{
  "response": {
    "Key": "DEN-SEL",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "dest": {
      "code": "SEL",
      "type": "airport",
      "city": "Seoul",
      "fullCity": "Seoul, Korea",
      "airport": "Incheon Intl Airport"
    },
    "faq": {
      "q3": {
        "question": "What are the ground transportation options in Seoul?",
        "answer": "From Incheon International Airport (ICN), which serves Seoul, the fastest and most-used option is the AREX express train to Seoul Station, taking about 43 minutes and costing 8,000 won. The all-stop commuter train is a cheaper rail alternative at 4,150 won. Airport limousine buses serve many city destinations, with fares around 17,000–18,000 won, while taxis and ride-share services are also readily available. Car rentals are possible but less common due to Seoul's excellent public transit.",
        "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"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Denver to Seoul?",
        "answer": "No nonstop red‑eyes operate from Denver to Seoul. Connecting itineraries whose long leg is an overnight red‑eye are available via Los Angeles (LAX) and San Francisco (SFO). The overnight transpacific leg departs between 23:00 and 23:55 and arrives at Seoul Incheon between 04:00 and 04:30 — early morning, the next day. Carriers on the red‑eye leg are Asiana Airlines (OZ), United (UA), and Air Premia (YP), with United or Southwest feeding the connecting domestic flight from Denver.",
        "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 Denver to Seoul?",
        "answer": "There are no nonstop flights from Denver to Seoul. Common one-stop routings include Asiana via Los Angeles (around 13 daily patterns) and United via San Francisco (about 7 daily patterns). Other carriers like American via Dallas/Fort Worth, Air Premia via Los Angeles or San Francisco, and Air Canada via Vancouver also appear, though less frequently. Typical per-carrier fares are not available for this route.",
        "methodology": "Airlines and weekly frequencies 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 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 typical fare is shown for a carrier, it is the median of 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 Denver and Seoul?",
        "answer": "Common layover hubs between Denver and Seoul include San Francisco, Vancouver, Seattle, and Tokyo. San Francisco offers broad transpacific connections and efficient transfer facilities. Vancouver and Seattle provide relatively direct routings with competitive total travel times. Tokyo is a major Asian hub with extensive onward connections and smooth transit processes. Note that transit through Canada or the US may require appropriate documentation, while Tokyo typically allows visa-free airside transit for eligible nationalities."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Seoul?",
        "answer": "April to early June and September to mid-October offer mild temperatures, low humidity, and fewer visitors."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Denver to Seoul?",
        "answer": "Bring a passport valid for at least six months, a K-ETA or visa, proof of onward or return travel, a payment method for baggage and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Seoul?",
        "answer": "Incheon is Seoul's main international airport, located west of the city centre, and serves as a hub for Korean Air and Asiana with extensive global connections. Gimpo is closer to downtown and handles mostly domestic flights and a few regional international routes, making it convenient for short‑haul travel."
      },
      "q13": {
        "question": "How do I get to Denver Intl Airport from the city center?",
        "answer": "From downtown Denver, the most popular and often fastest option is the RTD University of Colorado A Line commuter rail, which runs from Denver Union Station to the airport in about 37 minutes. Ride‑share services like Uber and Lyft, taxis, and shared‑van shuttles are also widely available and offer door‑to‑door convenience at a higher cost, especially during peak times. Driving and parking at the airport is possible with several on‑site lots and garages, but it’s the most expensive choice when factoring in daily parking fees. The train is generally the best balance of speed, cost, and reliability for most travelers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/airport-transit-center/",
            "title": "Airport Transit Center | Denver International Airport",
            "time_published": "2026-02-24T17:09:34Z"
          },
          {
            "url": "https://flydenver.com/connections/",
            "title": "Connections | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2023-09-14T15:33:21Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Automated_Guideway_Transit_System_(Denver_International_Airport)",
            "title": "Automated Guideway Transit System (Denver International Airport)",
            "time_published": "2026-06-01T08:54:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver%20International%20Airport",
            "title": "Denver International Airport",
            "time_published": "2026-04-30T15:08:23Z"
          },
          {
            "url": "https://www.faa.gov/?action=searchForAirport&airportcode=PSR",
