Phoenix

$93+ Cheap flights from Idaho Falls (IDA) to Phoenix

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Mar 5 — Mar 121
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Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Phoenix are usually found in September or August, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Idaho Falls to Phoenix

Cheapest flights from Idaho Falls to Phoenix
Explore the most affordable flight options available from Idaho Falls to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/99:20 pm
IDA
-
PHX
1 stop16h 35m
Multiple Airlines
Thu 2/196:13 pm
PHX
-
IDA
1 stop27h 28m
Multiple Airlines
Deal found 1/31$208
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
Fri 3/67:25 am
PHX
-
IDA
1 stop14h 15m
Multiple Airlines
Deal found 2/1$216
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/99:20 pm
IDA
-
PHX
1 stop16h 35m
Multiple Airlines
Fri 2/203:58 pm
PHX
-
IDA
1 stop5h 43m
Multiple Airlines
Deal found 1/31$234
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
Thu 3/127:05 pm
PHX
-
IDA
2 stops25h 18m
Multiple Airlines
Deal found 2/1$241
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/1610:31 pm
IDA
-
PHX
1 stop15h 24m
Multiple Airlines
Thu 2/196:13 pm
PHX
-
IDA
1 stop27h 28m
Multiple Airlines
Deal found 2/2$264
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/99:20 pm
IDA
-
PHX
1 stop16h 35m
Multiple Airlines
Sun 2/2210:32 pm
PHX
-
IDA
1 stop16h 59m
Multiple Airlines
Deal found 1/31$265
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/24:20 pm
IDA
-
PHX
1 stop5h 13m
Multiple Airlines
Mon 3/97:45 am
PHX
-
IDA
1 stop6h 46m
Multiple Airlines
Deal found 2/1$281
This American Airlines deal was found by Cheapflights users on 2/1. 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 5/67:48 am
IDA
-
PHX
Nonstop2h 17m
American Airlines
Sat 5/98:32 pm
PHX
-
IDA
Nonstop2h 07m
American Airlines
Deal found 2/1$291
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 3/75:20 pm
IDA
-
PHX
1 stop5h 35m
Alaska Airlines
Tue 3/1011:22 am
PHX
-
IDA
2 stops11h 14m
Alaska Airlines
Deal found 2/1$305
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/99:20 pm
IDA
-
PHX
1 stop16h 35m
Multiple Airlines
Fri 2/1310:00 am
PHX
-
IDA
1 stop5h 31m
Multiple Airlines
Deal found 2/2$310

Find flight deals from Idaho Falls to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Phoenix (PH1). 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 February 3, 2026.

Round-trip from

$216
(Kiwi.com)

One-way from

$93
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$514
From Idaho Falls Fanning Field to Phoenix
One-way flight from Idaho Falls Fanning Field to Phoenix
Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Phoenix 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 February 3, 2026.
Use the filters below to find and compare flights from Idaho Falls to Phoenix that are best for you.

Fly from

Idaho Falls

Fly to

Phoenix

Route

Depart

Return

Price

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 3/2

4:20 pm-9:33 pm

1 stop5h 13m

Phoenix Sky Harbor Intl

Thu 3/12

7:05 pm-9:23 pm

2 stops25h 18m

$241

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-10:55 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

Tue 3/10

11:22 am-11:36 pm

2 stops11h 14m

$305

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-10:55 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

Wed 3/11

11:22 am-11:36 pm

2 stops11h 14m

$305

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 3/3

10:45 am-6:14 pm

1 stop7h 29m

Phoenix Sky Harbor Intl

Tue 3/10

6:00 am-1:30 pm

1 stop6h 30m

$311

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 5/6

6:58 pm-11:38 pm

1 stop5h 40m

Phoenix Sky Harbor Intl

Sat 5/9

6:00 am-10:47 am

1 stop3h 47m

$311

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 3/3

10:45 am-6:14 pm

1 stop7h 29m

Phoenix Sky Harbor Intl

Wed 3/11

6:00 am-1:30 pm

1 stop6h 30m

$311

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 3/7

10:50 am-6:19 pm

1 stop7h 29m

Phoenix Sky Harbor Intl

Tue 3/10

7:23 am-1:30 pm

1 stop5h 07m

$311

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-10:55 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

Tue 3/10

11:22 am-11:36 pm

2 stops11h 14m

$327

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 3/4

8:00 am-7:32 pm

2 stops11h 32m

Phoenix Sky Harbor Intl

Tue 3/10

11:22 am-11:36 pm

2 stops11h 14m

$335

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 4/11

7:48 am-9:05 am

Nonstop2h 17m

Phoenix Sky Harbor Intl

Sat 4/18

8:32 pm-11:39 pm

Nonstop2h 07m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 20 results
1
2

Best time to book a flight from Idaho Falls to Phoenix

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

How far ahead should I book a flight from Idaho Falls to Phoenix?

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Phoenix. Price data was last updated on January 30, 2026.

The price you pay for your flight from Idaho Falls to Phoenix may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Phoenix (average of $98). Flying from Idaho Falls to Phoenix in March is currently the most expensive (average of $178). 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Phoenix in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the morning.

Weekly flight availability from Idaho Falls to Phoenix

Explore weekly flight availability from Idaho Falls to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from IDA to PH1 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated February 3, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Idaho Falls to Phoenix to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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.

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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.

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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.

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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.

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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 Idaho Falls to Phoenix. 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?

    For a flight from Idaho Falls to Phoenix, you will be flying from 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 2 outbound flights to Phoenix per day. 4 airlines have flights to Phoenix from Idaho Falls Fanning Field on a regular basis.

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

    For as low as $305, Alaska Airlines can have you in Phoenix from Idaho Falls in 5h 35m. Airlines will cover a distance of 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 Idaho Falls to Phoenix round-trip?

    Cheapflights users have booked flights from Idaho Falls to Phoenix round-trip from $110. Other airlines that can offer you cheap pricing are United Airlines, from $280, and American Airlines, from $289. Allegiant Air is priced at 72% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Idaho Falls to Phoenix are Allegiant Air ($62), Delta ($145), and Alaska Airlines ($146).

  • What are the most reliable airlines from Idaho Falls to Phoenix?

    The top 3 most reliable airlines when flying from Idaho Falls to Phoenix are SkyWest Airlines (88%), American Airlines (88%) and Porter Airlines (88%).

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

    On average you can expect to pay $453 for a flight from Idaho Falls to Phoenix. The cheapest flight overall is $210 while the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) is currently priced at $264.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Phoenix (average of $98). Flying from Idaho Falls to Phoenix in March is currently the most expensive (average of $178). 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

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Top 4 airlines flying from Idaho Falls to Phoenix

Discover the top 4 airlines that operate flights from Idaho Falls to Phoenix. 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$178FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$280Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$289Average$411FlexibilityNo cancel feeOn-time71%
DeltaCheapest$300Average$398FlexibilityNo cancel feeOn-timeN/A

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