Idaho Falls

$93+ Cheap flights from Phoenix to Idaho Falls (IDA)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Jul 10 — Jul 171
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Cheap flight deals from Phoenix to Idaho Falls

Cheapest flights from Phoenix to Idaho Falls
Explore the most affordable flight options available from Phoenix to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/6. 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 8/69:58 pm
PHX
-
IDA
1 stop17h 07m
Multiple Airlines
Mon 8/1010:54 pm
IDA
-
PHX
1 stop15h 05m
Multiple Airlines
Deal found 6/6$200
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/169:58 pm
PHX
-
IDA
1 stop17h 02m
Multiple Airlines
Mon 7/2010:47 pm
IDA
-
PHX
1 stop25h 18m
Multiple Airlines
Deal found 6/5$236
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/2712:20 pm
PHX
-
IDA
1 stop8h 37m
Multiple Airlines
Fri 7/3110:47 pm
IDA
-
PHX
1 stop13h 40m
Multiple Airlines
Deal found 6/5$279
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
PHX
-
IDA
1 stop6h 29m
United Airlines
Tue 8/254:04 pm
IDA
-
PHX
1 stop5h 20m
United Airlines
Deal found 6/9$309
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Mon 7/2012:20 pm
PHX
-
IDA
1 stop8h 37m
Multiple Airlines
Fri 7/2410:47 pm
IDA
-
PHX
1 stop13h 40m
Multiple Airlines
Deal found 6/7$317
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 11/33:31 pm
PHX
-
IDA
1 stop8h 11m
Alaska Airlines
Wed 11/41:53 pm
IDA
-
PHX
1 stop8h 56m
Alaska Airlines
Deal found 6/7$324
This United Airlines deal was found by Cheapflights users on 6/6. 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 10/37:30 am
PHX
-
IDA
1 stop6h 54m
United Airlines
Sat 10/104:05 pm
IDA
-
PHX
1 stop5h 09m
United Airlines
Deal found 6/6$330
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:23 am
PHX
-
IDA
1 stop5h 00m
United Airlines
Tue 8/254:04 pm
IDA
-
PHX
1 stop5h 20m
United Airlines
Deal found 6/9$340

Find flight deals from Phoenix to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Idaho Falls (IDA). 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 June 10, 2026.

Round-trip from

$200
(Kiwi.com)

One-way from

$93
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$524
From Phoenix to Idaho Falls Fanning Field
One-way flight from Phoenix to Idaho Falls Fanning Field
Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Idaho Falls 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 June 10, 2026.
Use the filters below to find and compare flights from Phoenix to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 8/5

6:00 am-10:50 am

1 stop3h 50m

Idaho Falls Fanning Field

Sun 8/9

6:00 am-8:44 am

1 stop3h 44m

$443

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 6/26

8:56 pm-1:06 pm

1 stop15h 10m

Idaho Falls Fanning Field

Tue 6/30

7:15 am-2:57 pm

1 stop8h 42m

$469

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 7/22

5:05 pm-10:32 pm

1 stop4h 27m

Idaho Falls Fanning Field

Sun 7/26

6:00 am-8:44 am

1 stop3h 44m

$485

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 8/27

6:00 am-10:50 am

1 stop3h 50m

Idaho Falls Fanning Field

Sun 8/30

6:00 am-8:44 am

1 stop3h 44m

$491

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 7/24

5:05 pm-10:32 pm

1 stop4h 27m

Idaho Falls Fanning Field

Sun 7/26

6:00 am-8:44 am

1 stop3h 44m

$491

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 8/6

7:00 am-1:06 pm

1 stop5h 06m

Idaho Falls Fanning Field

Mon 8/10

4:14 pm-8:37 pm

1 stop5h 23m

$509

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Mon 6/22

6:00 am-10:43 am

1 stop3h 43m

Idaho Falls Fanning Field

Tue 6/30

7:00 pm-10:14 pm

1 stop4h 14m

$510
Cheapest one-way
Quickest one-way

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 7/4

7:00 am-1:06 pm

1 stop5h 06m

$170

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 9/5

7:02 am-1:24 pm

1 stop5h 22m

$170

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 9/2

2:29 pm-10:56 pm

1 stop7h 27m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Phoenix to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Phoenix 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 Phoenix to Idaho Falls

What is the cheapest month to book a flight from Phoenix to Idaho Falls?

Currently, August is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $110). Flying from Phoenix to Idaho Falls in April is currently the most expensive (average of $240). 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 PHX to IDA?

Find hourly flight availability from Phoenix to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 46% on flights from Phoenix to Idaho Falls by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Phoenix to Idaho Falls?

How often are flights from Phoenix to Idaho Falls delayed?

About 16% of weekly flights between Phoenix and Idaho Falls have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Phoenix to Idaho Falls flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Phoenix to Idaho Falls flights?

Over the last year, American Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated June 10, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAllegiant Air from Phoenix to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Idaho Falls. 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 into for flights to Idaho Falls from Phoenix?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Phoenix. On average, Fanning Field has 0 inbound flights from Phoenix per day from 4 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • How long is the flight from Phoenix to Idaho Falls?

    Departing from Phoenix to Idaho Falls will take you 3h 50m. Airlines will cover a distance of 696 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix to Idaho Falls round-trip?

    Cheapflights users have booked flights from Phoenix to Idaho Falls round-trip from $122. Other airlines that can offer you cheap pricing are Delta, from $190, and American Airlines, from $248. Allegiant Air is priced at 69% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Phoenix to Idaho Falls one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $80. Users have also found prices from $140 and $145 on American Airlines and Delta, respectively.

  • Can I find deals for flights from Phoenix to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Phoenix to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Idaho Falls.

  • Can I find deals for business class flights from Phoenix to Idaho Falls?

    Yes. Cheapflights offers flight deals from Phoenix to Idaho Falls 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 Phoenix to Idaho Falls?

    Currently, August is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $110). Flying from Phoenix to Idaho Falls in April is currently the most expensive (average of $240). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top 4 airlines flying from Phoenix to Idaho Falls

Discover the top 4 airlines that operate flights from Phoenix to Idaho Falls. 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$122Average$195FlexibilityNo cancel feeOn-time88%
DeltaCheapest$190Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$459FlexibilityNo cancel feeOn-time69%

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