£50 Cheap Flights from Boise (BOI) to Phoenix (PHX)

View £50 flight on Tue, 28 Oct 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Sky Harbor International Airport (PHX)

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

Prices were available within the past 7 days and start at £50 for one-way flights and £111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 7 Dec - Tue, 16 Dec
BOI
Boise
PHX
Phoenix
£111 Return, found 4 hours ago
£111
Return
found 4 hours ago
Select Alaska Airlines flight, departing Sun, 7 Dec from Boise to Phoenix, returning Tue, 16 Dec, priced at £111 found 4 hours ago
Hawaiian Airlines
Mon, 8 Dec - Tue, 16 Dec
BOI
Boise
PHX
Phoenix
£117 Return, found 5 hours ago
£117
Return
found 5 hours ago
Select Hawaiian Airlines flight, departing Mon, 8 Dec from Boise to Phoenix, returning Tue, 16 Dec, priced at £117 found 5 hours ago
Delta
Wed, 3 Dec - Tue, 16 Dec
BOI
Boise
PHX
Phoenix
£118 Return, found 4 hours ago
£118
Return
found 4 hours ago
Select Delta flight, departing Wed, 3 Dec from Boise to Phoenix, returning Tue, 16 Dec, priced at £118 found 4 hours ago
Hawaiian Airlines
Mon, 8 Dec - Sat, 13 Dec
BOI
Boise
PHX
Phoenix
£125 Return, found 5 hours ago
£125
Return
found 5 hours ago
Select Hawaiian Airlines flight, departing Mon, 8 Dec from Boise to Phoenix, returning Sat, 13 Dec, priced at £125 found 5 hours ago
Hawaiian Airlines
Sat, 13 Dec - Tue, 16 Dec
BOI
Boise
PHX
Phoenix
£129 Return, found 5 hours ago
£129
Return
found 5 hours ago
Select Hawaiian Airlines flight, departing Sat, 13 Dec from Boise to Phoenix, returning Tue, 16 Dec, priced at £129 found 5 hours ago
Delta
Tue, 16 Dec - Sat, 3 Jan
BOI
Boise
PHX
Phoenix
£133 Return, found 4 hours ago
£133
Return
found 4 hours ago
Select Delta flight, departing Tue, 16 Dec from Boise to Phoenix, returning Sat, 3 Jan, priced at £133 found 4 hours ago
Hawaiian Airlines
Tue, 6 Jan - Wed, 21 Jan
BOI
Boise
PHX
Phoenix
£134 Return, found 4 hours ago
£134
Return
found 4 hours ago
Select Hawaiian Airlines flight, departing Tue, 6 Jan from Boise to Phoenix, returning Wed, 21 Jan, priced at £134 found 4 hours ago
Hawaiian Airlines
Sun, 14 Dec - Mon, 15 Dec
BOI
Boise
PHX
Phoenix
£140 Return, found 5 hours ago
£140
Return
found 5 hours ago
Select Hawaiian Airlines flight, departing Sun, 14 Dec from Boise to Phoenix, returning Mon, 15 Dec, priced at £140 found 5 hours ago
American Airlines
Fri, 5 Dec - Tue, 16 Dec
BOI
Boise
PHX
Phoenix
£155 Return, found 4 hours ago
£155
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 5 Dec from Boise to Phoenix, returning Tue, 16 Dec, priced at £155 found 4 hours ago
United
Fri, 12 Dec - Sun, 14 Dec
BOI
Boise
PHX
Phoenix
£199 Return, found 5 hours ago
£199
Return
found 5 hours ago
Select United flight, departing Fri, 12 Dec from Boise to Phoenix, returning Sun, 14 Dec, priced at £199 found 5 hours ago

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

September is typically the cheapest month to fly

From £65 - £130 per traveller.

Graph displaying average flight prices per month

Flight from Boise to Phoenix route information
Origin airport
Boise
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£110
Distance
1177 km
Average flight time
1 hour 10 mins

Compare flights from Boise to Phoenix easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boise to Phoenix. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Sky Harbor Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Boise to Sky Harbor Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Boise (BOI) to Sky Harbor Intl. (PHX)

The easiest way to view the best deals on flights from Boise to Phoenix today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Boise to Sky Harbor Intl. start at just £111 and range up to £199.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boise and Phoenix
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boise to Phoenix flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Boise to Sky Harbor Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Boise Airport (BOI) to PHX?
Round-trip tickets from Boise Airport (BOI) to Phoenix Sky Harbour Airport start from £111. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOI to Phoenix Sky Harbour Airport?
Most flights can be cancelled online, but whether you incur a fee depends on your airline. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from BOI to Phoenix Sky Harbour Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Boise Airport (BOI) to PHX flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Boise Airport to Phoenix Sky Harbour Intl. Airport?
That movie you've been wanting to see will just have to wait — the flight distance between Boise Airport and Sky Harbour Intl. Airport (PHX) is only 1,200 kilometres. The captain will be telling you to buckle up for landing before you know it.
Which airlines fly direct from Boise Airport to Phoenix Sky Harbour Intl. Airport?
There are a few airlines that fly from Boise Airport (BOI) to Phoenix Sky Harbour Intl. Airport. American Airlines (AA) is an excellent choice, offering 69 services on this route each month. If you want more options, check out the fares from Southwest Airlines (WN). This airlines operates 56 monthly flights between these airports.
Are Boise Airport (BOI) to Sky Harbour Intl. Airport (PHX) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from BOI to Phoenix Sky Harbour Intl. Airport are available up to 12 months prior to departure on Expedia. And although you may nab great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options — and you can avoid ending up with the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials.

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