{
  "response": {
    "Key": "HAN-SIN",
    "orig": {
      "code": "HAN",
      "type": "airport",
      "city": "Hanoi",
      "fullCity": "Hanoi, Vietnam",
      "airport": "Noi Bai Intl Airport"
    },
    "dest": {
      "code": "SIN",
      "type": "airport",
      "city": "Singapore",
      "fullCity": "Singapore, Singapore",
      "airport": "Changi Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Hanoi to Singapore?",
        "answer": "The flight from Hanoi to Singapore is about 1,380 miles, with a typical nonstop duration of 3 hours and 20 minutes. The return leg from Singapore to Hanoi takes around 3 hours and 25 minutes, a slight difference of five minutes.",
        "methodology": "Flight times and distances 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 flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from Hanoi to Singapore?",
        "answer": "Yes, four airlines fly non‑stop from Hanoi to Singapore: Vietnam Airlines (3× daily), VietJet Air (daily), Scoot (6× weekly, no Tuesday flight), and Singapore Airlines (5× daily). Together they offer about 71 non‑stop flights per week, with the flight taking roughly 3 hours 20 minutes.",
        "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. 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": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Singapore?",
        "answer": "Singapore Changi Airport offers several ground transportation options into the city, including the MRT train, public buses, taxis, ride-hailing apps like Grab, Gojek, Zig, and Tada, and private car transfers. The MRT is the most affordable and widely used option, with trains running from about 5:31 AM to just after midnight and requiring a transfer at Tanah Merah or Expo stations to reach the city center. Taxis are readily available at all terminals and take about 20–30 minutes to the city, while ride-hailing services provide similar point-to-point convenience with designated pick-up points. Public buses are also available from Terminals 1, 2, and 3, though they are generally slower than the MRT. Overall, the MRT is the most used and cost-effective choice for most travelers, while taxis and ride-hailing offer the fastest door-to-door service.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://changiairport.com/en/at-changi/transport-and-directions/getting-to-changi-airport.html",
            "title": "Getting to Changi Airport: Transport Options & Directions",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://changiairport.com/au/en/experience/travel-inspiration/how-to-choose-the-right-airport-transfer.html",
            "title": "How to choose the right airport transfer from Changi Airport | Travel Inspiration from Changi Airport",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://www.changiairport.com/en/at-changi/transport-and-directions/leaving-the-airport.html",
            "title": "Leaving Changi Airport: Transport Options",
            "favicon": "https://www.changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transport_in_Singapore",
            "title": "Transport in Singapore",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-27T19:12:13Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Changi_Airport_Skytrain",
            "title": "Changi Airport Skytrain",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-09T13:48:51Z"
          }
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Hanoi to Singapore?",
        "answer": "No nonstop red-eye flights operate from Hanoi to Singapore, but connecting itineraries whose long leg is an overnight flight are available. On a representative date, VietJet (VJ) offers red-eye departures from Hanoi to Ho Chi Minh City (SGN) at 22:45 (arriving 00:55) or 23:25 (arriving 01:35), both arriving in the early hours, with a connecting onward VJ flight to Singapore after a layover of about 5.5 to 6.5 hours.",
        "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 Hanoi to Singapore?",
        "answer": "Singapore Airlines, Vietnam Airlines, Scoot, and VietJet Air operate nonstop flights from Hanoi to Singapore. Singapore Airlines flies up to 35 weekly flights, Vietnam Airlines 18 weekly flights, Scoot 11 weekly flights, and VietJet Air 7 weekly flights. Median per-carrier fares are not published 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 Hanoi and Singapore?",
        "answer": "While many flights are direct, common layover cities for Hanoi to Singapore include Bangkok, Kuala Lumpur, and Ho Chi Minh City. These hubs offer broad connections, efficient transfers, and visa-free transit for many nationalities, keeping total travel time competitive."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Singapore?",
        "answer": "February to April offers the driest, sunniest weather with lower humidity and fewer tourists than year-end holidays."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Hanoi to Singapore?",
        "answer": "Bring a passport valid for at least six months, your SG Arrival Card e‑health declaration, proof of onward or return travel, and a payment method for baggage. Check if you need a visa or yellow fever vaccination certificate."
      },
      "q12": {
        "question": "Which airport should I use in Singapore?",
        "answer": "Singapore has two main airports. Changi Airport is the primary international gateway, located about 20 km east of downtown, serving all major airlines and offering extensive connectivity. Seletar Airport is smaller, closer to the city centre, and handles regional flights and private aviation, primarily used for business and general aviation."
