HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$95+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Idaho Falls 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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/1210:36 pmPHX - IDA
1 stop13h 23mMultiple Airlines
Sun 12/144:39 pmIDA - PHX
1 stop16h 09mMultiple Airlines
Deal found 12/5$170
This Delta deal was found by Cheapflights users on 12/8. 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 12/292:33 pmPHX - IDA
1 stop3h 44mDelta
Sat 1/35:55 amIDA - PHX
1 stop4h 07mDelta
Deal found 12/8$371
This American Airlines deal was found by Cheapflights users on 12/6. 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.
Tue 12/238:07 pmPHX - IDA
Nonstop2h 14mAmerican Airlines
Mon 12/297:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Deal found 12/6$376
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Thu 12/256:45 amPHX - IDA
1 stop6h 45mUnited Airlines
Wed 12/315:00 amIDA - PHX
1 stop4h 54mUnited Airlines
Deal found 12/7$396
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Sun 12/2810:26 pmPHX - IDA
2 stops23h 41mMultiple Airlines
Mon 1/510:52 pmIDA - PHX
1 stop11h 24mMultiple Airlines
Deal found 12/5$410
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/298:07 pmPHX - IDA
Nonstop2h 14mAmerican Airlines
Fri 1/27:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Deal found 12/8$411
This Delta deal was found by Cheapflights users on 12/8. 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.
Wed 12/316:35 amPHX - IDA
1 stop5h 52mDelta
Sat 1/35:55 amIDA - PHX
1 stop4h 07mDelta
Deal found 12/8$415
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Tue 12/308:07 pmPHX - IDA
Nonstop2h 14mAmerican Airlines
Fri 1/27:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Deal found 12/8$421
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Thu 12/251:50 pmPHX - IDA
Nonstop2h 11mAmerican Airlines
Wed 12/317:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Deal found 12/7$426

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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$170
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$414
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. 18% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 9, 2025.
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

Sky Harbor Intl

Fly to

Idaho Falls

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 12/12

10:36 pm-11:59 am

1 stop13h 23m

Idaho Falls Fanning Field

Sun 12/14

4:39 pm-8:48 am

1 stop16h 09m

$170

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 1/10

7:00 am-6:18 pm

1 stop11h 18m

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-2:00 pm

2 stops19h 02m

$324

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 1/8

3:17 pm-6:18 pm

1 stop27h 01m

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-8:55 pm

1 stop25h 57m

$342

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 1/6

8:36 pm-10:59 pm

2 stops26h 23m

Idaho Falls Fanning Field

Tue 1/13

9:00 am-4:12 pm

1 stop7h 12m

$347

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 1/10

8:28 pm-10:36 pm

Nonstop2h 08m

Idaho Falls Fanning Field

Mon 1/12

7:20 am-9:46 am

Nonstop2h 26m

$351

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 2/5

8:00 am-6:18 pm

1 stop10h 18m

Idaho Falls Fanning Field

Sun 2/8

6:58 pm-8:55 pm

1 stop25h 57m

$362

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Mon 12/29

2:33 pm-6:17 pm

1 stop3h 44m

Idaho Falls Fanning Field

Sat 1/3

5:55 am-10:02 am

1 stop4h 07m

$371

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 12/23

8:07 pm-10:21 pm

Nonstop2h 14m

Idaho Falls Fanning Field

Mon 12/29

7:00 am-9:21 am

Nonstop2h 21m

$376

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Mon 2/2

9:30 am-2:19 pm

1 stop4h 49m

$99

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 2/5

4:52 pm-2:19 pm

1 stop21h 27m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 14 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Idaho Falls flight deals on Cheapflights vs. eDreams >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 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 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 $155). Flying from Phoenix Sky Harbor Intl Airport to Idaho Falls in June is currently the most expensive (average of $312). 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 December 9, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from Phoenix Sky Harbor Intl Airport to Idaho Falls by exploring options for tickets in the afternoon.

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 December 9, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Idaho Falls, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
9,089 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
11,045 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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 fly from Phoenix Sky Harbor Intl Airport to Idaho Falls in about 11h 18m. The time it takes to get you to your destination can typically vary by up to . The distance between Phoenix Sky Harbor Intl Airport and Idaho Falls is about 696 mi.

  • 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 United Airlines and American Airlines. Delta is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Idaho Falls are American Airlines ($140), Delta ($145), and United Airlines ($180).

  • 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 $155). Flying from Phoenix Sky Harbor Intl Airport to Idaho Falls in June is currently the most expensive (average of $312). 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?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$379FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$413FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights