$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
1 adult, Economy
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Find cheap flights from Idaho Falls to Phoenix 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.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
Best
Last-minute
One-way
Cheapest flights from Idaho Falls to PhoenixExplore 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.
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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![American Airlines logo]()
$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![Alaska Airlines logo]()
$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![Multiple Airlines logo]()
$310
Best flights from Idaho Falls to PhoenixDiscover carefully curated flight deals from Idaho Falls to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Idaho Falls to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
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![Multiple Airlines logo]()
$241
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![Alaska Airlines logo]()
$305
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:45 am
IDA
- PHX
1 stop7h 29m
United Airlines
Tue 3/106:00 am
PHX
- IDA
1 stop6h 30m
United Airlines
Deal found 2/1![United Airlines logo]()
$311
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:58 pm
IDA
- PHX
1 stop5h 40m
Delta
Sat 5/96:00 am
PHX
- IDA
1 stop3h 47m
Delta
Deal found 2/1![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/117:48 am
IDA
- PHX
Nonstop2h 17m
American Airlines
Sat 4/188:32 pm
PHX
- IDA
Nonstop2h 07m
American Airlines
Deal found 2/3![American Airlines logo]()
$341
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
Wed 3/1111:22 am
PHX
- IDA
2 stops11h 14m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$305
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:45 am
IDA
- PHX
1 stop7h 29m
United Airlines
Wed 3/116:00 am
PHX
- IDA
1 stop6h 30m
United Airlines
Deal found 2/1![United Airlines logo]()
$311
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:50 am
IDA
- PHX
1 stop7h 29m
United Airlines
Tue 3/107:23 am
PHX
- IDA
1 stop5h 07m
United Airlines
Deal found 2/1![United Airlines logo]()
$311
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.
Tue 3/35:20 pm
IDA
- PHX
1 stop5h 35m
Alaska Airlines
Tue 3/1011:22 am
PHX
- IDA
2 stops11h 14m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$327
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.
Wed 3/48:00 am
IDA
- PHX
2 stops11h 32m
Alaska Airlines
Tue 3/1011:22 am
PHX
- IDA
2 stops11h 14m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$335
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.
Mon 3/25:20 pm
IDA
- PHX
1 stop5h 35m
Alaska Airlines
Wed 3/117:20 am
PHX
- IDA
1 stop8h 23m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$341
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.
Fri 3/65:20 pm
IDA
- PHX
1 stop6h 39m
Alaska Airlines
Wed 3/117:20 am
PHX
- IDA
1 stop8h 23m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$341
Last-minute flights from Idaho Falls to PhoenixDiscover last-minute flight deals from Idaho Falls to Phoenix. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Phoenix. Data last updated February 3, 2026 and is based on user searches.
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![Multiple Airlines logo]()
$208
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![Multiple Airlines logo]()
$234
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![Multiple Airlines logo]()
$265
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![Multiple Airlines logo]()
$310
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![Multiple Airlines logo]()
$264
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![Multiple Airlines logo]()
$216
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![Multiple Airlines logo]()
$241
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![Multiple Airlines logo]()
$281
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:45 am
IDA
- PHX
1 stop7h 29m
United Airlines
Wed 3/116:00 am
PHX
- IDA
1 stop6h 30m
United Airlines
Deal found 2/1![United Airlines logo]()
$311
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![Alaska Airlines logo]()
$305
One-way flights from Idaho Falls to PhoenixSearch for one-way flight options from Idaho Falls to Phoenix. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Idaho Falls to Phoenix. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
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 4/2710:21 pm
IDA
- PHX
1 stop15h 34m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 5/410:21 pm
IDA
- PHX
1 stop20h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/3010:13 pm
IDA
- PHX
1 stop23h 05m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 2/3. 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
Deal found 2/3![Multiple Airlines logo]()
$101
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 2/99:20 pm
IDA
- PHX
1 stop16h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$106
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/315:59 pm
IDA
- PHX
1 stop5h 52m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/2710:29 pm
IDA
- PHX
1 stop15h 26m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$111
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.
Fri 4/310:06 pm
IDA
- PHX
1 stop23h 41m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$115
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 |
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
Showing 1-10 of 20 results
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.
IDA-PH1
IDA-PHX
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
IDA-PH1
IDA-PHX
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
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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Alternative routes for Idaho Falls to Phoenix
See prices for flight routes from nearby airports that may be better suited for you.
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$178 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$280 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$398 | FlexibilityNo cancel fee | On-timeN/A |