AOT plans major airport expansion to serve 180m passengers

Nation Thailand
16 May 2026

AOT is revising its 365-billion-baht airport expansion roadmap to lift annual passenger capacity across six Thai airports to 180 million by 2034.

Airports of Thailand Plc (AOT) is revising its development roadmap for the six airports under its management, with total investment estimated at more than 364.98 billion baht.

A major focus of the plan is Suvarnabhumi Airport, where AOT aims to raise capacity to 120 million passengers a year over the next decade through two key projects.

The first is the East Expansion project, with a construction budget of 13.52 billion baht, including 7% value-added tax. The project will expand passenger service areas, including check-in zones, passport control facilities and other spaces for airport users...

AOT is also adjusting the third-phase development plan for Don Mueang Airport, with construction investment now estimated at 69.29 billion baht, including VAT and contingency costs...

AOT is also progressing with development plans for Phuket Airport Phase 2, Chiang Mai Airport Phase 1 and Mae Fah Luang Chiang Rai Airport Phase 1...

AOT plans major airport expansion to serve 180m passengers - Nation Thailand - 16 May 2026