Houston (IAH) to Sydney (SYD) flights
One airline flies nonstop from Houston (IAH) to Sydney (SYD): United Airlines. The two airports are 8,597 miles (13,835 km) apart. United Airlines is in Star Alliance. There are also 12 ways to fly it with one stop, through Auckland, Dallas and Los Angeles and more.
Airlines flying nonstop from IAH to SYD
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAH to SYD with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAH to SYD with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Auckland (AKL)Air New Zealand the whole way
- Via Dallas (DFW)American Airlines and United Airlines, then Qantas
- Via Los Angeles (LAX)American Airlines, United Airlines and 1 more the whole way+1
+1 - Via Las Vegas (LAS)Frontier Airlines and United Airlines, then Qantas
- Via Honolulu (HNL)United Airlines, then Qantas and Alaska Airlines
- Via San Francisco (SFO)United Airlines the whole way
- Via Vancouver (YVR)Air Canada the whole way
- Via Tokyo (HND)ANA the whole way
- Via Santiago (SCL)United Airlines, then Qantas and LATAM Airlines
- Via Taipei (TPE)EVA Air, then China Airlines
- Via Dubai (DXB)Emirates the whole way
- Via Doha (DOH)Qatar Airways the whole way
IAH to SYD: common questions
Which airlines fly nonstop from IAH to SYD?
United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Sydney (SYD).
How far is Houston from Sydney by plane?
Houston (IAH) and Sydney (SYD) are 8,597 miles (13,835 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAH to SYD award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAH to SYD cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to SYD with taxes and fees.
Where can I connect between Houston and Sydney?
The most direct connections are through Auckland (AKL), Dallas (DFW), Los Angeles (LAX), Las Vegas (LAS) and Honolulu (HNL). On 7 of them the same airline flies both flights, for example Air New Zealand through Auckland.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.