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Idaho Falls

$94+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
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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 August 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/187:22 am -
1 stop9h 39m
Mon 9/216:21 pm -
1 stop18h 38m
Deal found 8/8$241
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Sun 9/135:23 pm -
1 stop17h 11m
Mon 9/216:21 pm -
1 stop5h 26m
Deal found 8/7$250
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/39:03 am -
1 stop22h 51m
Mon 9/78:36 pm -
1 stop23h 45m
Deal found 8/6$258
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Wed 12/21:25 pm -
1 stop25h 50m
Sun 12/64:05 pm -
1 stop17h 30m
Deal found 8/6$288
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/249:03 am -
2 stops6h 40m
Mon 8/318:33 pm -
1 stop17h 26m
Deal found 8/6$362
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 9/302:29 pm -
1 stop7h 27m
Wed 10/71:58 pm -
1 stop8h 50m
Deal found 8/7$405

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 August 10, 2026.

Round-trip from

$241
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$456
From Phoenix to Idaho Falls Fanning Field
Search Deals
One-way flight from Phoenix to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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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 August 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

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Mon 8/31

7:02 am-1:24 pm

1 stop5h 22m

Idaho Falls Fanning Field

Wed 9/2

6:18 am-2:33 pm

2 stops9h 15m

$469
Quickest round-trip

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Tue 8/25

9:23 am-3:23 pm

1 stop5h 00m

Idaho Falls Fanning Field

Sat 8/29

2:25 pm-8:24 pm

1 stop6h 59m

$473

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Wed 11/11

11:20 am-11:42 pm

2 stops12h 22m

Idaho Falls Fanning Field

Thu 11/12

3:54 pm-9:17 pm

1 stop5h 23m

$482

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Fri 10/9

12:45 pm-10:59 pm

1 stop9h 14m

Idaho Falls Fanning Field

Mon 10/12

3:57 pm-8:39 pm

1 stop5h 42m

$487

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Thu 11/12

6:20 am-1:28 pm

1 stop7h 08m

Idaho Falls Fanning Field

Fri 11/13

5:40 pm-10:53 pm

1 stop5h 13m

$488

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Thu 10/29

7:00 am-1:21 pm

1 stop5h 21m

Idaho Falls Fanning Field

Mon 11/2

6:04 am-3:14 pm

2 stops9h 10m

$494

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Fri 9/18

7:49 pm-10:56 pm

2 stops26h 07m

Idaho Falls Fanning Field

Mon 9/21

3:57 pm-2:33 pm

2 stops23h 36m

$496
Cheapest one-way

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Wed 11/11

7:23 am-1:16 pm

1 stop5h 53m

$203
Quickest one-way

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Sat 9/12

9:23 am-3:23 pm

1 stop5h 00m

$203

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Sat 9/12

2:29 pm-10:56 pm

1 stop7h 27m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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, January is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $156). Flying from Phoenix to Idaho Falls in July is currently the most expensive (average of $408). 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 August 10, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from Phoenix to Idaho Falls by exploring options for tickets in the morning.

How often are flights from Phoenix to Idaho Falls delayed?

About 15% 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 August 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.
Delta
7.8
Good
8,506 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,506 reviews
Delta
7.8
Good
8,506 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,102 reviews
Delta
7.8
Good
8,506 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Allegiant Air
7.3
Good
679 reviews
Delta
7.8
Good
8,506 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,902 reviews
Delta
7.8
Good
8,506 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

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 5h. 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 $128. 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 $68. Users have also found prices from $169 and $210 on Delta and American Airlines, 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, January is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $156). Flying from Phoenix to Idaho Falls in July is currently the most expensive (average of $408). 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 August 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$128Average$218FlexibilityNo cancel feeOn-time88%
DeltaCheapest$190Average$519FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$520FlexibilityNo cancel feeOn-time69%

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