{
  "response": {
    "Key": "HAN-US",
    "orig": {
      "code": "HAN",
      "type": "airport",
      "city": "Hanoi",
      "fullCity": "Hanoi, Vietnam",
      "airport": "Noi Bai Intl Airport"
    },
    "dest": {
      "code": "US",
      "type": "country",
      "country": "United States"
    },
    "faq": {
      "q0": {
        "question": "Which cities in United States can I fly to from Hanoi?",
        "answer": "From Hanoi you will typically connect through major Asian hubs to reach U.S. cities. Common one-stop routes go via Tokyo, Seoul or Hong Kong to Los Angeles, San Francisco or Seattle on the West Coast, and via Doha or Dubai to New York, Chicago or Dallas. Choose based on your final destination; West Coast gateways save time for western states, while East Coast hubs are better for the Northeast and Southeast."
      },
      "q1": {
        "question": "How long is the flight from Hanoi to United States?",
        "answer": "There are no non-stop flights from Hanoi to the United States. One-stop routes to West Coast cities like Los Angeles or San Francisco typically take 16 to 20 hours total, while reaching East Coast hubs like New York often takes 20 to 25 hours. Westbound flights to the U.S. are generally shorter than eastbound returns due to prevailing winds."
      },
      "q2": {
        "question": "Are there direct flights from Hanoi to United States?",
        "answer": "No, there are currently no non-stop flights from Hanoi to the United States. The most common one-stop routings connect through major Asian hubs such as Tokyo, Seoul, or Hong Kong, with total travel times typically ranging from 16 to 24 hours depending on layover duration."
      },
      "q3": {
        "question": "Which airlines fly from Hanoi to United States?",
        "answer": "From Hanoi to the US you'll typically fly one-stop via Asian hubs with airlines like Vietnam Airlines, Korean Air, Japan Airlines, ANA, China Airlines and Cathay Pacific."
      },
      "q5": {
        "question": "How far in advance should I book flights from Hanoi to United States?",
        "answer": "For flights from Hanoi to the United States, the optimal booking window is roughly 23–26 weeks (about 5.5–6 months) ahead, when fares average around $1,019, and booking last-minute can push prices above $1,400.",
        "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 include New York City for landmarks and culture, Los Angeles for entertainment and beaches, San Francisco for scenery and tech, Miami for nightlife and Latin flavor, and Las Vegas for shows and casinos."
      },
      "q7": {
        "question": "Do I need a visa to travel from Hanoi to United States?",
        "answer": "If you are a U.S. citizen returning to the United States from Hanoi, you do not need a visa. You must present a valid U.S. passport, and while no electronic travel authorization is required for citizens, entry rules can change, so check for any updates before you travel."
      },
      "q8": {
        "question": "Which airports in United States are best to fly into from Hanoi?",
        "answer": "From Hanoi to the United States, San Francisco and Los Angeles are the most common gateways on the West Coast, with the most nonstop and one-stop long-haul options. If your final destination is on the East Coast, New York JFK is a strong entry point with many onward connections. For access to the Midwest, Chicago O'Hare offers extensive domestic flights. Honolulu works well if you are heading to Hawaii or want a resort-focused arrival. Flight times vary significantly by route, with typical durations around 15 to 20 hours including layovers. Prices are generally lower for midweek departures and during shoulder seasons like spring and fall."
      },
      "q12": {
        "question": "When is the best time of year to visit United States?",
        "answer": "April to June and September to early November offer mild weather and fewer crowds across most of the United States, avoiding peak summer heat and high prices in major cities and national parks."
      }
    }
  }
}