{
  "response": {
    "Key": "IAD-LIS",
    "orig": {
      "code": "IAD",
      "city": "Washington D.C.",
      "fullCity": "Washington D.C., United States",
      "airport": "Washington Intl Airport"
    },
    "dest": {
      "code": "LIS",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Washington D.C. to Lisbon?",
        "answer": "A nonstop flight from Washington D.C. (IAD) to Lisbon (LIS) takes about 7 hours 15 minutes to 7 hours 30 minutes. Flights with layovers, commonly in European hubs like London or Madrid, typically range from 9 to 12 hours total."
      },
      "q1": {
        "question": "Are there any direct flights from Washington D.C. to Lisbon?",
        "answer": "Yes. Non-stop flights from Washington D.C. to Lisbon are available daily, operated primarily by TAP Air Portugal and American Airlines. The flight duration is approximately 7 hours 30 minutes to 7 hours 45 minutes. Non-stop fares are generally 10-20% higher than one-stop options, which may include connections via European hubs."
      },
      "q2": {
        "question": "Are there visa requirements to travel from Washington D.C. to Lisbon?",
        "answer": "U.S. citizens traveling from Washington D.C. to Lisbon for short visits (up to 90 days) do not require a visa but must obtain an ESTA under the Visa Waiver Program. Portuguese nationals traveling to the U.S. require a visa unless they hold a valid ESTA or other approved travel authorization. Effective from November 2023, travelers from the U.S. and Portugal should verify current entry requirements before travel."
      },
      "q3": {
        "question": "What are the ground transportation options in Lisbon?",
        "answer": "Lisbon Portela Airport offers various ground transportation options to the city center. The metro Line 1 connects the airport directly to the city in about twenty minutes and is highly used for its affordability and speed. Taxis and ride-share services are available outside the terminal, taking approximately fifteen minutes depending on traffic, and are popular for convenience. Bus services also connect the airport to central Lisbon but are less direct. Car rentals are available at the airport for regional travel but are less practical within the city. The metro is the most used method due to its efficiency and low cost."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Washington D.C. to Lisbon?",
        "answer": "Fares are generally lower from January to March and in late November through December. Midweek afternoon flights tend to be cheaper, with optimal booking windows of six to nine weeks ahead."
      },
      "q5": {
        "question": "How far in advance should I book tickets from Washington D.C. to Lisbon?",
        "answer": "Reserve tickets eight to twelve weeks in advance for regular travel and twelve to sixteen weeks for summer and holiday peaks."
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Washington D.C. to Lisbon?",
        "answer": "Yes. Non‑stop flights often depart in the late evening and arrive in the morning, allowing travelers to maximize their time in Lisbon."
      },
      "q7": {
        "question": "Which airlines usually operate this route from Washington D.C. to Lisbon?",
        "answer": "Non‑stop flights are operated by TAP Air Portugal and United Airlines. One‑stop options include Lufthansa, Air France, and British Airways."
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Washington D.C. and Lisbon?",
        "answer": "Common layovers are in London, Madrid, Paris and Frankfurt, offering broad connections and efficient transfers."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Washington D.C. to Lisbon?",
        "answer": "On‑time departures from Washington D.C. to Lisbon are generally reliable, but weather and peak travel times can cause delays. Early morning flights on TAP Air Portugal tend to have better punctuality."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Lisbon?",
        "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 Washington D.C. to Lisbon?",
        "answer": "Bring a passport valid for at least six months beyond your travel dates, a visa or Portugal ETIAS authorization if required, proof of return or onward travel, and vaccination certificates if applicable. U.S. domestic travel requires a Real ID or valid passport."
      },
      "q12": {
        "question": "Which airport should I use in Lisbon?",
        "answer": "Lisbon Portela Airport is the main gateway, close to downtown and well-connected to major airlines mainly serving international and European routes, ideal for both business and leisure travelers."
      },
      "q13": {
        "question": "How do I get to Washington Intl Airport airport from the city center?",
        "answer": "From downtown Washington D.C., the Metrorail Silver and Blue Lines serve Dulles Airport via the Silver Line Express bus in about 45–60 min, making it the most popular and cost-effective option. Taxis and ride-shares take 20–30 min at higher cost, while driving and parking are options but more expensive and less convenient."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Lisbon airport?",
        "answer": "Lisbon Airport has a small lounge with reclining seats but no dedicated sleeping pods or on-site hotels. Nearby hotels such as the Holiday Inn Express are accessible via shuttle or taxi."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Humberto Delgado Airport ?",
        "answer": "Lisbon Airport offers currency exchange offices throughout the terminals, prayer rooms in the landside area, and free Wi‑Fi in all passenger zones."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Washington D.C. and Lisbon airports?",
        "answer": "Washington Dulles offers wheelchair assistance, accessible restrooms, and a family lounge; request 48 hours in advance. Lisbon Airport provides wheelchair services, accessible facilities, and children’s play areas; assistance should be requested 48 hours before travel."
      },
      "q17": {
        "question": "Which aircraft models fly between Washington D.C. and Lisbon this route and do airlines offer Wi‑Fi?",
        "answer": "Common aircraft are Airbus A330‑900 and Boeing 787‑9. TAP Portugal, United and others offer Wi‑Fi and in‑flight entertainment."
      },
      "q18": {
        "question": "Which airline alliances operate this route?",
        "answer": "Star Alliance (United), oneworld (American, TAP) and SkyTeam (Delta) operate flights between Washington D.C. and Lisbon."
      },
      "q19": {
        "question": "What is the cheapest time of day to fly from Washington D.C. to Lisbon?",
        "answer": "Afternoon departures on weekdays often have lower fares than morning or evening flights."
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Washington D.C.?",
        "answer": "At Washington Dulles, the United Club in Concourse B offers complimentary food, beverages, and Wi-Fi for United Airlines premium travelers, Star Alliance Gold members, and paid members. The Lufthansa Lounge in Concourse B is accessible to Lufthansa business class passengers, Star Alliance Gold members, and with paid passes. The American Express Centurion Lounge nearby offers premium amenities for Amex cardholders regardless of airline class."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Washington D.C. to Lisbon?",
        "answer": "Baggage allowances vary by airline and fare class. Basic economy may restrict checked baggage; standard economy usually includes one checked bag and a carry‑on. Higher classes offer more baggage options."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Washington D.C. to Lisbon?",
        "answer": "Flights from Washington D.C. to Lisbon usually include 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": "Policies differ by airline and fare class; flexible and premium cabins typically offer more options for same‑day changes or standby."
      }
    }
  }
}