found 9/15$95
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/31:25 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 10/67:40 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Deal found 9/13$104
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Fri 10/31:25 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Fri 11/1410:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Deal found 9/16$118
This Booking.com deal was found by Cheapflights users on 9/14. 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 9/2912:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 9/299:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Deal found 9/14$194
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/31:25 pmLAS - IDA
Nonstop1h 49mMultiple Airlines
Fri 11/144:58 pmIDA - LAS
1 stop16h 40mMultiple Airlines
Deal found 9/16$199
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/31:25 pmLAS - IDA
Nonstop1h 49mMultiple Airlines
Mon 10/61:39 pmIDA - LAS
1 stop19h 18mMultiple Airlines
Deal found 9/13$206
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:52 amLAS - IDA
1 stop10h 13mMultiple Airlines
Mon 9/299:39 pmIDA - LAS
Nonstop1h 44mMultiple Airlines
Deal found 9/15$208
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 pmLAS - IDA
1 stop24h 08mMultiple Airlines
Fri 11/286:57 pmIDA - LAS
Nonstop1h 45mMultiple Airlines
Deal found 9/15$229
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:23 pmLAS - IDA
1 stop5h 34mUnited Airlines
Thu 12/255:00 amIDA - LAS
1 stop5h 15mUnited Airlines
Deal found 9/16$261
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/36:00 amPHX - IDA
1 stop9h 14mMultiple Airlines
Mon 10/67:40 pmIDA - PHX
1 stop17h 26mMultiple Airlines
Deal found 9/14$282
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:40 pmPHX - IDA
1 stop18h 34mMultiple Airlines
Mon 10/67:40 pmIDA - PHX
1 stop17h 26mMultiple Airlines
Deal found 9/15$288
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/279:49 amPHX - IDA
1 stop6h 29mUnited Airlines
Tue 9/305:00 amIDA - PHX
1 stop6h 33mUnited Airlines
Deal found 9/13$341

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 September 16, 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

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 9/26

1:16 pm-4:05 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 9/29

9:39 pm-10:23 pm

Nonstop1h 44m

$95

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 10/3

1:25 pm-4:14 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 10/6

7:40 pm-8:23 pm

Nonstop1h 43m

$104

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 9/29

12:00 pm-2:49 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 9/29

9:39 pm-10:23 pm

Nonstop1h 44m

$194

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 10/3

1:25 pm-4:14 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Fri 11/14

4:58 pm-8:38 am

1 stop16h 40m

$199

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 9/26

10:52 am-10:05 pm

1 stop10h 13m

Idaho Falls Fanning Field

Mon 9/29

9:39 pm-10:23 pm

Nonstop1h 44m

$208

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 12/24

4:23 pm-10:57 pm

1 stop5h 34m

Idaho Falls Fanning Field

Thu 12/25

5:00 am-9:15 am

1 stop5h 15m

$261

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 10/30

12:31 pm-11:59 pm

1 stop10h 28m

Idaho Falls Fanning Field

Sun 11/2

5:05 am-10:18 am

1 stop6h 13m

$295

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 11/20

3:58 pm-10:34 pm

1 stop5h 36m

Idaho Falls Fanning Field

Fri 11/28

7:10 am-12:41 pm

1 stop6h 31m

$300

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 9/27

9:49 am-5:18 pm

1 stop6h 29m

Idaho Falls Fanning Field

Tue 9/30

5:00 am-10:33 am

1 stop6h 33m

$341

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Fri 10/24

4:25 pm-10:49 pm

1 stop5h 24m

Idaho Falls Fanning Field

Sun 10/26

5:00 am-8:59 am

1 stop4h 59m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 47 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, October is the cheapest month in which you can book a flight from Arizona to Idaho Falls (average of $380). Flying from Arizona to Idaho Falls in December is currently the most expensive (average of $578). 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 September 16, 2025.

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

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 1h 49m. Fly via Allegiant Air, United Airlines, or Delta to get the fastest option. The distance between Arizona and Idaho Falls is about 538 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?

    $66 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 Hawaiian Airlines and Alaska Airlines, with prices starting from $130 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, October is the cheapest month in which you can book a flight from Arizona to Idaho Falls (average of $380). Flying from Arizona to Idaho Falls in December is currently the most expensive (average of $578). 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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Alternative routes for Arizona to Idaho Falls

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$204FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$271Average$586FlexibilityNo cancel feeOn-time71%
DeltaCheapest$285Average$371FlexibilityNo cancel feeOn-timeN/A

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