Cheap Flights from Sydney (SYD) to Houston (IAH)

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Compare Sydney to Houston George Bush Intercntl. flight deals

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Flight deals from Sydney to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best return flight from Sydney to Houston George Bush Intercntl.? Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Houston George Bush Intercntl. flights are currently cheapest in July.

Direct flights from Sydney to Houston George Bush Intercntl.

Sydney to Houston George Bush Intercntl.: Alternative routes

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

Sydney to Houston: Flight information

The things to know before you go.
Cheapest flight found$1,231
Cheapest month to flyJuly
Average flight time15 hrs, 35 mins
Most popular airlineLufthansa
Average flights per week23

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

The best price we found for a return flight from Sydney to Houston George Bush Intercntl. is $1,231. 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.
15 hours and 35 minutes is the average flight time from Sydney to Houston George Bush Intercntl..
Lufthansa, United and Virgin Australia fly direct from Sydney to Houston George Bush Intercntl..
As of May 2025, there are 23 flights per week flying from Sydney to Houston George Bush Intercntl..
The cheapest month to fly from Sydney to Houston George Bush Intercntl. is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Houston George Bush Intercntl. Airport on Tuesday, 29 July 2025.
Yes – the average flight time is 15 hours and 35 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 Houston George Bush Intercntl. 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 Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Houston George Bush Intercntl..

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

  • The average time for a direct flight from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport is 15 hours 35 minutes.

  • The timezone in Houston is UTC-5, which is 16 hours behind Sydney.

  • Each week, there are three Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport flights. If you'd like to get going early, go for the 11:50 United Airlines flight. If you're eager to make the most of your time before flying, the last flight is at 11:50 with United Airlines.

  • Leave enough time to catch your SYD to IAH flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as April, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during peak periods in general.

  • United Airlines offers direct flights from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport. Book with this popular airline, then get ready to tick off the sights in Houston — and maybe even more of United States if your schedule allows.

  • The airline that tops the list for bookings on this route is United Airlines.

  • United Airlines is the most punctual carrier that operates SYD to IAH flights. An impressive 80.49% of its services on this route arrive without delay.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to visit your chosen city. Top stopovers between SYD and IAH include:

    • Dallas/Fort Worth International Airport

    • Los Angeles International Airport

    • Auckland Airport

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

  • $628 is currently the lowest price for a one-way Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport flight. A return flight starts at $1,231. These fares can change depending on availability.

  • Book six months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SYD to IAH.

  • Plan your trip for May. That's the cheapest month for flights from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport. If you're flexible on when you fly, use the 'Whole month' tool to find the cheapest price across each month.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll send you an update as soon as a special offer becomes available on cheap flights from SYD to IAH.

  • Find the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • When it comes to the on-time performance of Sydney (Kingsford Smith) Airport, 69.62% of flights stick to their scheduled arrival time.

  • Central Sydney to Sydney (Kingsford Smith) Airport is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The trip on public transport usually takes 25 minutes.

  • Catching an early flight from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to SYD:

Arriving at George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • You'll find IAH at 16930 JFK Boulevard.

  • George Bush Intercontinental Airport to the centre of Houston has a drive time of about 20 minutes. It's approximately 27 kilometres away.

  • Getting there on public transport takes about 50 minutes.

When to fly to George Bush Intercontinental Airport (IAH)

  • It's time to pick your trip dates for your flight from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport. July is the busiest month to head to Houston. If you prefer a more low-key vibe, go in February.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your flights from Sydney (Kingsford Smith) Airport to George Bush Intercontinental Airport in this month if you enjoy this type of weather.

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

Explore more of United States

  • Houston has plenty going for it, but there are so many other parts of United States waiting to be discovered. About 306 kilometres west of Houston, a visit to San Antonio will keep you on the go. Don't miss top attractions like The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Dallas is another sought-after destination in United States and is around 370 kilometres north of Houston. No journey is complete without a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

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