Terminal 3
Smaller of the two. Used by Delta, Frontier and several other airlines.
Phoenix Sky Harbor International Airport (PHX) terminal guide
Phoenix, Arizona KPHX #13 US airport by passengers
How PHX is laid out and how to move between buildings.
Terminals at PHX
Terminal 4
Large and busy. American Airlines, Southwest and many other airlines use it. International arrivals are handled here.
Moving between terminals
The PHX Sky Train is a free automated people mover that connects Terminal 3, Terminal 4, the Rental Car Center and the 44th Street/Washington light rail station. It is outside security. Terminal 3 and Terminal 4 are also linked by free shuttle buses.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
What happened to Terminal 2?
It closed in 2020. All flights now use Terminals 3 and 4.