$79 Cheap Flights from Phoenix (PHX) to Boise (BOI)

View $79 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)

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Today's featured flight deals from Phoenix Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Phoenix to Boise (PHX-BOI)

Prices were available within the past 7 days and start at $79 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 31 - Wed, Nov 5
PHX
Phoenix
BOI
Boise
$140 Roundtrip, found 4 days ago
$140
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Oct 31 from Phoenix to Boise, returning Wed, Nov 5, priced at $140 found 4 days ago
Delta
Fri, Oct 31 - Sat, Nov 1
PHX
Phoenix
BOI
Boise
$150 Roundtrip, found 5 days ago
$150
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 31 from Phoenix to Boise, returning Sat, Nov 1, priced at $150 found 5 days ago
Bargain Flight
Wed, Jan 21 - Wed, Jan 28
PHX
Phoenix
BOI
Boise
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Jan 21 from Phoenix to Boise, returning Wed, Jan 28, priced at $157 found 1 day ago
Alaska Airlines
Thu, Dec 4 - Sun, Dec 7
PHX
Phoenix
BOI
Boise
$157 Roundtrip, found 6 hours ago
$157
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Phoenix to Boise, returning Sun, Dec 7, priced at $157 found 6 hours ago
American Airlines
Fri, Oct 31 - Mon, Nov 3
PHX
Phoenix
BOI
Boise
$157 Roundtrip, found 11 hours ago
$157
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Phoenix to Boise, returning Mon, Nov 3, priced at $157 found 11 hours ago
Southwest Airlines
Sat, Nov 8 - Mon, Nov 10
PHX
Phoenix
BOI
Boise
$160 Roundtrip, found 10 hours ago
$160
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Sat, Nov 8 from Phoenix to Boise, returning Mon, Nov 10, priced at $160 found 10 hours ago
Alaska Airlines
Wed, Oct 22 - Sat, Oct 25
PHX
Phoenix
BOI
Boise
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Phoenix to Boise, returning Sat, Oct 25, priced at $160 found 1 day ago
Alaska Airlines
Tue, Oct 28 - Tue, Oct 28
PHX
Phoenix
BOI
Boise
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Oct 28 from Phoenix to Boise, returning Tue, Oct 28, priced at $161 found 1 day ago
Southwest Airlines
Wed, Oct 29 - Fri, Oct 31
PHX
Phoenix
BOI
Boise
$164 Roundtrip, found 6 days ago
$164
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Phoenix to Boise, returning Fri, Oct 31, priced at $164 found 6 days ago
Southwest Airlines
Tue, Jan 20 - Mon, Feb 2
PHX
Phoenix
BOI
Boise
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Phoenix to Boise, returning Mon, Feb 2, priced at $164 found 3 days ago

Find the cheapest month to fly from Phoenix (PHX) to Boise (BOI)

August is typically the cheapest month to fly

From $91 - $198 per traveler.

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $247
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $247

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI) cost?
Grab a cheap one-way flight from $79 or cheap return flight from $140 from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
Planning your getaway for October may help you find better deals, as it's the cheapest month for flights between PHX and BOI. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
Choose from 3 airlines that fly nonstop from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI). Including:

  • American Airlines
  • Southwest Airlines
  • Alaska Airlines

What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
Alaska Airlines and Southwest Airlines are some well-known airlines offering competitive fares. Remember that flight prices from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI) can vary based on demand, travel dates and how early you book. With Expedia's filter tool, you can easily find a PHX to BOI flight that matches your preferences and budget.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
With an average of 5 nonstop flights departing from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI) daily, you'll be up in the air in no time.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
The 2 PM departures from PHX to BOI see the highest demand. Prices can be higher for these popular slots. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from PHX to BOI?
Sunday has the most flights from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
Take the earliest flight at around 9:30AM UTC-7, leaving from Sky Harbor Intl. Airport (PHX). You'll be in the air for roughly 2h 10m, touching down at Boise Airport (BOI) at approximately 11:40AM UTC-7.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
It takes approximately 2 hours and 17 minutes to cover the 740 mi from PHX to BOI.
What airline has the least delays from PHX to BOI?
Alaska Airlines has the strongest track record for on-time direct flights from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI), with an on-time rating of 85%. Use the Expedia App to look up your flight schedule before you leave and get immediate updates about any changes.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
To avoid possible delays on the Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Boise from Sky Harbor Intl. Airport (PHX)?
Browse your flight options from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI). This is the only airport in Boise you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI) last-minute?
Last-minute bookings from PHX to BOI are typically more expensive. For the best prices, start looking for flights ahead of time. That said, if you're flexible with your travel plans, you may find a cheap ticket right before your journey.
Is it cheaper to book a PHX to BOI flight and hotel package?
You'll generally save money by booking a PHX to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI)?
It's generally possible to reschedule or cancel your PHX to BOI flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$140
Distance
735 mi
Average flight time
3 hours 24 mins

Book with confidence

Book with confidence

Phoenix to Boise Flights

The cheapest times to fly from Phoenix to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Boise are during the month of October. You can find some of the cheapest flights from Phoenix to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Boise

Sunday is one of the best days to book for cheap flights from Phoenix to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Boise Flights

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Explore a world of travel with Expedia

*Available to One Key members.