{
  "response": {
    "Key": "BCN-SFO",
    "orig": {
      "code": "BCN",
      "type": "airport",
      "city": "Barcelona",
      "fullCity": "Barcelona, Spain",
      "airport": "El Prat 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 Barcelona to San Francisco?",
        "answer": "A nonstop flight from Barcelona (BCN) to San Francisco (SFO) typically takes about 12 hours 20–25 minutes. The return nonstop flight from San Francisco to Barcelona is often slightly longer, around 11 hours 40–50 minutes. With one stop, depending on the layover city, total travel time can range from 14 to 16 hours."
      },
      "q1": {
        "question": "Are there any direct flights from Barcelona to San Francisco?",
        "answer": "Yes, nonstop flights from Barcelona to San Francisco are available. United Airlines operates daily service, while Iberia and LEVEL each fly four times a week on Tuesday, Thursday, Saturday, and Sunday. United uses a Boeing 777 on the 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. 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_airlines",
          "flight_schedule",
          "route_aircraft"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Barcelona to San Francisco?",
        "answer": "Yes, visa requirements apply for the Barcelona to San Francisco route. U.S. citizens traveling to Spain (Schengen area) can stay up to 90 days without a visa, but from mid-2025 will need an ETIAS authorization. Spanish and other EU citizens can travel to the U.S. under the Visa Waiver Program with a valid ESTA approval. Non-EU citizens should check both U.S. and Schengen visa requirements based on their nationality."
      },
      "q3": {
        "question": "What are the ground transportation options in San Francisco?",
        "answer": "BART rapid rail is the fastest and most-used option, connecting SFO directly to downtown San Francisco in about 30 minutes. Ride-share services like Lyft and Uber are also popular, with pick-up on Level 5 of the Domestic Garage. Taxis are available at the arrivals level, while rental cars can be accessed via the AirTrain Blue Line to the Rental Car Center. Waymo autonomous rides are available for select passengers, and some hotels offer complimentary shuttles.",
        "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 Barcelona to San Francisco?",
        "answer": "The cheapest months to fly from Barcelona to San Francisco are October, September, and April, with average fares around $700–$713. The most expensive period is early summer, with June averaging $1,001, followed by July at $930 and May at $827.",
        "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 Barcelona to San Francisco?",
        "answer": "For the best fare on flights from Barcelona to San Francisco, book 11 to 14 weeks ahead, when prices average $809. Booking 180 days out can sometimes yield a slightly lower fare around $802, while waiting until the last two weeks pushes prices toward $900 and above.",
        "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 Barcelona to San Francisco?",
        "answer": "No overnight (red-eye) flights are available from Barcelona to San Francisco — neither nonstop nor connecting itineraries with an overnight long leg operate 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 Barcelona to San Francisco?",
        "answer": "United offers daily nonstop flights from Barcelona to San Francisco, while Iberia and Level each operate four weekly nonstops on Tuesday, Thursday, Saturday, and Sunday. United’s median fare is around $933, and Iberia’s is about $1,113. Level also serves the route but its median fare is not available in the data.",
        "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 Barcelona and San Francisco?",
        "answer": "Common layovers include Madrid, London, Paris, and Frankfurt, which offer efficient one-stop itineraries with broad connections and competitive total travel times."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Barcelona to San Francisco?",
        "answer": "On‑time performance is generally reliable, though afternoon departures can encounter delays due to airport congestion. Early flights, particularly on level or Iberia, often have better punctuality."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Francisco?",
        "answer": "September and October offer San Francisco’s warmest, sunniest weather with fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Barcelona to San Francisco?",
        "answer": "Bring a passport valid for at least six months, an ESTA authorization or U.S. visa, proof of onward or return travel, a payment method for baggage, and any required vaccination certificates or health documents."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco International is the primary airport for the region, located 13 miles south of downtown with direct BART rail access. It is a major hub for United Airlines and serves international and domestic flights. Oakland International and San Jose International are alternate airports for the Bay Area, both about 40 miles from downtown San Francisco and mainly offering domestic and low-cost carrier services."