      },
      "q13": {
        "question": "How do I get to Noi Bai Intl Airport from the city center?",
        "answer": "From Hanoi city center, the most popular and economical way to reach Noi Bai International Airport is by public bus—routes 7 and 17 run every 15–20 minutes from about 5 a.m. to 10 p.m. and cost only 5,000 VND (roughly $0.30). Metered taxis are also available at the arrivals level of both terminals, taking about 30 minutes, and airport minibuses offer direct service to hotels for around 22,000–32,000 VND or a bit more for other destinations. Ride-share services and driving yourself are possible but less common; parking is available at the airport, though most travelers opt for the affordable bus or a metered taxi.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://hanoiairportonline.com/hanoi-airport-transportation",
            "title": "Hanoi Airport Transportation – Hanoi Airport Guide",
            "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"
          },
          {
            "url": "http://www.hanoiairportonline.com/public-taxi",
            "title": "Hanoi Airport Public Taxi – Hanoi Airport Guide",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Buses_in_Hanoi",
            "title": "Buses in Hanoi",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-21T07:47:04Z"
          },
          {
            "url": "https://hanoiairportonline.com/public-bus",
            "title": "Hanoi Airport Public Bus – Hanoi Airport Guide",
            "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"
          },
          {
            "url": "https://hanoiairportonline.com/hanoi-airport-minibus",
            "title": "Hanoi Airport Minibus – Hanoi Airport Guide",
            "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Singapore airport?",
        "answer": "Yes, Singapore Changi Airport has several on-site hotels. The Changi Transit Hotel is in Terminal 1's Departure Transit Hall near Gate D40, and Ambassador Transit Hotels are located in the Departure Transit Halls of Terminals 2 and 3, all accessible from the airside without clearing immigration. YOTELAIR Singapore Changi Airport is in Jewel, Level 4, in the public area, so transit passengers must clear immigration to reach it.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://changiairport.com/en/at-changi/facilities-and-services-directory/transit-hotels.html",
            "title": "Changi Airport Transit Hotels - Singapore Airport Stays",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://www.sleepinginairports.net/guides/singapore-changi-airport-guide.htm",
            "title": "Singapore Changi Airport Guide (SIN) - 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": "2018-10-02T00:00:45Z"
          },
          {
            "url": "https://changiairport.com/id/id/at-changi/facilities-and-services-directory/transit-hotels.html",
            "title": "Hotel Transit Changi Airport - Menginap di Bandara Singapura",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Changi Airport?",
        "answer": "Changi Airport (SIN) offers currency exchange offices, prayer rooms, and free Wi-Fi across its terminals. Currency exchange and prayer rooms are available in all four terminals, with prayer rooms located in the transit areas of each terminal and currency exchange counters in both public and transit zones. Free Wi-Fi is provided throughout the airport, including in the terminals and Jewel Changi Airport, with no time limit for passengers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://changiairport.com/en/at-changi/facilities-and-services-directory/explore-changi-airport-lounges-airline-lounges-information.html",
            "title": "Changi Airport Facilities & Services Directory",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://www.changiairport.com/en/at-changi/facilities-and-services-directory.html",
            "title": "Changi Airport Facilities & Services Directory",
            "favicon": "https://www.changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Changi_Airport",
            "title": "Changi Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-15T10:49:10Z"
          },
          {
            "url": "https://nowboarding.changiairport.com/discover-changi/pay-per-use-lounges-singapore-changi-airport.html",
            "title": "Pay-per-use lounges at Changi Airport: Access, amenities & prices",
            "favicon": "https://nowboarding.changiairport.com/etc.clientlibs/canowboarding/clientlibs/canowboarding/resources/images/favicon.ico",
            "time_published": "2026-04-15T00:00:00Z"
          },
          {
            "url": "https://changiairport.com/en/corporate/partnering-us/airport-concessions.html",
            "title": "Airport Concessions Partnerships | Changi Airport Group",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Hanoi and Singapore airports?",
        "answer": "At Singapore Changi Airport, the Care@Changi programme offers mobility assistance for wheelchair users, support for travelers with invisible disabilities such as autism and dementia, and dedicated facilities for families with children, with help available from Care Ambassadors identifiable by gold badges. Hanoi's Noi Bai International Airport provides standard terminal services including check-in counters and boarding gates. Travelers should arrange any required mobility assistance through their airline at least 48 hours before the flight to ensure a seamless journey.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Noi_Bai_International_Airport",
            "title": "Noi Bai International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-15T14:23:49Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Noi%20Bai%20International%20Airport",
