The cheapest Istanbul to Seychelles return flight on the radar right now is €736, flying with Etihad Airways via one or more connections. It covers departures in January 2027, and every dated link below opens that exact IST–SEZ search on Skyscanner. Across 83 recorded checks it has ranged between €635 and €1,090. Our sampling points to January 2027 as the cheapest month to fly Istanbul to Seychelles.
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 Istanbul? We track 63 other departure cities for Seychelles, 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 Istanbul to Seychelles is often still worth booking within a day or two of the fare we found.