Wayfli › Houston (IAH) › To Sydney (SYD)
Houston (IAH) to Sydney (SYD) flights
There are direct flights from George Bush Intercontinental Houston Airport to Sydney Kingsford Smith International Airport, sold by one airline: United Airlines. The distance is 13,836 km, about 17h 20m in the air. There are also 5 one-stop options, via airports such as Toronto, Los Angeles and San Francisco.
Live fares for IAH → SYDSee all routes on the map13,836 kmdistance
~17h 20mdirect flight time (estimate)
1direct airline
5one-stop options
Direct flights from Houston to Sydney
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| IAH → SYD | United Airlines | 13,836 km | ~17h 20m |
Best one-stop connections
Through the biggest hubs first. Times include about 100 minutes to change planes.
| Via | Airlines | Distance | Time (est.) |
|---|---|---|---|
| YYZ Toronto | Air Canada and United Airlines then Air Canada | 17,615 km | ~24h 10m |
| LAX Los Angeles | American Airlines and Alaska Airlines then American Airlines and Air New Zealand | 14,276 km | ~20h 5m |
| SFO San Francisco | Copa Airlines and United Airlines then Air New Zealand and United Airlines | 14,577 km | ~20h 25m |
| YVR Vancouver | United Airlines then Air Canada | 15,670 km | ~21h 45m |
| HNL Honolulu | United Airlines then American Airlines and Jetstar | 14,443 km | ~20h 15m |
More from Houston and Sydney
- Sydney (SYD) to Houston (IAH) · return route
- All direct flights from Houston (IAH)
- All direct flights from Sydney (SYD)
- Houston to Istanbul (IST)
- Houston to Amsterdam (AMS)
- Houston to Paris (CDG)
- Houston to Frankfurt (FRA)
- Houston to Dubai (DXB)
- Houston to Beijing (PEK)
- Houston to Chicago (ORD)
- Houston to Dallas-Fort Worth (DFW)
- Houston to Rome (FCO)
- Houston to Munich (MUC)
- Houston to London (LHR)
- Houston to Atlanta (ATL)
- Istanbul (IST) to Sydney
- Paris (CDG) to Sydney
- Dubai (DXB) to Sydney
- Beijing (PEK) to Sydney
- Shanghai (PVG) to Sydney
- Guangzhou (CAN) to Sydney
- London (LHR) to Sydney
- New York (JFK) to Sydney
- Toronto (YYZ) to Sydney
- Los Angeles (LAX) to Sydney
- Doha (DOH) to Sydney
- Singapore (SIN) to Sydney
Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.