Cheap Flights from Houston to Sydney

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Flight deals from Houston to Sydney Airport

Looking for a cheap last-minute deal or the best return flight from Houston to Sydney Airport? If you want to travel next month, return fares start from R 21,028. Find the lowest prices on one-way and return tickets right here.

Sydney.R 7,775 per passenger.Departing Tue, 12 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 12 May, arriving in Sydney.Price includes taxes and charges.From R 7,775, select.

Sydney.R 7,912 per passenger.Departing Wed, 22 Apr.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Wed, 22 Apr, arriving in Sydney.Price includes taxes and charges.From R 7,912, select.

Sydney.R 8,923 per passenger.Departing Fri, 28 Aug.One-way flight with Zipair.Outbound indirect flight with Zipair, departs from Houston George Bush Intercntl. on Fri, 28 Aug, arriving in Sydney.Price includes taxes and charges.From R 8,923, select.

Sydney.R 9,197 per passenger.Departing Wed, 3 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 3 Jun, arriving in Sydney.Price includes taxes and charges.From R 9,197, select.

Sydney.R 10,737 per passenger.Departing Mon, 12 Oct.One-way flight with Zipair.Outbound indirect flight with Zipair, departs from Houston George Bush Intercntl. on Mon, 12 Oct, arriving in Sydney.Price includes taxes and charges.From R 10,737, select.

Sydney.R 11,433 per passenger.Departing Sat, 18 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 18 Jul, arriving in Sydney.Price includes taxes and charges.From R 11,433, select.

Sydney.R 12,598 per passenger.Departing Sun, 13 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Houston George Bush Intercntl. on Sun, 13 Sep, arriving in Sydney.Price includes taxes and charges.From R 12,598, select.

Sydney.R 13,525 per passenger.Departing Wed, 3 Feb.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Houston George Bush Intercntl. on Wed, 3 Feb, arriving in Sydney.Price includes taxes and charges.From R 13,525, select.

Sydney.R 14,719 per passenger.Departing Mon, 30 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 30 Mar, arriving in Sydney.Price includes taxes and charges.From R 14,719, select.

Sydney.R 15,785 per passenger.Departing Mon, 28 Dec.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Houston George Bush Intercntl. on Mon, 28 Dec, arriving in Sydney.Price includes taxes and charges.From R 15,785, select.

Sydney.R 16,514 per passenger.Departing Mon, 8 Feb.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Mon, 8 Feb, arriving in Sydney.Price includes taxes and charges.From R 16,514, select.

Sydney.R 16,537 per passenger.Departing Mon, 28 Dec.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Mon, 28 Dec, arriving in Sydney.Price includes taxes and charges.From R 16,537, select.

Sydney.R 17,672 per passenger.Departing Thu, 28 Jan.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Houston George Bush Intercntl. on Thu, 28 Jan, arriving in Sydney.Price includes taxes and charges.From R 17,672, select.

Find the cheapest month to fly from Houston to Sydney

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

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Direct flights from Houston to Sydney

Houston to Sydney: Alternative routes

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

Sydney

9km from central Sydney

ClosestCheapest

from R 7,775

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Wollongong

87km from central Sydney

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Houston to Sydney: Flight information

The things to know before you go.

Cheapest flight found	R 7,775
Cheapest month to fly	May
Average flight time	17 hrs, 33 mins
Most popular airline	Lufthansa
Average flights per week	23

Finding cheap flights from Houston to Sydney: Frequently asked questions

How much are return flights from Houston to Sydney?

The best price we found for a return flight from Houston to Sydney is R 15,715. 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.

How long does it take to fly from Houston to Sydney?

17 hours and 33 minutes is the average flight time from Houston to Sydney.

Which airlines fly direct from Houston to Sydney?

Lufthansa, Virgin Australia and United fly direct from Houston to Sydney.

How many flights are there a week from Houston to Sydney?

As of March 2026, there are 23 flights per week flying from Houston to Sydney.

When is the cheapest time to fly from Houston to Sydney?

The cheapest month to fly from Houston to Sydney is usually May.

Which upcoming date is cheapest to fly from Houston to Sydney Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Sydney Airport on Saturday, 9 May 2026.

Can I get a direct flight from Houston to Sydney Airport?

Yes – the average flight time is 17 hours and 33 minutes.

How can I find the best flight deal to Sydney?

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.

When is the best time to book flights to Sydney?

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.

