Malaysia Airlines (MH, Kuala Lumpur International) and Singapore Airlines (SQ, Singapore Changi) formalised their strategic joint business agreement on January 29, 2026. The agreement allows the carriers to deepen commercial ties through revenue sharing, coordinated flight schedules, and joint fare products between Malaysia and Singapore.

The deal follows approvals from the Competition and Consumer Commission of Singapore in July 2025 and the Civil Aviation Authority of Malaysia in January 2026. The airlines also confirmed expanded codeshare services and reciprocal frequent flyer benefits introduced in February 2024.