{
  "response": {
    "Key": "LIS-IAD",
    "orig": {
      "code": "LIS",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "dest": {
      "code": "IAD",
      "city": "Washington D.C.",
      "fullCity": "Washington D.C., United States",
      "airport": "Washington Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Lisbon to Washington D.C.?",
        "answer": "A nonstop flight from Lisbon (LIS) to Washington D.C. (IAD) typically lasts about 7 hours 45 minutes to 8 hours. Flights with layovers usually take between 9 and 12 hours, depending on the connection city and duration."
      },
      "q1": {
        "question": "Are there any direct flights from Lisbon to Washington D.C.?",
        "answer": "Yes. TAP Air Portugal offers daily non-stop flights from Lisbon to Washington D.C., with flight durations around 8 hours 30 minutes. The route is primarily operated by TAP Air Portugal, with some seasonal or additional flights by other carriers. Non-stop flights tend to be about 20-40% more expensive than one-stop options, which can include a layover in European hubs."
      },
      "q2": {
        "question": "Are there visa requirements to travel from Lisbon to Washington D.C.?",
        "answer": "U.S. citizens can enter Portugal for up to 90 days without a visa for tourism or business. Portuguese nationals do not require a visa to enter the United States for short visits. Travelers from Lisbon to Washington D.C. should verify current entry requirements before travel, especially considering any recent changes in visa policies or travel restrictions."
      },
      "q3": {
        "question": "What are the ground transportation options in Washington D.C.?",
        "answer": "Washington D C s Dulles International Airport offers several ground transportation options. The Silver Line Metrorail train connects the airport to downtown D C in about thirty-five minutes and is the most popular and cost-effective choice. Taxis and ride-share services like Uber and Lyft are available outside the arrivals area, providing direct and convenient service to any destination in the city, typically taking around twenty to thirty minutes depending on traffic. Car rentals are also available at the airport for travelers needing longer-term transportation or regional trips. The Metrorail is most frequently used by travelers for its affordability and efficiency."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Lisbon to Washington D.C.?",
        "answer": "Fares are generally lowest from January to March and in November. Departing on Tuesday or Wednesday afternoons often yields savings; booking around six to nine weeks ahead is advisable."
      },
      "q5": {
        "question": "How far in advance should I book tickets from Lisbon to Washington D.C.?",
        "answer": "Book nine to twelve weeks ahead for most travel, and twelve to sixteen weeks during summer and holiday peaks."
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Lisbon to Washington D.C.?",
        "answer": "Yes. Red‑eye flights from Lisbon to Washington D.C. typically depart in the evening and arrive early morning, allowing travelers to maximize daytime activities upon arrival."
      },
      "q7": {
        "question": "Which airlines usually operate this route from Lisbon to Washington D.C.?",
        "answer": "TAP Air Portugal offers direct flights. One‑stop options include Lufthansa, Air France, British Airways, and United via European hubs."
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Lisbon and Washington D.C.?",
        "answer": "Common layovers include London, Madrid, Frankfurt and Toronto, offering broad connections, efficient transfers, and visa‑free transit options."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Lisbon to Washington D.C.?",
        "answer": "On‑time departures from Lisbon to Washington D.C. are usually reliable, but delays can occur, especially later in the day. Booking early morning flights increases the likelihood of on-time departures."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Washington D.C.?",
        "answer": "April to June and September to October offer mild temperatures and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Lisbon to Washington D.C.?",
        "answer": "Bring a valid passport with at least six months' validity, any required US visa or ESTA authorization, proof of onward or return travel, and a payment method for baggage. Check current COVID-19 vaccination and testing requirements for entry."
      },
      "q12": {
        "question": "Which airport should I use in Washington D.C.?",
        "answer": "Washington Dulles International (IAD) is the main international gateway, serving most long-haul flights and major alliances. Ronald Reagan Washington National (DCA) is closer to downtown but primarily handles domestic and regional flights."
      },
      "q13": {
        "question": "How do I get to Humberto Delgado Airport airport from the city center?",
        "answer": "From Lisbon city center, the Aerobus Express runs directly to Lisbon Airport in about 20 min and is economical. Taxis and ride‑shares take around 15–20 min and are more costly. Parking facilities are available at the airport."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Washington D.C. airport?",
        "answer": "Washington Dulles International Airport has on-site hotels, including the Westin Dulles and the Marriott Dulles, located in or connected to the airport complex and accessible without shuttles. There are also sleep pods and resting areas in some terminals."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Washington Intl Airport ?",
        "answer": "Washington Dulles Airport has currency exchange offices in Main Terminal and Concourse A, prayer rooms near the main terminal, and free Wi‑Fi throughout the airport."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Lisbon and Washington D.C. airports?",
        "answer": "Lisbon Airport offers wheelchair assistance and accessible facilities; request at least 48 hours in advance. Washington Dulles provides mobility assistance, accessible restrooms, and children’s play areas; contact your airline 48 hours prior to travel."
      },
      "q17": {
        "question": "Which aircraft models fly between Lisbon and Washington D.C. this route and do airlines offer Wi‑Fi?",
        "answer": "Airlines use Boeing 767‑300ER, Airbus A330 and sometimes Boeing 787. Wi‑Fi is available on most flights, with seatback entertainment as well."
      },
      "q18": {
        "question": "Which airline alliances operate this route?",
        "answer": "Oneworld operates flights on this route with airlines like TAP Air Portugal and American Airlines."
      },
      "q19": {
        "question": "What is the cheapest time of day to fly from Lisbon to Washington D.C.?",
        "answer": "Afternoon departures from Lisbon to Washington D.C. typically have lower fares compared to morning and evening flights."
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Lisbon?",
        "answer": "Lisbon Portela Airport offers the Blue Lounge, accessible to business class passengers, elite frequent flyers, and members of lounge programs like Priority Pass for a fee. It features comfortable seating, refreshments, Wi-Fi, and shower facilities, primarily used by TAP Air Portugal and other Star Alliance carriers."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Lisbon to Washington D.C.?",
        "answer": "Baggage allowances on Lisbon to Washington D.C. flights depend on the airline and fare class. Basic economy fares may not include checked bags; standard economy usually includes one checked bag and a carry‑on. Higher classes often allow more luggage."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Lisbon to Washington D.C.?",
        "answer": "Flights from Lisbon to Washington D.C. generally include Economy and flat‑bed Business class; Premium Economy is available on some airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies depend on the airline and ticket class; flexible and premium cabins typically offer same‑day change and standby options, while basic fares usually do not."
      }
    }
  }
}