{
  "response": {
    "Key": "SFO-US",
    "orig": {
      "code": "SFO",
      "type": "airport",
      "city": "San Francisco",
      "fullCity": "San Francisco, California",
      "airport": "San Francisco Intl Airport"
    },
    "dest": {
      "code": "US",
      "type": "country",
      "country": "United States"
    },
    "faq": {
      "q0": {
        "question": "Which cities in United States can I fly to from San Francisco?",
        "answer": "From San Francisco you can fly non-stop to many major U.S. cities, including Los Angeles, Seattle, Denver, Chicago, New York and Boston. One-stop connections via hubs like Dallas, Atlanta or Charlotte open up smaller regional destinations. Travelers choose based on their final destination and whether they prefer direct flights or lower fares with a connection."
      },
      "q2": {
        "question": "Are there direct flights from San Francisco to United States?",
        "answer": "San Francisco is already in the United States, so this query appears to be about domestic flights. There are many non-stop flights from San Francisco to cities across the U.S. on airlines such as United, Alaska, Delta, American, and Southwest, with flight times varying by distance. For example, Los Angeles is about 1.5 hours and New York about 5.5 hours."
      },
      "q3": {
        "question": "Which airlines fly from San Francisco to United States?",
        "answer": "From San Francisco to destinations across the U.S., United and Alaska offer extensive nonstop flights; American, Delta, Southwest and JetBlue provide many one-stop options via their hubs."
      },
      "q4": {
        "question": "When is the cheapest time to fly from San Francisco to United States?",
        "answer": "For flights from San Francisco to New York, the cheapest months are generally January, February, and September, while peak summer and major holidays like Thanksgiving and Christmas are the most expensive. Flying midweek (especially Tuesday and Wednesday) and choosing early morning or late evening departures typically yields lower fares, and booking about 4 to 6 weeks ahead offers the best balance of price and availability.",
        "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise. This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row."
      },
      "q5": {
        "question": "How far in advance should I book flights from San Francisco to United States?",
        "answer": "For flights from San Francisco to London, the optimal booking window is about 4 to 7 weeks before departure, with the very best fares typically appearing around 40 days out.",
        "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row."
      },
      "q6": {
        "question": "What are the most popular cities to visit in United States?",
        "answer": "For domestic travel from San Francisco, top U.S. cities include Los Angeles for entertainment, New York for culture and dining, Las Vegas for shows and nightlife, Seattle for tech and natural beauty and Chicago for architecture and museums, all easily connected by direct flights."
      },
      "q8": {
        "question": "Which airports in United States are best to fly into from San Francisco?",
        "answer": "Flying from San Francisco to other parts of the U.S., your best airport depends on your final destination. For New York City, JFK offers the most long-haul options and international connections, while LaGuardia is closer to Manhattan but handles mostly domestic flights, and Newark has good rail links via Amtrak. For Southern California, Los Angeles International is the major hub with extensive domestic and international routes, while Burbank and Long Beach are smaller alternatives that can be more convenient for specific areas. If you are heading to Chicago, O'Hare is the primary gateway with the most flights and onward train options via the CTA Blue Line, whereas Midway is smaller and closer to downtown but with fewer cross-country routes. For resort or regional travel, Denver International is ideal for the Rockies, Miami International serves Florida and the Caribbean, and Seattle-Tacoma is a key hub for the Pacific Northwest."
      },
      "q12": {
        "question": "When is the best time of year to visit United States?",
        "answer": "Since you are in the US, flying to another US city from San Francisco means timing depends on the region. Generally, spring (March to May) and fall (September to November) offer mild weather and fewer crowds in popular destinations like New York or Chicago, avoiding peak summer prices and crowds."
      }
    }
  }
}