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

Flights overview

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

Cheapest round-trip flights	$172	Southwest Nonstop 3 hr Sat, May 9 — Sun, May 10	The cheapest round-trip flight from Boise to Phoenix is currently $172
Cheapest one-way flight	$62	Allegiant Nonstop 3 hr Mon, Mar 30	The cheapest one-way flight from Boise to Phoenix is currently $62
Cheapest nonstop flights	$172	Southwest Nonstop 3 hr Sat, Apr 4 — Sun, Apr 5	The cheapest nonstop round-trip flight from Boise to Phoenix is currently $172
Last-minute weekend getaway	$392	Frontier 1 stop 21 hr Thu, Mar 12 — Sun, Mar 15	The cheapest last-minute weekend getaway from Boise to Phoenix is currently $392
Cheapest business class flights	$437	Alaska Nonstop 3 hr Sat, May 9 — Sun, May 10	The cheapest business class round-trip flight from Boise to Phoenix is currently $437

Fastest flight	2 hr 5 min	The fastest nonstop flight from Boise to Phoenix takes 2 hr 5 min
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 Boise to Phoenix is typically August. The most expensive month to fly is typically March.

August Cheapest	Typical prices: $100–260
March Most expensive	Typical prices: $195–465

Popular airlines from Boise to Phoenix

Southwest

Nonstop

from $172

Typical price: $165–345

14 weekly nonstop flights

BOI - PHX Every day

466 weekly connecting flights

BOI - PHX Every day
American

Nonstop

from $210

Typical price: $190–405

21 weekly nonstop flights

BOI - PHX Every day

42 weekly connecting flights

BOI - PHX Every day
Alaska

Nonstop

from $207

Typical price: $175–390

12 weekly nonstop flights

BOI - PHX Every day

228 weekly connecting flights

BOI - PHX Every day
Delta

from $192

Typical price: $175–460

192 weekly connecting flights

BOI - PHX Every day
United

from $217

Typical price: $215–430

190 weekly connecting flights

BOI - PHX Every day
Allegiant

Nonstop

from $187

Typical price: $85–210

2 weekly nonstop flights

BOI - AZA Every Mon, Fri

Popular airports near Boise

Boise Airport (BOI)

Boise United States 16 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

Popular airports near Phoenix

Phoenix Sky Harbor International Airport (PHX)

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

Phoenix United States 41 min 25 mi
Tucson International Airport (TUS)

Tucson United States 1 hr 53 min 112 mi
Scottsdale Airport (SCF)

Phoenix United States 31 min 15 mi

Frequently asked questions about flying from Boise to Phoenix

The cheapest flights from Boise to Phoenix are usually in August. Typical ticket prices in August range from $100 to $260.

The cheapest round-trip flight from Boise to Phoenix recently found on Google Flights was with Southwest from $172. The cheapest one-way flight was with Allegiant from $62.

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

The cheapest Southwest flight from Boise to Phoenix is $172, flying from May 9 to May 10.
The cheapest American flight from Boise to Phoenix is $210, flying from May 9 to May 11.
The cheapest Alaska flight from Boise to Phoenix is $207, flying from May 9 to May 10.
The cheapest Delta flight from Boise to Phoenix is $192, flying from May 9 to May 11.
The cheapest United flight from Boise to Phoenix is $217, flying from May 8 to May 11.
The cheapest Allegiant flight from Boise to Phoenix is $187, flying from Apr 3 to Apr 6.

The cheapest round-trip flight from Boise to Phoenix starts at $172 from Sat, May 9 to Sun, May 10. The cheapest one-way flight starts at $62 and departs on Mon, Mar 30.

2 hr 5 min is the shortest flight time from Boise to Phoenix.

Most visitors arrive Dec–May, when the weather is warm and dry. Summers (May–Sep) are very hot. Local events include the Phoenix Open professional golf tournament (late Jan–early Feb), the Arizona State Fair (Oct) and the Arizona National Livestock Show (Dec).

It's easy to use Google Flights to find the cheapest days to fly from Boise to Phoenix.
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 Boise to Phoenix 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 Boise to Phoenix.

In terms of nonstop flights, American is the most popular. American offers 21 nonstop flights and 42 connecting flights per week. American flies from Boise Airport (BOI) to Phoenix Sky Harbor International Airport (PHX) .

In terms of flights, Southwest is the most popular. Southwest offers 14 nonstop flights and 466 connecting flights per week. Southwest flies from Boise Airport (BOI) to Phoenix Sky Harbor International Airport (PHX) .

Other popular airlines flying from Boise to Phoenix are:

Alaska offers 12 nonstop flights and 228 connecting flights per week. Alaska flies from Boise Airport (BOI) to Phoenix Sky Harbor International Airport (PHX) .
Delta offers 192 connecting flights per week. Delta flies from Boise Airport (BOI) to Phoenix Sky Harbor International Airport (PHX) .
United offers 190 connecting flights per week. United flies from Boise Airport (BOI) to Phoenix Sky Harbor International Airport (PHX) .
Allegiant offers 2 nonstop flights per week. Allegiant flies from Boise Airport (BOI) to Mesa Gateway Airport (AZA) .

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

The cheapest round-trip flight from Boise to Phoenix recently found on Google Flights was with Southwest from $172. The cheapest one-way flight was with Allegiant from $62.

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

The cheapest Southwest flight from Boise to Phoenix is $172, flying from May 9 to May 10.
The cheapest American flight from Boise to Phoenix is $210, flying from May 9 to May 11.
The cheapest Alaska flight from Boise to Phoenix is $207, flying from May 9 to May 10.
The cheapest Delta flight from Boise to Phoenix is $192, flying from May 9 to May 11.
The cheapest United flight from Boise to Phoenix is $217, flying from May 8 to May 11.
The cheapest Allegiant flight from Boise to Phoenix is $187, flying from Apr 3 to Apr 6.

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

There are 14 Southwest direct flights from Boise to Phoenix per week. Flights are available every day.
There are 21 American direct flights from Boise to Phoenix per week. Flights are available every day.
There are 12 Alaska direct flights from Boise to Phoenix per week. Flights are available every day.
There are 2 Allegiant direct flights from Boise to Phoenix per week. Flights are available on Monday and Friday.

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

The cheapest last-minute deal between Boise and Phoenix at price $392 is offered by Frontier from Thu, Mar 12 to Sun, Mar 15.

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

There are 14 Southwest direct flights from Boise to Phoenix per week. Flights are available every day.
There are 21 American direct flights from Boise to Phoenix per week. Flights are available every day.
There are 12 Alaska direct flights from Boise to Phoenix per week. Flights are available every day.
There are 2 Allegiant direct flights from Boise to Phoenix per week. Flights are available on Monday and Friday.

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

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

The cheapest direct (nonstop) round-trip flights between Boise and Phoenix start at $172 from Sat, Apr 4 to Sun, Apr 5 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Boise to Phoenix, 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 Boise and Phoenix start at $437 from Sat, May 9 to Sun, May 10 with Alaska.

The cheapest economy class round-trip flights between Boise and Phoenix start at $172 from Sat, May 9 to Sun, May 10.

To book business class trips from Boise to Phoenix, 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 Boise and Phoenix starts at $392 from Thu, Mar 12 to Sun, Mar 15 with Frontier.

The cheapest last-minute deal between Boise and Phoenix at price $392 is offered by Frontier from Thu, Mar 12 to Sun, Mar 15.

To find last-minute flight deals from Boise to Phoenix, 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.