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$65+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$84
(Cheapflightsfares)

One-way from

$65
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$215

Good round-trip deal

$135 or less

Good one-way deal

$107 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. 12% potential increase in price ($56 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 September 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 September 17, 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.
Mon 11/177:56 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Fri 11/2112:09 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 9/15$84
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.
Mon 10/207:40 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Fri 10/241:25 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 9/15$114
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 11/710:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 11/1010:21 amLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 9/16$132
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 9/229:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Fri 9/261:16 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 9/17$134
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 11/1410:56 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 11/1710:21 amLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 9/15$142
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.
Mon 11/249:43 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Fri 11/283:21 pmLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 9/16$147
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 10/1010:57 pmIDA - LAS
Nonstop1h 42mAllegiant Air
Mon 10/1310:00 amLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 9/15$159
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 9/2610:55 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Mon 9/2912:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 9/17$169
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.
Mon 9/159:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Mon 9/2212:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Deal found 9/15$199
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.
Mon 11/171:57 pmIDA - LAS
1 stop19h 41mMultiple Airlines
Fri 11/2112:09 pmLAS - IDA
Nonstop1h 46mMultiple Airlines
Deal found 9/15$200
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:57 pmIDA - LAS
Nonstop1h 42mMultiple Airlines
Sat 10/258:00 amLAS - IDA
1 stop6h 38mMultiple Airlines
Deal found 9/15$202
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 10/2410:57 pmIDA - PHX
1 stop14h 26mMultiple Airlines
Mon 10/275:45 amPHX - IDA
1 stop6h 04mMultiple Airlines
Deal found 9/15$235

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 September 17, 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

Mon 11/17

7:56 pm-8:39 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Fri 11/21

12:09 pm-2:55 pm

Nonstop1h 46m

$84

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 11/7

10:56 pm-11:38 pm

Nonstop1h 42m

Las Vegas Harry Reid Intl

Mon 11/10

10:21 am-1:07 pm

Nonstop1h 46m

$132

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-11:38 pm

Nonstop1h 42m

Las Vegas Harry Reid Intl

Mon 11/17

10:21 am-1:07 pm

Nonstop1h 46m

$148

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 11/7

4:58 pm-7:07 pm

1 stop27h 09m

Las Vegas Harry Reid Intl

Mon 11/10

10:21 am-1:07 pm

Nonstop1h 46m

$226

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Sun 2/15

4:00 pm-10:20 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Sat 2/28

4:00 pm-10:38 pm

1 stop5h 38m

$260

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Wed 10/22

4:15 pm-8:37 pm

1 stop5h 22m

Las Vegas Harry Reid Intl

Wed 11/5

7:45 am-3:13 pm

1 stop6h 28m

$260

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 2/17

8:00 am-2:41 pm

1 stop7h 41m

Las Vegas Harry Reid Intl

Thu 2/26

4:00 pm-10:38 pm

1 stop5h 38m

$260

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 2/17

4:00 pm-8:21 pm

1 stop5h 21m

Las Vegas Harry Reid Intl

Sat 2/28

4:00 pm-10:38 pm

1 stop5h 38m

$260

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 2/17

4:00 pm-10:20 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Tue 2/24

2:00 pm-10:38 pm

1 stop7h 38m

$260

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Wed 1/14

2:40 pm-7:02 pm

1 stop5h 22m

Las Vegas Harry Reid Intl

Sat 1/17

3:33 pm-9:14 pm

1 stop4h 41m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, January is the cheapest month in which you can book a flight from Idaho Falls to Arizona (average of $258). Flying from Idaho Falls to Arizona in March is currently the most expensive (average of $337). 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 September 17, 2025.

When flying from Idaho Falls to Arizona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 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
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
699 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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 Hawaiian Airlines can get you from Idaho Falls to Arizona in just under 1h 43m. Your travel time can differ by up to 5h 37m. 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 $75. Delta flights start at $131 while deals on United Airlines start at $131 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 cheapest flights from Idaho Falls to Arizona?

    While on average a flight from Idaho Falls to Arizona is generally $402, our data shows the cheapest flight currently is $210. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $240 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, January is the cheapest month in which you can book a flight from Idaho Falls to Arizona (average of $258). Flying from Idaho Falls to Arizona in March is currently the most expensive (average of $337). 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 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$108Average$240FlexibilityNo cancel feeOn-time88%
DeltaCheapest$164Average$391FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$293Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$311Average$533FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$405Average$539FlexibilityNo cancel feeOn-time69%

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