{
  "response": {
    "Key": "US-SFO",
    "orig": {
      "code": "US",
      "type": "country",
      "country": "United States"
    },
    "dest": {
      "code": "SFO",
      "type": "airport",
      "city": "San Francisco",
      "fullCity": "San Francisco, California",
      "airport": "San Francisco Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "From which cities in United States can I fly to San Francisco?",
        "answer": "You can fly nonstop to San Francisco from 80 US cities, with the busiest gateways including Los Angeles (over 700 weekly flights), San Diego, Seattle, New York, Chicago, Denver, Phoenix, Santa Ana, Las Vegas, and Boston. From the West Coast, flights are short — around 90 minutes from Los Angeles or Santa Ana — while transcontinental routes from New York or Boston take roughly six and a half hours. Most major US carriers serve the route, offering frequent daily departures and plenty of red-eye options from the East Coast and Midwest. Travelers typically choose their departure city based on proximity and flight frequency: those near a major hub enjoy the most nonstop choices, while passengers from smaller markets often connect through hubs like Denver, Chicago, or Dallas.",
        "methodology": "The U.S. departure cities with nonstop service to this destination and their weekly frequencies come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We identify every U.S. airport with scheduled nonstop service, group airports into their metropolitan areas, and rank cities by scheduled weekly departures.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q1": {
        "question": "How long is the flight from United States to San Francisco?",
        "answer": "Nonstop flights to San Francisco from major U.S. cities are quick: Los Angeles takes about 1.5 hours, New York around 6.5 hours, and Chicago roughly 4.75 hours. From other cities without nonstop service, a typical one-stop flight adds 2–4 hours depending on the connection, though actual times vary by routing.",
        "methodology": "Flight times from each U.S. departure city come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI); the typical time is the median scheduled duration of that city's nonstop services to this destination.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q2": {
        "question": "Are there direct flights from United States to San Francisco?",
        "answer": "Yes, there are extensive non-stop flights from across the United States to San Francisco. Major non-stop city pairs include Los Angeles (LAX) to San Francisco with over 700 weekly flights on airlines like Southwest, United, Delta, Alaska, American, and Frontier; New York (JFK) to San Francisco with about 440 weekly flights on United, Alaska, American, JetBlue, and Delta; and Chicago (ORD) to San Francisco with around 389 weekly flights on Southwest, United, American, and Alaska. In total, 80 U.S. cities have non-stop service, ranging from short hops like Santa Ana (about 90 minutes) to longer transcontinental flights from Boston and Washington (around 6.5 hours).",
        "methodology": "Nonstop service is identified from the scheduled operating flights in our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI); a destination with no scheduled nonstop from the United States is reported as having none.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q3": {
        "question": "Which cities in United States are usually cheapest or easiest for flying to San Francisco?",
        "answer": "San Francisco is a major United hub, so Denver, Chicago O'Hare, and Houston Bush are key gateways with frequent, often cheaper flights. Delta offers competitive options via Salt Lake City. From smaller cities, connecting through one of these hubs is standard."
      },
      "q4": {
        "question": "Which airlines fly from United States to San Francisco?",
        "answer": "United, Delta, American, Southwest, Alaska, JetBlue, Spirit, and Frontier fly nonstop to SFO from many US cities. United, Delta, and American are in Star Alliance, SkyTeam, and oneworld respectively, while Alaska partners with oneworld.",
        "methodology": "Airlines are the operating carriers scheduled on nonstop services from each U.S. departure city, taken from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI).",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q5": {
        "question": "When is the cheapest time to fly from United States to San Francisco?",
        "answer": "The cheapest months to fly to San Francisco are usually January and February, with midweek flights on Tuesdays and Wednesdays often costing less. Book around 3-4 weeks ahead for domestic trips, avoiding summer and major holidays like Thanksgiving and Christmas when prices rise."
      },
      "q6": {
        "question": "How far in advance should I book flights from United States to San Francisco?",
        "answer": "For flights from the United States to San Francisco, book 3 to 6 weeks ahead for the best balance of price and choice, but aim for 8 to 10 weeks if traveling around major holidays like Thanksgiving or Christmas or during summer school breaks when demand spikes."
      },
      "q8": {
        "question": "What is the baggage allowance on flights from United States to San Francisco?",
        "answer": "This is a domestic US route, so international allowances do not apply. Most mainline carriers charge for checked bags in economy, with basic economy often excluding full-size carry-ons. Southwest includes two checked bags. Premium cabins include at least two checked bags."
      },
      "q9": {
        "question": "Are overnight or red eye flights available from United States to San Francisco?",
        "answer": "Yes, overnight and red-eye flights to San Francisco are common from many US cities. Most major gateways like New York, Chicago, Atlanta, and Dallas offer late-night departures that arrive in San Francisco the next morning, allowing travelers to maximize their evening and avoid a full day of travel. Shorter routes from the West Coast, such as Los Angeles or Seattle, also have red-eye options, though the flights are brief enough that some may land late the same evening. Travelers often prefer these flights to save on a hotel night and arrive ready for a full day.",
        "methodology": "Red-eye availability is flagged from the scheduled local departure and arrival times in our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI), marking services that leave late at night and arrive the following morning.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q10": {
        "question": "What time of day is usually cheapest for flights from United States to San Francisco?",
        "answer": "Flights from the United States to San Francisco are often cheapest when departing in the early morning or late evening, as these off-peak times see lower demand. Afternoon departures tend to be pricier. These patterns can shift depending on the day of the week and season, with midweek and off-peak travel periods generally offering better value."
