The cheapest round-trip to Lisbon from the USA right now is $609 (from EWR). Below: a quick video, when to go, what to do, safety and culture.
Lisbon tumbles over seven hills above the Tagus river — pastel facades, rattling trams, miradouro viewpoints and melancholic fado music.
The sweet spot for Lisbon is generally Mar–May & Sep–Oct — and the cheapest fares often land just outside peak season.
Very safe. Watch your belongings in crowds and tourist areas, and check your government’s current advisory before you go. Visa for US passports: Visa-free, 90 days.
One of Europe's oldest cities, Lisbon was a Moorish stronghold, then the launch point of Portugal's Age of Discovery; it was largely rebuilt after the 1755 earthquake.
Portuguese culture is soulful and seafaring — fado, grilled sardines, tiled azulejos, and a gentle, welcoming pace.
Language: Portuguese · English spoken: Widely spoken
The cheapest round-trip we're tracking to Lisbon (LIS) from the USA is about $609 right now. Live fares move through the day, so confirm the current price before you book.
The best time to fly to Lisbon is generally Mar–May & Sep–Oct. Shoulder-season trips often pair good weather with lower fares.
Very safe. As anywhere, watch your belongings in crowds and check your government's current advisory before you go.
Visa for US passports: Visa-free, 90 days. Always confirm the latest entry rules with official sources before booking.
Prices are recently-tracked fares — your live, bookable price is confirmed on Aviasales. Safety and visa notes are general guidance for US travelers; verify official sources before booking.