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Cheap flights from Houston George Bush Intcntl Airport to Sydney from $664

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Sydney departing on 21/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Sydney

Cheap return flights

Delta Logo
07:33 - 06:35IAH-SYD
32h 02m2 stops
Delta Logo
09:25 - 20:58SYD-IAH
26h 33m2 stops
$1,295Delta
Find Deal
Mon, 7 Jul - Sun, 20 Jul
Delta Logo
16:34 - 06:35IAH-SYD
23h 01m1 stop
Delta Logo
09:25 - 14:12SYD-IAH
19h 47m1 stop
$1,311Delta
Find Deal
Mon, 7 Jul - Mon, 14 Jul
Delta Logo
16:34 - 06:35IAH-SYD
23h 01m1 stop
Delta Logo
09:25 - 17:52SYD-IAH
23h 27m2 stops
$1,317Delta
Find Deal
Mon, 7 Jul - Mon, 14 Jul
 Logo
11:56 - 07:30IAH-SYD
28h 34m1 stop
 Logo
17:45 - 22:35SYD-IAH
19h 50m1 stop
$1,579
Find Deal
Sat, 16 Aug - Tue, 26 Aug
 Logo
11:56 - 07:30IAH-SYD
28h 34m1 stop
 Logo
09:10 - 19:59SYD-IAH
25h 49m1 stop
$1,580
Find Deal
Wed, 2 Jul - Wed, 30 Jul
Air New Zealand Logo
21:55 - 08:45IAH-SYD
19h 50m1 stop
Air New Zealand Logo
09:55 - 16:15SYD-IAH
21h 20m1 stop
$1,617Air New Zealand
Find Deal
Tue, 29 Jul - Tue, 5 Aug
Air New Zealand Logo
21:55 - 10:35IAH-SYD
21h 40m1 stop
Air New Zealand Logo
11:50 - 16:15SYD-IAH
19h 25m1 stop
$1,622Air New Zealand
Find Deal
Wed, 10 Sep - Tue, 23 Sep
Air Canada Logo
20:01 - 07:20IAH-SYD
44h 19m1 stop
Air Canada Logo
09:20 - 15:42SYD-IAH
21h 22m1 stop
$1,671Air Canada
Find Deal
Sat, 6 Sep - Sun, 21 Sep
Air Canada Logo
10:00 - 07:20IAH-SYD
54h 20m3 stops
Air Canada Logo
09:20 - 13:32SYD-IAH
43h 12m2 stops
$1,682Air Canada
Find Deal
Thu, 7 Aug - Thu, 28 Aug
Fiji Airways Logo
19:21 - 11:45IAH-SYD
25h 24m2 stops
Fiji Airways Logo
06:15 - 20:13SYD-IAH
28h 58m2 stops
$1,913Fiji Airways
Find Deal
Tue, 29 Jul - Tue, 5 Aug

Delta flights from Houston George Bush Intcntl Airport to Sydney

Our best Delta deals on Houston George Bush Intcntl Airport to Sydney flight tickets
Delta
7 July
IAH07:33Houston George Bush Intcntl
32h 02m
2 stops
SYD06:35Sydney Kingsford Smith
20 July
SYD09:25Sydney Kingsford Smith
26h 33m
2 stops
IAH20:58Houston George Bush Intcntl
Delta
7 July
IAH16:34Houston George Bush Intcntl
23h 01m
1 stop
SYD06:35Sydney Kingsford Smith
14 July
SYD09:25Sydney Kingsford Smith
19h 47m
1 stop
IAH14:12Houston George Bush Intcntl
Delta
7 July
IAH16:34Houston George Bush Intcntl
23h 01m
1 stop
SYD06:35Sydney Kingsford Smith
14 July
SYD09:25Sydney Kingsford Smith
23h 27m
2 stops
IAH17:52Houston George Bush Intcntl

Air New Zealand flights from Houston George Bush Intcntl Airport to Sydney

Our best Air New Zealand deals on Houston George Bush Intcntl Airport to Sydney flight tickets
Air New Zealand
29 July
IAH21:55Houston George Bush Intcntl
19h 50m
1 stop
SYD08:45Sydney Kingsford Smith
5 Aug
SYD09:55Sydney Kingsford Smith
21h 20m
1 stop
IAH16:15Houston George Bush Intcntl
Air New Zealand
10 Sept
IAH21:55Houston George Bush Intcntl
21h 40m
1 stop
SYD10:35Sydney Kingsford Smith
23 Sept
SYD11:50Sydney Kingsford Smith
19h 25m
1 stop
IAH16:15Houston George Bush Intcntl
Air New Zealand
29 July
IAH21:55Houston George Bush Intcntl
21h 40m
1 stop
SYD10:35Sydney Kingsford Smith
5 Aug
SYD11:50Sydney Kingsford Smith
27h 43m
2 stops
IAH00:33Houston George Bush Intcntl

See travel insights to Sydney from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Sydney?

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Houston George Bush Intcntl Airport, with most prices found around $1,485. If you aren’t able to travel to Sydney during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,489.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,654. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,890.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Houston George Bush Intcntl Airport to Sydney in the afternoon for as low as $1,593. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $3,222 on average. Flights to Sydney from Houston George Bush Intcntl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Houston George Bush Intcntl to Sydney Kingsford Smith flight route?

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston George Bush Intcntl - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Houston George Bush Intcntl Airport when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,897 when searching 17 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Houston George Bush Intcntl Airport for as low as $1,550 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Sydney Kingsford Smith flights?

There are 1 cabin classes available to choose from on Houston George Bush Intcntl to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Houston George Bush Intcntl Airport to Sydney flight prices changed over time?

As of June 2025, prices for Houston George Bush Intcntl Airport to Sydney flights are approximately 56% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Houston George Bush Intcntl Airport to Sydney (IAH to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Sydney

Best price found

$664

Fastest flight time

17h 30m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from Houston George Bush Intcntl Airport in the past 72 hours is $664. The best return flight deal from Houston George Bush Intcntl Airport to Sydney found on momondo in the last 72 hours is $1,295.
The fastest flight from Houston George Bush Intcntl Airport to Sydney takes 17h 30m
Direct flights go from Houston George Bush Intcntl Airport to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Houston George Bush Intcntl to Sydney Kingsford Smith by plane?

    There are 13821.4 km between Houston George Bush Intcntl and Sydney Kingsford Smith. Flights usually cover this in 17h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport are updated daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Sydney?


Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Katoomba
Lithgow
Penrith
Leura
Manly
Coogee
Bondi Beach
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Sydney for you.

Can I find flights from Houston to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Houston with this policy.

How can momondo help me find flights from Houston to Sydney?

Once you have performed a search for Houston to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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