{
  "response": {
    "Key": "US-KR",
    "orig": {
      "code": "US",
      "type": "country",
      "country": "United States"
    },
    "dest": {
      "code": "KR",
      "type": "country",
      "country": "Korea"
    },
    "faq": {
      "q0": {
        "question": "Which U.S. cities can I fly from to reach Korea?",
        "answer": "Fourteen cities in the United States offer nonstop flights to Korea, all landing at Seoul Incheon. Atlanta leads with 119 weekly flights and a typical flight time of 15h 30m, followed by Dallas at 14h 55m and San Francisco at 12h 40m. Other major gateways include Seattle (11h 55m), Los Angeles (13h 20m), New York (15h 39m), Honolulu (10h 20m), Salt Lake City (13h 5m), Detroit (14h 45m), Chicago (14h 40m), Minneapolis (13h 50m), Washington (15h 25m), Boston (15h 30m), and Las Vegas (13h 30m). Travelers often choose a departure airport based on proximity, schedule frequency, or fare, with connecting itineraries available from other U.S. cities through these hubs.",
        "methodology": "Departure cities and their weekly nonstop flights come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We list every city in the origin country with scheduled nonstop service to an airport in the destination, busiest first.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q1": {
        "question": "Which airports in Korea are the best to fly into?",
        "answer": "From the United States, the primary gateway to Korea is Incheon International Airport near Seoul. Incheon handles the vast majority of long-haul flights and offers excellent connections to domestic destinations like Busan and Jeju via high-speed rail or short flights. Gimhae International Airport in Busan receives some seasonal or charter flights from the US West Coast and serves as a convenient entry point for southern Korea, with good domestic links to Jeju and other cities."
      },
      "q2": {
        "question": "How long is the flight to Korea?",
        "answer": "Nonstop flights from the United States to Korea take between 10h 20m and 15h 39m depending on the departure city. The shortest nonstop is from Honolulu at 10h 20m, while the longest is from New York at 15h 39m. From Seattle the flight is 11h 55m, and from Los Angeles it is 13h 20m. All nonstop service arrives at Incheon International Airport in Seoul.",
        "methodology": "Flight times come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI); the typical time is the median scheduled duration of each departure city's nonstop services to the destination.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q3": {
        "question": "Are there direct flights to Korea?",
        "answer": "Yes, there are extensive nonstop flights from the United States to Korea, with 14 US cities offering direct service into Seoul Incheon. Key nonstop city pairs and their airlines include Atlanta (Delta Air Lines, Korean Air) at 15h 30m, Dallas (American Airlines, Korean Air) at 14h 55m, San Francisco (United Airlines, Korean Air, Air Premia, Asiana Airlines) at 12h 40m, Seattle (Asiana Airlines, Korean Air, Delta Air Lines, Alaska Airlines, Hawaiian Airlines) at 11h 55m, Los Angeles (Asiana Airlines, Air Premia, Korean Air) at 13h 20m, New York (Air Premia, United Airlines, Korean Air, Asiana Airlines) at 15h 39m, Honolulu (Asiana Airlines, Korean Air, Air Premia) at 10h 20m, Salt Lake City (Delta Air Lines) at 13h 5m, Detroit (Delta Air Lines) at 14h 45m, Chicago (Korean Air) at 14h 40m, Minneapolis (Delta Air Lines) at 13h 50m, Washington (Korean Air, Air Premia) at 15h 25m, Boston (Korean Air) at 15h 30m, and Las Vegas (Korean Air) at 13h 30m. Flight times range from 10h 20m from Honolulu to 15h 39m from New York, with frequencies from 14 to 119 weekly flights per city. All nonstop service operates into Seoul Incheon, and red-eye departures are available from Atlanta, San Francisco, Los Angeles, and Las Vegas.",
        "methodology": "Nonstop service is identified from the scheduled operating flights in our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI); a destination with no scheduled nonstop from the origin country is reported as having none.",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q4": {
        "question": "Which U.S. airports are usually cheapest for flying to Korea?",
        "answer": "Los Angeles and San Francisco are typically the cheapest U.S. gateways for flights to Korea, thanks to numerous direct options and high competition. New York can also offer good deals, but travellers from smaller cities often save by booking a separate domestic flight to one of these West Coast hubs."
      },
      "q5": {
        "question": "Which airlines fly to Korea?",
        "answer": "Korean Air flies from 14 U.S. cities including Atlanta, Dallas, San Francisco, Seattle, Los Angeles, New York, Honolulu, Chicago, Washington, Boston, and Las Vegas. Delta Air Lines operates nonstops from Atlanta, Seattle, Salt Lake City, Detroit, and Minneapolis. Asiana Airlines serves San Francisco, Seattle, Los Angeles, New York, and Honolulu, while United Airlines flies from San Francisco and New York, and American Airlines from Dallas.",
        "methodology": "Airlines are the operating carriers scheduled on nonstop services from each departure city, taken from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI).",
        "toolsUsed": [
          "country_to_city"
        ]
      },
      "q6": {
        "question": "When is the cheapest time to fly to Korea?",
        "answer": "The cheapest months to fly from the US to Korea are August, September, and November, while June, December, and May are the most expensive — so aim for late summer or fall to avoid peak holiday and summer surges. For the best fare, book about 7 to 10 weeks ahead, and whenever possible choose midweek departures and off-peak times like early mornings or late nights to steer clear of the highest demand periods.",
        "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."
      },
      "q7": {
        "question": "How far in advance should I book flights to Korea?",
        "answer": "For flights from the United States to Korea, the optimal booking window is about 7 to 10 weeks before departure, when fares average around $1,170, though you should book earlier — at least 10 to 12 weeks out — for peak summer (June) and winter holiday (December) travel, when prices can climb above $1,300.",
        "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. 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."
      },
      "q8": {
        "question": "Do I need a visa to travel to Korea?",
        "answer": "For United States nationals, a visa is not required for a short tourist visit to South Korea. Travelers can stay for up to 90 days, but must obtain a Korea Electronic Travel Authorization before departure.\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_South_Korea",
            "title": "Visa policy of South Korea",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://www.gov.uk/foreign-travel-advice/south-korea/entry-requirements",
            "title": "South Korea entry requirements — GOV.UK",
            "favicon": "https://www.gov.uk/favicon.ico"
          }
        ],
        "preopenedReferences": true,
        "stageOnly": true
      },
      "q10": {
        "question": "How easy is it to travel within Korea after I arrive?",
        "answer": "South Korea has an efficient high-speed KTX rail network connecting major cities like Seoul, Busan, and Daegu, along with express buses and domestic flights to Jeju Island. Arriving at Incheon (Seoul) gives you the most seamless onward connections by train or bus, while landing in Busan or Jeju may require a flight or train transfer to reach other regions."
      }
    }
  }
}