$827 Cheap Qantas Airways flights Houston (IAH) to Sydney (SYD)

Finding cheap one-way Qantas flights from IAH to SYD from $827 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $1,442 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

May is one of the least expensive months to jet away to Sydney with Qantas. You could also find great deals on return and one-way fares in August.

Check for Qantas flights from IAH to SYD about one month before you want to leave. The most affordable time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of ticket type or itinerary, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, click search and use the “Nonstop” filter on Expedia to find any direct flights from IAH to SYD with Qantas or other airlines.

Find Qantas’s earliest flights from IAH to SYD by selecting our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch a Qantas flight from George Bush Intercontinental Airport (IAH) to Sydney, and you’ll most likely arrive at Kingsford Smith Intl. Airport (SYD). This is the airline’s main hub in this destination.

Qantas allows travelers to bring 1 checked-in bag weighing up to 66 lb with dimensions not exceeding 62 inches on standard economy flights from IAH to SYD. Additionally, you can bring 1 cabin bag with you in the cabin. This hand luggage must not exceed 22 inches x 9 inches x 14 inches and be no heavier than 22 lb. Baggage rules can differ based on the fare type and cabin class, so check your booking or Qantas’s website to avoid any extra fees at the airport.

Flying from IAH to SYD with Qantas comes with a variety of perks, such as top-tier customer service and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s in addition to the Qantas Frequent Flyer points you can earn with Qantas.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For further details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without being charged, apply the “No cancel fee” or “Changes included” filter when planning your next break.