Idaho Falls

$91+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Mar 5 — Mar 121
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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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/1312:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Mon 2/2310:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Deal found 2/1$122
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/212:45 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Mon 3/910:30 pm
IDA
-
LAS
Nonstop1h 46m
Allegiant Air
Deal found 2/2$139
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/1312:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Fri 2/2010:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Deal found 2/2$155
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/212:45 pm
LAS
-
IDA
Nonstop1h 45m
Multiple Airlines
Mon 3/94:21 pm
IDA
-
LAS
1 stop16h 32m
Multiple Airlines
Deal found 2/2$202
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 6/221:22 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Fri 6/2610:56 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Deal found 2/2$206
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/67:25 am
PHX
-
IDA
1 stop14h 15m
Multiple Airlines
Mon 3/910:30 pm
IDA
-
PHX
1 stop17h 48m
Multiple Airlines
Deal found 2/1$217
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:25 am
LAS
-
IDA
Nonstop1h 45m
Multiple Airlines
Sat 6/66:00 am
IDA
-
LAS
1 stop6h 04m
Multiple Airlines
Deal found 1/31$221
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/203:58 pm
PHX
-
IDA
1 stop5h 43m
Multiple Airlines
Mon 2/2310:31 pm
IDA
-
PHX
1 stop20h 23m
Multiple Airlines
Deal found 2/1$224
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/210:20 am
PHX
-
IDA
1 stop5h 10m
Multiple Airlines
Mon 3/910:30 pm
IDA
-
PHX
1 stop17h 48m
Multiple Airlines
Deal found 2/1$225
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/1312:45 pm
LAS
-
IDA
Nonstop1h 46m
Multiple Airlines
Mon 2/234:21 pm
IDA
-
LAS
1 stop16h 32m
Multiple Airlines
Deal found 2/1$244
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/56:13 pm
PHX
-
IDA
1 stop27h 27m
Multiple Airlines
Mon 3/910:30 pm
IDA
-
PHX
2 stops14h 24m
Multiple Airlines
Deal found 2/1$253
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/210:20 am
PHX
-
IDA
1 stop5h 10m
Multiple Airlines
Fri 3/610:30 pm
IDA
-
PHX
1 stop21h 48m
Multiple Airlines
Deal found 2/1$263

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 February 3, 2026.

Round-trip from

$122
(Kiwi.com)

One-way from

$91
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$536

Good round-trip deal

$156 or less

Good one-way deal

$92 or less
From Arizona to Idaho Falls Fanning Field
One-way flight from Arizona to Idaho Falls Fanning Field
Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Arizona to Idaho Falls Fanning Field.
Price to beat on a one-way flight from Arizona to Idaho Falls Fanning Field.

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 February 3, 2026.
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 2/13

12:45 pm-3:31 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-11:19 pm

Nonstop1h 48m

$122

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 3/2

12:45 pm-3:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 3/9

10:30 pm-11:16 pm

Nonstop1h 46m

$139

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 3/2

12:45 pm-3:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 3/9

4:21 pm-7:53 am

1 stop16h 32m

$202

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 6/1

7:25 am-10:10 am

Nonstop1h 45m

Idaho Falls Fanning Field

Sat 6/6

6:00 am-11:04 am

1 stop6h 04m

$221

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 2/13

12:45 pm-3:31 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 2/23

4:21 pm-7:53 am

1 stop16h 32m

$244

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 6/1

8:59 pm-1:06 pm

1 stop15h 07m

Idaho Falls Fanning Field

Sat 6/6

6:00 am-11:04 am

1 stop6h 04m

$295

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Fri 3/6

6:00 am-4:43 pm

1 stop10h 43m

Idaho Falls Fanning Field

Mon 3/9

5:20 pm-10:59 pm

1 stop6h 39m

$299

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 3/4

8:25 am-1:30 pm

1 stop5h 05m

Idaho Falls Fanning Field

Tue 3/10

2:35 pm-6:39 pm

1 stop5h 04m

$306

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 3/4

8:20 am-4:43 pm

1 stop8h 23m

Idaho Falls Fanning Field

Mon 3/9

5:20 pm-11:01 pm

1 stop6h 41m

$319

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 3/4

12:28 pm-11:36 pm

2 stops11h 08m

Idaho Falls Fanning Field

Fri 3/6

5:20 pm-11:59 pm

1 stop6h 39m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 44 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 February 3, 2026.

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 evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 44% on airfare.

How much does it cost to fly round-trip from Arizona to Idaho Falls?

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 46m. Fly via Allegiant Air, Alaska Airlines, or United Airlines 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?

    $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?

  • 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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Alternative routes for Arizona to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$195FlexibilityNo cancel feeOn-time88%
DeltaCheapest$220Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$247Average$445FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$361FlexibilityNo cancel feeOn-time71%

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