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Idaho Falls

$138+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IDA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap 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 February 20, 2025.

Round-trip from

$316
(Delta)

One-way from

$138
(Alaska Airlines)

Popular in

February

Cheapest in

November

Average price

$711
From Phoenix to Idaho Falls Fanning Field
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One-way flight from Phoenix to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 18% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 4/16:00 amPHX - IDA
1 stop5h 18mDelta
Thu 4/176:55 pmIDA - PHX
1 stop5h 38mDelta
Deal found 2/20$316
This United Airlines deal was found by Cheapflights users on 2/19. 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 5/104:40 pmPHX - IDA
1 stop5h 05mUnited Airlines
Sun 5/115:00 amIDA - PHX
1 stop4h 46mUnited Airlines
Deal found 2/19$357
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 5/101:50 pmPHX - IDA
1 stop7h 46mAlaska Airlines
Sun 5/114:35 pmIDA - PHX
2 stops24h 14mAlaska Airlines
Deal found 2/19$382
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/17:05 pmPHX - IDA
Nonstop2h 07mAmerican Airlines
Thu 4/177:43 amIDA - PHX
Nonstop2h 15mAmerican Airlines
Deal found 2/20$481

Find flights from Phoenix to Idaho Falls within your budget

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 February 20, 2025.

Fly from

Phoenix

Fly to

Idaho Falls

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 4/1

6:00 am-12:18 pm

1 stop5h 18m

Idaho Falls Fanning Field

Thu 4/17

6:55 pm-11:33 pm

1 stop5h 38m

$316

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 5/10

4:40 pm-10:45 pm

1 stop5h 05m

Idaho Falls Fanning Field

Sun 5/11

5:00 am-8:46 am

1 stop4h 46m

$357

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 5/10

1:50 pm-10:36 pm

1 stop7h 46m

Idaho Falls Fanning Field

Sun 5/11

4:35 pm-3:49 pm

2 stops24h 14m

$382

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 4/1

7:05 pm-10:12 pm

Nonstop2h 07m

Idaho Falls Fanning Field

Thu 4/17

7:43 am-8:58 am

Nonstop2h 15m

$481

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 3/18

6:00 am-3:30 pm

1 stop8h 30m

$138

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 3/22

6:00 am-12:18 pm

1 stop5h 18m

$139

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 5/20

4:40 pm-10:45 pm

1 stop5h 05m

$201

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 3/18

7:05 pm-10:12 pm

Nonstop2h 07m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Phoenix to Idaho Falls

Get recent, data-driven insights about flights from Phoenix to Idaho Falls including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $380). Flying from Phoenix to Idaho Falls in July is currently the most expensive (average of $628). 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 February 20, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 35% on flights from Phoenix to Idaho Falls by exploring options for tickets in the morning.

Weekly flight availability from Phoenix to Idaho Falls

Explore weekly flight availability from Phoenix to Idaho Falls. 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 February 20, 2025.

The most flights from PH1 to IDA are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
Read through reviews of airlines operating flights from Phoenix to Idaho Falls, such as Alaska Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 1 inbound flight from Phoenix per day from 4 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • 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 $316. Other airlines that can offer you cheap pricing are United Airlines, from $357, and Alaska Airlines, from $382. Delta is priced at 32% 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 Alaska Airlines. According to our data, you can fly for as low as $138. Users have also found prices from $139 and $201 on Delta and United Airlines, respectively.

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

    On average you can expect to pay $548 for a flight from Phoenix to Idaho Falls. The cheapest flight overall is $305 while the most popular route, (Phoenix Sky Harbor Intl - Idaho Falls Fanning Field) is currently priced at $331.

  • 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, October is the cheapest month in which you can book a flight from Phoenix to Idaho Falls (average of $380). Flying from Phoenix to Idaho Falls in July is currently the most expensive (average of $628). 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?

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$107Average$163FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$184Average$403FlexibilityNo cancel feeOn-time71%
DeltaCheapest$294Average$495FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$301Average$465FlexibilityNo cancel feeOn-time75%
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