When traveling to or from San Francisco's world renown SFO Airport, you should be aware of the many options for airlines. Depending on your budget, time slot, and service level wanted -- you can get everything from deals under $100 to lavish in-flight first-class service from top consumer-loved airlines such as Singapore Airlines. While this list was up to date when published - the airline industry is constantly changing. We encourage use of comparative booking online engines including Expedia - that allow you to sort every available flight option. Don't forget to book an airport shuttle to make your departure or arrival to the busy airport smooth and easy.