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Idaho Falls

$96+ Cheap flights from Phoenix 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Phoenix to Idaho Falls

Cheapest flights from Phoenix to Idaho Falls
Explore the most affordable flight options available from Phoenix to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/249:23 amPHX - IDA
1 stop5h 32mMultiple Airlines
Fri 11/286:57 pmIDA - PHX
1 stop13h 22mMultiple Airlines
Deal found 11/9$221
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/127:00 amPHX - IDA
2 stops12h 26mMultiple Airlines
Sun 12/144:39 pmIDA - PHX
1 stop16h 09mMultiple Airlines
Deal found 11/9$249
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/47:43 pmPHX - IDA
1 stop17h 33mMultiple Airlines
Sun 12/74:39 pmIDA - PHX
1 stop16h 09mMultiple Airlines
Deal found 11/10$253
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:12 pmPHX - IDA
2 stops10h 09mDelta
Wed 12/107:06 pmIDA - PHX
2 stops16h 01mDelta
Deal found 11/10$275
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/289:23 amPHX - IDA
1 stop8h 44mMultiple Airlines
Sun 11/3010:53 pmIDA - PHX
1 stop22h 45mMultiple Airlines
Deal found 11/9$285
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 11/1410:17 amPHX - IDA
1 stop5h 51mMultiple Airlines
Mon 11/177:56 pmIDA - PHX
1 stop22h 54mMultiple Airlines
Deal found 11/7$290
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/57:00 amPHX - IDA
2 stops12h 26mMultiple Airlines
Sun 12/74:39 pmIDA - PHX
1 stop16h 09mMultiple Airlines
Deal found 11/10$318

Cheap flight deals from Phoenix to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2025.

Round-trip from

$221
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$520
From Phoenix to Idaho Falls Fanning Field
Search Deals
One-way flight from Phoenix to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 November 10, 2025.
Use the filters below to find and compare flights from Phoenix to Idaho Falls that are best for you.

Fly from

Phoenix

Fly to

Idaho Falls

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 12/12

7:00 am-7:26 pm

2 stops12h 26m

Idaho Falls Fanning Field

Sun 12/14

4:39 pm-8:48 am

1 stop16h 09m

$249

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

7:43 pm-1:16 pm

1 stop17h 33m

Idaho Falls Fanning Field

Sun 12/7

4:39 pm-8:48 am

1 stop16h 09m

$253

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Mon 1/12

9:23 am-2:19 pm

1 stop4h 56m

Idaho Falls Fanning Field

Mon 1/19

9:20 pm-10:50 pm

2 stops25h 30m

$262

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/4

12:12 pm-10:21 pm

2 stops10h 09m

Idaho Falls Fanning Field

Wed 12/10

7:06 pm-11:07 am

2 stops16h 01m

$275

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 11/14

10:17 am-4:08 pm

1 stop5h 51m

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-6:50 pm

1 stop22h 54m

$290

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Mon 11/24

9:23 am-8:53 pm

2 stops11h 30m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-8:19 am

1 stop13h 22m

$299

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 12/5

7:00 am-7:26 pm

2 stops12h 26m

Idaho Falls Fanning Field

Sun 12/7

4:39 pm-8:48 am

1 stop16h 09m

$318

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 1/16

7:00 am-6:18 pm

1 stop11h 18m

Idaho Falls Fanning Field

Sun 1/18

6:58 pm-10:46 pm

1 stop27h 48m

$322

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 1/15

9:00 am-10:59 pm

1 stop13h 59m

Idaho Falls Fanning Field

Sun 1/18

6:58 pm-8:55 pm

1 stop25h 57m

$322

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 11/28

9:23 am-6:07 pm

1 stop8h 44m

Idaho Falls Fanning Field

Sun 11/30

10:53 pm-12:32 am

2 stops25h 39m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 19 results
1
2

Best time to book a flight from Phoenix to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Phoenix 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 Phoenix to Idaho Falls

What is the cheapest month to book a flight from Phoenix to Idaho Falls?

Currently, May is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $93). Flying from Phoenix to Idaho Falls in March is currently the most expensive (average of $267). 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 PHX to IDA?

Find hourly flight availability from Phoenix 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 November 10, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 58% on flights from Phoenix to Idaho Falls by exploring options for tickets in the afternoon.

Weekly flight availability from Phoenix to Idaho Falls

Explore weekly flight availability from Phoenix to Idaho Falls. 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 10, 2025.

The most flights from PH1 to IDA are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated November 10, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Phoenix to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

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
9,012 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

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
11,045 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

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
697 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

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 Phoenix 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 Phoenix?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Phoenix. On average, Fanning Field has 1 inbound flight from Phoenix per day from 4 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • How long is the flight from Phoenix to Idaho Falls?

    Departing from Phoenix to Idaho Falls will take you 10h 09m. Airlines will cover a distance of 696 mi.

  • What are the cheapest airlines flying from Phoenix to Idaho Falls round-trip?

    Cheapflights users have booked flights from Phoenix to Idaho Falls round-trip from $107. Other airlines that can offer you cheap pricing are United Airlines, from $247, and American Airlines, from $248. Allegiant Air is priced at 74% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Phoenix to Idaho Falls?

    On average you can expect to pay $291 for a flight from Phoenix to Idaho Falls. The cheapest flight overall is $248 while the most popular route, (Phoenix Sky Harbor Intl - Idaho Falls Fanning Field) is currently priced at $221.

  • Can I find deals for flights from Phoenix to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Phoenix to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Idaho Falls.

  • Can I find deals for business class flights from Phoenix to Idaho Falls?

    Yes. Cheapflights offers flight deals from Phoenix 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 Phoenix to Idaho Falls?

    Currently, May is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $93). Flying from Phoenix to Idaho Falls in March is currently the most expensive (average of $267). 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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Top 4 airlines flying from Phoenix to Idaho Falls

Discover the top 4 airlines that operate flights from Phoenix 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$209FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$386FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$413FlexibilityNo cancel feeOn-timeN/A

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