The cheapest Istanbul Sabiha to Cairo return flight on the radar right now is €158, flying with AJet non-stop. It covers departures in September 2027, and every dated link below opens that exact SAW–CAI search on Skyscanner. The price we usually record on this route is €168. Across 133 recorded checks it has ranged between €99 and €281. Our sampling points to September 2027 as the cheapest month to fly Istanbul Sabiha to Cairo.
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 Sabiha? We track 62 other departure cities for Cairo, 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 Sabiha to Cairo is often still worth booking within a day or two of the fare we found.