{
  "response": {
    "Key": "CAN-SFO",
    "orig": {
      "code": "CAN",
      "type": "airport",
      "city": "Guangzhou",
      "fullCity": "Guangzhou, China",
      "airport": "Baiyun Intl Airport"
    },
    "dest": {
      "code": "SFO",
      "type": "airport",
      "city": "San Francisco",
      "fullCity": "San Francisco, California",
      "airport": "San Francisco Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Guangzhou to San Francisco?",
        "answer": "A nonstop flight from Guangzhou (CAN) to San Francisco (SFO) typically takes around 12 hours eastbound and about 14 hours westbound. With one stop, common layovers include Beijing or Seoul, and total travel time often ranges from 16 to 20 hours depending on the connection. China Southern offers nonstop service, while airlines like Air China and Korean Air provide one-stop options."
      },
      "q1": {
        "question": "Are there any direct flights from Guangzhou to San Francisco?",
        "answer": "Yes, China Southern (CZ) flies nonstop from Guangzhou (CAN) to San Francisco (SFO), with two flights per week on Tuesdays and Saturdays, departing at 22:55 and 23:20. It's the only airline offering direct service on this route.",
        "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 and weekly frequencies are summarized 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). Where available, on-time and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, and typical fares from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Guangzhou to San Francisco?",
        "answer": "Yes, visa requirements apply. If you are a Chinese citizen, you generally need a U.S. visa to enter the United States; a valid B-1/B-2 visitor visa is required for tourism or business. If you are a U.S. citizen, you need a Chinese visa to enter China; for tourism, a 10-year multiple-entry L visa is commonly used. For other nationalities, check both U.S. and Chinese visa policies based on your passport. Note that the U.S. Visa Waiver Program and ESTA are not available to Chinese passport holders."
      },
      "q3": {
        "question": "What are the ground transportation options in San Francisco?",
        "answer": "BART rapid rail is the fastest and most-used way to reach downtown San Francisco, with trains departing directly from the International Terminal. Ride-share services like Lyft and Uber pick up on Level 5 of the Domestic Garage, while taxis are available at the arrivals curb. Autonomous Waymo rides are also an option for select passengers, picking up at the Rental Car Center. Rental cars are accessible via the AirTrain Blue Line, and many hotels offer complimentary shuttle service. For those being picked up, a free cell phone waiting lot is available.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://flysfo.com/passengers/ground-transportation",
            "title": "Ground Transportation | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-04-08T21:19:40Z"
          },
          {
            "url": "https://flysfo.com/de/node/10188",
            "title": "Ground Transportation | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-04-08T21:19:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/SFO",
            "title": "San Francisco International Airport",
            "time_published": "2026-04-27T05:13:36Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/San_Francisco_International_Airport",
            "title": "San Francisco International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-18T07:52:09Z"
          },
          {
            "url": "https://www.flysfo.com/pt-br",
            "title": "Home Page | San Francisco International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Guangzhou to San Francisco?",
        "answer": "The cheapest months to fly from Guangzhou to San Francisco are September (average $897), October ($914), and November ($932), with late summer also offering lower fares in August ($953). The most expensive months are June (average $1,479), December ($1,252), and May ($1,221), while spring and winter shoulder months fall in between.",
        "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. 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.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Guangzhou to San Francisco?",
        "answer": "For flights from Guangzhou to San Francisco, the optimal booking window is roughly 6 to 9 weeks before departure, with the absolute lowest fares around 50 days out at about $1,146. Booking at the last minute (0 days) can push prices up to around $1,450, while booking very early (4-6 months ahead) also yields slightly higher fares. Summer and holiday periods likely see sharper price increases closer to departure, so aiming for that 6-9 week window is even more critical during peak seasons.",
        "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.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Guangzhou to San Francisco?",
        "answer": "No overnight (red‑eye) flights operate from Guangzhou to San Francisco — neither nonstop red‑eyes nor connecting itineraries whose long leg is a red‑eye were found 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 Guangzhou to San Francisco?",
        "answer": "China Southern operates non‑stop from Guangzhou to San Francisco, with four weekly flights on Tuesdays and Saturdays, departing around 10:55 PM or 11:20 PM. The median fare on China Southern is about $1,636, and it is the low‑fare leader for this route.",
        "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 Guangzhou and San Francisco?",
        "answer": "Common layovers include Seoul, Tokyo, Shanghai and Beijing, which keep total travel time competitive. Seoul and Tokyo offer efficient transfers, while Shanghai and Beijing provide broad domestic and international connections. Note that transit through Beijing or Shanghai may require a 24-hour visa-free transit permit if you meet eligibility criteria."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Guangzhou to San Francisco?",
        "answer": "On‑time performance is generally reliable, though afternoon departures can face delays due to air traffic or weather. Early flights, especially on China Southern, tend to depart closer to schedule."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Francisco?",
        "answer": "September to November offers warm, sunny days and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Guangzhou to San Francisco?",
        "answer": "Bring a passport valid for at least six months beyond your stay, a valid U.S. visa or ESTA, proof of onward travel, a payment method for baggage, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco has three airports. San Francisco International is the primary international gateway, located 13 miles south of downtown, serving major global airlines and alliances. Oakland International is across the bay, often used by low-cost carriers and for domestic connections. San Jose International serves the South Bay and is convenient for Silicon Valley business travelers."
