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$52+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Round-trip from

$113
(Cheapflightsfares)

One-way from

$52
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$371

Good round-trip deal

$156 or less

Good one-way deal

$165 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. 11% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 3, 2025.

This Flightnetwork deal was found by Cheapflights users on 11/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Fri 11/2112:09 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 11/1$115
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:16 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Fri 12/1911:31 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 11/2$128
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:43 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Mon 11/2412:09 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 11/1$140
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:16 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Mon 12/1510:27 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 11/2$151
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub 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 11/1$157
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 11/286:57 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Mon 12/14:22 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 11/3$163
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/1410:56 pmIDA - LAS
Nonstop1h 42mMultiple Airlines
Fri 11/2111:18 amLAS - IDA
1 stop8h 35mMultiple Airlines
Deal found 11/1$171
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:52 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Fri 11/71:22 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 11/1$182
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/219:43 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Wed 11/261:17 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 11/2$190
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/177:56 pmIDA - PHX
1 stop26h 28mMultiple Airlines
Mon 11/249:23 amPHX - IDA
1 stop5h 32mMultiple Airlines
Deal found 11/1$192
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/1410:56 pmIDA - PHX
1 stop24h 33mMultiple Airlines
Mon 11/177:01 amPHX - IDA
1 stop6h 06mMultiple Airlines
Deal found 11/1$222
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Wed 11/2610:51 pmIDA - PHX
1 stop9h 28mMultiple Airlines
Tue 12/27:43 pmPHX - IDA
1 stop15h 46mMultiple Airlines
Deal found 11/1$225

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 November 3, 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 1/16

9:20 pm-10:07 pm

Nonstop1h 47m

Las Vegas Harry Reid Intl

Mon 1/19

11:23 am-2:19 pm

Nonstop1h 56m

$127

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 12/15

8:16 pm-9:01 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 12/19

11:31 am-2:20 pm

Nonstop1h 49m

$128

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 11/21

9:43 pm-10:28 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Wed 11/26

1:17 pm-4:03 pm

Nonstop1h 46m

$190

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-6:31 pm

1 stop22h 33m

Phoenix Sky Harbor Intl

Mon 12/8

7:00 am-7:26 pm

2 stops12h 26m

$222

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Wed 12/3

12:19 pm-1:04 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Sun 12/7

1:00 pm-3:49 pm

Nonstop1h 49m

$232

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 12/26

10:52 pm-11:35 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Mon 12/29

1:23 pm-4:12 pm

Nonstop1h 49m

$238

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 12/12

3:26 pm-11:47 pm

2 stops9h 21m

Las Vegas Harry Reid Intl

Mon 12/15

10:27 am-1:16 pm

Nonstop1h 49m

$271

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Sat 2/21

6:00 am-9:00 am

1 stop4h 00m

Las Vegas Harry Reid Intl

Tue 2/24

10:59 am-10:21 pm

2 stops10h 22m

$272

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Sun 12/7

4:39 pm-5:24 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Mon 12/8

10:27 am-1:16 pm

Nonstop1h 49m

$281

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 2/20

2:40 pm-8:31 pm

1 stop6h 51m

Las Vegas Harry Reid Intl

Mon 2/23

5:20 am-1:30 pm

1 stop7h 10m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 51 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 April is currently the most expensive (average of $180). 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 November 3, 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 38% 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 October 26, 2025.

Travelers seeking maximum savings on their Idaho Falls to Arizona flight should consider departing on Friday afternoons 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.

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 November 3, 2025.

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).

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 November 3, 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
11,235 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,235 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,997 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,036 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Allegiant Air
7.2
Good
694 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 47m. Your travel time can differ by up to 4h 31m. 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 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 cheapest flights from Idaho Falls to Arizona?

    While on average a flight from Idaho Falls to Arizona is generally $476, our data shows the cheapest flight currently is $270. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $222 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 April is currently the most expensive (average of $180). 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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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$193FlexibilityNo cancel feeOn-time88%
DeltaCheapest$164Average$395FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$256Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$291Average$544FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$405Average$604FlexibilityNo cancel feeOn-time69%

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