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$51+ Cheap flights from Phoenix to Boise (BOI)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Boise Air Term. Gowen Fld are usually found in September or October, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Phoenix to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Boise (BOI). 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 August 1, 2025.

Round-trip from

$137
(Hawaiian Airlines)

One-way from

$51
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$254
From Phoenix to Boise Air Term. Gowen Fld
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One-way flight from Phoenix to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Phoenix to Boise

Cheapest flights from Phoenix to Boise
Explore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 10/222:19 pmPHX - BOI
Nonstop2h 17mHawaiian Airlines
Wed 10/297:35 amBOI - PHX
Nonstop2h 14mHawaiian Airlines
Deal found 7/31$137
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:41 pmAZA - BOI
Nonstop2h 02mAllegiant Air
Mon 8/410:33 pmBOI - AZA
Nonstop2h 06mAllegiant Air
Deal found 7/29$147
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 10/222:19 pmPHX - BOI
Nonstop2h 17mAlaska Airlines
Sat 11/17:35 amBOI - PHX
Nonstop2h 14mAlaska Airlines
Deal found 7/31$147
This Southwest deal was found by Cheapflights users on 7/30. 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.
Wed 10/229:00 amPHX - BOI
1 stop4h 25mSouthwest
Wed 10/293:15 pmBOI - PHX
1 stop7h 45mSouthwest
Deal found 7/30$156
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 10/203:40 pmPHX - BOI
1 stop7h 28mDelta
Mon 10/279:00 amBOI - PHX
1 stop6h 42mDelta
Deal found 7/31$188
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/194:56 pmPHX - BOI
Nonstop2h 14mAmerican Airlines
Tue 8/265:15 pmBOI - PHX
Nonstop2h 20mAmerican Airlines
Deal found 7/31$210
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/59:10 amAZA - BOI
2 stops27h 11mMultiple Airlines
Mon 9/88:00 pmBOI - AZA
Nonstop2h 07mMultiple Airlines
Deal found 7/30$229
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/1810:32 amPHX - BOI
1 stop4h 23mUnited Airlines
Mon 8/257:09 pmBOI - PHX
1 stop5h 00mUnited Airlines
Deal found 7/31$250

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Boise 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 August 1, 2025.
Use the filters below to find and compare flights from Phoenix to Boise that are best for you.

Fly from

Phoenix

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 10/22

2:19 pm-5:36 pm

Nonstop2h 17m

Boise Air Term. Gowen Fld

Wed 10/29

7:35 am-8:49 am

Nonstop2h 14m

$137

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 10/22

3:40 pm-6:45 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Wed 10/29

5:30 pm-10:05 pm

1 stop5h 35m

$147

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 9/9

7:00 am-3:00 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Tue 9/9

6:05 pm-7:17 pm

Nonstop2h 12m

$151

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 10/21

7:04 pm-11:59 pm

1 stop3h 55m

Boise Air Term. Gowen Fld

Fri 10/31

5:40 am-10:06 am

1 stop5h 26m

$157

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 8/29

6:31 pm-9:39 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Mon 9/1

10:29 pm-11:38 pm

Nonstop2h 09m

$158

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 8/19

1:35 pm-4:45 pm

Nonstop2h 10m

Boise Air Term. Gowen Fld

Tue 8/26

5:15 pm-6:35 pm

Nonstop2h 20m

$210

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 9/5

9:10 am-1:21 pm

2 stops27h 11m

Boise Air Term. Gowen Fld

Mon 9/8

8:00 pm-9:07 pm

Nonstop2h 07m

$229

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 8/18

10:32 am-3:55 pm

1 stop4h 23m

Boise Air Term. Gowen Fld

Mon 8/25

7:09 pm-11:09 pm

1 stop5h 00m

$250

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 9/5

4:08 pm-7:10 pm

Nonstop2h 02m

$51

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 11/4

8:57 pm-11:09 pm

Nonstop2h 12m

$66

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 18 results
1
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Best time to book a flight from Phoenix to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Boise

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

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

To ensure you get the cheapest price possible for a flight from Phoenix to Boise, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Phoenix to Boise (average of $314). Flying from Phoenix to Boise in June is currently the most expensive (average of $398). 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 BOI?

Find hourly flight availability from Phoenix to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

One of the essential ways to save on airfare from Phoenix to Boise is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Phoenix to Boise?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Boise. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Phoenix to Boise flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to Boise

Explore weekly flight availability from Phoenix to Boise. 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 August 1, 2025.

The most flights from PH1 to BOI are scheduled on a Thursday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated August 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Phoenix to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Boise. 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 Boise from Phoenix?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly into when you book flights from Phoenix to Boise. 8 airlines have flights to Air Term. Gowen Fld from Phoenix on a regular basis. Booking flights from Phoenix to Boise Air Term. Gowen Fld should not be difficult; the airport handles an average of 4 inbound flights from Phoenix per day.

  • What are the cheapest airlines flying from Phoenix to Boise round-trip?

    Cheapflights users have booked flights from Phoenix to Boise round-trip from $137. Other airlines that can offer you cheap pricing are Southwest, from $147, and Alaska Airlines, from $151. These flights start at 46% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $51. Users have also found prices from $66 and $78 on Alaska Airlines and Southwest, respectively.

  • What are the most reliable airlines from Phoenix to Boise?

    No one likes to see their flight delayed. When booking a flight from Phoenix to Boise consider choosing Envoy Air (95%), Alaska Airlines (94%) or Horizon Air (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Phoenix to Boise?

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $137 on average our data indicates $291 when flying from Phoenix to Boise.

  • Can I find deals for flights from Phoenix to Boise that include hotel bookings?

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

  • How can I find direct flights from Phoenix to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Boise.

  • Can I find deals for business class flights from Phoenix to Boise?

    Yes. Cheapflights offers flight deals from Phoenix to Boise 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 Boise?

    Currently, October is the cheapest month in which you can book a flight from Phoenix to Boise (average of $314). Flying from Phoenix to Boise in June is currently the most expensive (average of $398). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Ontario
McCall
Caldwell

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Top 8 airlines flying from Phoenix to Boise

Discover the top 8 airlines that operate flights from Phoenix to Boise. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$63Average$164FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$87Average$172FlexibilityNo cancel feeOn-time65%
DeltaCheapest$88Average$218FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$210FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$142Average$235FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$159Average$282FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$159Average$253FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$259FlexibilityNo cancel feeOn-time69%

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