The only time Ryanair aircraft have been seen at Heathrow was in 2010, when British Airways chartered some jets to operate short-haul flights during a cabin crew strike.

As of early 2026, Ryanair has never operated scheduled commercial flights to London Heathrow Airport (LHR). The airline's entire business model is built upon minimizing operational costs, which involves avoiding the high landing fees and chronic congestion associated with major global hubs like Heathrow. Instead, Ryanair utilizes "secondary" airports such as London Stansted, Luton, and Gatwick, where they can achieve faster turnaround times and lower gate costs. While Ryanair CEO Michael O'Leary has occasionally joked about flying to Heathrow if slots were practically free, the airline's strategy remains focused on high-volume, low-cost airports that allow them to offer the ultra-low fares they are known for. Heathrow’s slot constraints and focus on long-haul legacy carriers make it the antithesis of Ryanair’s operational philosophy. Even during the industry shifts of 2024 and 2025, the carrier maintained its presence at Stansted as its primary London base, ensuring that "Ryanair at Heathrow" remains a hypothetical scenario rather than a historical fact.