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$100+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Thu 12/44:39 pmIDA - PHX
1 stop25h 52mMultiple Airlines
Mon 12/87:00 amPHX - IDA
2 stops12h 26mMultiple Airlines
Deal found 11/8$265
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/17:58 pmIDA - PHX
1 stop22h 33mMultiple Airlines
Fri 12/57:00 amPHX - IDA
2 stops12h 26mMultiple Airlines
Deal found 11/8$272
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/58:16 pmIDA - PHX
2 stops11h 50mMultiple Airlines
Sun 12/74:30 pmPHX - IDA
1 stop22h 06mMultiple Airlines
Deal found 11/7$273
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 12/66:05 amIDA - PHX
1 stop6h 18mAlaska Airlines
Sat 12/136:00 amPHX - IDA
1 stop10h 27mAlaska Airlines
Deal found 11/7$290
This American Airlines deal was found by Cheapflights users on 11/7. 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 12/67:00 amIDA - PHX
Nonstop2h 20mAmerican Airlines
Sat 12/138:28 pmPHX - IDA
Nonstop2h 08mAmerican Airlines
Deal found 11/7$291
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/1410:56 pmIDA - PHX
1 stop19h 54mMultiple Airlines
Mon 11/177:01 amPHX - IDA
1 stop6h 06mMultiple Airlines
Deal found 11/8$303
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 12/55:07 pmIDA - PHX
1 stop19h 16mAlaska Airlines
Sun 12/76:00 amPHX - IDA
1 stop17h 59mAlaska Airlines
Deal found 11/7$322
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/237:00 amIDA - PHX
Nonstop2h 21mAmerican Airlines
Wed 1/78:28 pmPHX - IDA
Nonstop2h 08mAmerican Airlines
Deal found 11/9$328
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/243:45 pmIDA - PHX
1 stop20h 46mMultiple Airlines
Fri 11/289:23 amPHX - IDA
1 stop8h 44mMultiple Airlines
Deal found 11/9$330

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 November 10, 2025.

Round-trip from

$235
(Kiwi.com)

One-way from

$100
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$356
From Idaho Falls Fanning Field to Phoenix
Search Deals
One-way flight from Idaho Falls Fanning Field to Phoenix
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Highest demand for flights based on searches. 16% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 10, 2025.
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

Wed 3/4

5:00 pm-10:55 pm

1 stop5h 55m

Phoenix Sky Harbor Intl

Sat 3/7

6:00 am-11:24 pm

1 stop17h 24m

$306

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 12/23

7:00 am-9:21 am

Nonstop2h 21m

Phoenix Sky Harbor Intl

Wed 1/7

8:28 pm-10:36 pm

Nonstop2h 08m

$328

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Thu 1/29

6:58 pm-7:48 pm

1 stop24h 50m

Phoenix Sky Harbor Intl

Sun 2/1

7:00 am-10:59 pm

1 stop15h 59m

$342

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 1/5

2:43 pm-10:18 pm

1 stop7h 35m

Phoenix Sky Harbor Intl

Sat 1/10

5:12 pm-10:59 pm

1 stop5h 47m

$347

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 3/31

2:35 pm-6:37 pm

1 stop5h 02m

Phoenix Sky Harbor Intl

Sat 4/4

7:00 am-1:24 pm

1 stop5h 24m

$361

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 3/31

2:35 pm-8:19 pm

1 stop6h 44m

Phoenix Sky Harbor Intl

Wed 4/1

7:00 am-1:24 pm

1 stop5h 24m

$361

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 4/1

6:15 am-11:05 am

1 stop5h 50m

Phoenix Sky Harbor Intl

Tue 4/7

7:00 am-3:20 pm

1 stop7h 20m

$361

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 3/2

5:00 pm-11:59 pm

1 stop6h 59m

Phoenix Sky Harbor Intl

Sat 3/7

6:00 am-11:24 pm

1 stop17h 24m

$363

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 12/8

8:16 pm-6:31 pm

1 stop22h 15m

$105

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 2/9

9:20 pm-9:04 am

2 stops11h 44m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 16 results
1
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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

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 $97). Flying from Idaho Falls to Phoenix in March is currently the most expensive (average of $200). 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 November 10, 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 48% 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 November 2, 2025.

Travelers seeking maximum savings on their Idaho Falls to Phoenix flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at noon 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 November 10, 2025.

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 November 10, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
11,259 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,259 reviews
Alaska Airlines
8.0
Very good
11,259 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,003 reviews
Alaska Airlines
8.0
Very good
11,259 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,011 reviews
Alaska Airlines
8.0
Very good
11,259 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,047 reviews
Alaska Airlines
8.0
Very good
11,259 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Allegiant Air
7.2
Good
697 reviews
Alaska Airlines
8.0
Very good
11,259 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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. 5 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 $328, Alaska Airlines can have you in Phoenix from Idaho Falls in 2h 21m. 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 Alaska Airlines, from $256, and American Airlines, from $291. Allegiant Air is priced at 73% lower than the current average price of a flight leaving 3 months from now.

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

    On average you can expect to pay $476 for a flight from Idaho Falls to Phoenix. The cheapest flight overall is $270 while the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) is currently priced at $290.

  • 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 $97). Flying from Idaho Falls to Phoenix in March is currently the most expensive (average of $200). 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.

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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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$193FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$256Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$291Average$544FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$409FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$405Average$604FlexibilityNo cancel feeOn-time69%

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