Route brief · HOU → SYD
Houston → Sydney
$1,021
round-trip · too little price history on this route to compare
Sep 25 – Oct 5 · 10 nights
Frontier Airlines2 stops
Cached fare — the booking search re-prices live before you pay.
Destination briefSYDSydneyHarbour sails, cliff walks and flat whites that ruin you for coffee anywhere else.Best windowOct–Nov · Mar–AprAirportsKingsford Smith (SYD)All routes into SydneyWhen this route gets cheap.
Best time to be in Sydney: Oct–Nov · Mar–Apr. Fare history for this route is still thin, so we make no seasonal call yet.
The cheapest itinerary we are tracking makes 2 stops and takes about 19.5 hours outbound, on a 10-night trip — ticketed under Frontier Airlines, which on a connecting fare need not operate every leg. At $1,021 for 13,818 km each way, that works out to about $37 per 1,000 km flown. That is below the $40 typical of ultra-long-haul fares here. Across the 33 departure cities we track at a similar distance from Sydney, this fare ranks 13th — 34% above the $760 from Delhi. That puts it in the cheaper half of the 31 routes of similar length we watch out of Houston, where the middle fare is $1,061. We have 1 month of cached prices for this route so far — not enough to call a fare cheap or expensive, so we publish the price without a percentage.
The 8 days we hold a cached fare for
Tap a date → live search
- Wed, Sep 23$1,048
- Thu, Sep 24$1,287
- Fri, Sep 25$1,021
- Sat, Sep 26$1,131
- Sun, Sep 27$1,143
- Mon, Sep 28$1,063
- Tue, Sep 29$1,380
- Wed, Sep 30$1,350
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Route facts
- Airports
- Bush (IAH) · Hobby (HOU) ↔ Kingsford Smith (SYD)
- Flight time
- ~19.5 hours outbound
- Distance
- ~13,818 km each way
- Airlines on the board
- Frontier Airlines
- Itineraries
- Connections on current fares
- Best months to visit
- Oct–Nov · Mar–Apr
HOU → SYD, answered.
How far in advance should I book HOU → Sydney?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. See /guides/what-moves-a-flight-price/ for the levers we can measure.
Are there nonstop flights from Houston to Sydney?
The current cheapest fares involve a connection, ticketed under Frontier Airlines. Nonstop options exist on many dates at higher prices — check the live search for your exact dates.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Sydney?
Lock the flight first — then compare stays for Sep 25 – Oct 5 · 10 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next HOU → SYD drop reaches you as soon as we find it.
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