{
  "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": "Currently there are no nonstop flights from Bengaluru (BLR) to San Francisco (SFO). With one stop, typical total travel time ranges from 20 to 24 hours depending on the layover. Common layover cities include Dubai (DXB), Doha (DOH), Frankfurt (FRA), and London (LHR). The return flight from SFO to BLR often takes slightly longer, usually 21 to 26 hours, due to prevailing winds and layover durations. Airlines like Emirates, Qatar Airways, and Lufthansa offer competitive one-stop services, with some itineraries as short as 19 hours 30 minutes eastbound and 21 hours westbound."
      },
      "q1": {
        "question": "Are there any direct flights from Bengaluru to San Francisco?",
        "answer": "There are no nonstop flights from Bengaluru to San Francisco. The shortest connecting routing is typically via Delhi with Air India, taking around 22 to 24 hours total including a roughly 3‑hour layover. Other one‑stop options include connections through Hong Kong, Frankfurt, Dubai, Tokyo, Doha, or Singapore, with total travel times generally ranging from 20 to 26 hours.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Bengaluru to San Francisco?",
        "answer": "Yes, there are visa requirements for travel from Bengaluru to San Francisco. Indian citizens must obtain a U.S. visa before departure, typically a B-1/B-2 visitor visa for tourism or business, unless they qualify for a different category. U.S. citizens do not need a visa to enter India but must have a valid Indian e-Visa or regular visa for entry into India when traveling 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": "From San Francisco International Airport (SFO), you can reach downtown San Francisco via BART (Bay Area Rapid Transit), which takes about thirty minutes and is the most used option due to its speed and low cost. Taxis and ride-share services like Uber and Lyft are readily available and provide a door-to-door trip in twenty to thirty minutes depending on traffic, though they are more expensive. SamTrans buses connect to various parts of the city but are slower. Car rentals are available at the airport, but driving and parking downtown can be difficult and costly. The BART station is located in the International Terminal, accessible by the AirTrain from all terminals."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Bengaluru to San Francisco?",
        "answer": "The cheapest months to fly from Bengaluru to San Francisco are March (average $955), September ($1018), and April ($1059), with the overall low season spanning March, April, September, and October. The most expensive months are June (average $1434), December ($1355), and July ($1302), while May and the winter holiday period also see higher fares.",
        "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.",
        "relevant": true,
        "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 optimal booking window is about 6 to 9 weeks before departure, with an average fare around $1,059. Booking around 60 days ahead often yields the lowest prices, while waiting until the last minute or booking more than 18 weeks out can cost over $1,200. For summer and holiday periods, it's wise to book a bit earlier, as prices tend to rise more sharply closer to departure.",
        "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.",
        "relevant": true,
        "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 (BLR) to San Francisco (SFO). Neither a nonstop red-eye nor a connecting itinerary whose long leg is a red-eye was found in the schedule data for 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 Bengaluru to San Francisco?",
        "answer": "There is no nonstop service from Bengaluru to San Francisco. The schedule data shows common one-stop routings on Air India via Delhi, Cathay Pacific via Hong Kong, Lufthansa via Frankfurt, Emirates via Dubai, United (with Lufthansa) via Frankfurt, Qatar Airways via Doha, Japan Airlines via Tokyo Narita, and Singapore Airlines via Singapore. These are the carriers that typically appear for this route, though actual weekly frequencies and availability may vary.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Bengaluru and San Francisco?",
        "answer": "Common layover cities include Dubai, Doha, and Frankfurt. Dubai and Doha offer efficient one-stop connections with broad networks and visa-free transit for many nationalities. Frankfurt provides a direct routing option with efficient transfers, though total travel time may be slightly longer."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Bengaluru to San Francisco?",
        "answer": "On-time departures from Kempegowda International Airport are generally reliable, but afternoon and evening flights can encounter delays due to air traffic or weather. For better odds, choose early morning departures. Air India and United operate this route; Air India's morning flights often perform well, while United's late-night departures may be less punctual."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Francisco?",
        "answer": "September to November delivers warm, sunny days and thinner tourist crowds, making it the best time to visit San Francisco."
      },
      "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, proof of onward or return travel, a payment method for baggage fees, and any required vaccination certificates. As this is an international flight, domestic ID rules like Real ID do not apply."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco International is the primary airport, located about 13 miles south of downtown. It serves as a major hub for United Airlines and Alaska Airlines, with extensive domestic and international connections. Oakland International, across the bay, is roughly 20 miles from downtown San Francisco and is a focus city for Southwest Airlines, offering many low-cost and domestic flights. San Jose International is about 45 miles south of downtown San Francisco and serves Silicon Valley, with a mix of airlines including Southwest and Alaska. For most travelers to San Francisco proper, SFO is the most convenient."
