Sky Harbor Intl

$84+ Cheap flights from Idaho Falls (IDA) to Sky Harbor Intl (PHX)

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.
IDA — PHX
Jul 10 — Jul 171
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Cheap flight deals from Idaho Falls to Sky Harbor Intl

Cheapest flights from Idaho Falls to Sky Harbor Intl
Explore the most affordable flight options available from Idaho Falls to Sky Harbor Intl. 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 6/10. 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 6/2910:56 pm
IDA
-
PHX
1 stop14h 59m
Multiple Airlines
Fri 7/37:45 am
PHX
-
IDA
1 stop7h 15m
Multiple Airlines
Deal found 6/10$238
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.
Fri 7/310:47 pm
IDA
-
PHX
1 stop13h 37m
Multiple Airlines
Sun 7/1212:20 pm
PHX
-
IDA
2 stops26h 40m
Multiple Airlines
Deal found 6/6$257
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:47 pm
IDA
-
PHX
2 stops17h 44m
Multiple Airlines
Mon 8/312:20 pm
PHX
-
IDA
1 stop8h 37m
Multiple Airlines
Deal found 6/9$269
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:46 pm
IDA
-
PHX
1 stop9h 01m
Alaska Airlines
Tue 11/33:31 pm
PHX
-
IDA
1 stop8h 11m
Alaska Airlines
Deal found 6/9$309
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:05 pm
IDA
-
PHX
1 stop5h 44m
United Airlines
Sat 10/37:30 am
PHX
-
IDA
1 stop6h 54m
United Airlines
Deal found 6/8$316
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:47 pm
IDA
-
PHX
2 stops17h 44m
Multiple Airlines
Fri 7/317:45 am
PHX
-
IDA
1 stop7h 15m
Multiple Airlines
Deal found 6/9$319
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 6/2910:56 pm
IDA
-
PHX
1 stop14h 59m
Multiple Airlines
Mon 7/67:45 am
PHX
-
IDA
1 stop7h 15m
Multiple Airlines
Deal found 6/10$321

Find flight deals from Idaho Falls to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Sky Harbor Intl (PHX). 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.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$84
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$559

Good round-trip deal

$597 or less

Good one-way deal

$276 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Phoenix Sky Harbor Intl flight deals.
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Phoenix Sky Harbor Intl flights.
From Idaho Falls Fanning Field to Phoenix Sky Harbor Intl
One-way flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl
Highest demand for flights based on searches. 15% potential increase in price ($71 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl.
Price to beat on a one-way flight from Idaho Falls Fanning Field to Phoenix Sky Harbor Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Sky Harbor Intl 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 Idaho Falls to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 10/31

1:46 pm-9:47 pm

1 stop9h 01m

Phoenix Sky Harbor Intl

Tue 11/3

3:31 pm-11:42 pm

1 stop8h 11m

$309
Quickest round-trip

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Thu 10/1

4:05 pm-8:49 pm

1 stop5h 44m

Phoenix Sky Harbor Intl

Sat 10/3

7:30 am-3:24 pm

1 stop6h 54m

$316

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 10/23

4:12 pm-8:34 pm

1 stop5h 22m

Phoenix Sky Harbor Intl

Mon 10/26

12:42 pm-10:54 pm

1 stop9h 12m

$339

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 7/17

7:15 am-2:57 pm

1 stop8h 42m

Phoenix Sky Harbor Intl

Sun 7/19

7:00 am-1:06 pm

1 stop5h 06m

$379

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Sat 9/12

3:57 pm-8:46 pm

1 stop5h 49m

Phoenix Sky Harbor Intl

Fri 9/18

7:49 pm-1:24 pm

2 stops16h 35m

$413
Cheapest one-way
Quickest one-way

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 12/4

5:57 pm-10:51 pm

1 stop4h 54m

$155

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 9/2

3:57 pm-8:46 pm

1 stop5h 49m

$155

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Wed 12/2

4:03 pm-10:01 pm

1 stop5h 58m

$155

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Fri 12/4

4:03 pm-11:01 pm

1 stop6h 58m

$170

Idaho FallsPhoenix

IDA - PHX

IDAPHX

Idaho Falls Fanning Field

Thu 9/3

4:04 pm-10:09 pm

1 stop7h 05m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Idaho Falls to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Sky Harbor Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Sky Harbor Intl Airport

What is the cheapest month to book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport (average of $298). Flying from Idaho Falls to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $559). 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.

How much does it cost to fly round-trip from Idaho Falls to Phoenix Sky Harbor Intl Airport?

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated June 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air from Idaho Falls to Phoenix Sky Harbor Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

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 Idaho Falls to Sky Harbor Intl. 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 Sky Harbor Intl?

    If you book a flight to Phoenix Sky Harbor Intl from Idaho Falls, you will be flying from Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls. There are 0 flights from Fanning Field to Phoenix Sky Harbor Intl per day from 4 different airlines.

  • How long is the flight from Idaho Falls to Phoenix Sky Harbor Intl Airport?

    A quick flight from Idaho Falls to Phoenix Sky Harbor Intl Airport can take about 5h 22m. United Airlines provides one of the quickest options available for as low as $339. The distance from Idaho Falls to Phoenix Sky Harbor Intl Airport is about 696 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Allegiant Air, at $110, was found to be the cheapest airline from Idaho Falls to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. Allegiant Air is currently priced 71% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Idaho Falls to Phoenix Sky Harbor Intl Airport are Delta ($145), Alaska Airlines ($179), and United Airlines ($185).

  • What are the most reliable airlines from Idaho Falls to Phoenix Sky Harbor Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport consider choosing SkyWest Airlines (90%), American Airlines (90%) or Porter Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Idaho Falls to Phoenix Sky Harbor Intl Airport?

    While on average a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport is generally $467, our data shows the cheapest flight currently is $162. When looking at the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl), you can expect to pay $232 for that flight.

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

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

  • How can I find direct flights from Idaho Falls to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Idaho Falls to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Idaho Falls to Sky Harbor Intl 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 Sky Harbor Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Phoenix Sky Harbor Intl Airport (average of $298). Flying from Idaho Falls to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $559). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Glendale
Buckeye
Goodyear
Paradise Valley
Peoria
Payson
Casa Grande
Chandler
Camp Verde
Globe
Surprise
Fountain Hills
Guadalupe

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Alternative routes for Idaho Falls to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Idaho Falls to Sky Harbor Intl

Discover the top 4 airlines that operate flights from Idaho Falls to Sky Harbor Intl. 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$110Average$164FlexibilityNo cancel feeOn-time88%
DeltaCheapest$218Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$381FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$411FlexibilityNo cancel feeOn-time71%

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