{"response": {"Key": "BOS-SEL", "orig": {"code": "BOS", "type": "airport", "city": "Boston", "fullCity": "Boston, Massachusetts", "airport": "Logan Intl Airport"}, "dest": {"code": "SEL", "type": "airport", "city": "Seoul", "fullCity": "Seoul, Korea", "airport": "Incheon Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Boston to Seoul?", "answer": "The flight from Boston to Seoul covers about 6,810 miles and typically takes 15 hours and 30 minutes nonstop on Korean Air. The return flight is shorter at 13 hours and 50 minutes due to prevailing winds.", "methodology": "Carrier service, flight times and distances for this route come from our flight-schedule database, which draws on published airline timetables, U.S. government schedule data, and observed operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.", "toolsUsed": ["flight_schedule"]}, "q3": {"question": "What are the ground transportation options in Seoul?", "answer": "From Incheon International Airport, the fastest and most-used option to reach central Seoul is the express AREX train, taking about 43 minutes to Seoul Station for around 8,000 won. A cheaper all-stop commuter train is also available, while luxury limousine buses serve major districts like Gangnam and Dongdaemun in 70–90 minutes for 17,000–18,000 won. Taxis and ride-share are readily available but slower and more expensive, and car rentals are possible though rarely used given the excellent public transit. The express train is the top choice for most travelers.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://airport.kr/bbs/ap_en/937/138233/artclView.do", "title": "K2Web Wizard", "time_published": "2024-10-16T00:00:00Z"}, {"url": "https://www.airport.kr/ap_en/1507/subview.do", "title": "International Incheon Airport"}, {"url": "https://en.wikipedia.org/wiki/Transportation_in_Seoul", "title": "Transportation in Seoul", "time_published": "2025-09-22T07:17:16Z"}, {"url": "https://en.wikipedia.org/wiki/Incheon%20International%20Airport%20Terminal%201%20station", "title": "Incheon International Airport Terminal 1 station", "time_published": "2026-03-08T09:10:35Z"}, {"url": "https://airport.kr/ap_en/6604/subview.do", "title": "International Incheon Airport"}]}, "q4": {"question": "When is the cheapest time to fly from Boston to Seoul?", "answer": "The cheapest time to fly from Boston to Seoul is in the fall, with September averaging $1,260, October $1,286, and November $1,317. The most expensive months are June (around $1,795), December ($1,766), and July ($1,760), when fares peak.", "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.", "toolsUsed": ["seasonal_prices"]}, "q5": {"question": "How far in advance should I book tickets from Boston to Seoul?", "answer": "For Boston to Seoul, the optimal booking window is about 12 to 15 weeks before departure, with average fares around $1,678. The single cheapest day to book is roughly 95 days out at $1,669, while last-minute tickets can spike above $2,000. For summer and holiday periods, booking even earlier — closer to 4-5 months ahead — can help avoid higher prices.", "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.", "toolsUsed": ["booking_timing"]}, "q6": {"question": "Are overnight (red‑eye) flights available from Boston to Seoul?", "answer": "No overnight (red-eye) flights operate from Boston to Seoul — neither nonstop nor connecting itineraries with a red-eye long leg are available on this route.", "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.", "toolsUsed": ["redeye_flights"]}, "q7": {"question": "Which airlines usually operate this route from Boston to Seoul?", "answer": "Korean Air operates the only nonstop flights from Boston to Seoul, with up to 21 weekly departures to Incheon on a daily schedule. No typical fare data is available for this carrier, but other airlines such as Delta, United, or Japan Airlines may offer connecting options via their hubs.", "methodology": "Airlines and weekly frequencies are compiled 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 count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.", "toolsUsed": ["route_airlines"]}, "q8": {"question": "If I need a connection, what are common layover cities between Boston and Seoul?", "answer": "Common layover cities between Boston and Seoul include Incheon, Tokyo, and Dubai, each offering efficient transfers and broad onward connections. Incheon and Tokyo provide short, well-timed connections with minimal backtracking, while Dubai offers a midpoint stop with extensive global links and visa-free transit for many nationalities."}, "q10": {"question": "Which months have the best weather for traveling to Seoul?", "answer": "April to June and September to November offer mild temperatures, low rainfall, and smaller crowds."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Boston to Seoul?", "answer": "Bring a passport valid for at least six months, any required visa or K-ETA, proof of onward or return travel, a payment method for baggage and any necessary vaccination or insurance documents."}, "q12": {"question": "Which airport should I use in Seoul?", "answer": "Incheon is the main international airport for Seoul and handles most long‑haul flights. Gimpo serves domestic routes and a few regional Asian flights, and it is closer to central Seoul."