The cheapest Oslo to Nassau return flight on the radar right now is €883, flying with Icelandair + jetBlue via one or more connections. It covers departures in January 2027, and every dated link below opens that exact OSL–NAS search on Skyscanner. Across 75 recorded checks it has ranged between €634 and €1,134. Our sampling points to January 2027 as the cheapest month to fly Oslo to Nassau.
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 49 other departure cities for Nassau, 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 Nassau is often still worth booking within a day or two of the fare we found.