Cheap flights from Sydney to Houston
Cheapest current fares: $724 in August 2026, 13,835 km direct flight in ~16h 17m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Sydney (SYD) to Houston (IAH). Refreshed daily.
Sydney (SYD) → Houston (IAH)
- August 2026 $724
Frequently asked questions
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What is the cheapest month to fly from Sydney to Houston?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sydney (SYD) to Houston (IAH), with fares starting from $724.
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What is the lowest current fare from SYD to IAH?
The lowest currently-listed fare from Sydney (SYD) to Houston (IAH) is $724 on 2026-08-15.
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How long is the flight from Sydney to Houston?
Direct flights from SYD to IAH cover approximately 13,835 km (8,597 miles), with an estimated flight time of 16h 17m. Operating airlines: UA.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.