{
  "response": {
    "Key": "LON-WAS",
    "orig": {
      "code": "LON",
      "type": "airport",
      "city": "London",
      "fullCity": "London, England",
      "airport": "Heathrow Airport"
    },
    "dest": {
      "code": "WAS",
      "type": "airport",
      "region": "Ronald Reagan National Airport",
      "fullRegion": "Ronald Reagan National Airport, Washington, United States"
    },
    "faq": {
      "q0": {
        "question": "Which cities in Ronald Reagan National Airport can I fly to directly or with one stop from London?",
        "answer": "Ronald Reagan National Airport is a single airport serving Washington, D.C., so the question is about flying from London to DCA. There are no non-stop flights from London to DCA. Common one-stop options connect through major U.S. hubs like New York JFK, Boston, or Philadelphia. Travellers choose DCA for its proximity to downtown Washington, D.C., but may also consider nearby Dulles or Baltimore for more direct options from London."
      },
      "q1": {
        "question": "How long is the flight from London to Ronald Reagan National Airport?",
        "answer": "There are no non-stop flights from London to Ronald Reagan National Airport. Typical one-stop itineraries take 10 to 13 hours total, depending on the connection city and layover length. Westbound flights to the U.S. are often longer due to prevailing headwinds."
      },
      "q2": {
        "question": "Are there direct flights from London to Ronald Reagan National Airport?",
        "answer": "There are no non-stop flights from London to Ronald Reagan National Airport due to its perimeter rule restricting long-haul flights. You can fly non-stop from London to nearby Washington Dulles on airlines like British Airways and United, or to Baltimore/Washington on British Airways. From either airport you can reach downtown Washington by taxi or rail in under an hour. One-stop routings to Reagan National typically connect through East Coast hubs such as New York or Boston, with total travel times around 10 to 12 hours."
      },
      "q3": {
        "question": "Which airlines fly from London to Ronald Reagan National Airport?",
        "answer": "No non-stop flights from London to DCA. Connect via JFK with American, Delta, or British Airways, or via other U.S. hubs like Philadelphia or Atlanta."
      },
      "q4": {
        "question": "When is the cheapest time to fly from London to Ronald Reagan National Airport?",
        "answer": "The cheapest time to fly from London to Ronald Reagan National Airport (DCA) is typically during the low season from mid-January to March and late September to early November, excluding holidays. For the best fares, book at least 2-3 months ahead and aim for midweek departures on Tuesday or Wednesday, with early morning or late evening flights often priced lower. Peak summer months, Christmas, and school vacations see higher demand and prices."
      },
      "q5": {
        "question": "How far in advance should I book flights from London to Ronald Reagan National Airport?",
        "answer": "Book flights from London to Ronald Reagan National Airport 8 to 12 weeks in advance for the best balance of price and availability, especially for peak travel periods like summer holidays and Christmas, while shoulder seasons may allow booking a bit closer to departure."
      },
      "q7": {
        "question": "Do I need a passport or visa to travel from London to Ronald Reagan National Airport?",
        "answer": "For British citizens travelling from London to Ronald Reagan National Airport, no visa is needed for a short tourist visit. Entry is visa-free for a stay of up to 90 days, but an ESTA electronic travel authorisation must be obtained before travel.\n\nThis 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
      }
    }
  }
}