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Idaho Falls

$103+ Cheap flights from Sky Harbor Intl (PHX) 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Idaho Falls

Cheapest flights from Sky Harbor Intl to Idaho Falls
Explore the most affordable flight options available from Sky Harbor Intl to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/177:25 am
PHX
-
IDA
1 stop13h 06m
Multiple Airlines
Fri 4/244:17 pm
IDA
-
PHX
1 stop24h 49m
Multiple Airlines
Deal found 3/20$296
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/136:45 am
PHX
-
IDA
1 stop7h 42m
Multiple Airlines
Mon 4/1310:21 pm
IDA
-
PHX
2 stops14h 24m
Multiple Airlines
Deal found 3/22$373
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:59 pm
PHX
-
IDA
2 stops16h 18m
Alaska Airlines
Sun 5/246:00 am
IDA
-
PHX
1 stop7h 45m
Alaska Airlines
Deal found 3/19$385
This Delta deal was found by Cheapflights users on 3/18. 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.
Sat 8/16:00 am
PHX
-
IDA
1 stop3h 39m
Delta
Sat 8/86:10 am
IDA
-
PHX
1 stop3h 42m
Delta
Deal found 3/18$395
This American Airlines deal was found by Cheapflights users on 3/22. 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.
Sat 4/258:32 pm
PHX
-
IDA
Nonstop2h 07m
American Airlines
Mon 4/277:48 am
IDA
-
PHX
Nonstop2h 17m
American Airlines
Deal found 3/22$413
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 4/157:20 am
PHX
-
IDA
1 stop14h 32m
Alaska Airlines
Sat 4/184:59 pm
IDA
-
PHX
1 stop5h 52m
Alaska Airlines
Deal found 3/18$419
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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.
Sat 12/127:01 am
PHX
-
IDA
2 stops15h 38m
Alaska Airlines
Tue 12/154:00 pm
IDA
-
PHX
1 stop5h 17m
Alaska Airlines
Deal found 3/22$421
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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.
Thu 9/241:55 pm
PHX
-
IDA
1 stop7h 44m
Alaska Airlines
Sun 9/276:15 am
IDA
-
PHX
1 stop5h 43m
Alaska Airlines
Deal found 3/22$423
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:00 am
PHX
-
IDA
1 stop9h 29m
Alaska Airlines
Mon 4/276:00 am
IDA
-
PHX
1 stop6h 14m
Alaska Airlines
Deal found 3/22$424

Find flight deals from Sky Harbor Intl to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(Kiwi.com)

One-way from

$103
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$366
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Idaho Falls Fanning Field flights.
Search Deals
From Phoenix Sky Harbor Intl to Idaho Falls Fanning Field
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 March 23, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 8/1

6:00 am-10:39 am

1 stop3h 39m

Idaho Falls Fanning Field

Sat 8/8

6:10 am-8:52 am

1 stop3h 42m

$395

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 9/15

3:47 pm-10:39 pm

1 stop5h 52m

Idaho Falls Fanning Field

Sun 9/20

6:15 am-12:57 pm

1 stop7h 42m

$409
Quickest round-trip

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 5/22

1:23 pm-6:14 pm

1 stop3h 51m

Idaho Falls Fanning Field

Wed 5/27

6:00 am-8:28 am

1 stop3h 28m

$433

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 4/15

7:20 am-10:52 pm

1 stop14h 32m

Idaho Falls Fanning Field

Sat 4/18

4:59 pm-2:39 pm

2 stops22h 40m

$440

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 6/26

8:56 pm-1:06 pm

1 stop15h 10m

Idaho Falls Fanning Field

Tue 6/30

4:14 pm-8:40 pm

1 stop5h 26m

$453

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 5/19

12:04 pm-10:53 pm

2 stops9h 49m

Idaho Falls Fanning Field

Sun 5/24

4:03 pm-11:59 pm

2 stops8h 56m

$465

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 8/5

9:52 am-2:41 pm

1 stop3h 49m

Idaho Falls Fanning Field

Sun 8/9

6:00 am-8:44 am

1 stop3h 44m

$487

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 8/23

6:05 pm-2:27 pm

1 stop19h 22m

Idaho Falls Fanning Field

Fri 8/28

4:03 pm-9:01 pm

1 stop5h 58m

$501

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 8/5

7:00 am-1:06 pm

1 stop5h 06m

Idaho Falls Fanning Field

Sun 8/9

4:14 pm-8:40 pm

1 stop5h 26m

$523
Cheapest one-way

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Mon 5/18

7:53 pm-1:17 pm

2 stops16h 24m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Sky Harbor Intl to Idaho Falls

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 Sky Harbor Intl to Idaho Falls in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Phoenix Sky Harbor Intl Airport-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub 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 Phoenix Sky Harbor Intl Airport-Idaho Falls 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 Sky Harbor Intl to Idaho Falls

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

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

Currently, July is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Idaho Falls (average of $156). Flying from Phoenix Sky Harbor Intl Airport to Idaho Falls in June is currently the most expensive (average of $277). 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 Sky Harbor Intl 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 March 23, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Phoenix Sky Harbor Intl Airport to Idaho Falls by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Idaho Falls?

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 March 23, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Idaho Falls, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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
8,319 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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
9,460 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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
7.1
Good
11,489 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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 Sky Harbor Intl 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 Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 1 inbound flight from Phoenix Sky Harbor Intl per day. 3 airlines have flights to Idaho Falls Fanning Field from Phoenix Sky Harbor Intl on a regular basis.

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

    Airlines like Alaska Airlines and Delta fly from Phoenix Sky Harbor Intl Airport to Idaho Falls in about 3h 39m. The time it takes to get you to your destination can typically vary by up to 12h 39m. The distance between Phoenix Sky Harbor Intl Airport and Idaho Falls is about 696 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Delta, at $220, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Idaho Falls.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Idaho Falls from Phoenix Sky Harbor Intl Airport, check out the most reliable airlines to get you to your destination on time: Porter Airlines (92%), SkyWest Airlines (83%), American Airlines( 83%).

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Idaho Falls (average of $156). Flying from Phoenix Sky Harbor Intl Airport to Idaho Falls in June is currently the most expensive (average of $277). 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 3 airlines flying from Sky Harbor Intl to Idaho Falls

Discover the top 3 airlines that operate flights from Sky Harbor Intl 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$445FlexibilityNo cancel feeOn-time69%

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