            "title": "Federal Aviation Administration",
            "favicon": "https://www.faa.gov/themes/custom/faa/favicon.png",
            "time_published": "2026-07-17T12:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Seoul airport?",
        "answer": "Incheon International Airport (ICN) has an on‑site transit hotel in Terminal 1, located airside on the 4th floor in the East area, with rooms available in 6‑hour blocks. Terminal 2 offers comfortable airside rest zones with reclined loungers near Gates 262–268, and landside there are wide, armrest‑free benches on Level 1. A free underground shuttle train connects the terminals, so no external shuttle is needed to reach these facilities.",
        "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"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "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 the pre-security departure hall on the third floor, before you enter the duty-free zone. Prayer rooms and chapels are available across multiple locations, including Terminal 1, the Concourse, and Terminal 2, both in public and duty-free areas. Free Wi-Fi is provided throughout the airport terminals.",
        "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"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Denver to Seoul?",
        "answer": "There is no nonstop service from Denver to Seoul, so all itineraries involve a connection. On the long transpacific leg the Boeing 787-9 is by far the most common aircraft, operated via hubs like San Francisco, Dallas/Fort Worth, Los Angeles, Vancouver, Calgary, Seattle, and Tokyo on carriers including United, American, Air Canada, WestJet, and Alaska. The Airbus A350-900 also appears on some connections through Los Angeles and San Francisco (primarily on Asiana), and the Airbus A380-800 is available via Los Angeles on Asiana as well. The exact aircraft can vary by day and airline, and Wi‑Fi and seatback entertainment are widely available on these long‑haul aircraft.",
        "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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Denver?",
        "answer": "At Denver International Airport (DEN), you'll find the American Express Centurion Lounge in Concourse C and the Delta Sky Club in the Main Terminal, Concourse A. The Centurion Lounge is accessible with select Amex cards like the Platinum Card and features premium food, craft cocktails, and a quiet space to work or relax. The Delta Sky Club offers complimentary snacks, beer and wine, Wi-Fi, and flight monitors, with access for Delta One or SkyTeam premium cabin passengers, Medallion elite members, and certain cardholders, or via a day pass for eligible travelers. Other independent lounges may not be confirmed, so these are the key options for your departure.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://americanexpress.com/en-gb/travel/lounges/the-platinum-card/DEN",
            "title": "American Express Lounges at Denver International Airport | Amex GB",
            "time_published": "2026-05-03T00:00:00Z"
          },
          {
            "url": "https://www.flydenver.com/",
            "title": "Denver International Airport | DEN",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-06-02T21:34:27Z"
          },
          {
            "url": "https://flydenver.com/at-the-airport",
            "title": "Exciting Things to Do at Denver International Airport",
            "time_published": "2026-02-18T15:39:31Z"
          },
          {
            "url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/DEN/Delta-Sky-Club-Main-Terminal-Concourse-A-IgRTEiZDls/",
            "title": "Delta Sky Club at Denver International Airport | Amex US",
            "time_published": "2026-03-18T00:00:00Z"
          },
          {
            "url": "https://carsandstays.delta.com/Denver-Hotels-Sleep-Inn-Suites-Denver-International-Airport.h23533743.Hotel-Information?categorySearch=any_option&chkin=2026-07-06&chkout=2026-07-07&destType=MARKET&destination=Denver%2C+CO%2C+United+States+of+America+%28DEN-All+Airports%29&latLong=39.74483000000001%2C-104.94829500000002&pwa_ts=1782175590171&referrerUrl=aHR0cHM6Ly9jYXJzYW5kc3RheXMuZGVsdGEuY29tL0hvdGVsLVNlYXJjaA%3D%3D&regionId=6139084&rfrr=HSR&rm1=a2&searchId=b9103c12-38ab-46f5-86a7-f3447411bdbe&selectedRatePlan=383244565&selectedRoomType=218717901&sort=RECOMMENDED&top_cur=USD&top_dp=126&useRewards=false&x_pwa=1",
            "title": "Sleep Inn & Suites Denver International Airport",
            "favicon": "https://carsandstays.delta.com/favicon.ico",
            "time_published": "2026-06-23T09:32:24Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Denver to Seoul?",
        "answer": "Baggage allowance on Denver–Seoul flights depends on the airline and fare type. Basic Economy often excludes checked bags; standard international economy usually includes one checked bag and a carry‑on. Premium cabins provide more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Denver to Seoul?",
        "answer": "On flights from Denver to Seoul, you can typically choose Economy, Premium Economy, and flat-bed Business class; First class is uncommon."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare; flexible and premium cabin tickets often permit same‑day changes or standby, but Basic Economy typically does not."
      }
    }
  }
}