      },
      "q13": {
        "question": "How do I get to Kempegowda Intl Airport from the city center?",
        "answer": "From central Bengaluru to Kempegowda International Airport, the Vayu Vajra BMTC buses are the most popular and affordable option, taking 60–90 minutes depending on traffic. App-based rideshares and taxis are faster outside peak hours but cost significantly more. There is no direct metro yet. Driving yourself and parking is possible but less common and costly for long stays."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport has the Grand Hyatt at SFO, which is connected to all terminals via the AirTrain people mover. No capsule hotels or sleeping pods are available inside the terminals. Nearby hotels like the Westin and Marriott are connected by free shuttle."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at San Francisco Intl Airport?",
        "answer": "San Francisco International Airport has currency exchange counters in all terminals, a Berman Reflection Room for prayer and meditation in Terminal 2 post‑security, and free Wi‑Fi throughout the airport."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Bengaluru and San Francisco airports?",
        "answer": "Kempegowda International Airport Bengaluru offers wheelchair assistance, accessible restrooms, and reserved parking; request help at least 48 hours in advance via your airline. Children’s play areas are located in the domestic and international departures. San Francisco International provides wheelchair service from curb to gate, visual paging, and a sensory room in Terminal 2; book assistance in advance with your airline. Kids’ Spots play areas are in Terminals 2 and 3."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Bengaluru to San Francisco?",
        "answer": "There is no nonstop service from Bengaluru (BLR) to San Francisco (SFO). On typical one-stop connections, the long-haul leg is most frequently operated by Boeing 777-300ER aircraft (often via Delhi on Air India), with other common types including the Boeing 777, Boeing 747-8I, Airbus A380-800, Boeing 777-300, Airbus A350-900, and Airbus A350-1000, depending on the connecting hub and airline. The exact aircraft can vary by day and carrier; Wi-Fi and seatback entertainment are widely available on these long-haul segments.",
        "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": "On the Bengaluru to San Francisco route, the one-stop connecting patterns shown in schedule data are operated by Star Alliance carriers (Air India, Lufthansa, United, and Singapore Airlines) and oneworld carriers (Cathay Pacific and Qatar Airways); SkyTeam does not appear. Emirates, a major unaligned carrier, also serves this route, while Air India Express (a low-cost affiliate of Air India) appears on some itineraries but is not itself an alliance member.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Bengaluru?",
        "answer": "At Kempegowda International Airport Bengaluru, the Air India Maharaja Lounge in the international terminal is available to Air India business-class passengers and Star Alliance Gold members, offering a buffet and a quiet seating area. The Plaza Premium Lounge in the international departures area accepts Priority Pass and sells day passes, providing a bar, showers and runway views."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Bengaluru to San Francisco?",
        "answer": "For Bengaluru–San Francisco, baggage rules depend on the airline and ticket type. Basic economy fares often exclude checked luggage. Standard international economy usually includes one checked bag and a carry-on. Premium cabins allow more. Always check your specific fare's details."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Bengaluru to San Francisco?",
        "answer": "On Bengaluru to San Francisco routes, you can typically choose Economy, Premium Economy, and flat-bed Business class, with First class offered only on select flights."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Same‑day changes or standby depend on the airline and fare class, with flexible and premium tickets offering the best chance, though international routes may have additional restrictions."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Bengaluru to San Francisco?",
        "answer": "For Bengaluru to San Francisco, Tuesdays tend to be the cheapest day to fly with an average fare around $1,835, while Sundays are the most expensive at about $1,994. Departing in the morning window offers the lowest fares (from $988), whereas midday departures are the priciest with a minimum of $1,215.",
        "methodology": "The cheapest day of the week and time of day to depart are drawn from the same large sample of real fares Priceline users found on this route in the last 72 hours, grouped by the day of the week and by the time-of-day window of the outbound departure, with the lowest and average price reported for each.",
        "relevant": true,
        "toolsUsed": [
          "departure_timing"
        ]
      },
      "q25": {
        "question": "What is a good price for a flight from Bengaluru to San Francisco?",
        "answer": "A good fare for a flight from Bengaluru to San Francisco is anything under $1,223, which is considered a great deal. Typical prices on this route are around $1,659, with most fares falling between $1,200 and $1,800.",
        "methodology": "The typical price, the lowest fare, a 'great deal' threshold, and how fares are spread across price bands are summarized from a large sample of the real fares Priceline users found on this route in the last 72 hours, with a small fraction of extreme outlier fares excluded from the range.",
        "relevant": true,
        "toolsUsed": [
          "price_context"
        ]
      }
    }
  }
}