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Sky Harbor Intl

$89+ Cheap flights from Boise (BOI) 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Find cheap flights from Boise to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl are usually found in September or October, booked 54 days in advance, depart on a Thursday or Saturday and return on a Friday

Cheap flight deals from Boise to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 April 28, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$187
(Hawaiian Airlines)

One-way from

$89
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$280

Good round-trip deal

$281 or less

Good one-way deal

$141 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Phoenix Sky Harbor Intl flights.
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From Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
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One-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 17% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
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Find flight deals from Boise to Sky Harbor Intl

Cheapest flights from Boise to Sky Harbor Intl
Explore the most affordable flight options available from Boise to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/135:44 pmBOI - PHX
Nonstop2h 12mHawaiian Airlines
Tue 6/177:38 pmPHX - BOI
Nonstop2h 07mHawaiian Airlines
Deal found 4/28$187
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 9/135:45 pmBOI - PHX
1 stop7h 10mAlaska Airlines
Tue 9/167:59 pmPHX - BOI
Nonstop2h 08mAlaska Airlines
Deal found 4/28$189
This Delta deal was found by Cheapflights users on 4/27. 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 6/37:35 amBOI - PHX
1 stop6h 15mDelta
Tue 6/35:25 pmPHX - BOI
1 stop5h 58mDelta
Deal found 4/27$197
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/125:25 pmBOI - PHX
1 stop5h 35mUnited Airlines
Thu 5/156:00 amPHX - BOI
1 stop5h 39mUnited Airlines
Deal found 4/28$199
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/35:10 pmBOI - PHX
Nonstop2h 11mAmerican Airlines
Tue 6/108:20 pmPHX - BOI
Nonstop2h 16mAmerican Airlines
Deal found 4/28$213
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:05 pmBOI - PHX
Nonstop2h 05mSouthwest
Wed 6/47:30 pmPHX - BOI
Nonstop2h 00mSouthwest
Deal found 4/27$222
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1412:22 pmBOI - PHX
Nonstop2h 15mMultiple Airlines
Tue 5/205:50 amPHX - BOI
1 stop6h 47mMultiple Airlines
Deal found 4/28$229
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:36 pmBOI - PHX
1 stop5h 46mFrontier
Mon 5/269:39 amPHX - BOI
1 stop25h 12mFrontier
Deal found 4/28$287
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:52 pmBOI - PHX
2 stops27h 49mSpirit Airlines
Sun 5/42:34 pmPHX - BOI
1 stop21h 23mSpirit Airlines
Deal found 4/27$356

Cheapflights Fare Finder

Customize your flight search to find flights from Boise 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 April 28, 2025.
Use the filters below to find and compare flights from Boise to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Boise

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 6/13

5:44 pm-6:56 pm

Nonstop2h 12m

Phoenix Sky Harbor Intl

Tue 6/17

7:38 pm-10:45 pm

Nonstop2h 07m

$187

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 6/3

7:45 am-11:27 am

1 stop4h 42m

Phoenix Sky Harbor Intl

Tue 6/3

3:41 pm-10:29 pm

1 stop5h 48m

$197

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 5/12

5:25 pm-10:00 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

Thu 5/15

6:00 am-12:39 pm

1 stop5h 39m

$199

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 6/3

5:10 pm-6:21 pm

Nonstop2h 11m

Phoenix Sky Harbor Intl

Tue 6/10

8:20 pm-11:36 pm

Nonstop2h 16m

$213

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 5/28

8:40 am-9:45 am

Nonstop2h 05m

Phoenix Sky Harbor Intl

Wed 6/4

7:30 pm-10:30 pm

Nonstop2h 00m

$219

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 6/21

6:07 pm-7:19 pm

Nonstop2h 12m

Phoenix Sky Harbor Intl

Thu 6/26

7:38 pm-10:45 pm

Nonstop2h 07m

$226

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 5/14

12:22 pm-1:37 pm

Nonstop2h 15m

Phoenix Sky Harbor Intl

Tue 5/20

5:50 am-1:37 pm

1 stop6h 47m

$229

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 5/2

1:52 pm-4:41 pm

2 stops27h 49m

Phoenix Sky Harbor Intl

Sun 5/4

2:34 pm-12:57 pm

1 stop21h 23m

$356

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 5/31

12:20 pm-1:27 pm

Nonstop2h 07m

$89

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 6/2

12:20 pm-1:27 pm

Nonstop2h 07m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 17 results
1
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Compare providers for flights from Boise 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 Boise to Sky Harbor Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*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 Boise-Phoenix Sky Harbor Intl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Boise-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Boise-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust Mytrip the most. Mytrip 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 Boise-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 Boise to Sky Harbor Intl

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

How far ahead should I book a flight from Boise to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Sky Harbor Intl. Price data was last updated on April 25, 2025.

The price you pay for your flight from Boise to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 BOI to PHX?

Find hourly flight availability from Boise to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2025.

When flying from Boise to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight in the morning.

What is the cheapest day to fly from Boise to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boise to Sky Harbor Intl. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Boise to Phoenix Sky Harbor Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boise to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Boise to Sky Harbor Intl. 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 April 28, 2025.

The most flights from BOI to PHX are scheduled on a Sunday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 April 28, 2025.
To help decide which airline to fly from Boise to Phoenix, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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
9,949 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boise 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 Boise to Phoenix Sky Harbor Intl?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Phoenix Sky Harbor Intl. On average, Air Term. Gowen Fld has 9 outbound flights to Phoenix Sky Harbor Intl per day from 8 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

    Hawaiian Airlines, at $187, was found to be the cheapest airline from Boise to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. Hawaiian Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $99 and $100 on United Airlines and Delta, respectively.

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

    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 Boise to Phoenix Sky Harbor Intl Airport on time: Southwest (95%), Alaska Airlines (86%), American Airlines (85%).

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

    The cheapest flight price from Boise to Phoenix Sky Harbor Intl Airport is $88. On average you can expect to pay $461. The most popular route, (Boise Air Term. Gowen Fld - Phoenix Sky Harbor Intl), can usually be booked for $177.

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

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

  • How can I find direct flights from Boise 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 Boise to Sky Harbor Intl.

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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

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Top 8 airlines flying from Boise to Sky Harbor Intl

Discover the top 8 airlines that operate flights from Boise 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$184FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$106Average$189FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$108Average$252FlexibilityNo cancel feeOn-time85%
DeltaCheapest$156Average$257FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$156Average$300FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$168Average$295FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$187Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$593FlexibilityNo cancel feeOn-time69%

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