{
  "response": {
    "Key": "SFO-GB",
    "orig": {
      "code": "SFO",
      "type": "airport",
      "city": "San Francisco",
      "fullCity": "San Francisco, California",
      "airport": "San Francisco Intl Airport"
    },
    "dest": {
      "code": "GB",
      "type": "country",
      "country": "United Kingdom"
    },
    "faq": {
      "q0": {
        "question": "Which cities in United Kingdom can I fly to from San Francisco?",
        "answer": "From San Francisco you can fly non-stop to London Heathrow on United, British Airways and Virgin Atlantic. One-stop connections via East Coast hubs or European gateways reach Manchester, Edinburgh and Glasgow. London is the primary entry point with the best connections to the rest of the UK and Europe. Manchester serves northern England and the Lake District, while Edinburgh and Glasgow are your gateways to Scotland. Travelers often fly into London and take trains onward, or choose a regional airport if heading directly to Scotland or the north of England."
      },
      "q1": {
        "question": "How long is the flight from San Francisco to United Kingdom?",
        "answer": "Non-stop flights from San Francisco to London take roughly 10 hours eastbound and about 11 hours westbound due to prevailing winds. If you fly into Manchester or Edinburgh with a connection, expect total travel times between 12 and 15 hours depending on the layover."
      },
      "q2": {
        "question": "Are there direct flights from San Francisco to United Kingdom?",
        "answer": "Yes, non-stop flights are available from San Francisco to several UK airports. You can fly directly to London Heathrow on British Airways, United, or Virgin Atlantic, and to London Gatwick on Norse Atlantic. United also offers a non-stop to Edinburgh, and Norse Atlantic flies to Manchester in summer. Flight time to London is about 10 hours eastbound."
      },
      "q3": {
        "question": "Which airlines fly from San Francisco to United Kingdom?",
        "answer": "Nonstop from SFO to UK: United, British Airways, Virgin Atlantic. One-stop via hubs: Delta, American, Air France, KLM, Lufthansa, Iberia."
      },
      "q4": {
        "question": "When is the cheapest time to fly from San Francisco to United Kingdom?",
        "answer": "The cheapest months to fly from San Francisco to the United Kingdom are generally March, April, September, and October, when fares dip well below the summer peak. Booking about 4 to 7 weeks ahead tends to yield the lowest prices, while June, July, and December are typically the most expensive times to travel. Midweek departures often offer better value than weekends, and early-morning or late-evening flights can be cheaper than midday options. Peak summer and the winter holidays usually see the highest fares, so avoiding those periods will help you find the best deals.",
        "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 Kingdom?",
        "answer": "For flights from San Francisco to the United Kingdom, the optimal booking window is about 4 to 7 weeks before departure, when average fares are lowest around $854–$858.",
        "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 Kingdom?",
        "answer": "Most travelers land in London for its landmarks and museums, then often add Edinburgh for history and festivals, Manchester or Liverpool for music and culture, and Bath or Oxford for day trips."
      },
      "q7": {
        "question": "Do I need a visa to travel from San Francisco to United Kingdom?",
        "answer": "U.S. citizens do not need a visa for tourist visits to the United Kingdom of up to six months. However, you will need an Electronic Travel Authorization (ETA), which became mandatory for U.S. passport holders starting January 8, 2025. Check official sources before traveling, as rules may change."
      },
      "q8": {
        "question": "Which airports in United Kingdom are best to fly into from San Francisco?",
        "answer": "From San Francisco to the United Kingdom, London Heathrow offers the most long-haul options and excellent train connections across the country. London Gatwick is also viable, with good rail links to London and the south coast. For Scotland, Edinburgh is a convenient gateway, while Manchester suits northern England and regional travel."
      },
      "q12": {
        "question": "When is the best time of year to visit United Kingdom?",
        "answer": "For the United Kingdom, late April to June and September to early October offer mild weather and fewer tourists than peak summer. Summer is busy and expensive in London, Edinburgh and other popular spots, while spring and autumn bring pleasant conditions and lighter crowds."
      }
    }
  }
}