Major international hub · San Francisco, California
San Francisco International Airport (SFO)
A hub for United Airlines and Alaska Airlines. Compare flights from and to SFO, see which airlines fly nonstop, and find the cheapest month to travel.
SFO at a glance
- IATA / ICAO
- SFO / KSFO
- City
- San Francisco, California
- Time zone
- America/Los Angeles (UTC−7)
- Airport size
- Major international hub
- Coordinates
- 37.621, -122.379
- Metro area
- San Francisco Bay Area (all airports)
Popular routes from SFO
- San Francisco to New YorkSFO → JFKfrom $238
- San Francisco to ChicagoSFO → ORDfrom $159
- San Francisco to Los AngelesSFO → LAXfrom $63
- San Francisco to SeattleSFO → SEAfrom $80
- San Francisco to HonoluluSFO → HNLfrom $244
- San Francisco to VancouverSFO → YVRfrom $105
- San Francisco to LondonSFO → LHR
- San Francisco to ParisSFO → CDG
- San Francisco to TokyoSFO → NRT
Popular routes to SFO
- New York to San FranciscoJFK → SFO
- Chicago to San FranciscoORD → SFO
- Los Angeles to San FranciscoLAX → SFO
- Seattle to San FranciscoSEA → SFO
- Honolulu to San FranciscoHNL → SFO
- Vancouver to San FranciscoYVR → SFO
- London to San FranciscoLHR → SFO
- Paris to San FranciscoCDG → SFO
- Tokyo to San FranciscoNRT → SFO
Airlines at SFO
Hub airlines first, then carriers with nonstop routes from this airport.
- UAUnited AirlinesHub airline
- ASAlaska AirlinesHub airline
- AAAmerican AirlinesNonstop routes
- DLDelta Air LinesNonstop routes
- B6JetBlueNonstop routes
- F9Frontier AirlinesLow-cost carrier
- WNSouthwest AirlinesLow-cost carrier
- NKSpirit AirlinesLow-cost carrier
- MXBreeze AirwaysLow-cost carrier
- HAHawaiian AirlinesNonstop routes
- G4Allegiant AirLow-cost carrier
- SYSun Country AirlinesLow-cost carrier
- ACAir CanadaNonstop routes
- WSWestJetNonstop routes
- BABritish AirwaysNonstop routes
- VSVirgin AtlanticNonstop routes
Other San Francisco-area airports
Destination guide
San Francisco: Fog, hills and the Golden Gate
San Francisco packs cable cars, the Golden Gate Bridge, Alcatraz and world-class food into 49 square miles. SFO is the main gateway; Oakland and San Jose are handy alternatives with lower fares on many routes.
Flying into SFO?
See every airline and fare to San Francisco from your home airport.
Flights to San FranciscoSFO: common questions
Which airlines fly from SFO?
United Airlines, Alaska Airlines, American Airlines, Delta Air Lines and JetBlue and others serve San Francisco International Airport. United Airlines and Alaska Airlines use SFO as a hub, so expect the widest choice of nonstop routes from them.
Is SFO a hub airport?
Yes — San Francisco International Airport is a hub or focus city for United Airlines and Alaska Airlines, which means frequent departures and many connecting itineraries pass through it.
How early should I arrive at SFO?
Plan on two hours before a domestic departure and three hours before an international one — security lines at large airports like SFO can stretch to 30 minutes or more at peak times. TSA PreCheck or CLEAR typically saves 15–30 minutes.
What other airports are near San Francisco?
Oakland San Francisco Bay Airport (OAK) and San Jose Mineta International Airport (SJC) also serve the San Francisco area. Fares can differ by $50 or more between them, so compare all of them — our search shows every airport by name.