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Sky Harbor Intl

$139+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$139
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$379

Good round-trip deal

$485 or less
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
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Highest demand for flights based on searches. 10% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl.
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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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:33 amIDA - PHX
Nonstop2h 17mAmerican Airlines
Sat 12/67:50 pmPHX - IDA
Nonstop2h 12mAmerican Airlines
Deal found 7/28$259
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amIDA - PHX
1 stop7h 51mHawaiian Airlines
Wed 10/227:00 amPHX - IDA
1 stop7h 38mHawaiian Airlines
Deal found 7/29$274
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 10/216:00 amIDA - PHX
1 stop6h 09mAlaska Airlines
Wed 10/221:51 pmPHX - IDA
1 stop7h 47mAlaska Airlines
Deal found 7/29$275
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:20 amIDA - PHX
1 stop5h 55mDelta
Tue 9/25:20 pmPHX - IDA
1 stop4h 07mDelta
Deal found 7/28$279
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:03 pmIDA - PHX
1 stop4h 57mUnited Airlines
Sun 8/34:28 pmPHX - IDA
1 stop5h 23mUnited Airlines
Deal found 7/28$291

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 July 29, 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

Wed 12/3

5:33 am-7:50 am

Nonstop2h 17m

Phoenix Sky Harbor Intl

Sat 12/6

7:50 pm-10:02 pm

Nonstop2h 12m

$259

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 10/21

6:00 am-12:51 pm

1 stop7h 51m

Phoenix Sky Harbor Intl

Wed 10/22

7:00 am-3:38 pm

1 stop7h 38m

$274

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 10/21

6:00 am-11:09 am

1 stop6h 09m

Phoenix Sky Harbor Intl

Wed 10/22

1:51 pm-10:38 pm

1 stop7h 47m

$275

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 8/26

11:20 am-4:15 pm

1 stop5h 55m

Phoenix Sky Harbor Intl

Tue 9/2

5:20 pm-10:27 pm

1 stop4h 07m

$279

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 8/9

5:00 am-8:41 am

1 stop4h 41m

Phoenix Sky Harbor Intl

Fri 8/15

4:28 pm-10:51 pm

1 stop5h 23m

$370

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 8/26

6:13 am-11:00 am

1 stop5h 47m

$139

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 8/27

6:00 am-8:29 am

1 stop3h 29m

$140

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 1/24

5:35 am-7:50 am

Nonstop2h 15m

$171

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 8/5

6:03 pm-10:00 pm

1 stop4h 57m

$205

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 8/4

6:12 pm-10:57 am

3 stops17h 45m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, January is the cheapest month in which you can book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Idaho Falls to Phoenix Sky Harbor Intl Airport 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 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 July 29, 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 57% 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 July 27, 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. Monday mornings 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 July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    American Airlines, at $259, was found to be the cheapest airline from Idaho Falls to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. American Airlines is currently priced 38% 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 Alaska Airlines ($139), Delta ($140), and American Airlines ($171).

  • 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 $609, our data shows the cheapest flight currently is $385. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $279 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, January is the cheapest month in which you can book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Idaho Falls to Phoenix Sky Harbor Intl Airport 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

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
Chandler
Payson
Peoria
Glendale
Globe
Goodyear
Surprise
Buckeye
Camp Verde
Casa Grande
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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$117Average$289FlexibilityNo cancel feeOn-time88%
DeltaCheapest$288Average$428FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$293Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$311Average$565FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$405Average$575FlexibilityNo cancel feeOn-time69%

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