The cheapest Madrid to Muscat return flight on the radar right now is €570, flying with ITA Airways + Oman Air + Etihad Airways via one or more connections. It covers departures in November 2026, and every dated link below opens that exact MAD–MCT search on Skyscanner. The price we usually record on this route is €372. Across 83 recorded checks it has ranged between €209 and €607. Our sampling points to November 2026 as the cheapest month to fly Madrid to Muscat.
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 Madrid? We track 62 other departure cities for Muscat, 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 Madrid to Muscat is often still worth booking within a day or two of the fare we found.