Charles L. Williams Terminal
The single passenger terminal, open 24 hours a day, with ticketing, baggage claim, the TSA checkpoint and 11 gates. The airport was renamed Mesa Gateway Airport in December 2024.
Mesa Gateway Airport (IWA) terminal guide
Mesa, Arizona KIWA #104 US airport by passengers
How IWA is laid out and how to move between buildings.
Terminals at IWA
Concessions
First Jet Market, a coffee shop, Macayo's Mexican Food, O.H.S.O. Brewery, Panera Bread, Saguaro Mercantile and a Tripadvisor store are in the terminal, according to the airport's terminal page.
Family and help
Three MomDoc Charities Mother's Rooms for nursing and privacy, plus Aviator volunteers who help travelers find their way.
Moving between terminals
The airport has one terminal and one security checkpoint. Gates are all past that checkpoint, so you do not need to choose a concourse before screening.
Reviewed October 9, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
What is the airport code for Mesa Gateway?
The passenger IATA code is AZA. The FAA identifier is IWA, which this site uses in its page address. Confirm the code on your ticket before you book a transfer, because Phoenix Sky Harbor is a different airport with the code PHX.
Is there a lounge at Mesa Gateway?
No. The airport does not offer VIP lounges, Priority Pass clubs or airline clubs. The terminal has dining and shopping options, and it is open 24 hours a day.
How much does parking cost at Mesa Gateway?
Parking is $1 per half hour in all three lots. The Economy Lot costs $10 per day, with covered parking at $11 per day. The Daily Lot and Hourly Parking Lot have daily caps that the airport lists differently across its website and rate schedule, so check the rate at the paystation.