Airport lounges are available for a set fee or you can get a discounted fee if you are a member of Priority Pass. For example, if you have a connecting flight in Miami, using Club America F on Concourse F pre-security area or Club America J on Concourse J post-security area is $54 per person.
A Priority Standard Pass membership will get you a discounted rate of $27 per person. Priority Pass is the world's largest independent airport lounge access program with over 600 airport lounges in 300 cities and more than 100 countries. Membership is only available for travelers 18 years and older and some lounges will only grant access to travelers over 21.
If you are a frequent air traveler, it is better to get Prestige Membership where you pay $399 per year and visit all airport lounges in participating airports for free. Find out more here.
Here are some of the benefits of airport lounges (Source: Priority Pass)
• Usages of conference rooms
• Complimentary newspapers and magazines
• Comfort, space and quiet area to work, prepare for your activities ahead or stay in touch
• Complimentary drinks and snacks
• Showers, beds and more