Flights to San Francisco (SFO)

Find cheap flights to San Francisco (SFO). BookingTrolley compares fares from 30+ origin cities and surfaces the cheapest way to reach San Francisco.

Popular domestic departures to San Francisco

Popular international departures to San Francisco

About flights to San Francisco

BookingTrolley compares fares to San Francisco (SFO) from 30+ departure cities, so you can find the cheapest origin for your trip, United States.

Common domestic origins include Los Angeles, Las Vegas, San Diego, while frequent international gateways into San Francisco include Vancouver, Monterrey, Guadalajara. Fares vary by origin, season and how far ahead you book.

Airlines serving San Francisco include United Airlines, American Airlines, Delta Air Lines and Alaska Airlines. BookingTrolley compares their fares against other carriers on each route into SFO, so you can balance price with flight time, stops and baggage.

Frequently asked questions about flights to San Francisco

Where can I fly to San Francisco (SFO) from?
You can reach San Francisco from 30+ origin cities tracked by BookingTrolley, including domestic departures such as Los Angeles, Las Vegas, San Diego and international gateways like Vancouver, Monterrey, Guadalajara.
Which airlines fly to San Francisco?
Airlines serving San Francisco (SFO) include United Airlines, American Airlines, Delta Air Lines and Alaska Airlines, among others. BookingTrolley compares their fares against other carriers on each route into San Francisco.
How do I find the cheapest flights to San Francisco?
To find the cheapest flights to San Francisco, compare several departure cities, stay flexible on dates, and check routes such as Vancouver to San Francisco. BookingTrolley surfaces the lowest live fare for each origin so you can choose the cheapest way to reach San Francisco.
When is the cheapest time to fly to San Francisco?
Shoulder-season travel and mid-week arrivals into San Francisco usually cost less than peak holidays and weekends. BookingTrolley tracks fares into SFO so you can time your booking for the best value.
Are there direct flights to San Francisco?
Nearby routes into San Francisco, such as Los Angeles to San Francisco, are often nonstop, while long-haul arrivals like Vancouver to San Francisco may connect via a hub depending on the carrier. Compare nonstop and one-stop options on BookingTrolley to find the cheapest way into San Francisco.

Flying out of San Francisco instead?