Big Rosti Price at McDonald's (2026)
A Big Rosti costs €9.7 at McDonald's in Ireland (updated October 2026).
Based on the latest tracked prices, the Big Rosti from McDonald's costs €9.70 in Ireland (October 2026). That's about 43% above the typical McDonald's World Menu Heist item — the 2nd-most-expensive of 9 we track. It's available at around 73 McDonald's locations across Ireland. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.
How this compares in World Menu Heist
9 items tracked| This item | €9.70 |
| World Menu Heist median | €6.80 |
| Cheapest — Mac & Cheese Triangles | €4.30 |
| Most expensive — Maple & Cheddar Chicken | €10.90 |
| vs World Menu Heist median | +43% |
Compare McDonald's prices across 20+ countries — Fast-Food Price Index →