HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phoenix

$94+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHX
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

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 October 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/58:16 pmIDA - PHX
1 stop17h 31mMultiple Airlines
Wed 12/107:43 pmPHX - IDA
1 stop20h 06mMultiple Airlines
Deal found 10/31$214
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/158:16 pmIDA - PHX
1 stop22h 15mMultiple Airlines
Thu 1/18:26 pmPHX - IDA
1 stop19h 46mMultiple Airlines
Deal found 10/30$241
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/2910:52 pmIDA - PHX
1 stop9h 56mMultiple Airlines
Thu 1/810:11 pmPHX - IDA
1 stop16h 08mMultiple Airlines
Deal found 10/30$242
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/2910:52 pmIDA - PHX
1 stop9h 56mMultiple Airlines
Mon 1/129:23 amPHX - IDA
1 stop4h 56mMultiple Airlines
Deal found 10/30$258
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/158:16 pmIDA - PHX
1 stop22h 15mMultiple Airlines
Fri 1/29:58 amPHX - IDA
1 stop6h 14mMultiple Airlines
Deal found 10/30$270
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/158:16 pmIDA - PHX
1 stop22h 15mMultiple Airlines
Mon 1/59:58 amPHX - IDA
1 stop6h 14mMultiple Airlines
Deal found 10/30$282
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/710:56 pmIDA - PHX
1 stop14h 14mMultiple Airlines
Thu 11/1310:00 pmPHX - IDA
1 stop18h 08mMultiple Airlines
Deal found 10/30$285
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/2910:52 pmIDA - PHX
1 stop9h 56mMultiple Airlines
Sun 1/1110:31 pmPHX - IDA
2 stops15h 48mMultiple Airlines
Deal found 10/30$290
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/2610:52 pmIDA - PHX
1 stop11h 48mMultiple Airlines
Fri 1/99:23 amPHX - IDA
1 stop4h 56mMultiple Airlines
Deal found 10/30$298
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/306:57 pmIDA - PHX
1 stop5h 49mDelta
Tue 1/136:20 pmPHX - IDA
1 stop3h 59mDelta
Deal found 10/30$311

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 October 31, 2025.

Round-trip from

$214
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$358
From Idaho Falls Fanning Field to Phoenix
Search Deals
One-way flight from Idaho Falls Fanning Field to Phoenix
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 31, 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

Sat 3/21

4:19 pm-8:26 pm

1 stop5h 07m

Phoenix Sky Harbor Intl

Wed 3/25

6:00 am-1:34 pm

1 stop6h 34m

$301

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 2/4

6:58 pm-10:46 pm

1 stop27h 48m

Phoenix Sky Harbor Intl

Wed 2/11

3:17 pm-11:58 pm

1 stop8h 41m

$306

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 1/21

9:00 am-5:53 pm

1 stop8h 53m

Phoenix Sky Harbor Intl

Sun 1/25

7:00 am-10:59 pm

1 stop15h 59m

$316

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 1/21

9:00 am-10:59 am

2 stops25h 59m

Phoenix Sky Harbor Intl

Sat 1/24

5:12 pm-10:59 pm

1 stop5h 47m

$324

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sun 1/25

9:00 am-10:46 pm

1 stop13h 46m

Phoenix Sky Harbor Intl

Thu 1/29

11:41 am-10:59 pm

2 stops11h 18m

$340

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 1/23

6:58 pm-2:14 pm

1 stop19h 16m

Phoenix Sky Harbor Intl

Mon 1/26

8:07 pm-6:18 pm

2 stops22h 11m

$340

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 12/30

6:57 pm-12:46 am

1 stop5h 49m

Phoenix Sky Harbor Intl

Thu 1/8

7:15 am-10:19 pm

2 stops15h 04m

$344

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Mon 1/5

2:43 pm-5:51 pm

1 stop27h 08m

Phoenix Sky Harbor Intl

Sat 1/10

5:12 pm-10:59 pm

1 stop5h 47m

$357

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Tue 3/31

1:05 pm-4:02 pm

1 stop3h 57m

Phoenix Sky Harbor Intl

Wed 4/1

6:00 am-12:31 pm

1 stop5h 31m

$365

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sun 11/30

10:53 pm-8:19 am

1 stop9h 26m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 16 results
1
2

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 April is currently the most expensive (average of $180). 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 October 31, 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 45% 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 October 26, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 31, 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
11,227 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

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
11,227 reviews
Alaska Airlines
8.0
Very good
11,227 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

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
7,995 reviews
Alaska Airlines
8.0
Very good
11,227 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

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
8,992 reviews
Alaska Airlines
8.0
Very good
11,227 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

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
11,030 reviews
Alaska Airlines
8.0
Very good
11,227 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

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
694 reviews
Alaska Airlines
8.0
Very good
11,227 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

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 0 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 $301, United Airlines can have you in Phoenix from Idaho Falls in 5h 07m. 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 $276, 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 $210 while the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) is currently priced at $237.

  • 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 April is currently the most expensive (average of $180). 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

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.

Alternative routes for Idaho Falls to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sky Harbor Intl flights
Boise to Las Vegas flights
Spokane to Las Vegas flights
Boise to Sky Harbor Intl flights
Idaho Falls to Las Vegas flights
Spokane to Tucson flights
Jackson to Sky Harbor Intl flights
Idaho Falls to Sky Harbor Intl flights
Lewiston to Yuma flights
Boise to Tucson flights
Jackson to Las Vegas flights
Hailey to Sky Harbor Intl flights
Twin Falls to Las Vegas flights
Lewiston to Las Vegas flights
Hailey to Las Vegas flights
Jackson to Tucson flights
Pocatello to Sky Harbor Intl flights
Idaho Falls to Tucson flights
Spokane to Yuma flights
Spokane to Flagstaff flights
Pocatello to Las Vegas flights
Boise to Flagstaff flights
Twin Falls to Sky Harbor Intl flights
Boise to Yuma flights

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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$224FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$276Average$514FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$291Average$548FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$409FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$405Average$604FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.