}, "q13": {"question": "How do I get to Logan Intl Airport from the city center?", "answer": "From downtown Boston, the most popular and economical way to reach Logan is the MBTA Silver Line SL1 bus, which runs frequently from South Station and Back Bay directly to the terminals. The Blue Line subway also connects to a free airport shuttle from Airport Station, offering a fast rail option. For door-to-door convenience, ride‑share services like Uber and Lyft pick up curbside, while taxis provide flat‑rate fares from the city center. The Logan Express bus from Back Bay is another affordable and comfortable choice, and driving is possible with parking at the airport or at remote Logan Express lots in the suburbs.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://massport.com/logan-airport", "title": "Boston Logan International Airport | Massport", "favicon": "https://massport.com/themes/custom/massport/favicon.ico", "time_published": "2026-05-18T12:00:00Z"}, {"url": "http://www.massport.com/logan-airport/to-from-logan/", "title": "How to Get to Logan Airport | Massport", "time_published": "2026-04-07T00:00:00Z"}, {"url": "https://faa.gov/air_traffic/publications/atpubs/ntap_aug_18/NE10001.html", "title": "Massachusetts. Boston-Logan International Airport (KBOS) Land & Hold Operations", "favicon": "https://faa.gov/air_traffic/publications/atpubs/ntap_aug_18/assets/img/apple-touch-icon.png"}, {"url": "https://faa.gov/air_traffic/publications/atpubs/ntap_feb_18/NE17000.html", "title": "Massachusetts. Prototype Runway Status Lights (RWSL) at Boston Logan International Airport (BOS)"}, {"url": "https://en.wikipedia.org/wiki/Logan%20Express", "title": "Logan Express", "time_published": "2026-04-03T22:49:32Z"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Seoul airport?", "answer": "Seoul Incheon Airport (ICN) has the Incheon Airport Transit Hotel airside on the 4th floor of Terminal 1, bookable in 6‑hour blocks. Terminal 2 offers comfortable, armrest‑free benches landside on Level 1 and airside Nap/Rest Zones with reclined loungers near gates 262–268. No shuttle is needed for the transit hotel or rest zones, though a free underground shuttle connects the terminals.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://www.sleepinginairports.net/guides/seoul-incheon-airport-guide.htm", "title": "Seoul Incheon Airport Guide (ICN) - Sleeping in Airports", "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png", "time_published": "2018-10-02T00:00:42Z"}, {"url": "https://www.walkerhill.com/transithotel/customer/FAQ", "title": "Incheon Airport Transit Hotel", "time_published": "2022-06-13T00:00:00Z"}, {"url": "http://www.sleepinginairports.net/asia/seoul.htm", "title": "Seoul Incheon Airport Guide (ICN) - Sleeping in Airports", "time_published": "2026-04-13T17:34:21Z"}, {"url": "https://www.walkerhill.com/transithotel/en/t1/about/Introduction.jsp", "title": "Incheon Airport Transit Hotel", "time_published": "2022-06-13T00:00:00Z"}, {"url": "https://all.accor.com/a/en/destination/city/hotels-seoul-v5556.html", "title": "Hotels in Seoul | Accor ALL.com", "time_published": "2025-01-20T00:00:00Z"}, {"url": "https://www.walkerhill.com/transithotel/m/en/t1/about/Introduction.jsp", "title": "Incheon Airport Transit Hotel", "time_published": "2022-06-13T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Incheon Intl Airport?", "answer": "Incheon International Airport (ICN) offers currency exchange services in both the public and duty-free areas of Terminals 1 and 2, with multiple bank-operated counters and ATMs available. Prayer rooms are located airside in Terminal 1 near Gate 29 and in Terminal 2 near Gate 253, as well as a multi-faith chapel in the public area of Terminal 1. Free Wi-Fi is provided throughout all passenger terminals and concourses, with no time limit.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://airport.kr/ap_en/1562/subview.do", "title": "International Incheon Airport"}, {"url": "https://airport.kr/ap_en/1542/subview.do", "title": "International Incheon Airport", "time_published": "1999-01-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Incheon%20International%20Airport", "title": "Incheon International Airport", "time_published": "2026-04-30T15:03:57Z"}, {"url": "https://en.wikipedia.org/wiki/File:Incheon_International_Airport_Interior.jpg", "time_published": "2013-06-13T00:00:00Z"}, {"url": "https://airport.kr/ap_en/1413/subview.do", "title": "International Incheon Airport"}]}, "q16": {"question": "Are there accessible services or children's facilities at the Boston and Seoul airports?", "answer": "At Boston Logan, passengers with disabilities can request wheelchair assistance through their airline at least 48 hours before travel, and the airport offers accessible ramps, elevators with Braille, service animal relief areas, and TSA Cares support. At Incheon International Airport (serving Seoul), mobility-impaired travelers can use priority lanes, free electric vehicle and wheelchair transport by calling 1577-2600, and designated parking; young children under 7 also qualify for priority lane access. Both airports recommend arranging airline-specific assistance in advance, with Boston highlighting the 48-hour notice and Incheon suggesting contacting the help desk or airline before arriving.