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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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/177:56 pmIDA - PHX
2 stops13h 35mMultiple Airlines
Fri 11/216:00 amPHX - IDA
1 stop10h 32mMultiple Airlines
Deal found 10/28$227
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/44:39 pmIDA - PHX
1 stop16h 09mMultiple Airlines
Sun 12/74:30 pmPHX - IDA
1 stop22h 06mMultiple Airlines
Deal found 10/26$265
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:10 amIDA - PHX
Nonstop2h 20mAmerican Airlines
Tue 11/258:28 pmPHX - IDA
Nonstop2h 06mAmerican Airlines
Deal found 10/26$291
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/173:50 pmIDA - PHX
1 stop8h 37mAlaska Airlines
Thu 11/206:20 amPHX - IDA
1 stop17h 39mAlaska Airlines
Deal found 10/27$302
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/173:50 pmIDA - PHX
1 stop28h 00mAlaska Airlines
Fri 11/216:00 amPHX - IDA
1 stop8h 37mAlaska Airlines
Deal found 10/28$311
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/85:07 pmIDA - PHX
2 stops21h 34mAlaska Airlines
Fri 12/126:00 amPHX - IDA
1 stop17h 59mAlaska Airlines
Deal found 10/27$312
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/194:15 pmIDA - PHX
1 stop6h 25mUnited Airlines
Tue 11/258:30 amPHX - IDA
1 stop6h 46mUnited Airlines
Deal found 10/27$326
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:50 pmIDA - PHX
1 stop8h 01mAlaska Airlines
Fri 11/2110:29 pmPHX - IDA
1 stop25h 30mAlaska Airlines
Deal found 10/26$333
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/710:56 pmIDA - PHX
2 stops16h 22mMultiple Airlines
Sun 11/99:46 pmPHX - IDA
1 stop15h 21mMultiple Airlines
Deal found 10/26$335

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$358

Good round-trip deal

$387 or less

Good one-way deal

$210 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
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One-way flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($53 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 October 2025
Search Deals
Price to beat on a round-trip flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl.
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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 October 28, 2025.
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

Thu 12/4

4:39 pm-8:48 am

1 stop16h 09m

Phoenix Sky Harbor Intl

Sun 12/7

4:30 pm-2:36 pm

1 stop22h 06m

$265

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 1/7

9:00 am-4:00 pm

1 stop7h 00m

Phoenix Sky Harbor Intl

Sat 1/10

3:17 pm-10:59 pm

1 stop7h 42m

$267

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 1/6

6:00 am-11:59 pm

1 stop17h 59m

Phoenix Sky Harbor Intl

Tue 1/13

3:17 pm-6:18 pm

1 stop27h 01m

$283

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 1/20

9:00 am-8:55 pm

1 stop11h 55m

Phoenix Sky Harbor Intl

Sat 1/24

7:00 am-6:18 pm

1 stop11h 18m

$283

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 1/5

2:43 pm-12:41 pm

1 stop21h 58m

Phoenix Sky Harbor Intl

Sat 1/10

3:17 pm-10:59 pm

1 stop7h 42m

$292

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 1/20

9:00 am-4:18 pm

1 stop7h 18m

Phoenix Sky Harbor Intl

Tue 1/20

7:35 pm-6:18 pm

1 stop22h 43m

$302

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 11/17

3:50 pm-12:27 am

1 stop8h 37m

Phoenix Sky Harbor Intl

Thu 11/20

6:20 am-11:59 pm

1 stop17h 39m

$302

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 12/8

5:07 pm-11:08 am

1 stop18h 01m

Phoenix Sky Harbor Intl

Fri 12/12

6:00 am-4:27 pm

1 stop10h 27m

$302

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 11/17

3:50 pm-7:50 pm

1 stop28h 00m

Phoenix Sky Harbor Intl

Fri 11/21

6:00 am-2:37 pm

1 stop8h 37m

$311

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 1/26

9:20 pm-2:33 pm

1 stop17h 13m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 October 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Idaho Falls to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Sky Harbor Intl. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Idaho Falls to Phoenix Sky Harbor Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
11,199 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Boarding

8.1

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
11,199 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Boarding

8.1

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
7.9
Good
7,995 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Boarding

8.1

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
8,996 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Boarding

8.1

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
11,033 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Boarding

8.1

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
695 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Boarding

8.1

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 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 are 0 flights from Fanning Field to Phoenix Sky Harbor Intl per day from 5 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 7h. Alaska Airlines provides one of the quickest options available for as low as $267. 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 Alaska Airlines and American Airlines. Allegiant Air is currently priced 73% below the average price you’ll pay for this route.

  • 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 $476, 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 $265 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
Glendale
Payson
Chandler
Casa Grande
Globe
Goodyear
Peoria
Camp Verde
Buckeye
Surprise
Paradise Valley
Avondale
Guadalupe

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Top 5 airlines flying from Idaho Falls to Sky Harbor Intl

Discover the top 5 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$250FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$276Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$291Average$548FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$409FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$405Average$604FlexibilityNo cancel feeOn-time69%

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