$78+ 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
May 1 — May 81
Round-trip
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
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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 Idaho Falls to Phoenix
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Best
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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 April 1, 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 April 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Fri 5/14:17 pm
IDA
- PHX
1 stop24h 49m
Multiple Airlines
Mon 5/412:15 pm
PHX
- IDA
1 stop8h 16m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:21 pm
IDA
- PHX
1 stop26h 03m
Multiple Airlines
Mon 5/112:15 pm
PHX
- IDA
1 stop6h 16m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/1110:21 pm
IDA
- PHX
1 stop26h 03m
Multiple Airlines
Mon 5/187:40 am
PHX
- IDA
1 stop6h 47m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Fri 4/1710:21 pm
IDA
- PHX
1 stop19h 31m
Multiple Airlines
Fri 5/17:25 am
PHX
- IDA
1 stop13h 06m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 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 stop14h 02m
Multiple Airlines
Mon 5/182:15 pm
PHX
- IDA
1 stop6h 16m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/1310:21 pm
IDA
- PHX
1 stop15h 34m
Multiple Airlines
Thu 4/1612:13 pm
PHX
- IDA
1 stop26h 14m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$256
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 April 1, 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 April 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 5/64:06 pm
IDA
- PHX
1 stop8h 53m
Alaska Airlines
Wed 5/137:56 pm
PHX
- IDA
1 stop18h 30m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/252:30 pm
IDA
- PHX
1 stop6h 49m
United Airlines
Sat 5/26:00 am
PHX
- IDA
1 stop6h 25m
United Airlines
Deal found 3/29![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 3/30. 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 5/203:16 pm
IDA
- PHX
1 stop3h 49m
Delta
Sun 5/245:16 pm
PHX
- IDA
1 stop4h 26m
Delta
Deal found 3/30![Delta logo]()
$433
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 4/177:48 am
IDA
- PHX
Nonstop2h 17m
American Airlines
Fri 5/18:32 pm
PHX
- IDA
Nonstop2h 07m
American Airlines
Deal found 4/1![American Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 5/114:06 pm
IDA
- PHX
1 stop8h 53m
Alaska Airlines
Wed 5/137:56 pm
PHX
- IDA
1 stop18h 30m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 5/154:03 pm
IDA
- PHX
2 stops8h 56m
Alaska Airlines
Mon 5/187:53 pm
PHX
- IDA
2 stops18h 33m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:30 pm
IDA
- PHX
1 stop6h 49m
United Airlines
Thu 4/306:00 am
PHX
- IDA
1 stop6h 25m
United Airlines
Deal found 3/27![United Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Sun 5/104:06 pm
IDA
- PHX
1 stop8h 53m
Alaska Airlines
Wed 5/137:56 pm
PHX
- IDA
1 stop18h 30m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
IDA
- PHX
1 stop5h 46m
Alaska Airlines
Wed 5/2012:04 pm
PHX
- IDA
2 stops9h 49m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 5/126:00 am
IDA
- PHX
1 stop7h 58m
Alaska Airlines
Sat 5/169:00 am
PHX
- IDA
1 stop27h 17m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$469
Last-minute flights from Idaho Falls to PhoenixDiscover last-minute flight deals from Idaho Falls to Phoenix. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Phoenix. Data last updated April 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Fri 4/1010:21 pm
IDA
- PHX
1 stop23h 26m
Multiple Airlines
Mon 4/136:45 am
PHX
- IDA
1 stop7h 42m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/1010:21 pm
IDA
- PHX
2 stops14h 02m
Multiple Airlines
Fri 4/176:25 am
PHX
- IDA
1 stop8h 02m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/1310:21 pm
IDA
- PHX
1 stop15h 34m
Multiple Airlines
Thu 4/1612:13 pm
PHX
- IDA
1 stop26h 14m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/1310:21 pm
IDA
- PHX
1 stop15h 34m
Multiple Airlines
Fri 4/176:25 am
PHX
- IDA
1 stop8h 02m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Fri 4/1710:21 pm
IDA
- PHX
1 stop19h 31m
Multiple Airlines
Fri 5/17:25 am
PHX
- IDA
1 stop13h 06m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/1710:21 pm
IDA
- PHX
1 stop14h 29m
Multiple Airlines
Mon 4/206:25 am
PHX
- IDA
1 stop8h 02m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/224:06 pm
IDA
- PHX
1 stop8h 53m
Alaska Airlines
Sat 4/256:00 am
PHX
- IDA
1 stop8h 29m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$387
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 April 1, 2026.