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://massport.com/logan-airport/at-the-airport/ada-compliance-and-accessibility", "title": "Accessibility at Boston Logan | Massport", "favicon": "https://massport.com/themes/custom/massport/favicon.ico"}, {"url": "https://massport.com/logan-airport/at-the-airport", "title": "Explore Boston Logan International Airport | Massport", "favicon": "https://massport.com/themes/custom/massport/favicon.ico"}, {"url": "https://en.wikipedia.org/wiki/Logan%20Express", "title": "Logan Express", "time_published": "2026-04-03T22:49:32Z"}, {"url": "https://faa.gov/air_traffic/publications/atpubs/ntap_aug_18/NE10001.html", "title": "Massachusetts. Boston-Logan International Airport (KBOS) Land & Hold Operations", "favicon": "https://faa.gov/air_traffic/publications/atpubs/ntap_aug_18/assets/img/apple-touch-icon.png"}, {"url": "https://www.faa.gov/airports/environmental/environmental_documents/bos", "title": "Airport Environmental Documents – General Edward Lawrence Logan International Airport (BOS), Boston, MA | Federal Aviation Administration", "time_published": "2002-08-02T00:00:00Z"}, {"url": "https://www.airport.kr/ap_en/1435/subview.do", "title": "International Incheon Airport"}, {"url": "https://airport.kr/ap_en/1478/subview.do", "title": "International Incheon Airport", "favicon": "https://airport.kr/Web-home/og/images/apple-touch-icon.png"}, {"url": "https://en.wikipedia.org/wiki/Incheon_International_Airport_Corporation", "title": "Incheon International Airport Corporation", "time_published": "2026-06-15T21:57:36Z"}, {"url": "https://en.wikipedia.org/wiki/Incheon_International_Airport_Terminal_2_station", "title": "Incheon International Airport Terminal 2 station", "time_published": "2026-07-03T06:56:11Z"}, {"url": "https://airport.kr/ap_en/1562/subview.do", "title": "International Incheon Airport"}]}, "q17": {"question": "What aircraft are typically used on flights from Boston to Seoul?", "answer": "The only nonstop flight from Boston to Seoul is on Korean Air, which uses a Boeing 777-300ER. Most travelers connect, and the most common long-haul aircraft on one-stop itineraries are the Boeing 787-9 (via Dallas, Toronto, Montreal, Calgary, or Tokyo), the Airbus A380-800 and A350-900 (both via New York JFK or LGA on Asiana), the Airbus A350-1000 (via Hong Kong on Cathay Pacific), and the Boeing 777-200LR (via Seattle). The exact aircraft can vary by day and airline, and Wi‑Fi and seatback entertainment are widely available on these long‑haul jets.", "methodology": "Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.", "toolsUsed": ["route_aircraft"]}, "q18": {"question": "Which airline alliances serve flights from Boston to Seoul?", "answer": "Korean Air (SkyTeam) is the only airline flying nonstop from Boston to Seoul, with 21 weekly flights to Incheon. Korean Air belongs to SkyTeam, so SkyTeam is the sole alliance with nonstop service on this route; other alliances may offer connecting itineraries but no other carrier operates the route directly.", "methodology": "Airlines and weekly frequencies are compiled 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 count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.", "toolsUsed": ["route_airlines"]}, "q20": {"question": "What are the best airport lounge options when departing from Boston?", "answer": "At Boston Logan, Delta Sky Club in Terminal A and The Lounge in Terminal C offer access with a same-day Delta ticket and eligible credit card or membership, featuring a premium bar and hot food. In Terminal B, the Chase Sapphire Lounge by The Club welcomes Priority Pass and Chase Sapphire Reserve cardholders with craft cocktails and locally inspired dishes. Terminal E houses the Air France Lounge (accessible via Priority Pass or business-class ticket, with a full bar and runway views) and the Lufthansa Lounge (exclusive to Lufthansa Group business- and first-class passengers, offering a bistro bar and direct boarding from the lounge).", "toolsUsed": ["article_lookup"], "references": [{"url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/logan-international", "title": "Logan International Airport BOS Lounges - BOS Airport Guide and lounges. | Priority Pass", "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c", "time_published": "2024-11-05T16:20:09Z"}, {"url": "https://www.delta.com/us/en/airports/united-states/boston-sky-club-airport-map", "title": "Boston Logan (BOS) Airport Map & Lounges | Delta Air Lines", "time_published": "2024-07-17T00:00:00Z"}, {"url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/logan-international/bos8-air-france-lounge", "title": "Air France Lounge BOS AIRPORT Terminal E Boston MA Logan International | Priority Pass", "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c"}, {"url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/BOS/lufthansa-lounge-terminal-e-DPm6RHJhaY", "title": "Lufthansa Lounge at Logan International Airport | Amex US", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/BOS/Lufthansa-Lounge-Terminal-E-DPm6RHJhaY/", "title": "Lufthansa Lounge at Logan International Airport | Amex US", "time_published": "2026-01-01T00:00:00Z"}]}, "q21": {"question": "What is the baggage allowance on this route from Boston to Seoul?", "answer": "Baggage rules depend on the carrier and fare class. Basic Economy often excludes a free checked bag, while standard international economy usually includes at least one checked bag and a carry‑on. Premium cabins provide higher allowances."}, "q22": {"question": "What cabin and seat options are typical from Boston to Seoul?", "answer": "Flights from Boston to Seoul typically offer Economy and flat-bed Business class, with Premium Economy available on select airlines and First class being uncommon."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies differ by airline and fare class; flexible and premium cabin tickets often allow same‑day changes or standby, while restrictive economy fares typically do not."}}}}