San Francisco International Airport (SFO) offers several lounges where travelers can relax, enjoy amenities, and escape the hustle and bustle of the terminal. Some of these lounges give access to mostly premium cabin passengers, while others are exclusive to frequent flyers. A few of these lounges also offer day passes or accept Priority Passes. If you are a frequent traveler with a Priority Pass membership, you will have a comfortable place to relax, work, or enjoy refreshments at SFOs lounges while waiting for the flight. This article will be a brief guide to the lounges at SFO.