1. Purchase a Priority Pass to get Lounge Access on Priority.
2. Use a Credit Card with Airport Lounge Access to get Lounge Access.
3. Purchase a One-Day Lounge Pass, this could help you if you do not travel usually.
4. Purchase an Annual Airport Lounge Membership if you are a regular traveler.
5. Reach Elite Status with an Airline could help you to get free access if you travel exclusively with one airline.
6. Pay for Public Lounge Access if you do not want to purchase the pass.
7. As a Guest of Someone with Lounge Access if you are traveling with your friend who has lounge access.