Western Sydney Airport opens to passengers in October — and the construction job is already done

Western Sydney Airport at Badgerys Creek reached construction completion on all major works in June 2025 and has been in testing since. Freight operations began in late July 2026, and passenger flights start on 25 October 2026 — a date the airport has confirmed and the airlines have now scheduled against, with Jetstar operating the first commercial departure and Qantas joining the network from March 2027.

For a project that began construction in 2018, that is the end of a seven-year build — and the beginning of a different pipeline.

The essentials

A second runway is not expected until the 2050s, which is worth stating plainly given how often future stages are used to imply continuing work.

How the build was packaged

Stage One main works ran as four packages:

• Bulk Earthworks
• Pavement and Airside Civil
• Terminal and Specialty Works
• Landside Civil and Building Works

Terminal and Specialty Works was the last to complete, in June 2025, marking the end of main works and the start of the testing phase.

Who built it

Bechtel holding both delivery partner and project management is notable — a single firm carrying the client-side delivery role across a $5.3 billion federal asset.

What happens to the supply chain now

This is the part worth thinking about, and it applies well beyond this project.

A seven-year build ending releases capability into a market. Civil, airside pavement, terminal fitout and building services crews that have been committed at Badgerys Creek since 2018 are becoming available. In a market where Queensland is projecting a workforce shortfall of 18,200 a year, that matters.

The remaining work is a different kind of work. What follows an airport opening is the on-airport business precinct, aviation support facilities and the broader Aerotropolis development — property and commercial building, not airside civil engineering. Different trades, different clients, different procurement.

Connecting infrastructure is still under construction. Sydney Metro — Western Sydney Airport is the rail link serving the site, and remains a live project with its own packages. For contractors already mobilised in the corridor, that is the nearest continuation of similar work.

The federal funding footnote worth noticing

The 2024-25 Federal Budget allocated $244 million over four years to Western Sydney International Airport — but ANZIP records that the vast majority of that funding is unrelated to infrastructure, being directed instead to border security and biosecurity functions.

It is a useful reminder when reading budget allocations against project names: the line item and the construction spend are frequently not the same thing.

What to watch

1. Whether 25 October holds for passenger operations.
2. On-airport business precinct procurement — expressions of interest for a development partner opened in November 2021, and the precinct is the next substantial construction pipeline on the site.
3. Aerotropolis development around the airport, which is a land and property story more than an infrastructure one.
4. Where the workforce goes. A large, experienced airside and terminal workforce coming free in Western Sydney is a supply-side event for every other major project in the corridor.

Published 31 August 2026 · Updated 7 September 2026