About San Francisco International Airport (SFO)
San Francisco International Airport is an airport gateway associated with San Francisco, California, United States. Use the code SFO to distinguish the airport in flight searches and final itineraries. The ICAO code shown in the current guide data is KSFO.
This page focuses on useful planning context rather than fragile statistics. Passenger totals, route counts, terminal assignments, airline schedules and seasonal services can change, so current search results and the operating airline should be checked before travel.
Cheap flights to San Francisco (SFO), United States
Search cheap flights to SFO when San Francisco is your destination. Compare several departure airports and nearby travel dates when possible because fare inventory can change by flight, cabin, connection and booking conditions. For a metropolitan area with more than one airport, confirm that the itinerary actually lands at SFO before you pay.
“Cheap” or “discount” airfare should be judged by the complete trip, not only the first headline price. Compare checked and carry-on baggage, seat selection, airport-transfer cost, connection time, schedule quality and change/cancellation rules. A slightly higher fare can sometimes be better value if it arrives at the airport closest to your meeting, hotel, cruise, event or attraction.
Discount flights from San Francisco (SFO), United States
For outbound travel, enter SFO as the departure airport to compare discount flights from SFO. The live search can surface different schedules, connections and fare families as airline inventory changes. If your trip is flexible, compare nearby dates and, where practical, alternate airports around San Francisco.
Before selecting a departure, allow enough time for ground transportation, check-in, security, immigration where applicable, and any terminal transfer. Early departures and late arrivals can make airport-adjacent hotels or reliable pre-booked transport especially useful.
SFO IATA code, San Francisco and United States
| IATA code | SFO |
|---|---|
| ICAO code | KSFO |
| Airport / gateway | San Francisco International Airport |
| City | San Francisco |
| State / region | California (CA) |
| Country | United States |
| Guide updated | August 2026 |
The three-letter IATA code is the practical code most travelers see on tickets, baggage tags, booking engines and airport displays. Always compare the airport code on each segment—especially when a city has multiple commercial airports.
Airlines, hubs and route planning at SFO
Major airline brands with hub, base, focus-city or strong network context associated with this airport include the following. Airline roles and schedules can change, so treat this as planning context rather than a complete real-time carrier list.
Airline network references are intentionally not presented as an exhaustive live timetable. Codeshares, seasonal service and operating carriers can change.
Popular points of interest and areas around San Francisco
Travelers often choose an airport based on what they need to reach after landing. For San Francisco, useful hotel and ground-transport searches may include the city center, business districts, convention venues, universities, stadiums, visitor attractions and exact street addresses.
For hotels close to an exact attraction, airport, meeting venue or address, use ConnectedTrip Hotels Near Me. It lets you select a specific place and then check nearby hotel availability for your dates.
From SFO to San Francisco: plan the full transfer
Ground transportation can materially change the value of an airfare. Compare the airport’s distance from your final destination with rail, metro, bus, taxi, rideshare, rental-car and private-transfer options available for your arrival time. Late-night or early-morning schedules may have fewer public-transport choices, while business travelers may value a predictable direct transfer even when it costs more.
If you are connecting to a cruise, conference, sports event or rail trip, build in enough time for baggage collection and possible immigration/customs processing. For self-connected tickets, verify whether you must collect and re-check baggage.
Business travel, meetings and bleisure trips via SFO
For corporate travel, compare flight times against meeting schedules and the location of offices, convention centers and client sites. An airport with a slightly higher fare may still reduce total trip cost if it shortens transfers or avoids an overnight connection. For bleisure travel, consider whether the same airport is convenient for both the business district and the attractions you plan to visit before or after work.
Search flights with DiscountFlights.com, continue flight results through ConnectedTrip, and compare hotel options with BusinessHotels.com or the BusinessHotels AI Hotel Finder.
Nearby and alternate airports to compare with SFO
Alternate airports can change fare, schedule and transfer options. Compare the total journey before switching airports: a lower airfare can be offset by a longer transfer, overnight stay, parking difference or difficult connection.
City flight guides connected to SFO
The airport code SFO is connected with the following DiscountFlights city guides. Use them for city-specific airport choices, IATA strategy, attractions and practical airfare planning.
Hotels near SFO and San Francisco
Once you have compared airfare, match the hotel to the same arrival airport and trip purpose. BusinessHotels.com can be used for hotel search and live-rate comparison. ConnectedTrip Hotels Near Me is useful when proximity to SFO, a convention center, office, stadium, hospital, attraction or exact address matters.
For an overnight airport stay, compare shuttle schedules, terminal transfer time, breakfast hours, parking and cancellation terms—not only the room rate.