The cheapest Porto to Havana return flight on the radar right now is €685, flying with Air Europa via one or more connections. It covers departures in June 2027, and every dated link below opens that exact OPO–HAV search on Skyscanner. That is roughly 13% below the €784 this route usually costs. Across 94 recorded checks it has ranged between €557 and €1,488. Our sampling points to June 2027 as the cheapest month to fly Porto to Havana.
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 Porto? We track 54 other departure cities for Havana, listed at the foot of this page.
Fares move quickly. If this Porto to Havana 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.