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Sky Harbor Intl

$96+ Cheap flights from Idaho Falls (IDA) to Sky Harbor Intl (PHX)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Find cheap flights from Idaho Falls to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl are usually found in September or August, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Idaho Falls to Sky Harbor Intl

Cheapest flights from Idaho Falls to Sky Harbor Intl
Explore the most affordable flight options available from Idaho Falls to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
lun. 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
vie. 3/67:25 am
PHX
-
IDA
1 stop14h 15m
Multiple Airlines
Deal found 1/26$207
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
lun. 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
lun. 3/97:45 am
PHX
-
IDA
1 stop6h 46m
Multiple Airlines
Deal found 1/25$208
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
lun. 4/1310:21 pm
IDA
-
PHX
1 stop15h 34m
Multiple Airlines
jue. 4/168:02 pm
PHX
-
IDA
1 stop18h 25m
Multiple Airlines
Deal found 1/25$219
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
lun. 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
mié. 3/114:27 pm
PHX
-
IDA
2 stops51h 56m
Multiple Airlines
Deal found 1/25$231
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
lun. 3/910:30 pm
IDA
-
PHX
1 stop17h 48m
Multiple Airlines
vie. 3/137:25 am
PHX
-
IDA
1 stop12h 58m
Multiple Airlines
Deal found 1/25$238
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
lun. 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
jue. 3/121:09 pm
PHX
-
IDA
2 stops25h 05m
Multiple Airlines
Deal found 1/26$242
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
vie. 2/2710:29 pm
IDA
-
PHX
2 stops9h 43m
Multiple Airlines
dom. 3/110:32 pm
PHX
-
IDA
1 stop16h 58m
Multiple Airlines
Deal found 1/25$249

Find flight deals from Idaho Falls to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Sky Harbor Intl (PHX). 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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$207
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$451

Good round-trip deal

$451 or less

Good one-way deal

$289 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Phoenix Sky Harbor Intl flights.
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From Idaho Falls Fanning Field to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 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 Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Sky Harbor Intl 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 enero 27, 2026.
Use the filters below to find and compare flights from Idaho Falls to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Idaho Falls

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

sáb. 3/7

5:20 pm-10:55 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

mar. 3/10

11:22 am-11:36 pm

2 stops11h 14m

$265

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mar. 2/24

5:20 pm-11:59 pm

1 stop6h 39m

Phoenix Sky Harbor Intl

mar. 3/3

4:27 pm-4:43 pm

2 stops24h 16m

$265

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

sáb. 3/7

5:20 pm-10:55 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

mié. 3/11

7:20 am-4:43 pm

1 stop8h 23m

$284

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

vie. 2/27

5:20 pm-11:59 pm

1 stop6h 39m

Phoenix Sky Harbor Intl

mar. 3/3

8:56 pm-4:43 pm

1 stop19h 47m

$324

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mar. 3/3

5:20 pm-11:59 pm

1 stop6h 39m

Phoenix Sky Harbor Intl

mié. 3/11

11:22 am-11:36 pm

2 stops11h 14m

$327

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mié. 3/4

8:00 am-11:42 pm

2 stops15h 42m

Phoenix Sky Harbor Intl

mié. 3/11

11:22 am-11:36 pm

2 stops11h 14m

$335

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 4/13

4:59 pm-9:51 pm

1 stop5h 52m

Phoenix Sky Harbor Intl

mar. 4/14

7:20 am-4:19 pm

1 stop7h 59m

$351

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 2/23

10:31 pm-1:55 pm

1 stop15h 24m

$96

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 4/27

10:21 pm-11:49 pm

1 stop26h 28m

$98

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mar. 2/24

5:20 pm-11:59 pm

1 stop6h 39m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 16 results
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Compare providers for flights from Idaho Falls to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Sky Harbor Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Sky Harbor Intl. Price data was last updated on January 23, 2026.

The price you pay for your flight from Idaho Falls to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport (average of $115). Flying from Idaho Falls to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $328). 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 PHX?

Find hourly flight availability from Idaho Falls to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 27, 2026.

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

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated enero 27, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Idaho Falls to Phoenix Sky Harbor Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Food

7.2

Overall

7.9

Crew

8.5

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Overall

7.9

Crew

8.5

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Overall

7.9

Crew

8.5

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
11,197 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Overall

7.9

Crew

8.5

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
706 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Overall

7.9

Crew

8.5

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 Sky Harbor Intl. 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 Phoenix Sky Harbor Intl?

    If you book a flight to Phoenix Sky Harbor Intl from Idaho Falls, you will be flying from Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls. There is 1 flight from Fanning Field to Phoenix Sky Harbor Intl per day from 4 different airlines.

  • How long is the flight from Idaho Falls to Phoenix Sky Harbor Intl Airport?

    A quick flight from Idaho Falls to Phoenix Sky Harbor Intl Airport can take about 5h 35m. Alaska Airlines provides one of the quickest options available for as low as $265. The distance from Idaho Falls to Phoenix Sky Harbor Intl Airport is about 696 mi.

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

    Allegiant Air, at $110, was found to be the cheapest airline from Idaho Falls to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Allegiant Air is currently priced 72% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport one-way?

    The cheapest airlines for a one-way flight from Idaho Falls to Phoenix Sky Harbor Intl Airport are Delta ($145), Alaska Airlines ($146), and United Airlines ($181).

  • What are the most reliable airlines from Idaho Falls to Phoenix Sky Harbor Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport consider choosing SkyWest Airlines (87%), American Airlines (87%) or Porter Airlines (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Idaho Falls to Phoenix Sky Harbor Intl Airport?

    While on average a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport is generally $450, 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 $214 for that flight.

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

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

  • How can I find direct flights from Idaho Falls to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Idaho Falls to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Idaho Falls to Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport (average of $115). Flying from Idaho Falls to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $328). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Glendale
Paradise Valley
Casa Grande
Globe
Peoria
Chandler
Payson
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

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Top 4 airlines flying from Idaho Falls to Sky Harbor Intl

Discover the top 4 airlines that operate flights from Idaho Falls to Sky Harbor Intl. 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 enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$164FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$280Average$440FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$300Average$398FlexibilityNo cancel feeOn-timeN/A

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