HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$96+ Cheap flights from Phoenix 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix 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.

Find flight deals from Phoenix to Idaho Falls

Cheapest flights from Phoenix to Idaho Falls
Explore the most affordable flight options available from Phoenix to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:23 amPHX - IDA
1 stop5h 32mMultiple Airlines
Mon 12/17:58 pmIDA - PHX
1 stop22h 33mMultiple Airlines
Deal found 10/27$193
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:01 amPHX - IDA
1 stop7h 00mMultiple Airlines
Mon 11/107:56 pmIDA - PHX
1 stop22h 54mMultiple Airlines
Deal found 10/27$271
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:01 amPHX - IDA
1 stop7h 00mMultiple Airlines
Fri 11/710:56 pmIDA - PHX
1 stop19h 54mMultiple Airlines
Deal found 10/27$298
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.
Fri 12/126:00 amPHX - IDA
1 stop10h 27mAlaska Airlines
Mon 12/155:07 pmIDA - PHX
1 stop18h 01mAlaska Airlines
Deal found 10/27$302
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:20 amPHX - IDA
1 stop17h 39mAlaska Airlines
Sat 11/223:14 pmIDA - PHX
1 stop8h 45mAlaska Airlines
Deal found 10/28$373
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:28 pmPHX - IDA
Nonstop2h 06mAmerican Airlines
Wed 11/197:10 amIDA - PHX
Nonstop2h 20mAmerican Airlines
Deal found 10/27$376
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.
Thu 11/133:04 pmPHX - IDA
1 stop8h 55mAlaska Airlines
Mon 11/173:50 pmIDA - PHX
1 stop22h 14mAlaska Airlines
Deal found 10/26$381
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:20 amPHX - IDA
1 stop17h 39mAlaska Airlines
Sun 11/236:00 amIDA - PHX
1 stop17h 59mAlaska Airlines
Deal found 10/28$383

Cheap flight deals from Phoenix to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 October 29, 2025.

Round-trip from

$193
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$306
From Phoenix to Idaho Falls Fanning Field
Search Deals
One-way flight from Phoenix to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 October 29, 2025.
Use the filters below to find and compare flights from Phoenix to Idaho Falls that are best for you.

Fly from

Phoenix

Fly to

Idaho Falls

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 1/15

5:12 pm-10:59 pm

1 stop5h 47m

Idaho Falls Fanning Field

Sun 1/18

9:00 am-10:46 pm

1 stop13h 46m

$302

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 12/12

3:23 pm-11:59 pm

2 stops8h 36m

Idaho Falls Fanning Field

Mon 12/15

5:07 pm-3:30 pm

1 stop22h 23m

$347

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 11/14

5:03 pm-11:59 pm

1 stop6h 56m

Idaho Falls Fanning Field

Mon 11/17

6:05 am-2:04 pm

1 stop7h 59m

$381

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 11/13

5:03 pm-11:59 pm

1 stop6h 56m

Idaho Falls Fanning Field

Mon 11/17

3:50 pm-9:21 am

2 stops17h 31m

$399

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 11/20

8:28 pm-10:34 pm

Nonstop2h 06m

Idaho Falls Fanning Field

Sat 11/22

7:10 am-9:30 am

Nonstop2h 20m

$406

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 11/12

8:28 pm-10:34 pm

Nonstop2h 06m

Idaho Falls Fanning Field

Sun 11/16

7:10 am-9:30 am

Nonstop2h 20m

$421

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 11/12

9:06 am-3:13 pm

1 stop6h 07m

Idaho Falls Fanning Field

Sun 11/16

6:05 am-10:55 am

1 stop28h 50m

$422

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 11/16

6:20 am-11:59 pm

1 stop17h 39m

Idaho Falls Fanning Field

Tue 11/18

3:50 pm-9:21 am

2 stops17h 31m

$424

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 11/20

2:20 pm-11:59 pm

2 stops9h 39m

Idaho Falls Fanning Field

Sat 11/22

3:14 pm-11:59 pm

1 stop8h 45m

$425

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 1/29

6:54 pm-2:19 pm

1 stop19h 25m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 20 results
1
2

Best time to book a flight from Phoenix to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Phoenix 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 to Idaho Falls

What is the cheapest month to book a flight from Phoenix to Idaho Falls?

Currently, May is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $93). Flying from Phoenix to Idaho Falls in March is currently the most expensive (average of $267). 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 Phoenix 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 October 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 58% on flights from Phoenix 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 October 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Phoenix to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
695 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Phoenix. On average, Fanning Field has 0 inbound flights from Phoenix per day from 4 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • How long is the flight from Phoenix to Idaho Falls?

    Departing from Phoenix to Idaho Falls will take you 5h 47m. Airlines will cover a distance of 696 mi.

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

    Cheapflights users have booked flights from Phoenix to Idaho Falls round-trip from $107. Other airlines that can offer you cheap pricing are United Airlines, from $247, and American Airlines, from $248. Allegiant Air is priced at 74% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Phoenix to Idaho Falls?

    On average you can expect to pay $291 for a flight from Phoenix to Idaho Falls. The cheapest flight overall is $248 while the most popular route, (Phoenix Sky Harbor Intl - Idaho Falls Fanning Field) is currently priced at $379.

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

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

  • How can I find direct flights from Phoenix to Idaho Falls?

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

  • Can I find deals for business class flights from Phoenix to Idaho Falls?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Idaho Falls?

    Currently, May is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $93). Flying from Phoenix to Idaho Falls in March is currently the most expensive (average of $267). 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.

Alternative routes for Phoenix to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Spokane flights
Sky Harbor Intl to Boise flights
Phoenix-Mesa Gateway to Boise flights
Sky Harbor Intl to Jackson flights
Las Vegas to Boise flights
Tucson to Spokane flights
Las Vegas to Spokane flights
Tucson to Boise flights
Sky Harbor Intl to Idaho Falls flights
Sky Harbor Intl to Hailey flights
Las Vegas to Idaho Falls flights
Tucson to Idaho Falls flights
Las Vegas to Pocatello flights
Las Vegas to Jackson flights
Tucson to Jackson flights
Las Vegas to Lewiston flights
Las Vegas to Hailey flights
Las Vegas to West Yellowstone flights
Sky Harbor Intl to Lewiston flights
Sky Harbor Intl to Pocatello flights
Sky Harbor Intl to West Yellowstone flights
Sky Harbor Intl to Twin Falls flights

Top 4 airlines flying from Phoenix to Idaho Falls

Discover the top 4 airlines that operate flights from Phoenix 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$212FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$386FlexibilityNo 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.