{
  "response": {
    "Key": "BLR-SFO",
    "orig": {
      "code": "BLR",
      "type": "airport",
      "city": "Bengaluru",
      "fullCity": "Bengaluru, India",
      "airport": "Kempegowda 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 Bengaluru to San Francisco?",
        "answer": "There are no nonstop flights from Bengaluru (BLR) to San Francisco (SFO). A typical one-stop flight via Dubai (DXB), Doha (DOH), or Frankfurt (FRA) takes about 20 to 25 hours total, depending on layover duration. Westbound flights (BLR to SFO) are often shorter than eastbound returns due to prevailing winds, with the return typically taking 1–2 hours longer."
      },
      "q2": {
        "question": "Are there visa requirements to travel from Bengaluru to San Francisco?",
        "answer": "Yes, a visa is required for most travelers. If you are an Indian citizen, you need a U.S. visa (such as B-1/B-2 for tourism/business) before traveling from Bengaluru to San Francisco. If you are a U.S. citizen, you need an Indian visa or an e-Visa (e.g., e-Tourist Visa) to enter India, which you must obtain before your return flight from San Francisco to Bengaluru. Other nationalities should check both U.S. and Indian entry requirements based on their citizenship."
      },
      "q3": {
        "question": "What are the ground transportation options in San Francisco?",
        "answer": "At San Francisco International Airport (SFO), the fastest way to downtown is the BART rapid rail, which connects directly from the International Terminal via AirTrain. Ride-share services like Lyft and Uber pick up on Level 5 of the Domestic Garage, and taxis are available outside arrivals. Rental cars are centralized at the Rental Car Center, reachable by the AirTrain Blue Line, and many hotels offer complimentary shuttles. BART is the most-used option for its speed and reliability, especially during peak traffic.",
        "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 Bengaluru to San Francisco?",
        "answer": "The cheapest time to fly from Bengaluru to San Francisco is late summer through early fall, with the lowest average fares in September ($953), October ($1021), and August ($1051). The most expensive months are June ($1443), December ($1423), and July ($1348), which fall in the early and late summer and winter holiday 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. 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 Bengaluru to San Francisco?",
        "answer": "For flights from Bengaluru to San Francisco, the best fares are typically found when booking 6 to 9 weeks ahead, with the absolute cheapest around 60 days out at about $1,091. Booking last-minute pushes prices to around $1,296, while booking more than 4 months early also sees higher fares. During summer and holiday peaks, demand shifts the window slightly earlier, so aim for the earlier part of that range or even 8–10 weeks ahead.",
        "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 Bengaluru to San Francisco?",
        "answer": "No overnight (red-eye) flights are available from Bengaluru to San Francisco — neither nonstop nor as a connecting itinerary whose long leg is a red-eye.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Bengaluru and San Francisco?",
        "answer": "Common layovers include Dubai, Doha, and London. Dubai and Doha offer efficient one-stop connections on Emirates and Qatar Airways with minimal total travel time, while London provides a transatlantic option with broad onward connections to San Francisco."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Bengaluru to San Francisco?",
        "answer": "On‑time performance is generally good, though afternoon departures can face minor delays due to air traffic. Early morning flights, such as those operated by Air India, tend to be more punctual."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Francisco?",
        "answer": "September to November offers the warmest, sunniest weather with fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Bengaluru to San Francisco?",
        "answer": "Bring a passport valid for at least six months beyond your stay, a valid U.S. visa or ESTA, and proof of onward or return travel. Carry a payment method for baggage and check for any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco International is the primary airport for the city and offers direct international connections. Oakland International is a low‑cost alternative across the bay, while San Jose International serves the South Bay tech corridor."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport (SFO) has an on‑airport hotel, the Grand Hyatt at SFO, located directly on the AirTrain line with no shuttle required. It is connected to all terminals via the free AirTrain, and is situated near the International Terminal. For a private rest, hourly nap rooms and showers are also available inside the International Terminal.",
        "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 does have currency exchange offices, a reflection room that includes a prayer room, and free Wi‑Fi. Currency exchange services are available in multiple terminals, including the International Terminal, while the reflection room provides a quiet space for prayer and meditation. Free Wi‑Fi is offered throughout the airport for all passengers.",
        "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 Bengaluru to San Francisco?",
        "answer": "There is no nonstop service between Bengaluru and San Francisco, so all flights connect. On the long transoceanic leg, the most common aircraft are the Boeing 777-300ER, Boeing 787-9, Airbus A350-900, and Boeing 747-8I, with the Boeing 777 (including the -300ER variant) and Airbus A380-800 also appearing. The exact aircraft varies by airline and day — for example, Lufthansa uses the 747-8I or 787-9 via Frankfurt or Munich, Emirates fields the A380 and 777-300ER via Dubai, and Air France flies the A350-900 and 777-300ER via Paris. 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"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Bengaluru to San Francisco?",
        "answer": "Star Alliance (via United or Lufthansa connections in Frankfurt or Munich), SkyTeam (via Air France through Paris), and Oneworld (via Qatar Airways through Doha) all serve one-stop itineraries from Bengaluru to San Francisco. Emirates also operates connecting flights via Dubai but belongs to no global alliance.",
        "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"
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Bengaluru to San Francisco?",
        "answer": "Baggage allowance on Bengaluru–San Francisco flights depends on the airline and fare type. Basic economy tickets are restrictive and may not include a checked bag, while standard international economy fares typically include one checked bag and a carry‑on. Premium cabins offer higher allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Bengaluru to San Francisco?",
        "answer": "Flights from Bengaluru to San Francisco usually feature Economy, Premium Economy, and flat‑bed Business class."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium cabin tickets generally allow same‑day changes or standby, while basic economy tickets typically do not."
      }
    }
  }
}