            "title": "Noi Bai International Airport",
            "time_published": "2026-04-30T17:46:29Z"
          },
          {
            "url": "https://hanoiairportonline.com/hanoi-airport-transportation",
            "title": "Hanoi Airport Transportation – Hanoi Airport Guide",
            "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"
          },
          {
            "url": "https://www.hanoiairportonline.com/",
            "title": "Hanoi Airport Guide – Hanoi International Airport (Noi Bai) Vietnam",
            "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/VVNB_Airport",
            "title": "Noi Bai International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-06-08T17:07:05Z"
          },
          {
            "url": "https://changiairport.com/en/at-changi/special-assistance.html",
            "title": "Special Assistance & Traveller Accessibility Support | Changi Airport",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://nowboarding.changiairport.com/discover-changi/changi-airport-baggage-wheelchair-useful-services.html",
            "title": "Guide to Changi Airport services: Wheelchair, baggage and buggy assistance",
            "favicon": "https://nowboarding.changiairport.com/etc.clientlibs/canowboarding/clientlibs/canowboarding/resources/images/favicon.ico",
            "time_published": "2026-05-15T00:00:00Z"
          },
          {
            "url": "https://aim-sg.caas.gov.sg/aim-content/uploads/aip/2025-07-24/final/2016-09-29/html/eSUP/eSUP-2016-083-en-GB.html?s=44D30EDBFE4DC0CBE824F5A48AC9E7C0A28CD8CE",
            "title": "SUP 083 2016 SINGAPORE CHANGI AIRPORT - IMPLEMENTATION OF AIRPORT COLLABORATIVE DECISION MAKING (A-CDM)"
          },
          {
            "url": "https://changiairport.com/en/at-changi/facilities-and-services-directory/explore-changi-airport-lounges-airline-lounges-information.html",
            "title": "Changi Airport Facilities & Services Directory",
            "favicon": "https://changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          },
          {
            "url": "https://www.changiairport.com/en/at-changi/facilities-and-services-directory.html",
            "title": "Changi Airport Facilities & Services Directory",
            "favicon": "https://www.changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Hanoi to Singapore?",
        "answer": "Vietnam Airlines and VietJet Air both fly the Hanoi to Singapore route using Airbus A321 aircraft, while Scoot operates Boeing 787-8s. Singapore Airlines uses the widest mix: Airbus A350-900, Boeing 737 MAX 8, and other Boeing 737 family jets. Vietnam Airlines offers the most departures on this route.",
        "methodology": "Aircraft types 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). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Hanoi to Singapore?",
        "answer": "Star Alliance (via Singapore Airlines) and SkyTeam (via Vietnam Airlines) both serve Hanoi–Singapore nonstop. Scoot and VietJet Air also fly the route but belong to no alliance, and oneworld has no nonstop carrier here.",
        "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 Hanoi?",
        "answer": "Hanoi Noi Bai International Airport offers several lounge options across its terminals. SH Premium Lounge Ha Noi operates in both Domestic Terminal 1 and International Terminal 2, with SH Premium Lounge Ha Noi 3 also in Terminal 2 and ASG Sky Lounge in Terminal 1. The SH Premium Lounge Ha Noi in International Terminal 2 is located airside on the 4th Floor, East Wing near Gates 21-22 and offers amenities including showers, Wi-Fi, complimentary massage chairs, and a separate smoking area. Lac Viet Premium Lounge is located airside on the 4th floor near gate 36, with food and drink, workstations, Wi-Fi, shower facilities, and wheelchair access. Alcoholic drinks at Lac Viet Premium Lounge are available only to passengers aged 18 and over.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://prioritypass.com/ja-JP/lounges/vietnam/noi-bai-international",
            "title": "Noi Bai International Airport HAN Lounges - HAN Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2026-06-30T08:24:25Z"
          },
          {
            "url": "https://www.prioritypass.com/en-GB/lounges/vietnam/noi-bai-international",
            "title": "Noi Bai International Airport HAN Lounges - HAN Airport Guide and lounges. | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-hk/travel/lounges/the-platinum-card/HAN",
            "title": "American Express Lounges at Noi Bai International Airport | Amex HK",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/HAN/SH-Premium-Lounge-Ha-Noi-International-Terminal-2-lfI066JPot",
            "title": "SH Premium Lounge Ha Noi at Noi Bai International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://cathaypacific.com/cx/en_BH/destinations/lounges/hanoi-han.html",
            "title": "Lac Viet Premium Lounge  | Cathay BH",
            "favicon": "https://www.cathaypacific.com/content/dam/header-footer-lrp/cx-web-clip-icon.png"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Hanoi to Singapore?",
        "answer": "On Hanoi to Singapore flights, basic economy fares often exclude checked bags. Standard economy typically includes one checked bag and a carry‑on, while premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Hanoi to Singapore?",
        "answer": "Flights from Hanoi to Singapore typically offer Economy and flat-bed Business class; Premium Economy is uncommon on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare; flexible tickets and premium cabins usually allow same‑day changes or standby, while the cheapest fares rarely do."
      }
    }
  }
}