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Cheap flights from Houston George Bush Intcntl Airport to Sydney from $431

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 8/21. 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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0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Sydney

Cheap round-trip flights

Delta Logo
7:33 am - 6:35 amIAH-SYD
32h 02m2 stops
Delta Logo
9:25 am - 8:58 pmSYD-IAH
26h 33m2 stops
$841Delta
Find Deal
lun., jul. 7 - dom., jul. 20
Delta Logo
4:34 pm - 6:35 amIAH-SYD
23h 01m1 stop
Delta Logo
9:25 am - 2:12 pmSYD-IAH
19h 47m1 stop
$851Delta
Find Deal
lun., jul. 7 - lun., jul. 14
Delta Logo
4:34 pm - 6:35 amIAH-SYD
23h 01m1 stop
Delta Logo
9:25 am - 5:52 pmSYD-IAH
23h 27m2 stops
$855Delta
Find Deal
lun., jul. 7 - lun., jul. 14
Air New Zealand Logo
9:55 pm - 8:45 amIAH-SYD
19h 50m1 stop
Air New Zealand Logo
9:55 am - 4:15 pmSYD-IAH
21h 20m1 stop
$1,050Air New Zealand
Find Deal
mar., jul. 29 - mar., ago. 5
Air New Zealand Logo
9:55 pm - 10:35 amIAH-SYD
21h 40m1 stop
Air New Zealand Logo
11:50 am - 4:15 pmSYD-IAH
19h 25m1 stop
$1,053Air New Zealand
Find Deal
mié., sep. 10 - mar., sep. 23
Air Canada Logo
8:01 pm - 7:20 amIAH-SYD
44h 19m1 stop
Air Canada Logo
9:20 am - 3:42 pmSYD-IAH
21h 22m1 stop
$1,085Air Canada
Find Deal
sáb., sep. 6 - dom., sep. 21
Air Canada Logo
10:00 am - 7:20 amIAH-SYD
54h 20m3 stops
Air Canada Logo
9:20 am - 1:32 pmSYD-IAH
43h 12m2 stops
$1,092Air Canada
Find Deal
jue., ago. 7 - jue., ago. 28
United Airlines Logo
9:52 pm - 9:15 amIAH-SYD
42h 23m1 stop
United Airlines Logo
11:50 am - 10:25 amSYD-IAH
15h 35mnonstop
$1,449United Airlines
Find Deal
sáb., nov. 29 - dom., dic. 7
United Airlines Logo
4:45 pm - 7:55 amIAH-SYD
23h 10m1 stop
United Airlines Logo
11:50 am - 11:25 amSYD-IAH
15h 35mnonstop
$1,451United Airlines
Find Deal
mar., oct. 14 - mar., oct. 28
Qantas Airways Logo
7:55 pm - 7:05 amIAH-SYD
20h 10m1 stop
Qantas Airways Logo
9:10 am - 7:14 pmSYD-IAH
25h 04m1 stop
$1,640Qantas Airways
Find Deal
mar., jul. 1 - mié., jul. 30

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
Jul 7
IAH7:33 amHouston George Bush Intcntl
32h 02m
2 stops
SYD6:35 amSydney Kingsford Smith
Jul 20
SYD9:25 amSydney Kingsford Smith
26h 33m
2 stops
IAH8:58 pmHouston George Bush Intcntl
Delta
Jul 7
IAH4:34 pmHouston George Bush Intcntl
23h 01m
1 stop
SYD6:35 amSydney Kingsford Smith
Jul 14
SYD9:25 amSydney Kingsford Smith
19h 47m
1 stop
IAH2:12 pmHouston George Bush Intcntl
Delta
Jul 7
IAH4:34 pmHouston George Bush Intcntl
23h 01m
1 stop
SYD6:35 amSydney Kingsford Smith
Jul 14
SYD9:25 amSydney Kingsford Smith
23h 27m
2 stops
IAH5:52 pmHouston 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
Jul 29
IAH9:55 pmHouston George Bush Intcntl
19h 50m
1 stop
SYD8:45 amSydney Kingsford Smith
Aug 5
SYD9:55 amSydney Kingsford Smith
21h 20m
1 stop
IAH4:15 pmHouston George Bush Intcntl
Air New Zealand
Sep 10
IAH9:55 pmHouston George Bush Intcntl
21h 40m
1 stop
SYD10:35 amSydney Kingsford Smith
Sep 23
SYD11:50 amSydney Kingsford Smith
19h 25m
1 stop
IAH4:15 pmHouston George Bush Intcntl
Air New Zealand
Jul 29
IAH9:55 pmHouston George Bush Intcntl
21h 40m
1 stop
SYD10:35 amSydney Kingsford Smith
Aug 5
SYD11:50 amSydney Kingsford Smith
27h 43m
2 stops
IAH12:33 amHouston 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?

In general, May is the cheapest month to fly from Houston George Bush Intcntl Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $964. If you are unable to visit Sydney during the month of May, then departing from Houston George Bush Intcntl Airport during the month April is also very affordable. Most momondo users find prices during this month for around $967.

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

The cheapest day to depart from Houston George Bush Intcntl Airport to Sydney is on a Tuesday when prices can be found for as low as $1,171. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,370.

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 at noon. momondo users have found flights departing from Houston George Bush Intcntl Airport to Sydney at noon for as low as $868. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,674. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,232 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 $1,006 on momondo.

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

There are 3 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.

Can stopping save me money on Houston George Bush Intcntl Airport to Sydney flights?

You could potentially save up to 39% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Sydney flight.

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 round-trip 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

$431

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 $431. The best round-trip flight deal from Houston George Bush Intcntl Airport to Sydney found on momondo in the last 72 hours is $841.
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?

    A flight from Houston George Bush Intcntl to Sydney Kingsford Smith will travel around 8588.3 mi. Typically, this will take 17h 30m by plane in normal conditions.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport?

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from Houston George Bush Intcntl Airport to Sydney

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $799Free CancellationRating
7.5
857 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $826Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $830Free CancellationRating
8.0
7,963 reviews
Search Delta flights
Air New ZealandPriceFrom $957Free CancellationRating
8.0
485 reviews
Search Air New Zealand flights
Air CanadaPriceFrom $962Free CancellationRating
7.1
9,553 reviews
Search Air Canada flights
Fiji AirwaysPriceFrom $995Free CancellationRating
8.0
199 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,009Free CancellationRating
7.4
8,801 reviews
Search United Airlines flights

Traveling to a place near Sydney?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Sydney. momondo saves you time and could save you money on your trip.

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

All flight searches from Houston to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Houston and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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1 adult
sáb. 6/21
sáb. 6/28

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