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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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$252
(Delta)

One-way from

$139
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$536

Good round-trip deal

$607 or less

Good one-way deal

$350 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. 9% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 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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Price to beat on a one-way 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 11/36:50 pmIDA - PHX
1 stop5h 51mDelta
Tue 11/116:15 pmPHX - IDA
1 stop4h 05mDelta
Deal found 6/12$252
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 11/35:37 amIDA - PHX
Nonstop2h 13mAmerican Airlines
Tue 11/115:00 amPHX - IDA
1 stop7h 19mAmerican Airlines
Deal found 6/12$304
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 11/36:05 amIDA - PHX
1 stop7h 45mAlaska Airlines
Tue 11/114:15 pmPHX - IDA
2 stops23h 04mAlaska Airlines
Deal found 6/12$310
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/275:00 amIDA - PHX
1 stop4h 49mUnited Airlines
Tue 7/299:51 amPHX - IDA
1 stop6h 31mUnited Airlines
Deal found 6/10$360
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/35:49 pmIDA - PHX
2 stops23h 01mMultiple Airlines
Sun 7/612:54 pmPHX - IDA
1 stop21h 50mMultiple Airlines
Deal found 6/10$385

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 June 12, 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

Mon 11/3

6:50 pm-12:41 am

1 stop5h 51m

Phoenix Sky Harbor Intl

Tue 11/11

6:15 pm-10:20 pm

1 stop4h 05m

$252

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 11/3

5:37 am-7:50 am

Nonstop2h 13m

Phoenix Sky Harbor Intl

Tue 11/11

5:00 am-12:19 pm

1 stop7h 19m

$304

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 11/3

6:05 am-1:50 pm

1 stop7h 45m

Phoenix Sky Harbor Intl

Tue 11/11

4:15 pm-3:19 pm

2 stops23h 04m

$310

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sun 7/27

5:00 am-8:49 am

1 stop4h 49m

Phoenix Sky Harbor Intl

Tue 7/29

9:51 am-5:22 pm

1 stop6h 31m

$360

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Thu 7/3

5:49 pm-3:50 pm

2 stops23h 01m

Phoenix Sky Harbor Intl

Sun 7/6

12:54 pm-11:44 am

1 stop21h 50m

$385

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 9/10

4:03 pm-11:55 pm

1 stop8h 52m

$139

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 7/23

4:13 pm-10:00 pm

1 stop6h 47m

$140

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 6/20

11:20 am-4:20 pm

1 stop6h 00m

$146

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 7/18

6:12 pm-10:19 pm

2 stops29h 07m

$191

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 7/9

6:51 am-3:07 pm

2 stops9h 16m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 June 8, 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.

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Idaho Falls to Phoenix, such as Alaska Airlines, Delta and United Airlines. 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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    Delta, at $252, was found to be the cheapest airline from Idaho Falls to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Alaska Airlines. Delta is currently priced 40% 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), United Airlines ($140), and Delta ($146).

  • 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 $491, our data shows the cheapest flight currently is $350. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $284 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 Idaho Falls?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$102Average$307FlexibilityNo cancel feeOn-time88%
DeltaCheapest$288Average$402FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$293Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$311Average$565FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$409Average$590FlexibilityNo cancel feeOn-time69%

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