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Cheap flights from Houston George Bush Intercntl. to Sydney

Compare Houston George Bush Intercntl. to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Houston George Bush Intercntl. to Sydney

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Sydney? Find the lowest prices on one-way and return tickets right here.
Sydney.P54,144 per passenger.Departing Fri, 13 Feb, returning Wed, 18 Feb.Return flight with Spirit Airlines and Fiji Airways.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Fri, 13 Feb, arriving in Sydney.Inbound indirect flight with Fiji Airways, departs from Sydney on Wed, 18 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P54,144, select.
Sydney.P57,236 per passenger.Departing Mon, 6 Apr, returning Sun, 19 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Mon, 6 Apr, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Sun, 19 Apr, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P57,236, select.
Sydney.P59,535 per passenger.Departing Fri, 27 Feb, returning Sun, 22 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Fri, 27 Feb, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Sun, 22 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P59,535, select.
Sydney.P59,920 per passenger.Departing Thu, 29 Jan, returning Mon, 2 Feb.Return flight with Frontier Airlines and Fiji Airways.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 29 Jan, arriving in Sydney.Inbound indirect flight with Fiji Airways, departs from Sydney on Mon, 2 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P59,920, select.
Sydney.P62,181 per passenger.Departing Mon, 2 Mar, returning Sun, 15 Mar.Return flight with Spirit Airlines and Fiji Airways.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Mon, 2 Mar, arriving in Sydney.Inbound indirect flight with Fiji Airways, departs from Sydney on Sun, 15 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P62,181, select.
Sydney.P62,627 per passenger.Departing Mon, 23 Mar, returning Tue, 7 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Mon, 23 Mar, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Tue, 7 Apr, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P62,627, select.
Sydney.P65,644 per passenger.Departing Tue, 28 Apr, returning Tue, 12 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Tue, 28 Apr, arriving in Sydney.Inbound indirect flight with Air Canada, departs from Sydney on Tue, 12 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P65,644, select.
Sydney.P67,699 per passenger.Departing Mon, 4 May, returning Mon, 1 Jun.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Mon, 4 May, arriving in Sydney.Inbound indirect flight with United, departs from Sydney on Mon, 1 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From P67,699, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Sydney flights are currently cheapest in February.
Nov
Find prices
Dec
from P102,921
Jan
from P76,519
Feb
from P54,318
Mar
from P62,380
Apr
from P57,420
May
from P78,927
Jun
from P70,133
Jul
from P79,090
Aug
from P97,204
Sep
Find prices
Oct
from P84,969

Direct flights from Houston George Bush Intercntl. to Sydney

Houston George Bush Intercntl. to Sydney: Alternative routes

Compare routes from Houston George Bush Intercntl. to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Houston to Sydney: Flight information

The things to know before you go.
Cheapest flight foundP54,144
Cheapest month to flyFebruary
Average flight time17 hrs, 33 mins
Most popular airlineLufthansa
Average flights per week22

Finding cheap flights from Houston George Bush Intercntl. to Sydney: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Sydney is P54,144. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
17 hours and 33 minutes is the average flight time from Houston George Bush Intercntl. to Sydney.
Lufthansa, Virgin Australia and United fly direct from Houston George Bush Intercntl. to Sydney.
As of November 2025, there are 22 flights per week flying from Houston George Bush Intercntl. to Sydney.
The cheapest month to fly from Houston George Bush Intercntl. to Sydney is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Sydney Airport on Friday, 13 February 2026.
Yes – the average flight time is 17 hours and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and United offer the cheapest flight tickets to Sydney.

Travelling from George Bush Intercontinental Airport (IAH) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • Around 17 hours 35 minutes is how long you'll be travelling on a direct flight from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport.

  • Sydney is 16 hours ahead of Houston and is in the UTC+11 timezone.

  • You can choose from five weekly George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport flights. The 20:25 departure with United Airlines is the earliest flight available. United Airlines operates the last service of the day at 21:25.

  • Your IAH to SYD flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Travelling during a peak time like July? Public holidays and other popular seasons can result in longer queues and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • Getting to Sydney (and then seeing more of Australia!) is a cinch with United Airlines. This popular carrier has direct flights from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport.

  • The majority of travellers choose to travel with United Airlines on this route.

  • With 69.23% of services landing on schedule, United Airlines is the most punctual carrier offering IAH to SYD flights.

  • Think about adding a stopover when booking your ticket from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport. Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between IAH and SYD:

    • Dallas/Fort Worth International Airport

    • Los Angeles International Airport

    • Auckland Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Sydney (Kingsford Smith) Airport (SYD)

  • The lowest price we've found for a one-way George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport flight is P25,332. A round-trip plane ticket right now is P54,144. Depending on the availability and when you book, these fares may change.

  • To secure cheap tickets from IAH to SYD, reserve your journey four months before your departure.

  • March is the cheapest month for flights from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport. If you prefer to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Spend less time searching for cheap flights from IAH to SYD by creating a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.

  • Tailor your trip using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Sydney (Kingsford Smith) Airport (SYD)

  • Consider staying in a hotel close to SYD if you're catching a late George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport flight. Choose one of these accommodation options and make your arrival easier:

  • Fast-track your adventure by picking up a Sydney (Kingsford Smith) Airport rental car. Grab your wheels from simba car hire, Bargain Car Rentals or Yes Drive to explore Sydney and beyond.

  • Lock in the best possible rate by booking your vehicle from Sydney (Kingsford Smith) Airport around two weeks before your travel date.

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • From Sydney (Kingsford Smith) Airport, Sydney is approximately 18 kilometres away. It takes around 20 minutes to reach the centre driving.

  • Travelling by public transport typically takes 25 minutes.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • April is the most popular month for flights from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport. To skip the crowds, go to Sydney in April.

  • The warmest month in Sydney is January, with temperatures ranging between 17ºC (63ºF) and 32ºC (90ºF). Book your flights from George Bush Intercontinental Airport to Sydney (Kingsford Smith) Airport in this month if you like this kind of weather.

  • Search for cheap tickets from IAH to SYD in July if you like cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

Explore more of Australia

  • You've visited Sydney, now it's time to discover more of Australia. Travel around 241 kilometres south-west to Canberra to tick off its leading attractions. From Australian War Memorial to National Gallery of Australia and Parliament House, there's plenty to keep you busy.

  • Around 121 kilometres north-east of Sydney, Newcastle is another favourite stop in Australia. No visit is complete without checking out Newcastle Beach, Nobbys Beach and Merewether Beach.

Plan the rest of your trip from Houston to Sydney

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.