{"response": {"Key": "SFO-ES", "orig": {"code": "SFO", "type": "airport", "city": "San Francisco", "fullCity": "San Francisco, California", "airport": "San Francisco Intl Airport"}, "dest": {"code": "ES", "type": "country", "country": "Spain"}, "faq": {"q0": {"question": "Which cities in Spain can I fly to from San Francisco?", "answer": "From San Francisco you can fly non-stop to Barcelona on Level and United, or connect through Madrid on one-stop itineraries. Barcelona suits beach and city stays, while Madrid is the main hub for high-speed trains to Seville, Valencia and other Spanish cities."}, "q1": {"question": "How long is the flight from San Francisco to Spain?", "answer": "From San Francisco to Spain, non-stop flights to Barcelona take about 11 hours eastbound and 12½ hours westbound. One-stop routes to Madrid typically total 13 to 15 hours, while flights to southern cities like Malaga or Seville often run 15 to 17 hours including the connection."}, "q2": {"question": "Are there direct flights from San Francisco to Spain?", "answer": "Yes, there are non-stop flights from San Francisco to Barcelona on Level and United Airlines, and to Madrid on Iberia. Flight time is about 11 to 12 hours eastbound. If you need to connect, common one-stop routings go through hubs like London, Paris or Amsterdam, with total travel times around 14 to 16 hours."}, "q3": {"question": "Which airlines fly from San Francisco to Spain?", "answer": "From San Francisco to Spain you can fly Iberia nonstop, or connect via hubs with American, Delta, United, and European carriers like British Airways and Lufthansa."}, "q4": {"question": "When is the cheapest time to fly from San Francisco to Spain?", "answer": "The cheapest months to fly from San Francisco to Spain are September, October, and November, while June, July, and May are the most expensive. For the best fare, book about 10 to 13 weeks ahead, and aim to depart on a Monday or in the afternoon, as those tend to be the lowest-priced times. Peak summer and major holidays usually bring higher prices, so traveling in the fall shoulder season and avoiding Friday departures can help you save.", "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. 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. 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."}, "q5": {"question": "How far in advance should I book flights from San Francisco to Spain?", "answer": "For flights from San Francisco to Spain, the optimal booking window is about 10 to 14 weeks before departure — roughly 2½ to 3½ months out — with the lowest fares typically appearing around 85 to 90 days 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."}, "q6": {"question": "What are the most popular cities to visit in Spain?", "answer": "In Spain, top choices include Barcelona for Gaudí and beaches, Madrid for art and culture, Seville for flamenco and Moorish architecture, Granada for the Alhambra and Valencia for paella and modern design."}, "q8": {"question": "Which airports in Spain are best to fly into from San Francisco?", "answer": "From San Francisco to Spain, Madrid Barajas is the primary gateway with the most direct long-haul options and excellent high-speed train connections across the country. Barcelona El Prat is a strong alternative if you are focusing on Catalonia or the Mediterranean coast. For beach resorts, consider Malaga on the Costa del Sol or Palma de Mallorca in the Balearic Islands, though you will typically connect through Madrid or another European hub."}, "q12": {"question": "When is the best time of year to visit Spain?", "answer": "For Spain, mid-March to June and mid-September to early November offer mild weather and fewer tourists than the busy, expensive summer months, especially in Barcelona, Madrid and Seville."}, "q13": {"question": "How do I get to San Francisco Intl Airport from the city center?", "answer": "BART rapid rail is the fastest and most popular way to reach SFO from downtown San Francisco, with a station directly connected to 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 at the arrivals curb. Several hotels run complimentary shuttles, and driving yourself is an option with parking at the airport or the Rental Car Center accessible by AirTrain. BART is generally the most affordable, while taxis and ride‑shares cost more but offer door‑to‑door convenience.", "toolsUsed": ["article_lookup"], "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"}]}}}}