      },
      "q11": {
        "question": "Which airport will I arrive at and how do I get from San Francisco Intl Airport to downtown San Francisco?",
        "answer": "Flights to San Francisco typically arrive at San Francisco International Airport (SFO), the region's primary airport located about 12 miles southeast of downtown. The fastest public transit option is BART, a rapid rail service that connects directly from the airport's International Terminal to downtown San Francisco in roughly 30 minutes. Ride-sharing services like Lyft and Uber pick up on Level 5 of the Domestic Garage, while taxis are available at the arrivals curbside; both offer door-to-door service with travel times varying by traffic. SamTrans buses and hotel shuttles provide additional options, and the AirTrain links all terminals to the BART station and Rental Car Center.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flysfo.com/passengers/ground-transportation",
            "title": "Ground Transportation | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-04-08T21:19:40Z"
          },
          {
            "url": "https://flysfo.com/de/node/10188",
            "title": "Ground Transportation | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-04-08T21:19:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/SFO",
            "title": "San Francisco International Airport",
            "time_published": "2026-04-27T05:13:36Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/San_Francisco_International_Airport",
            "title": "San Francisco International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-18T07:52:09Z"
          },
          {
            "url": "https://www.flysfo.com/pt-br",
            "title": "Home Page | San Francisco International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q12": {
        "question": "Which cabin and seat options are typical on flights from United States to San Francisco?",
        "answer": "Domestic flights to San Francisco typically offer economy and a domestic first class with larger seats, while premium economy and lie-flat business class appear only on select transcontinental routes."
      },
      "q13": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport (SFO) has the Grand Hyatt at SFO, an on-site hotel connected to all terminals via the AirTrain, so no shuttle is needed. For additional options, nearby hotels like the San Francisco Airport Marriott Waterfront and The Westin San Francisco Airport offer complimentary shuttle service. Hourly nap rooms and showers are also available in the International Terminal for travelers seeking a brief rest.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/san-francisco-airport-guide.htm",
            "title": "San Francisco Airport Guide (SFO) - Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2018-10-02T00:00:42Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/sfobg-san-francisco-airport-marriott-waterfront/overview/?EM=DNM_SANFRANCISCOAIRPORTMARRIOTT.COM",
            "title": "SFO Airport Hotel | San Francisco Airport Marriott Waterfront",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/sfowi-the-westin-san-francisco-airport/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "The Westin San Francisco Airport (Official Site) - SFO Hotel",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.flysfo.com/passengers/shop-dine-relax?content_type=things_to_do&location=3&sort_by=random",
            "title": "Shop/Dine/Relax | San Francisco International Airport",
            "time_published": "2025-10-22T23:13:26Z"
          },
          {
            "url": "https://www.flysfo.com/passengers/shop-dine-relax?content_type=All&gate_area=All&https://www.flysfo.com/passengers/shop-dine-relax?https://www_flysfo_com/passengers/shop-dine-relax?https://www_flysfo_com/passengers/shop-dine-relax?location=2&location=1659&security=All&service_tags=All&sort_by=random",
            "title": "Shop/Dine/Relax | San Francisco International Airport",
            "time_published": "2025-10-22T23:13:26Z"
          },
          {
            "url": "http://www.flysfo.com/de/node/14691",
            "title": "Press Releases | San Francisco International Airport",
            "time_published": "2025-07-09T15:54:20Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q14": {
        "question": "What are the best airport lounge options at San Francisco airport?",
        "answer": "San Francisco International Airport offers several lounge options across its terminals. In International Terminal A, you'll find the Virgin Atlantic Clubhouse, the Golden Gate Lounge, and the China Airlines Dynasty Lounge. Terminal 1 houses The Club SFO (accessible with Priority Pass, open 4:30 AM to 11:30 PM), an Alaska Lounge (available for a fee), and a Delta Sky Club in Concourse C. Terminal 2 features a temporary American Express Centurion Lounge. Access generally requires a same-day boarding pass and eligible status, such as business or first class, elite membership, or a day pass where offered.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/SFO",
            "title": "American Express Lounges at San Francisco International Airport | Amex US",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.prioritypass.com/en-GB/lounges/united-states-of-america/san-francisco-international",
            "title": "San Francisco International Airport SFO Lounges - SFO Airport Guide and lounges. | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://prioritypass.com/lounges/usa/san-francisco-ca-intl",
            "title": "San Francisco International Airport SFO Lounges - SFO Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2024-11-05T16:20:09Z"
          },
          {
            "url": "https://americanexpress.com/en-xb/travel/lounges/the-platinum-card/SFO",
            "title": "American Express Lounges at San Francisco International Airport | Amex XB",
            "time_published": "2026-05-01T00:00:00Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/san-francisco-sky-club-airport-map",
            "title": "San Francisco (SFO) Airport Map & Lounges | Delta Air Lines",
            "time_published": "2023-01-01T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      }
    }
  }
}