{
  "response": {
    "Key": "DEN-US",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "dest": {
      "code": "US",
      "type": "country",
      "country": "United States"
    },
    "faq": {
      "q0": {
        "question": "Which cities in United States can I fly to from Denver?",
        "answer": "You can fly non-stop from Denver to dozens of U.S. cities, including Los Angeles, San Francisco, Seattle, Chicago, New York, Atlanta, Dallas, Houston, Phoenix, Las Vegas and Miami. Most major airlines use Denver as a hub, so one-stop connections reach nearly every domestic airport. Travelers often pick a gateway based on region—West Coast for beaches and national parks, Northeast for culture and history, or Southeast for warmer climates."
      },
      "q3": {
        "question": "Which airlines fly from Denver to United States?",
        "answer": "From Denver within the United States, major carriers include United, Southwest, Frontier, Delta, and American, with non-stop and connecting flights via their hubs."
      },
      "q5": {
        "question": "How far in advance should I book flights from Denver to United States?",
        "answer": "For domestic flights from Denver, aim to book 3–8 weeks ahead (ideally 4–6 weeks for the lowest fares), while for international routes like transatlantic trips, booking 2–5 months in advance is smarter for summer and holiday travel.",
        "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": "Within the U.S., top destinations include New York City for urban energy, Los Angeles for entertainment, Chicago for architecture, Miami for beaches and Washington D.C. for monuments and museums."
      },
      "q7": {
        "question": "Do I need a visa to travel from Denver to United States?",
        "answer": "Since Denver is already in the United States, you do not need a visa or any special authorization to travel domestically within the country. Just bring a valid government-issued ID for airport security. Rules can change, but domestic travel remains visa-free for U.S. citizens."
      },
      "q12": {
        "question": "When is the best time of year to visit United States?",
        "answer": "The best time to visit the United States varies by region. Generally, spring (April to June) and fall (September to October) offer mild weather and moderate prices across most destinations. Summer is peak season with high prices and crowds, especially in national parks and coastal cities. For Denver specifically, flying within the U.S. is cheapest in January and February, while September and October provide a good balance of pleasant weather and lower fares."
      }
    }
  }
}