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$150+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
mars 19 — mars 261
mer. 3/19
mer. 3/26
1 adult, Economy
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The best prices from Idaho Falls Fanning Field to Phoenix are usually found in September or August, booked 87 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap 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 mars 14, 2025.

Round-trip from

$301
(American Airlines)

One-way from

$150
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$541
From Idaho Falls Fanning Field to Phoenix
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One-way flight from Idaho Falls Fanning Field to Phoenix
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Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 mars 14, 2025.

This American Airlines deal was found by Cheapflights users on 3/12. 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.
jeu. 4/37:47 amIDA - PHX
Nonstop2h 16mAmerican Airlines
mar. 4/87:05 pmPHX - IDA
Nonstop2h 05mAmerican Airlines
Deal found 3/12$301
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
lun. 10/278:00 amIDA - PHX
1 stop7h 21mAlaska Airlines
mer. 11/512:40 pmPHX - IDA
1 stop9h 58mAlaska Airlines
Deal found 3/12$320
This United Airlines deal was found by Cheapflights users on 3/12. 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.
jeu. 4/244:15 pmIDA - PHX
1 stop5h 15mUnited Airlines
ven. 4/257:38 amPHX - IDA
1 stop6h 43mUnited Airlines
Deal found 3/12$361
This Delta deal was found by Cheapflights users on 3/12. 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. 5/2012:30 pmIDA - PHX
1 stop6h 32mDelta
sam. 5/245:20 pmPHX - IDA
1 stop4h 35mDelta
Deal found 3/12$370
This United deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/232:35 pmIDA - PHX
1 stop7h 18mMultiple Airlines
mer. 3/267:00 amPHX - IDA
1 stop7h 34mMultiple Airlines
Deal found 3/13$735

Find flights from Idaho Falls to Phoenix within your budget

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 mars 14, 2025.

Fly from

Idaho Falls

Fly to

Phoenix

Route

Depart

Return

Price

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

jeu. 4/3

7:47 am-9:03 am

Nonstop2h 16m

Phoenix Sky Harbor Intl

mar. 4/8

7:05 pm-10:10 pm

Nonstop2h 05m

$301

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 4/7

4:11 pm-9:00 pm

1 stop5h 49m

Phoenix Sky Harbor Intl

mer. 4/9

7:00 am-3:34 pm

1 stop7h 34m

$330

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

jeu. 4/24

4:15 pm-8:30 pm

1 stop5h 15m

Phoenix Sky Harbor Intl

ven. 4/25

7:38 am-3:21 pm

1 stop6h 43m

$361

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mar. 5/20

12:30 pm-6:02 pm

1 stop6h 32m

Phoenix Sky Harbor Intl

sam. 5/24

5:20 pm-10:55 pm

1 stop4h 35m

$370

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

dim. 3/23

2:35 pm-8:53 pm

1 stop7h 18m

Phoenix Sky Harbor Intl

mer. 3/26

7:00 am-3:34 pm

1 stop7h 34m

$735

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

mar. 4/15

8:00 am-1:03 pm

1 stop6h 03m

$150

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 4/7

4:11 pm-9:00 pm

1 stop5h 49m

$205

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

dim. 4/13

4:15 pm-9:54 am

2 stops18h 39m

$279

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

lun. 4/7

7:43 am-8:58 am

Nonstop2h 15m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

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.

Travel insights for flights from Idaho Falls to Phoenix

Get recent, data-driven insights about flights from Idaho Falls to Phoenix including ideal travel times, pricing trends, and more.

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 March 7, 2025.

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 83 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, January is the cheapest month in which you can book a flight from Idaho Falls to Phoenix (average of $258). Flying from Idaho Falls to Phoenix in March is currently the most expensive (average of $337). 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 mars 14, 2025.

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 56% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Idaho Falls to Phoenix?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Phoenix. Price data was last updated on March 9, 2025.

Travelers seeking maximum savings on their Idaho Falls to Phoenix flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 mars 14, 2025.

The most flights from IDA to PH1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Phoenix by month

Plan your trip to Phoenix by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

Plan your trip to Phoenix by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 mars 14, 2025.
Read through reviews of airlines operating flights from Idaho Falls to Phoenix, such as Alaska Airlines, Delta and Hawaiian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,734 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
7,944 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,318 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,623 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 1 outbound flight to Phoenix per day. 5 airlines have flights to Phoenix from Idaho Falls Fanning Field on a regular basis.

  • 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 $301. Other airlines that can offer you cheap pricing are Alaska Airlines, from $330, and United Airlines, from $361. American Airlines is priced at 26% 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 Alaska Airlines ($150), Hawaiian Airlines ($205), and United Airlines ($279).

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

    On average you can expect to pay $504 for a flight from Idaho Falls to Phoenix. The cheapest flight overall is $199 while the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) is currently priced at $301.

  • 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, January is the cheapest month in which you can book a flight from Idaho Falls to Phoenix (average of $258). Flying from Idaho Falls to Phoenix in March is currently the most expensive (average of $337). 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 5 airlines flying from Idaho Falls to Phoenix

Discover the top 5 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 mars 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$102Average$255FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$193Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$233Average$481FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$414FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$396Average$539FlexibilityNo cancel feeOn-time69%
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