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$50+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Round-trip from

$90
(Booking.com)

One-way from

$50
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$431

Good round-trip deal

$167 or less

Good one-way deal

$76 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. 13% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Booking.com deal was found by Cheapflights users on 1/13. 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 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 1/13$90
This Booking.com deal was found by Cheapflights users on 1/14. 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 2/1610:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Fri 2/2012:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/14$106
This Booking.com deal was found by Cheapflights users on 1/12. 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 1/12$107
This Flightnetwork deal was found by Cheapflights users on 1/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:30 pm
IDA
-
LAS
Nonstop1h 46m
Allegiant Air
Fri 3/1312:28 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/14$121
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:20 pm
IDA
-
LAS
Nonstop1h 47m
Allegiant Air
Mon 2/211:23 am
LAS
-
IDA
Nonstop1h 56m
Allegiant Air
Deal found 1/13$124
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/199:20 pm
IDA
-
LAS
Nonstop1h 47m
Allegiant Air
Fri 1/2311:23 am
LAS
-
IDA
Nonstop1h 56m
Allegiant Air
Deal found 1/13$129
This Booking.com deal was found by Cheapflights users on 1/13. 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 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
Mon 1/2611:23 am
LAS
-
IDA
Nonstop1h 56m
Allegiant Air
Deal found 1/13$139
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Mon 5/257:48 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 5/2910:15 am
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 1/13$142
This Booking.com deal was found by Cheapflights users on 1/14. 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.
Fri 3/610:30 pm
IDA
-
LAS
Nonstop1h 46m
Allegiant Air
Mon 3/912:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 1/14$144
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Mon 3/3010:13 pm
IDA
-
PHX
1 stop18h 05m
Multiple Airlines
Thu 4/21:22 pm
PHX
-
IDA
1 stop24h 50m
Multiple Airlines
Deal found 1/13$231
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 3/64:21 pm
IDA
-
PHX
1 stop18h 52m
Multiple Airlines
Mon 3/97:45 am
PHX
-
IDA
1 stop6h 46m
Multiple Airlines
Deal found 1/13$235
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Mon 2/99:20 pm
IDA
-
PHX
1 stop16h 35m
Multiple Airlines
Fri 2/1310:00 am
PHX
-
IDA
1 stop5h 31m
Multiple Airlines
Deal found 1/14$262

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 15, 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

Fri 1/30

9:20 pm-10:07 pm

Nonstop1h 47m

Las Vegas Harry Reid Intl

Mon 2/2

11:23 am-2:19 pm

Nonstop1h 56m

$130

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 4/10

10:21 pm-11:02 pm

Nonstop1h 41m

Las Vegas Harry Reid Intl

Mon 4/13

12:42 pm-3:27 pm

Nonstop1h 45m

$209

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 5/25

1:50 pm-8:45 am

1 stop19h 55m

Las Vegas Harry Reid Intl

Fri 5/29

10:15 am-1:00 pm

Nonstop1h 45m

$236

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 4/10

10:21 pm-11:02 pm

Nonstop1h 41m

Las Vegas Harry Reid Intl

Mon 4/13

3:00 pm-9:31 pm

1 stop5h 31m

$251

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 2/2

2:40 pm-8:32 pm

1 stop6h 52m

Las Vegas Harry Reid Intl

Fri 2/6

5:20 am-1:30 pm

1 stop7h 10m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 5/19

6:00 am-11:04 am

1 stop6h 04m

Las Vegas Harry Reid Intl

Wed 5/27

7:20 am-1:06 pm

1 stop4h 46m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 5/26

5:57 pm-9:59 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

Thu 5/28

6:00 am-1:31 pm

1 stop6h 31m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 5/26

6:00 am-11:04 am

1 stop6h 04m

Las Vegas Harry Reid Intl

Sat 5/30

7:20 am-1:06 pm

1 stop4h 46m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Wed 5/27

5:57 pm-9:59 pm

1 stop5h 02m

Las Vegas Harry Reid Intl

Thu 5/28

6:00 am-1:31 pm

1 stop6h 31m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Sat 5/23

2:35 pm-7:04 pm

1 stop5h 29m

Las Vegas Harry Reid Intl

Wed 5/27

6:00 am-1:31 pm

1 stop6h 31m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 60 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 15, 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 15, 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 15, 2026.
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
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,721 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,050 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,164 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,135 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Allegiant Air
7.2
Good
702 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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, United Airlines, and Alaska Airlines can get you from Idaho Falls to Arizona in just under 1h 47m. Your travel time can differ by up to 26h 01m. 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 (92%), American Airlines (92%) or Porter Airlines (92%) 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 $413, our data shows the cheapest flight currently is $160. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $231 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.

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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$189FlexibilityNo cancel feeOn-time88%
DeltaCheapest$142Average$389FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$256Average$514FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$280Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$475FlexibilityNo cancel feeOn-time71%

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