      },
      "q13": {
        "question": "How do I get to El Prat Airport from the city center?",
        "answer": "To reach Barcelona-El Prat Airport from the city center, the Aerobús express shuttle is the most popular and direct option, with frequent departures from Plaça de Catalunya. The L9 Sud metro line offers a cheaper alternative, though it takes slightly longer. Taxis and ride‑share services provide door‑to‑door convenience at a higher cost, while driving yourself is possible but parking can be expensive. The metro and Aerobús are typically the fastest, with the Aerobús being the best balance of speed and cost for most travelers.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/BCN",
            "title": "BCN",
            "time_published": "2026-05-19T15:20:26Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Josep%20Tarradellas%20Barcelona%E2%80%93El%20Prat%20Airport",
            "title": "Josep Tarradellas Barcelona–El Prat Airport",
            "time_published": "2026-04-30T23:39:01Z"
          },
          {
            "url": "https://serviciosvip.aena.es/vip/en/aeropuertos/josep-tarradellas-barcelona-el-prat/servicios-asistencia-pasajeros/meet-and-assist",
            "title": "Assistance services at Josep Tarradellas Barcelona El Prat Airport",
            "time_published": "2026-02-02T00:00:00Z"
          },
          {
            "url": "https://serviciosvip.aena.es/vip/en/aeropuertos/josep-tarradellas-barcelona-el-prat/acceso-prioritario-fast-lane",
            "title": "Preferential access at Barcelona El Prat Airport - Fast Lane",
            "time_published": "2024-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transport%20in%20Barcelona",
            "title": "Transport in Barcelona",
            "time_published": "2026-03-22T17:45:21Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport has the on-site Grand Hyatt at SFO, connected to the terminals via the AirTrain. Nearby hotels like the San Francisco Airport Marriott Waterfront and The Westin San Francisco Airport offer complimentary shuttles. There are no capsule hotels or sleeping pods, but the International Terminal does offer hourly nap rooms and showers.",
        "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 offers currency exchange services, a prayer room, and free Wi‑Fi. Currency exchange is available in the International Terminal, with additional locations in Terminals 1 and 3. A Reflection Room in the International Terminal serves as a quiet space for prayer and meditation. 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 Barcelona to San Francisco?",
        "answer": "The nonstop Barcelona–San Francisco route is flown by United Airlines using the Boeing 777. On connecting itineraries, the most common long-haul aircraft include the Boeing 777-200 (often via Dallas/Fort Worth or New York JFK), the Boeing 787-8 and 787-9 (via Chicago O'Hare or Frankfurt), and the Airbus A350-900 (via Paris CDG); a wide range of other types such as the Boeing 747-8I, Boeing 777-300ER, Airbus A380-800, and Airbus A330-300 also appear on various one-stop routings. The exact aircraft can vary by day and airline, and on most of these long-haul jets Wi‑Fi and seatback entertainment are widely available.",
        "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 Barcelona?",
        "answer": "At Barcelona-El Prat Airport, Terminal 1 houses three independent Sala VIP lounges: Pau Casals, Colomer, and Miró, all accessible via Priority Pass, business-class tickets, or a day pass starting around €35, with Pau Casals offering a terrace and showers. Terminal 1 also has a Premium VIP Lounge, while Terminal 2 features the Sala VIP Canudas, both with similar access rules. None of the major U.S. airlines operate their own branded lounges at BCN, so these contract lounges are the primary options for travelers to San Francisco.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/spain/barcelona-el-prat",
            "title": "Barcelona El Prat Josep Tarradellas Airport BCN Lounges - BCN Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://prioritypass.com/lounges/spain/barcelona-el-prat/bcn4-sala-vip-miro",
            "title": "Barcelona El Prat Josep Tarradellas Airport BCN Lounges - BCN Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/BCN",
            "title": "American Express Lounges at Barcelona Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-gb/travel/lounges/the-platinum-card/BCN",
            "title": "American Express Lounges at Barcelona Airport | Amex GB",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://flights.cathaypacific.com/destinations/en_HK/flights-from-barcelona",
            "title": "All Flights from Barcelona (BCN) | Barcelona | Cathay Pacific | Spain"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Barcelona to San Francisco?",
        "answer": "On flights from Barcelona to San Francisco, baggage allowance depends on the airline and fare class. Basic economy may not include a checked bag; standard economy often includes one checked bag and a carry‑on. Premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Barcelona to San Francisco?",
        "answer": "Flights from Barcelona to San Francisco typically offer Economy and flat‑bed Business class; Premium Economy is available on select airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Same‑day changes and standby depend on the airline and fare class, with flexible and premium cabin tickets offering the most lenient options on this international route."
      }
    }
  }
}