The cheapest Lisbon to Miami return flight on the radar right now is €370, flying with British Airways via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LIS–MIA search on Skyscanner. That is roughly 23% below the €478 this route usually costs. Across 87 recorded checks it has ranged between €370 and €1,076. Our sampling points to November 2026 as the cheapest month to fly Lisbon to Miami.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Lisbon? We track 62 other departure cities for Miami, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Lisbon to Miami is usually still decent value around the same window.