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$66+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Booking.com deal was found by Cheapflights users on 1/21. 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 2/2310:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Fri 2/2712:45 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/21$90
This Booking.com deal was found by Cheapflights users on 1/20. 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 2/29:20 pm
IDA
-
LAS
Nonstop1h 47m
Allegiant Air
Fri 2/611:23 am
LAS
-
IDA
Nonstop1h 56m
Allegiant Air
Deal found 1/20$106
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Mon 2/1610:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Fri 2/2012:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/19$107
This Booking.com deal was found by Cheapflights users on 1/20. 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 4/2010:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 4/2412:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/20$109
This Booking.com deal was found by Cheapflights users on 1/21. 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 3/610:30 pm
IDA
-
LAS
Nonstop1h 46m
Allegiant Air
Mon 3/912:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/21$130
This Booking.com deal was found by Cheapflights users on 1/21. 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 5/410:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Mon 5/1112:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/21$134
This Booking.com deal was found by Cheapflights users on 1/21. 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 4/1710:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Mon 4/2012:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/21$139
This Booking.com deal was found by Cheapflights users on 1/20. 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 1/239:20 pm
IDA
-
LAS
Nonstop1h 47m
Allegiant Air
Fri 1/3011:23 am
LAS
-
IDA
Nonstop1h 56m
Allegiant Air
Deal found 1/20$142
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 7/206:05 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 7/318:30 am
LAS
-
IDA
Nonstop1h 48m
Allegiant Air
Deal found 1/21$153
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/146:03 am
IDA
-
PHX
Nonstop2h 27m
American Airlines
Wed 2/189:13 pm
PHX
-
IDA
Nonstop2h 11m
American Airlines
Deal found 1/20$291
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:20 pm
IDA
-
PHX
1 stop27h 40m
Alaska Airlines
Tue 3/36:00 am
PHX
-
IDA
1 stop10h 43m
Alaska Airlines
Deal found 1/21$293
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/185:33 pm
IDA
-
PHX
1 stop5h 17m
United Airlines
Wed 2/258:25 am
PHX
-
IDA
1 stop5h 05m
United Airlines
Deal found 1/20$307

Find 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 January 21, 2026.

Round-trip from

$90
(Booking.com)

One-way from

$66
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$431

Good round-trip deal

$199 or less

Good one-way deal

$270 or less
From Idaho Falls Fanning Field to Arizona
Search Deals
One-way flight from Idaho Falls Fanning Field to Arizona
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Idaho Falls Fanning Field to Arizona.
Search Deals
Price to beat on a one-way flight from Idaho Falls Fanning Field to Arizona.
Search Deals

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 January 21, 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 FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-11:19 pm

Nonstop1h 48m

Las Vegas Harry Reid Intl

Fri 2/20

12:45 pm-3:31 pm

Nonstop1h 46m

$107

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 4/20

4:59 pm-10:46 pm

1 stop6h 47m

Las Vegas Harry Reid Intl

Fri 4/24

12:42 pm-3:27 pm

Nonstop1h 45m

$212

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 4/28

6:57 pm-11:36 pm

1 stop5h 39m

Las Vegas Harry Reid Intl

Tue 5/5

5:10 pm-10:35 pm

1 stop4h 25m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 7/3

4:15 pm-9:59 pm

1 stop6h 44m

Las Vegas Harry Reid Intl

Mon 7/6

6:00 am-1:31 pm

1 stop6h 31m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 2/17

6:35 pm-11:22 pm

1 stop5h 47m

Las Vegas Harry Reid Intl

Tue 2/24

1:20 pm-5:49 pm

1 stop3h 29m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Thu 7/2

5:57 pm-9:59 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

Mon 7/6

6:00 am-1:31 pm

1 stop6h 31m

$269

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 7/20

5:57 pm-9:59 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

Sat 7/25

6:00 am-1:31 pm

1 stop6h 31m

$269

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 6/30

5:57 pm-9:59 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

Mon 7/6

6:00 am-1:31 pm

1 stop6h 31m

$269

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 7/3

5:57 pm-9:59 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

Sun 7/5

6:00 am-1:31 pm

1 stop6h 31m

$269

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 7/3

4:15 pm-8:19 pm

1 stop5h 04m

Las Vegas Harry Reid Intl

Wed 7/8

7:17 am-1:31 pm

1 stop5h 14m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 52 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 January 21, 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 53% 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 January 21, 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 January 21, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Idaho Falls to Arizona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
705 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, Delta, and United Airlines can get you from Idaho Falls to Arizona in just under 1h 48m. Your travel time can differ by up to 4h 56m. 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 (87%), American Airlines (87%) or Porter Airlines (87%) 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 $460, 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 $305 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 4 airlines flying from Idaho Falls to Arizona

Discover the top 4 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$180FlexibilityNo cancel feeOn-time88%
DeltaCheapest$142Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$440FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$474FlexibilityNo cancel feeOn-time71%

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