Direct flights from Houston to Sydney INTL
7 nonstop flights a week on 1 airline. Zero layovers — one hop from IAH to SYD.
Flight time: about 15h56m nonstop
Which days does it fly?
When does it fly?
Departure times in Houston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United UAL101 | 8:25p | 15h56m | Daily |
What to expect on United from Houston to Sydney
One airline flies this nonstop. What the fare does and does not include, and when it goes.
| Compare | 
United
|
|---|---|
| Flights a week | 7 |
| Days | Daily |
| Departures | 8:25p |
| Flight time | 15h56m |
| Also from IAH | All 168 United nonstops → |
| Aircraft | Boeing 787-9 |
| Fare model | Full service |
| Loyalty program | MileagePlus |
| Alliance | Star Alliance |
| Cabins | Basic Economy · Economy · Economy Plus · Premium Plus · First / Polaris |
| Carry-on bag | Fee on the lowest fare |
| First checked bag | Extra fee |
| Seat selection | Fee on the lowest fare |
| Wi-Fi | Free for members |
Schedule from the week sampled November 2026; aircraft from the flights we sampled Nov 4–10. Airline policies as published, October 2026 — fees and inclusions change, so confirm with the airline before booking.
The route
One hop: IAH → SYDDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to Sydney (SYD)
George Bush Intercontinental Airport (IAH) has 7 nonstop flights a week to Sydney (SYD), operated by United. No layovers, no connections — one hop out of IAH and you're there.
This route flies every day of the week, so any travel day works. Sydney is an international destination — don't forget your passport. Route data updated November 2026 from observed departures.
Route data updated November 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Houston to Sydney?
The nonstop flight from Houston (IAH) to Sydney (SYD) takes about 15h56m in the air, based on recently observed nonstop departures.