About San Francisco International Airport (SFO)
San Francisco International Airport is a commercial airport serving San Francisco, United States. Its IATA code is SFO and its ICAO code is KSFO. This page was rebuilt for August 2026 using current airport-code and operating-status data rather than carrying forward old traffic totals, route counts or terminal details.
Cheap flights to San Francisco International Airport (SFO)
Search flights to San Francisco International Airport using airport code SFO. Comparing nearby dates, departure airports and connection points can reveal different fare and schedule combinations. Before paying, confirm that the itinerary arrives at SFO, especially in cities with more than one commercial airport.
Compare the full itinerary—not just the first fare shown. Baggage, seat selection, connection time, airport transfer requirements and the operating carrier can change the real value of a ticket.
Discount flights from San Francisco International Airport (SFO)
Use SFO as the departure airport when comparing discount flights from San Francisco International Airport. Flexible dates and different departure times may show different airline combinations or fare families.
For connecting itineraries, verify whether every segment is on one protected ticket. If the trip uses separate tickets or changes airports, allow enough time for baggage collection, immigration where applicable and ground transport.
San Francisco International Airport IATA code: SFO
The IATA airport code for San Francisco International Airport is SFO. Its ICAO code is KSFO. Use the IATA code when checking airfare searches, tickets, baggage tags and many airline reservation systems.
Airlines with major hub, base or network operations at SFO
San Francisco International Airport is strongly associated with the airline profiles below through hub, base or significant network operations. This is intentionally not presented as a complete live airline list, because airport schedules change by season.
For live service on your exact date, use the flight search above and confirm the operating carrier shown on the itinerary.
How to compare flights using airport code SFO
Search the exact airport code when the city has multiple airports, then compare the final itinerary carefully. A lower fare can come with a less convenient airport, longer ground transfer, tighter connection or different baggage rules.
After choosing a flight, confirm the airport code on every segment, the operating airline, terminal information close to departure, and whether baggage is checked through on connecting itineraries.
Stays near San Francisco
After comparing airfare, you can compare hotel options for the same destination and dates through BusinessHotels.com or its AI Hotel Finder.