Flying from Houston to Sydney Kingsford Smith International Airport (SYD): What you need to know

Houston's main base, Houston George Bush Intercontinental Airport (IAH), is where many unforgettable trips begin. Explore the options for leaving from here when booking your flight from Houston to Sydney Kingsford Smith International Airport (SYD).
Jump on a direct Houston to Sydney Kingsford Smith International Airport flight and you'll be travelling for an average of 17 hours 35 minutes.
Sydney Kingsford Smith International Airport is located in Sydney. The city operates on the UTC+11 timezone and is 17 hours ahead of Houston.
The most popular route is from Houston George Bush Intercontinental Airport (IAH) to Sydney Kingsford Smith International Airport (SYD). You can choose from 3 direct services each week. United Airlines operates a 8:25pm departure between IAH and SYD.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your flight from Houston to SYD.
With more people on the move during peak months like July, be at your terminal even earlier. Two hours for domestic flights and as much as four for international journeys will allow extra time for delays. Remember things also get busy during major holidays like Thanksgiving.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

Reach your destination without the detour from Houston George Bush Intercontinental Airport (IAH). Nonstop flights from Houston to Sydney Kingsford Smith International Airport (SYD) operate from here.
United Airlines is a popular airline that operates direct flights from Houston to Sydney Kingsford Smith International Airport leaving from IAH.
United is the most frequently chosen airline for flights from IAH to SYD.
The most punctual carrier on this route is United. Its services land as planned 71.43% of the time.
We make it a piece of cake to book cheap flights from Houston to SYD that include a stopover. To explore your options departing from Houston George Bush Intercontinental Airport (IAH), uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Popular stopovers between IAH and SYD include:
- Dallas Fort Worth International Airport (DFW)
- Los Angeles International Airport (LAX)
- Auckland Airport (AKL)
IAH is around 40 kilometres from central Houston. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 30 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 1 hour 10 minutes.
Looking for a comfortable hotel close to Houston George Bush Intercontinental Airport? If you've booked an early flight from Houston to Sydney Kingsford Smith International Airport, these stays will have you sleeping a quick hop from check-in:
When it comes to Houston George Bush Intercontinental Airport's on-time performance, 79% of flights stick to their scheduled arrival time.
IAH's address is 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

Turn your flight into part of the adventure with a stopover on your flight from Houston to Sydney Kingsford Smith International Airport. Dallas Fort Worth International Airport (DFW) is a popular option between Houston Hobby Airport and SYD.
You can get to HOU from central Houston in approximately 20 minutes by car (depending on traffic). The ride on public transport will take roughly 50 minutes to travel the 19 kilometres or so.
Want to enjoy an extra night away before your Houston to SYD flight? Check in to a hotel near Houston Hobby Airport before your holiday officially starts. Here's where you can stay:
79% of flights taking off from Houston Hobby Airport arrive according to schedule.
HOU is located at 7800 Airport Boulevard.

About Sydney Kingsford Smith International Airport (SYD)

If you're coming in on a late flight from Houston to Sydney Kingsford Smith International Airport, nothing tops the convenience of staying near the terminal. Pick up your luggage at baggage claim and then be showered and relaxing not long after at one of these options near SYD:
Booking your ride around two weeks ahead of your Houston to Sydney Kingsford Smith International Airport flight can help you score a better rate.

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

Sydney Kingsford Smith International Airport to the centre of Sydney is roughly 8 kilometres. If you're getting a taxi or renting a car, plan in advance to make your trip as smooth as possible. Journey times will vary based on traffic conditions and the time of day.
If you're using public transport, expect a journey of roughly 15 minutes.

How to find the cheapest flights from Houston to Sydney Kingsford Smith International Airport (SYD)

Right now, R 7,775 is the best price we've found for a one-way ticket from Houston to Sydney Kingsford Smith International Airport. The cheapest price for a return flight is R 15,715. Keep in mind fares may change due to demand at the time of booking.
Book ten months before you travel. Research into pricing trends suggests this is the ideal window for finding cheap flights from Houston to SYD.
The best month for picking up cheap Houston to Sydney Kingsford Smith International Airport tickets is March. Use the 'Whole month' tool to compare prices, then choose the dates offering the lowest fares.
Locking in a cheap plane ticket from Houston to SYD is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as there's a price drop.
Hunt down a great price on a flight from Houston to Sydney Kingsford Smith International Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Houston to Sydney Kingsford Smith International Airport (SYD)

Think about your travel style when planning the timing of your trip. December is the quietest month to go to Sydney. July is when most people book flights from Houston to Sydney Kingsford Smith International Airport (SYD), which may be perfect if you're chasing more action.
The warmest month in Sydney is January, with temperatures ranging between 17ºC (63ºF) and 32ºC (90ºF). Book your Houston to SYD plane ticket then if that's your idea of comfortable weather.
Search for cheap tickets from Houston to Sydney Kingsford Smith International Airport in July if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF).

More about Sydney

When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Sydney right here. Explore these hotels as soon as you've booked your flight from Houston to Sydney Kingsford Smith International Airport:
There are so many things to do and see in this city, it can be tricky to know where to begin. Sydney Harbour Bridge, Sydney Harbour and Sydney Opera House are top attractions which should feature on every Sydney itinerary.

Explore more of Australia

Sydney has plenty to offer, but there are so many other corners of Australia you'll want to see. About 241 kilometres southwest of Sydney, a visit to Canberra will keep you on the move. Start with leading sights like National Gallery of Australia, National Portrait Gallery and Museum of Australian Democracy.
If you're eager to discover another major destination in Australia, consider Newcastle, roughly 129 kilometres northeast of Sydney. Merewether Beach, Nobbys Beach and Newcastle Beach are key reasons to visit.