Penang International Airport Plaza Premium Lounge. The Airport Plaza Premium Lounge is a great place to relax before your departure from Penang International Airport. Whether you’re catching your next flight from the domestic or international departure terminal, you’ll find comfortable seating, refreshing showers with amenities, plus complimentary food, beverages and high-speed wireless internet. Take a seat while you read a newspaper or magazine, or watch international TV. Three options are available to give you flexibility for the length of time you need. Book with us and Save 22% Off Penang International Airport Plaza Premium Lounge.