{"response": {"Key": "CPH-US", "orig": {"code": "CPH", "type": "airport", "city": "Copenhagen", "fullCity": "Copenhagen, Denmark", "airport": "Kastrup Airport"}, "dest": {"code": "US", "type": "country", "country": "United States"}, "faq": {"q0": {"question": "Which cities in United States can I fly to from Copenhagen?", "answer": "From Copenhagen you can fly non-stop to New York, Newark, Washington D.C., Chicago, Los Angeles, San Francisco, Miami, and Boston. One-stop connections via major European hubs open up almost every other U.S. city. Choose New York or Washington for East Coast city breaks, Chicago for the Midwest, or Los Angeles and San Francisco for the West Coast and national parks."}, "q1": {"question": "How long is the flight from Copenhagen to United States?", "answer": "From Copenhagen to the United States, non-stop flights to New York are common and take about 8½ to 9 hours westbound, while the return eastbound is closer to 8 hours. One‑stop routes to the West Coast, such as Los Angeles, typically range from 13 to 16 hours depending on the connection."}, "q2": {"question": "Are there direct flights from Copenhagen to United States?", "answer": "Yes, there are non-stop flights from Copenhagen to several U.S. cities. SAS flies to New York (JFK and Newark), Chicago, Washington D.C., Boston, and Los Angeles. Delta operates a non-stop to New York JFK. Flight times are around 8 to 9 hours westbound and slightly shorter eastbound. If non-stops are unavailable, common one-stop routings go via hubs like Amsterdam, London, or Frankfurt, with total travel times of about 11 to 14 hours."}, "q3": {"question": "Which airlines fly from Copenhagen to United States?", "answer": "Nonstop from Copenhagen: SAS and Norwegian to New York, plus Delta to JFK. One-stop via London, Frankfurt, Amsterdam, Paris, Reykjavik."}, "q4": {"question": "When is the cheapest time to fly from Copenhagen to United States?", "answer": "The cheapest months to fly from Copenhagen to the United States are April, November, and May, while peak summer (June and July) and the December holiday period are the most expensive. Booking about 23 to 26 weeks ahead typically yields the lowest fares, and midweek departures generally offer better value than weekends. For the best combination, aim for a Tuesday or Wednesday flight in late spring or autumn, and avoid travel around major holidays and the height of summer.", "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. 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."}, "q5": {"question": "How far in advance should I book flights from Copenhagen to United States?", "answer": "For flights from Copenhagen to the United States, the optimal booking window is 23 to 26 weeks before departure, when average fares sit around $810, though you can often find the best deals by booking up to 180 days out (around $762); summer and holiday travel push prices higher, so locking in earlier for June, July, or December helps, while shoulder months like April or November can sometimes be booked a bit closer in.", "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. 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."}, "q6": {"question": "What are the most popular cities to visit in United States?", "answer": "Flights from Copenhagen to the U.S. typically land at major hubs like New York (JFK or EWR), Miami, Los Angeles or San Francisco. From there, domestic flights or trains connect you to other regions. New York offers iconic sights, culture and dining. Miami is a gateway to beaches and Florida’s coast. Los Angeles gives you Hollywood and access to the West Coast. San Francisco is known for tech, hills and nearby nature. Travelers often combine these with short flights to Las Vegas, Chicago or national parks."}, "q8": {"question": "Which airports in United States are best to fly into from Copenhagen?", "answer": "From Copenhagen to the United States, the best airport depends on your destination. New York JFK and Newark offer the most direct flights and excellent onward train connections along the East Coast. Chicago O'Hare is a major hub for the Midwest with many connecting flights. Los Angeles is ideal for California and the West Coast, while Miami serves Florida and the Caribbean. For resorts, consider Orlando or Las Vegas. Most U.S. airports have limited rail links, so you may need connecting flights or rental cars."}, "q12": {"question": "When is the best time of year to visit United States?", "answer": "For the United States, spring (April to June) and autumn (September to October) generally offer mild weather and fewer crowds than the busy, expensive summer months. However, the best time varies by region due to the country's size and climate diversity."}, "q13": {"question": "How do I get to Kastrup Airport from the city center?", "answer": "The fastest and most popular way to reach Copenhagen Airport from downtown is the regional train, which departs from Copenhagen Central Station every 10–20 minutes and takes about 13 minutes. The Metro M2 line also runs frequently from the city center to the airport in roughly 15 minutes, offering a similarly quick alternative. Buses, including line 5C, provide a cheaper option but take longer due to traffic. Taxis and ride‑share services are available at a higher cost, and driving is possible with several on‑airport parking areas, though parking fees apply.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://cph.dk/en/parking-transport/bus-train-metro-taxi/terminal-bus-old", "title": "The terminal bus at Copenhagen Airport | CPH", "time_published": "2026-03-18T00:00:00Z"}, {"url": "https://www.cph.dk/en/parking-transport/bus-train-metro-taxi", "title": "Buses, trains, metro and taxi", "favicon": "https://www.cph.dk/495324/globalassets/1.-frontpage/cph_icon_blue_rgb.png?format=webp"}, {"url": "https://en.wikipedia.org/wiki/Copenhagen_City_Airport", "title": "Copenhagen City Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-09T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Copenhagen_Airport", "title": "Copenhagen Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-15T16:10:30Z"}, {"url": "https://www.cph.dk/en/parking-transport/bus-train-metro-taxi/bus", "title": "Buses to and from Copenhagen Airport", "time_published": "2026-03-18T00:00:00Z"}]}}}}