The cheapest Oslo to Madeira return flight on the radar right now is €278, flying with TAP Air Portugal via one or more connections. It covers departures in January 2027, and every dated link below opens that exact OSL–FNC search on Skyscanner. The price we usually record on this route is €189. Across 43 recorded checks it has ranged between €169 and €418. Our sampling points to January 2027 as the cheapest month to fly Oslo to Madeira.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Oslo? We track 59 other departure cities for Madeira, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Oslo to Madeira is often still worth booking within a day or two of the fare we found.