      },
      "q13": {
        "question": "How do I get to Baiyun Intl Airport from the city center?",
        "answer": "From downtown Guangzhou, the fastest way to reach Baiyun International Airport is via Metro Line 3 (Airport Express), which connects directly to the terminals in about 30–45 minutes. Airport shuttle buses also serve major city points and hotels, offering a comfortable alternative with luggage space. Taxis and ride‑share services provide door‑to‑door convenience, though travel time depends on traffic and they are more expensive than the metro. Driving yourself is possible, with short‑ and long‑term parking available at the airport, but it’s generally less popular due to congestion and higher cost.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Transportation%20in%20Montreal",
            "title": "Transportation in Montreal",
            "time_published": "2026-03-15T16:43:15Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transport_in_Póvoa_de_Varzim",
            "title": "Transport in Póvoa de Varzim",
            "time_published": "2026-03-17T14:18:34Z"
          },
          {
            "url": "https://www.stanstedairport.com/help/assisted-travel/travel-and-public-transport/",
            "title": "Know what you are looking for?",
            "time_published": "2024-12-13T00:00:00Z"
          },
          {
            "url": "https://www.dublinairport.com/latest-news/2022/04/20/dublin-airport-welcomes-new-dublin-express-route-between-airport-and-city-centre",
            "title": "Dublin Airport Welcomes New Dublin Express Route Between Airport and City Centre",
            "time_published": "2022-04-20T00:00:00Z"
          },
          {
            "url": "https://dublinairport.com/to-from-the-airport/by-bus/all-ireland-bus-routes",
            "title": "All-Ireland Bus Routes from Dublin Airport | Nationwide Coach Services",
            "time_published": "2025-02-24T00:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport (SFO) has the Grand Hyatt at SFO connected to the International Terminal via the AirTrain, offering on-site accommodations without needing a shuttle. Hourly nap rooms and showers are available airside in the International Terminal for short rest periods. Several nearby hotels like the San Francisco Airport Marriott Waterfront and The Westin San Francisco Airport provide complimentary shuttle service to and from the terminals.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/san-francisco-airport-guide.htm",
            "title": "San Francisco Airport Guide (SFO) - 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.marriott.com/en-us/hotels/sfobg-san-francisco-airport-marriott-waterfront/overview/?EM=DNM_SANFRANCISCOAIRPORTMARRIOTT.COM",
            "title": "SFO Airport Hotel | San Francisco Airport Marriott Waterfront",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/sfowi-the-westin-san-francisco-airport/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "The Westin San Francisco Airport (Official Site) - SFO Hotel",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.flysfo.com/passengers/shop-dine-relax?content_type=things_to_do&location=3&sort_by=random",
            "title": "Shop/Dine/Relax | San Francisco International Airport",
            "time_published": "2025-10-22T23:13:26Z"
          },
          {
            "url": "https://www.flysfo.com/passengers/shop-dine-relax?content_type=All&gate_area=All&https://www.flysfo.com/passengers/shop-dine-relax?https://www_flysfo_com/passengers/shop-dine-relax?https://www_flysfo_com/passengers/shop-dine-relax?location=2&location=1659&security=All&service_tags=All&sort_by=random",
            "title": "Shop/Dine/Relax | San Francisco International Airport",
            "time_published": "2025-10-22T23:13:26Z"
          },
          {
            "url": "http://www.flysfo.com/de/node/14691",
            "title": "Press Releases | San Francisco International Airport",
            "time_published": "2025-07-09T15:54:20Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at San Francisco Intl Airport?",
        "answer": "San Francisco International Airport (SFO) offers currency exchange services, prayer facilities, and free Wi‑Fi. Currency exchange counters are available in the International Terminal and in Terminal 3. A Reflection Room for quiet prayer or meditation is located pre‑security in the International Terminal, and free Wi‑Fi is provided throughout all terminals.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://flysfo.com/passengers/shop-dine-relax",
            "title": "Shop/Dine/Relax | San Francisco International Airport",
            "time_published": "2026-03-12T16:15:43Z"
          },
          {
            "url": "http://www.flysfo.com/welcome-terminal-3",
            "title": "Welcome to Terminal 3 | San Francisco International Airport",
            "favicon": "http://www.flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-05-08T21:34:33Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/San_Francisco_International_Airport",
            "title": "San Francisco International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-18T07:52:09Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/San%20Francisco%20International%20Airport",
            "title": "San Francisco International Airport",
            "time_published": "2026-04-28T21:12:40Z"
          },
          {
            "url": "https://flysfo.com/passengers/services-amenities",
            "title": "Services & Amenities | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-03-03T22:32:54Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Guangzhou to San Francisco?",
        "answer": "There is no nonstop service between Guangzhou (CAN) and San Francisco (SFO). On connecting itineraries the long-haul leg is most often operated by a Boeing 777-300ER, Boeing 777, Boeing 787-9, or Airbus A350-900, depending on the airline and connection point; the shorter connecting leg typically uses narrow-body aircraft such as an Airbus A321, Boeing 737, or Airbus A330. The exact aircraft can vary by day and airline, and Wi‑Fi and seatback entertainment are widely available on these long-haul types.",
        "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"
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Guangzhou to San Francisco?",
        "answer": "Baggage allowance on Guangzhou–San Francisco flights depends on the airline and fare class. Basic economy tickets are usually restrictive and may not include a checked bag, while standard international economy typically includes one free checked bag and a carry‑on. Premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Guangzhou to San Francisco?",
        "answer": "Flights from Guangzhou to San Francisco usually offer Economy, Premium Economy, and flat-bed Business class; First class is less common."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies depend on the airline and fare class; flexible and premium tickets often allow same‑day changes or standby, while restrictive economy fares typically do not."
      }
    }
  }
}