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$89+ Cheap flights from Idaho Falls (IDA) to Phoenix

IDA — PHX
Oct 9 — Oct 161
Fri 10/9
Fri 10/16
1 adult, Economy
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Cheap flight deals from Idaho Falls to Phoenix

Cheapest flights from Idaho Falls to Phoenix

Fri 10/910:49 pm -
1 stop25h 29m
Fri 10/168:16 am -
1 stop6h 44m
Deal found 9/8$208
Fri 11/138:24 pm -
1 stop17h 06m
Fri 11/206:51 am -
2 stops8h 43m
Deal found 9/8$297
Fri 11/138:24 pm -
1 stop17h 06m
Mon 11/238:56 am -
1 stop12h 39m
Deal found 9/8$304
Mon 10/57:42 pm -
2 stops25h 35m
Mon 10/128:16 am -
1 stop5h 23m
Deal found 9/7$342
Fri 10/1610:49 pm -
1 stop14h 28m
Mon 10/198:16 am -
1 stop5h 23m
Deal found 9/8$353
Wed 11/256:37 pm -
2 stops24h 09m
Wed 12/29:22 pm -
1 stop17h 53m
Deal found 9/8$360
Fri 10/238:28 pm -
1 stop23h 05m
Sat 10/311:45 pm -
2 stops52h 55m
Deal found 9/4$366

Find flight deals from Idaho Falls to Phoenix

Round-trip from

$208
(Kiwi.com)

One-way from

$89
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$474
From Idaho Falls Fanning Field to Phoenix
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One-way flight from Idaho Falls Fanning Field to Phoenix
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Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Idaho Falls to Phoenix that are best for you.

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Route

Depart

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Price

Cheapest round-trip

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Wed 12/9

6:15 am-4:00 pm

2 stops9h 45m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$179

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Tue 10/6

6:09 am-12:55 pm

1 stop7h 46m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$213
Quickest round-trip

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Sat 12/5

4:00 pm-9:17 pm

1 stop5h 17m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$213

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Tue 12/1

4:00 pm-9:17 pm

1 stop5h 17m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$213

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Sat 3/6

1:10 pm-9:34 pm

2 stops8h 24m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$232

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Wed 3/3

1:10 pm-9:34 pm

2 stops8h 24m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$232

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Sat 12/5

5:35 am-3:45 pm

2 stops10h 10m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$232

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Tue 3/2

6:00 am-5:35 pm

2 stops11h 35m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$232

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Thu 12/10

5:35 am-11:59 pm

2 stops18h 24m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$235

Idaho FallsPhoenix

IDA Idaho Falls Fanning Field - PHX Phoenix Sky Harbor Intl

IDAPHX

Idaho Falls Fanning Field

Sun 11/8

6:56 pm-10:47 am

2 stops15h 51m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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

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, September is the cheapest month in which you can book a flight from Idaho Falls to Phoenix (average of $194). Flying from Idaho Falls to Phoenix in May is currently the most expensive (average of $436). 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?

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Phoenix in the evening. If you’re flexible enough to do this you can expect to save up to 81% on your trip compared to booking a flight in the afternoon.

How far ahead should I book a flight from Idaho Falls to Phoenix?

The price you pay for your flight from Idaho Falls to Phoenix may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Idaho Falls to Phoenix?

Travelers seeking maximum savings on their Idaho Falls to Phoenix flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Phoenix

Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited 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
7.9
Good
12,896 reviews

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.
Alaska Airlines
7.9
Good
12,896 reviews
Alaska Airlines
7.9
Good
12,896 reviews

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.
Delta
7.8
Good
8,554 reviews
Alaska Airlines
7.9
Good
12,896 reviews

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.
United Airlines
7.4
Good
10,190 reviews
Alaska Airlines
7.9
Good
12,896 reviews

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.
Allegiant Air
7.3
Good
679 reviews
Alaska Airlines
7.9
Good
12,896 reviews

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.
American Airlines
7.1
Good
12,046 reviews
Alaska Airlines
7.9
Good
12,896 reviews

Food

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Chris,Aug 2026

GEG - SFO

Our flight was delayed multiple times over the course of the day for a total of almost ten hours. It was supposed to be a two-hour flight from San Francisco to Spokane. It turned into a nightmare of waiting all day in the airport, not knowing whether we would fly or not, whether we would miss my son's wedding and lose the expenses already incurred for car rental and accommodations. The Alaska staff seemed clueless and never gave us any convincing or definitive information. The airline offered food vouchers and discounts on future flights to make up for the trouble. However, the information about these concessions was not timely, nor were the vouchers themselves very useful. We were a family group of four people. The airline decided to give us one food voucher for $96, which is barely enough for four to get a sandwich and a drink each. Only by persistently addressing the airport food retailers were we able to get anything at all. Then, taking the exact opposite approach, the airline sent me, the original purchaser of all four tickets and the only email account they had, four vouchers for $150 each in the names of each of the four passengers. So, any one of us could get a discount on a future flight with Alaska in that amount. But I originally paid for all the tickets. It makes no sense, except to suggest that Alaska chooses the way to distribute vouchers that seems most likely to minimize the probability that they will be utilized. In my opinion, I should be offered a total refund for the ordeal we were forced to endure or at least a discount voucher for the entire $600.

Related info for your journey

  • 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 $412, Alaska Airlines can have you in Phoenix from Idaho Falls in 13h 33m. Airlines will cover a distance of 696 mi.

  • 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 $104. Other airlines that can offer you cheap pricing are Delta, from $218, and Alaska Airlines, from $256. Allegiant Air is priced at 75% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Idaho Falls to Phoenix are Allegiant Air ($62), Alaska Airlines ($169), and American Airlines ($210).

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

    On average you can expect to pay $673 for a flight from Idaho Falls to Phoenix. The cheapest flight overall is $364 while the most popular route, (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) is currently priced at $208.

  • 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, September is the cheapest month in which you can book a flight from Idaho Falls to Phoenix (average of $194). Flying from Idaho Falls to Phoenix in May is currently the most expensive (average of $436). 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

Top 5 airlines flying from Idaho Falls to Phoenix

AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$104Average$227FlexibilityNo cancel feeOn-time88%
DeltaCheapest$218Average$494FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$256Average$423FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$280Average$381FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$422FlexibilityNo cancel feeOn-time71%

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