The cheapest Lisbon to Rio de Janeiro return flight on the radar right now is €775, flying with LATAM Airlines via one or more connections. It covers departures in May 2027, and every dated link below opens that exact LIS–GIG search on Skyscanner. The price we usually record on this route is €804. Across 102 recorded checks it has ranged between €621 and €972. Our sampling points to May 2027 as the cheapest month to fly Lisbon to Rio de Janeiro.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from Lisbon? We track 63 other departure cities for Rio de Janeiro, listed at the foot of this page.
Fares move quickly. If this Lisbon to Rio de Janeiro price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.