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

Flights overview

Useful information for finding cheap flights from Phoenix to Boise and booking your next trip

Cheapest round-trip flights	$180	Frontier 1 stop 7 hr Thu, Jun 4 — Sun, Jun 7	The cheapest round-trip flight from Phoenix to Boise is currently $180
Cheapest one-way flight	$90	Frontier 1 stop 7 hr Thu, Jun 4	The cheapest one-way flight from Phoenix to Boise is currently $90
Cheapest nonstop flights	$227	Alaska Nonstop 3 hr Sat, May 30 — Sun, May 31	The cheapest nonstop round-trip flight from Phoenix to Boise is currently $227
Last-minute weekend getaway	$377	Frontier 1 stop 17 hr Sat, May 9 — Mon, May 11	The cheapest last-minute weekend getaway from Phoenix to Boise is currently $377
Cheapest business class flights	$428	Frontier 1 stop 7 hr Thu, Jun 4 — Sun, Jun 7	The cheapest business class round-trip flight from Phoenix to Boise is currently $428

Fastest flight	2 hr	The fastest nonstop flight from Phoenix to Boise takes 2 hr
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Phoenix to Boise is typically August. The most expensive month to fly is typically May.

August Cheapest	Typical prices: $125–260
May Most expensive	Typical prices: $185–285

Popular airlines from Phoenix to Boise

Southwest

Nonstop

from $227

Typical price: $165–355

15 weekly nonstop flights

PHX - BOI Every day

916 weekly connecting flights

PHX - BOI Every day
American

Nonstop

from $252

Typical price: $195–420

20 weekly nonstop flights

PHX - BOI Every day

55 weekly connecting flights

PHX - BOI Every day
Alaska

Nonstop

from $227

Typical price: $180–395

7 weekly nonstop flights

PHX - BOI Every day

290 weekly connecting flights

PHX - BOI Every day
Delta

from $247

Typical price: $175–470

219 weekly connecting flights

PHX - BOI Every day
United

from $269

Typical price: $230–465

206 weekly connecting flights

PHX - BOI Every day
Frontier

from $180

Typical price: $175–425

12 weekly connecting flights

PHX - BOI Every Tue, Wed, Thu, Fri

Popular airports near Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix United States 12 min 3 mi
Mesa Gateway Airport (AZA)

Phoenix United States 25 mi
Tucson International Airport (TUS)

Tucson United States 1 hr 54 min 112 mi
Scottsdale Airport (SCF)

Phoenix United States 31 min 15 mi

Popular airports near Boise

Boise Airport (BOI)

Boise United States 19 min 3 mi
Friedman Memorial Airport (SUN) (SUN)

Sun Valley United States 2 hr 16 min 96 mi
Magic Valley Regional Airport (TWF)

Twin Falls United States 2 hr 9 min 116 mi
Pocatello Regional Airport (PIH)

Pocatello United States 3 hr 16 min 188 mi

Frequently asked questions about flying from Phoenix to Boise

The cheapest flights from Phoenix to Boise are usually in August. Typical ticket prices in August range from $125 to $260.

The cheapest round-trip flight from Phoenix to Boise recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $90.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Phoenix to Boise is $227, flying from May 30 to Jun 1.
The cheapest American flight from Phoenix to Boise is $252, flying from May 30 to Jun 1.
The cheapest Alaska flight from Phoenix to Boise is $227, flying from May 30 to May 31.
The cheapest Delta flight from Phoenix to Boise is $247, flying from Jun 6 to Jun 7.
The cheapest United flight from Phoenix to Boise is $269, flying from May 30 to Jun 1.
The cheapest Frontier flight from Phoenix to Boise is $180, flying from Jun 4 to Jun 7.

The cheapest round-trip flight from Phoenix to Boise starts at $180 from Thu, Jun 4 to Sun, Jun 7. The cheapest one-way flight starts at $90 and departs on Thu, Jun 4.

2 hr is the shortest flight time from Phoenix to Boise.

The most popular time to visit Boise is summer (Jun–Aug), when days are typically hot and dry. Temperatures can drop below freezing in winter (Nov–Feb). Big-name acts and local bands perform at the Boise Music Festival (Jun).

It's easy to use Google Flights to find the cheapest days to fly from Phoenix to Boise.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Phoenix to Boise really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Phoenix to Boise.

In terms of nonstop flights, American is the most popular. American offers 20 nonstop flights and 55 connecting flights per week. American flies from Phoenix Sky Harbor International Airport (PHX) to Boise Airport (BOI) .

In terms of flights, Southwest is the most popular. Southwest offers 15 nonstop flights and 916 connecting flights per week. Southwest flies from Phoenix Sky Harbor International Airport (PHX) to Boise Airport (BOI) .

Other popular airlines flying from Phoenix to Boise are:

Alaska offers 7 nonstop flights and 290 connecting flights per week. Alaska flies from Phoenix Sky Harbor International Airport (PHX) to Boise Airport (BOI) .
Delta offers 219 connecting flights per week. Delta flies from Phoenix Sky Harbor International Airport (PHX) to Boise Airport (BOI) .
United offers 206 connecting flights per week. United flies from Phoenix Sky Harbor International Airport (PHX) to Boise Airport (BOI) .
Frontier offers 12 connecting flights per week. Frontier flies from Phoenix Sky Harbor International Airport (PHX) to Boise Airport (BOI) .

The number of connecting flights refers to distinct flights with at least one stop between Phoenix and Boise.

The cheapest round-trip flight from Phoenix to Boise recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $90.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Phoenix to Boise is $227, flying from May 30 to Jun 1.
The cheapest American flight from Phoenix to Boise is $252, flying from May 30 to Jun 1.
The cheapest Alaska flight from Phoenix to Boise is $227, flying from May 30 to May 31.
The cheapest Delta flight from Phoenix to Boise is $247, flying from Jun 6 to Jun 7.
The cheapest United flight from Phoenix to Boise is $269, flying from May 30 to Jun 1.
The cheapest Frontier flight from Phoenix to Boise is $180, flying from Jun 4 to Jun 7.

American, Southwest and Alaska fly direct from Phoenix to Boise.

There are 15 Southwest direct flights from Phoenix to Boise per week. Flights are available every day.
There are 20 American direct flights from Phoenix to Boise per week. Flights are available every day.
There are 7 Alaska direct flights from Phoenix to Boise per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Phoenix and Boise at price $377 is offered by Frontier from Sat, May 9 to Mon, May 11.

American, Southwest and Alaska fly direct from Phoenix to Boise.

There are 15 Southwest direct flights from Phoenix to Boise per week. Flights are available every day.
There are 20 American direct flights from Phoenix to Boise per week. Flights are available every day.
There are 7 Alaska direct flights from Phoenix to Boise per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Phoenix to Boise on a daily basis.

The cheapest direct (nonstop) round-trip flights between Phoenix and Boise start at $227 from Sat, May 30 to Sun, May 31 with Alaska.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Phoenix to Boise, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Phoenix and Boise start at $428 from Thu, Jun 4 to Sun, Jun 7 with Frontier.

The cheapest economy class round-trip flights between Phoenix and Boise start at $180 from Thu, Jun 4 to Sun, Jun 7.

To book business class trips from Phoenix to Boise, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Phoenix and Boise starts at $377 from Sat, May 9 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Phoenix and Boise at price $377 is offered by Frontier from Sat, May 9 to Mon, May 11.

To find last-minute flight deals from Phoenix to Boise, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.