Search for one-way flight options from Idaho Falls to Phoenix. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/2710:21 pm
IDA
- PHX
1 stop26h 28m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:17 pm
IDA
- PHX
1 stop24h 49m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Fri 5/14:17 pm
IDA
- PHX
1 stop24h 49m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$97
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.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 stop14h 02m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 6/14:43 pm
IDA
- PHX
1 stop7h 41m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/257:48 pm
IDA
- PHX
1 stop16h 35m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$130
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 April 1, 2026.
Round-trip from | $206 (Kiwi.com) |
|---|---|
One-way from | $78 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $364 |
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 April 1, 2026.
Use the filters below to find and compare flights from Idaho Falls to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Wed 5/6
4:06 pm-11:59 pm
1 stop8h 53m
Phoenix Sky Harbor Intl
Wed 5/13
7:56 pm-3:26 pm
1 stop18h 30m
$387
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Mon 5/11
4:06 pm-11:59 pm
1 stop8h 53m
Phoenix Sky Harbor Intl
Wed 5/13
7:56 pm-3:26 pm
1 stop18h 30m
$390
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Fri 5/15
4:03 pm-11:59 pm
2 stops8h 56m
Phoenix Sky Harbor Intl
Mon 5/18
7:53 pm-3:26 pm
2 stops18h 33m
$424
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Sun 5/10
4:06 pm-11:59 pm
1 stop8h 53m
Phoenix Sky Harbor Intl
Wed 5/13
7:56 pm-3:26 pm
1 stop18h 30m
$428
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Sat 4/25
2:30 pm-8:19 pm
1 stop6h 49m
Phoenix Sky Harbor Intl
Sat 5/2
6:00 am-1:25 pm
1 stop6h 25m
$429
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Sun 5/17
6:00 am-10:46 am
1 stop5h 46m
Phoenix Sky Harbor Intl
Wed 5/20
12:04 pm-10:53 pm
2 stops9h 49m
$429
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Wed 5/20
3:16 pm-6:05 pm
1 stop3h 49m
Phoenix Sky Harbor Intl
Sun 5/24
5:16 pm-10:42 pm
1 stop4h 26m
$433
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Sat 4/25
2:30 pm-8:19 pm
1 stop6h 49m
Phoenix Sky Harbor Intl
Thu 4/30
6:00 am-1:25 pm
1 stop6h 25m
$467
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Tue 5/12
6:00 am-12:58 pm
1 stop7h 58m
Phoenix Sky Harbor Intl
Sat 5/16
9:00 am-1:17 pm
1 stop27h 17m
$469
Quickest round-trip
Idaho FallsPhoenix
IDA - PHX
IDAPHX
Idaho Falls Fanning Field
Fri 4/17
7:48 am-9:05 am
Nonstop2h 17m
Phoenix Sky Harbor Intl
Fri 5/1
8:32 pm-11:39 pm
Nonstop2h 07m
$484
Showing 1-10 of 17 resultsSorted by cheapest first
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
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 April 1, 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 52% 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 April 1, 2026.
The most flights from IDA to PH1 are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Idaho Falls to Phoenix?
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 April 1, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAllegiant Air 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.
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
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.
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.
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Alternative routes for Idaho Falls to Phoenix
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Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho Falls to Phoenix by cabin class
Find flights from Idaho Falls to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and Phoenix flights
Browse other Idaho Falls and Phoenix flight options. Last updated on April 1, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on April 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$175 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$280 | Average$381 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$291 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$429 | FlexibilityNo cancel fee | On-timeN/A |