Cheap flights from Idaho to Phoenix from $42

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
BOI — PHX
Sep 26 — Oct 31

How far in advance should I book a flight from Idaho to Phoenix?

Find a great deal and save up to 54% by booking at least 35 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Idaho to Phoenix within the next two weeks, with the cheapest ticket starting at $251.

What is the cheapest month to fly from Idaho to Phoenix?

January can be a great time to fly to Phoenix from Idaho with a flight ticket averaging about $245. Cheapflights users have found deals in the month of January for as cheap as $132. The most expensive prices can be found in the month of March.

When is the cheapest time to fly from Idaho to Phoenix (ID - PHX)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Phoenix as you normally would.

Cheap Spirit Airlines flights from Idaho to Phoenix

Find some of the cheapest Spirit Airlines flights traveling from Idaho to Phoenix. Come back soon if you're not finding the exact deal you're looking for.

Cheap American Airlines flights from Idaho to Phoenix

Some of the lowest-priced American Airlines flights we've found at this time heading from Idaho to Phoenix. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Idaho to Phoenix flights in September & October 2023

The best prices found for Idaho to Phoenix flights for September, October
Scroll through some of the best deals on flights from Idaho to Phoenix in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Idaho to Phoenix 2023 flight deals

Cheap flights to Phoenix from Idaho found for this year
Scroll through some of the best deals on flights from Idaho to Phoenix in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Phoenix from Idaho

Save time with Idaho to Phoenix direct flight deals
If you're seeking options on non-stop flights from Idaho to Phoenix, check out these fares. Users can also choose from other Idaho to Phoenix flights by using the search form above.

Idaho to Phoenix flights leaving soon

Late deals on return flights to Phoenix from Idaho, departing today and this week
Have a look at some of the last-minute flights available departing from Idaho to Phoenix. Tip: verify your flight details before completing your reservation.

One-way flights to Phoenix from Idaho

The cheapest one-way flights from Idaho to Phoenix
If you're seeking multiple options on one-way flights from Idaho to Phoenix, be sure to check out these deals, which are updated often. For those needing a return trip from Idaho, there is a search form available above.

Find flights from Idaho to Phoenix within your budget

Use the slider to find flights from Idaho to Phoenix that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$68 - $206

Route

Depart

Return

Price

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 10/21

1 stop4h 53m

Phoenix Sky Harbor Intl

Tue 10/24

1 stop12h 19m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 10/24

1 stop9h 35m

Phoenix Sky Harbor Intl

Tue 10/31

1 stop5h 21m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 10/7

1 stop4h 53m

Phoenix Sky Harbor Intl

Tue 10/10

1 stop5h 21m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 10/25

1 stop10h 58m

Phoenix Sky Harbor Intl

Sat 10/28

1 stop11h 28m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 10/24

1 stop7h 46m

Phoenix Sky Harbor Intl

Wed 11/1

1 stop4h 26m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 10/24

1 stop7h 46m

Phoenix Sky Harbor Intl

Thu 11/2

1 stop6h 40m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 10/18

Nonstop2h 03m

Phoenix Sky Harbor Intl

Sat 10/21

Nonstop2h 20m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 10/27

1 stop5h 56m

Phoenix Sky Harbor Intl

Sat 10/28

1 stop5h 18m

Boise Air Term. Gowen FldPhoenix Sky Harbor Intl

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 10/25

Nonstop2h 10m

Phoenix Sky Harbor Intl

Wed 10/25

1 stop7h 29m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Phoenix

Read reviews from past customers who have flown Spirit Airlines, American Airlines and Delta from Idaho to Phoenix. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.2
Very good
356 reviews

Entertainment

8.1

Boarding

8.2

Food

8.0

Comfort

8.1

Crew

8.5

Overall

8.2

Reviews

1 / 10

Off boarding is slow, the assigned gate was too far and the boarding is chaotic.

Korean Air
8.2
Very good
356 reviews
Korean Air
8.2
Very good
356 reviews

Entertainment

8.1

Boarding

8.2

Food

8.0

Comfort

8.1

Crew

8.5

Overall

8.2

Reviews

1 / 10

Off boarding is slow, the assigned gate was too far and the boarding is chaotic.

Alaska Airlines
8.1
Very good
1,393 reviews
Korean Air
8.2
Very good
356 reviews

Entertainment

8.1

Boarding

8.2

Food

8.0

Comfort

8.1

Crew

8.5

Overall

8.2

Reviews

1 / 10

Off boarding is slow, the assigned gate was too far and the boarding is chaotic.

Delta
7.9
Good
3,016 reviews
Korean Air
8.2
Very good
356 reviews

Entertainment

8.1

Boarding

8.2

Food

8.0

Comfort

8.1

Crew

8.5

Overall

8.2

Reviews

1 / 10

Off boarding is slow, the assigned gate was too far and the boarding is chaotic.

United Airlines
7.4
Good
1,887 reviews
Korean Air
8.2
Very good
356 reviews

Entertainment

8.1

Boarding

8.2

Food

8.0

Comfort

8.1

Crew

8.5

Overall

8.2

Reviews

1 / 10

Off boarding is slow, the assigned gate was too far and the boarding is chaotic.

American Airlines
7.2
Good
2,635 reviews
Korean Air
8.2
Very good
356 reviews

Entertainment

8.1

Boarding

8.2

Food

8.0

Comfort

8.1

Crew

8.5

Overall

8.2

Reviews

1 / 10

Off boarding is slow, the assigned gate was too far and the boarding is chaotic.

Related info for your journey

Useful info, stats and facts about Idaho to Phoenix flights.

Can I find flights from Idaho to Phoenix for under $100 on Cheapflights?

Yes, there are multiple flights from Idaho to Phoenix for under $100. The cheapest flight booked recently is on Spirit Airlines for just $68, but on average you can expect to pay $96.

Are there nonstop flights from Idaho to Phoenix for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Idaho to Phoenix under $200. A good price for a nonstop flight from Idaho to Phoenix is less than $209.

Are there last-minute flights available from Idaho to Phoenix for under $100?

There are currently 20+ open flights from Idaho to Phoenix within the next 7 days for less than $100.

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

One-way options have recently been found by users for as low as $42 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $69 and Delta from $89 one-way.

What are the most popular routes from Idaho to Phoenix?

What are the most popular airlines that fly from Idaho to Phoenix?

What are the most reliable airlines from Idaho to Phoenix?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho to Phoenix on time: SkyWest Airlines (85%), American Airlines (83%), Southwest (77%).

What are the cheapest flights from Idaho to Phoenix?

The cheapest flight price from Idaho to Phoenix is $114. On average you can expect to pay $718. The most popular route, (Spokane - Phoenix Sky Harbor Intl), can usually be booked for $217.

What does BOI to PHX mean?

BOI stands for Boise Air Term. Gowen Fld Airport, while PHX stands for Phoenix Sky Harbor Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Phoenix-Mesa Gateway Airport (AZA), Prescott Airport (PRC) are other airports near this flight route and their unique identifiers/IATA codes.

Top 5 airlines flying from Idaho to Phoenix

The chart below displays the airlines Cheapflights users traveling from Idaho to Phoenix choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$59Average$170FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
Alaska AirlinesCheapest$84Average$199FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$90Average$184FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$137Average$328FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$177Average$474FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Idaho to Phoenix

See what time of day planes typically take off from Idaho to Phoenix
27%of flight departuresEarly morningMidnight to 6 am
21%of flight departuresMorning6 am to noon
52%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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