Lisbon to Nashville (LIS–BNA) — Airlines, Schedules & Connections

Portugal is part of the US Visa Waiver Program. Portuguese passport holders enter the United States for up to 90 days without a visa, but must obtain an approved ESTA (Electronic System for Travel Authorization) before boarding. The ESTA costs USD 21, is valid for 2 years or until the passport expires, and covers multiple entries. Apply at the official CBP site (esta.cbp.dhs.gov) at least 72 hours before departure.

The 90-day stay cannot be extended, and you cannot change immigration status while in the US on the Visa Waiver Program.

Metro Red Line runs from downtown Lisbon (Alameda, Oriente) to the airport in 20–25 minutes (€1.85 single, or €0.48 on a Viva Viagem card). Trains run from 6:30am to 1am. The airport has its own station (Aeroporto) at the end of the Red Line.

Taxis from central Lisbon cost €10–15 and take 15–20 minutes with no traffic. Uber and Bolt are widely available at similar or lower prices. AeroBus (Carris) is slower (30–40 min) but cheaper at €4.

Uber and Lyft from BNA to downtown run $20–30 (15–25 minutes). Pickup zones for TNCs are on the lower level. Taxis are available at the ground transportation curb, typically $25–35 to downtown.Rental car brands are in the adjacent facility connected via walkway. WeGo bus Route 18 costs $2 but has limited evening hours; check before relying on it for late arrivals. I-40 and Briley Parkway provide direct highway access.

Humid subtropical climate with hot summers and variable winters. July and August average 32–36°C with high humidity. Winter (December–February) temperatures range from −2–10°C. Ice storms are the primary disruption risk. Nashville sees occasional but significant freezing rain events that shut down the airport.

Severe thunderstorm season peaks April through June, bringing tornado risk to the region. Spring storms cause most ground stops and ground delays. Autumn (September–November) is mild and generally the most disruption-free season.