S$1,324 Cheap Flights from Houston to Sydney

The lowest price advertised for a round-trip flight between IAH and Sydney Airport is S$2,046. But you better act fast. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

This differs between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for George Bush Intercontinental Airport (IAH) to Mascot Airport flights, you'll see a "no change fees" filter for you to select.

You'll have 13,900 kilometres to cover on the long-haul Houston to Sydney route. Wear comfy clothes and consider taking a pair of noise-cancelling earphones.

Check out the deals on offer with United Airlines (UA) if you want to travel directly from George Bush Intercontinental Airport (IAH) to Mascot Airport. This airline operates 13 flights every month, so you're sure to find one that suits your schedule.

It is possible to nab amazing last-minute deals from IAH to Kingsford Smith Intl. Airport (SYD), but there's no guarantee. As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.