{
  "response": {
    "Key": "LON-US",
    "orig": {
      "code": "LON",
      "type": "airport",
      "city": "London",
      "fullCity": "London, England",
      "airport": "Heathrow Airport"
    },
    "dest": {
      "code": "US",
      "type": "country",
      "country": "United States"
    },
    "faq": {
      "q0": {
        "question": "Which cities in United States can I fly to from London?",
        "answer": "From London you can fly non-stop to major U.S. cities such as New York, Los Angeles, San Francisco and Chicago, as well as Boston, Miami, Seattle and more. One-stop connections via hubs like Atlanta, Dallas or Charlotte open up smaller cities across the country."
      },
      "q1": {
        "question": "How long is the flight from London to United States?",
        "answer": "From London to the US, non-stop flights to New York take about 7½ to 8 hours westbound and 6½ to 7 hours eastbound. One-stop trips to cities like Los Angeles or Chicago typically range from 12 to 16 hours depending on the connection."
      },
      "q2": {
        "question": "Are there direct flights from London to United States?",
        "answer": "Yes. Multiple airlines operate non-stop flights from London to numerous U.S. cities. From London Heathrow, you can fly directly to New York, Los Angeles, Chicago, San Francisco, Boston, Miami, Washington, D.C., and others on British Airways, Virgin Atlantic, American Airlines, Delta, and United. London Gatwick also offers non-stops to cities like New York, Orlando, and Tampa, mainly on British Airways and Norse Atlantic. Flight times are approximately 7–8 hours eastbound and 8–10 hours westbound."
      },
      "q3": {
        "question": "Which airlines fly from London to United States?",
        "answer": "From London to the US popular non‑stop options include British Airways, Virgin Atlantic, American, Delta and United, plus one‑stop choices via hubs."
      },
      "q4": {
        "question": "When is the cheapest time to fly from London to United States?",
        "answer": "The cheapest months to fly from London to the United States are typically April, November, October, and September, while June, July, and May are the most expensive — peak summer and the December holidays also push fares higher. Booking about 11 to 14 weeks ahead (roughly 3 months before departure) tends to give the best prices, and midweek flights are usually cheaper than weekends, with early-morning or late-evening departures often costing less than midday ones.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle."
      },
      "q5": {
        "question": "How far in advance should I book flights from London to United States?",
        "answer": "For flights from London to the United States, the optimal booking window is roughly 11 to 14 weeks ahead of departure, when typical fares average around $925, though summer and holiday travel often reward booking even earlier while shoulder-season trips can sometimes be booked closer in.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle."
      },
      "q6": {
        "question": "What are the most popular cities to visit in United States?",
        "answer": "Popular U.S. cities for visitors from London include New York for its iconic skyline and culture, Miami for beaches and nightlife, Los Angeles for Hollywood and coastal scenery, Las Vegas for entertainment and San Francisco for its unique neighborhoods."
      },
      "q7": {
        "question": "Do I need a visa to travel from London to United States?",
        "answer": "For British citizens travelling from London to the United States on a short tourist visit, no visa is required. Entry is visa-free for up to 90 days, but an ESTA electronic travel authorisation must be obtained before travel.\n\nA quick note: this is general guidance to help you plan, not official immigration advice — entry rules can change and can depend on your nationality and circumstances, so please confirm the current requirements with the relevant embassy or official government source before you travel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Visa_policy_of_the_United_States",
            "title": "Visa policy of the United States",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://www.gov.uk/foreign-travel-advice/usa/entry-requirements",
            "title": "United States entry requirements — GOV.UK",
            "favicon": "https://www.gov.uk/favicon.ico"
          },
          {
            "url": "https://uscis.gov/working-in-the-united-states/temporary-visitors-for-business/wb-temporary-business-visitor-under-visa-waiver-program",
            "title": "WB Temporary Business Visitor under Visa Waiver Program | USCIS"
          },
          {
            "url": "https://uscis.gov/working-in-the-united-states/temporary-visitors-for-business",
            "title": "Temporary Visitors for Business | USCIS"
          },
          {
            "url": "https://www.cbp.gov/travel/international-visitors/visa-waiver-program/requirements-immigrant-and-nonimmigrant-visas",
            "title": "Requirements for Immigrant and Nonimmigrant Visas | U.S. Customs and Border Protection"
          },
          {
            "url": "https://www.cbp.gov/travel/international-visitors/applying-admission-united-states",
            "title": "Admission into United States | U.S. Customs and Border Protection"
          },
          {
            "url": "https://esta.cbp.dhs.gov/",
            "title": "Official ESTA Application Website - Home"
          }
        ],
        "preopenedReferences": true,
        "stageOnly": true
      },
      "q8": {
        "question": "Which airports in United States are best to fly into from London?",
        "answer": "From London to the United States, New York JFK and Newark offer the most direct flight options and excellent onward connections across the country. Los Angeles, San Francisco, and Chicago O'Hare are also major gateways with many long-haul flights. For onward train travel, Newark is convenient for Amtrak's Northeast Corridor, while airports like Miami and Orlando are ideal for Florida resorts and regional travel."
      },
      "q12": {
        "question": "When is the best time of year to visit United States?",
        "answer": "For the United States, April to June and September to October offer pleasant weather and fewer crowds than peak summer across most regions, including major gateways like New York, Los Angeles and Chicago."
      },
      "q13": {
        "question": "How do I get to Heathrow Airport from the city center?",
        "answer": "The Heathrow Express is the fastest way to reach London Paddington, taking just 15 minutes with trains every 15 minutes, though it is pricier than other rail options. The London Underground (Piccadilly line) is the most popular and one of the cheapest choices, reaching central London in under an hour with trains every 10 minutes. Coaches and buses serve Victoria and other destinations from the Central Bus Station, while black cabs, pre-booked minicabs, and rental cars offer door-to-door convenience but take at least an hour and may incur congestion or ULEZ charges. Driving yourself is possible with on-site parking, though it is generally the least convenient for a city-center trip.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.heathrow.com/transport-and-directions/getting-to-central-london",
            "title": "Getting to Central London | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/transport-and-directions",
            "title": "Transport and directions | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Heathrow_Central_bus_station",
            "title": "Heathrow Central bus station",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-24T02:58:47Z"
          },
          {
            "url": "https://heathrow.com/de/transport-and-directions/getting-to-central-london",
            "title": "Anreise in die Londoner Innenstadt (Central London) | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/fr/transport-and-directions/getting-to-central-london",
            "title": "Se rendre au centre de Londres | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          }
        ]
      }
    }
  }
}