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Idaho Falls

$107+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$282
(Kiwi.com)

One-way from

$107
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$436
From Phoenix to Idaho Falls Fanning Field
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One-way flight from Phoenix to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
vie. 10/36:00 amPHX - IDA
1 stop9h 14mMultiple Airlines
lun. 10/67:40 pmIDA - PHX
1 stop17h 26mMultiple Airlines
Deal found 9/14$282
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 10/28:40 pmPHX - IDA
1 stop18h 34mMultiple Airlines
lun. 10/67:40 pmIDA - PHX
1 stop17h 26mMultiple Airlines
Deal found 9/15$288
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 9/3011:42 amPHX - IDA
1 stop4h 36mUnited Airlines
sáb. 10/410:50 amIDA - PHX
1 stop7h 12mUnited Airlines
Deal found 9/15$341
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 10/710:05 amPHX - IDA
2 stops11h 10mDelta
sáb. 10/116:53 pmIDA - PHX
1 stop3h 42mDelta
Deal found 9/15$358
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
lun. 9/228:30 amPHX - IDA
1 stop11h 19mMultiple Airlines
lun. 9/299:39 pmIDA - PHX
1 stop25h 42mMultiple Airlines
Deal found 9/16$359
This Delta deal was found by Cheapflights users on 9/15. 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.
jue. 12/186:25 pmPHX - IDA
1 stop3h 59mDelta
mar. 12/236:57 pmIDA - PHX
1 stop5h 43mDelta
Deal found 9/15$371
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 12/1910:37 pmPHX - IDA
1 stop25h 30mAlaska Airlines
mié. 12/243:09 pmIDA - PHX
1 stop7h 09mAlaska Airlines
Deal found 9/15$376
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 12/187:00 amPHX - IDA
1 stop7h 06mAlaska Airlines
mié. 12/243:09 pmIDA - PHX
1 stop7h 09mAlaska Airlines
Deal found 9/15$385
This United Airlines deal was found by Cheapflights users on 9/17. 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.
mié. 10/84:35 pmPHX - IDA
1 stop5h 14mUnited Airlines
dom. 10/125:00 amIDA - PHX
1 stop4h 43mUnited Airlines
Deal found 9/17$389

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 septiembre 17, 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

mar. 10/7

10:05 am-10:15 pm

2 stops11h 10m

Idaho Falls Fanning Field

sáb. 10/11

6:53 pm-9:35 pm

1 stop3h 42m

$358

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

vie. 12/19

10:37 pm-12:07 am

1 stop25h 30m

Idaho Falls Fanning Field

mié. 12/24

3:09 pm-10:18 pm

1 stop7h 09m

$376

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

jue. 12/18

7:00 am-2:06 pm

1 stop7h 06m

Idaho Falls Fanning Field

mié. 12/24

3:09 pm-10:18 pm

1 stop7h 09m

$385

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

sáb. 10/18

8:00 am-3:38 pm

1 stop6h 38m

Idaho Falls Fanning Field

mar. 10/21

4:15 pm-11:40 pm

1 stop8h 25m

$389

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

mié. 10/8

4:35 pm-10:49 pm

1 stop5h 14m

Idaho Falls Fanning Field

jue. 10/9

7:00 am-10:33 am

1 stop4h 33m

$389

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

mié. 10/8

4:35 pm-10:49 pm

1 stop5h 14m

Idaho Falls Fanning Field

dom. 10/12

5:00 am-8:43 am

1 stop4h 43m

$389

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

sáb. 12/20

6:45 am-1:30 pm

1 stop6h 45m

Idaho Falls Fanning Field

jue. 12/25

5:00 am-11:47 am

1 stop6h 47m

$398

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

sáb. 9/27

5:20 pm-10:25 pm

1 stop4h 05m

Idaho Falls Fanning Field

mar. 9/30

6:51 pm-11:36 pm

1 stop5h 45m

$415

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

sáb. 12/20

6:45 am-1:30 pm

1 stop6h 45m

Idaho Falls Fanning Field

mié. 12/24

5:00 am-9:54 am

1 stop4h 54m

$420

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

lun. 10/13

4:17 pm-3:38 pm

2 stops22h 21m

Idaho Falls Fanning Field

lun. 10/20

4:15 pm-3:17 pm

2 stops24h 02m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
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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, October is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $380). Flying from Phoenix to Idaho Falls in December is currently the most expensive (average of $578). 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 septiembre 17, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Phoenix to Idaho Falls by exploring options for tickets in the morning.

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 septiembre 17, 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
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
699 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 14m. Airlines will cover a distance of 696 mi. This flight may include one or multiple stops.

  • 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 $100. Other airlines that can offer you cheap pricing are United Airlines, from $247, and American Airlines, from $271. Allegiant Air is priced at 78% lower than the current average price of a flight leaving 3 months from now.

  • 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, October is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $380). Flying from Phoenix to Idaho Falls in December is currently the most expensive (average of $578). 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

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$204FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$247Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$271Average$586FlexibilityNo cancel feeOn-time71%
DeltaCheapest$285Average$403FlexibilityNo cancel feeOn-timeN/A

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