Western Sydney Airport is open — Australia's first major new airport in more than 50 years

Western Sydney International (Nancy-Bird Walton) Airport at Badgerys Creek opened to passengers on Sunday 25 October 2026 — in the Prime Minister's words, the first time in more than 50 years that Australia has opened a major new airport. Jetstar flight JQ362 to the Gold Coast was the first passenger departure, and the next morning Air New Zealand brought the first international passengers in from Auckland. Singapore Airlines follows on 23 November, and Qantas joins the network from 28 March 2027.

Opening day caps a build that began in September 2018. All major works were complete by June 2025, a year of testing followed, and the cargo precinct opened in late July 2026, with regular Qantas Freight services from 27 July. The Government says more than 13,000 workers helped deliver the airport precinct, more than half of them living in Western Sydney, and the terminal alone took more than 9 million working hours.

For the construction industry, 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

After early earthworks began in September 2018, Stage One main works ran as four packages:

• Bulk earthworks
• Airside civil and pavement works, including the runway and taxiways
• The passenger terminal
• Landside civil and building works — car parks, roads, bridges and utilities

The terminal was the last to complete, in June 2025, after the airside and landside packages, 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 the whole build.

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 Construction Skills Queensland projects an average shortfall of 18,200 construction workers a year in that state to 2032, 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; services are expected from 2027, no firm date has been announced, and the Premier has said the line could open as late as mid-2028. Until then, a free WSI Link shuttle runs every 30 minutes between St Marys station and the airport, in service since the first passenger flights, alongside five bus routes that have served the airport since 5 July. 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 provided $302.6 million over five years to "enable operations" at Western Sydney International Airport — but most of it is not construction money. Of that total, $237.4 million over four years goes to border agencies for the terminal's border and shared Commonwealth facilities, federal policing and detector dogs. The equity that funds completing Stage One sits in the same measure with its amount marked not for publication.

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. The metro's opening date. Sydney Metro — Western Sydney Airport services are expected from 2027; no firm date has been announced, and the Premier has said it could be mid-2028.
2. The on-airport Business Precinct — WSI formed a 50/50 joint venture with Charter Hall in April 2024 to deliver stage one, a 20-hectare development with up to 40,000 square metres of warehousing, offices and a 150-room hotel, 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 27 October 2026