Cheap flights from Houston to Sydney

One-way fares from $630 · HOU → SYD · prices found by travellers in the last 48 hours

Compare all dates Sydney → Houston
Cheapest fare
$630

Frontier Airlines · Thu, Dec 3

Cheapest month
December

from $630

Direct flights
Not recently

Usually 1+ stop

Quickest trip
25h 48m

13,820 km

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Cheapest month to fly from Houston to Sydney

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $773
  2. December 2026 Cheapest $630
  3. January 2027 $895

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart22:03 Thu, Dec 3IAH → SYD 25h 48m · 2 stops
$630one way, per person
View deal
See every date in December 2026 →

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About flights from Houston to Sydney

Houston (HOU) and Sydney (SYD) are about 13,820 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 25h 48m. Over the next few months, one-way fares start from $630, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Houston to Sydney?

The cheapest one-way fare we've seen recently is $630 with Frontier Airlines, departing Thursday, December 3, 2026. Over the coming months, the lowest fare in each month ranges from $630 to $895.

What is the cheapest month to fly from Houston to Sydney?

December 2026 currently has the lowest fares, from $630 one way.

Are there direct flights from Houston to Sydney?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Houston to Sydney?

The quickest journey we've seen takes about 25h 48m. Houston and Sydney are around 13,820 km apart.

Which airlines fly from Houston to Sydney?

Recent fares on this route were with American Airlines, Frontier Airlines and Turkish Airlines.

More cheap flights from Houston

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