United States Β· 736 miles (1,185 km)

Boise (BOI) to Phoenix (PHX) flights

3 airlines fly nonstop from Boise (BOI) to Phoenix (PHX): Alaska Airlines, American Airlines and Southwest Airlines. The two airports are 736 miles (1,185 km) apart. Alaska Airlines and American Airlines are in oneworld. There are also 18 ways to fly it with one stop, through Las Vegas, Salt Lake City and Palm Springs and more.

Airlines flying nonstop from BOI to PHX

Book BOI to PHX with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

BOI to PHX with one stop

18 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    +1
  • Via Palm Springs (PSP)Alaska Airlines, then American Airlines
    Alaska Airlines logo
    American Airlines logo
  • Via Ontario (ONT)Alaska Airlines, then American Airlines and Southwest Airlines
    Alaska Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Burbank (BUR)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Santa Ana (SNA)Allegiant Air and Alaska Airlines, then American Airlines, Southwest Airlines and 1 more
    Allegiant Air logo
    Alaska Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Los Angeles (LAX)Delta Air Lines and Southwest Airlines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +2
  • Via San Diego (SAN)Alaska Airlines and Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • Via Sacramento (SMF)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via San Jose (SJC)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Bozeman (BZN)Alaska Airlines, then American Airlines
    Alaska Airlines logo
    American Airlines logo
  • Via Oakland (OAK)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via San Francisco (SFO)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via Santa Rosa (STS)Alaska Airlines the whole way
    Alaska Airlines logo
    American Airlines logo
    Alaska Airlines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
See all 18 in Routes

BOI to PHX: common questions

Which airlines fly nonstop from BOI to PHX?

Alaska Airlines (oneworld), American Airlines (oneworld) and Southwest Airlines fly nonstop from Boise (BOI) to Phoenix (PHX).

How far is Boise from Phoenix by plane?

Boise (BOI) and Phoenix (PHX) are 736 miles (1,185 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book BOI to PHX award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does BOI to PHX cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BOI to PHX with taxes and fees.

Where can I connect between Boise and Phoenix?

The most direct connections are through Las Vegas (LAS), Salt Lake City (SLC), Palm Springs (PSP), Ontario (ONT) and Burbank (BUR). On 13 of them the same airline flies both flights, for example Southwest Airlines through Las Vegas.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.