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Cheap flights from Houston to Sydney from $829

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 to Sydney departing on 3/12. 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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Cheap return flights

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Multiple Airlines Logo
10:39 - 07:25IAH-SYD
27h 46m1 stop
Multiple Airlines Logo
11:20 - 19:12SYD-IAH
24h 52m1 stop
$1,512Multiple Airlines
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Tue, 25 Nov - Mon, 8 Dec
Multiple Airlines Logo
16:12 - 20:15IAH-SYD
35h 03m3 stops
Multiple Airlines Logo
14:00 - 19:32SYD-IAH
22h 32m2 stops
$1,537Multiple Airlines
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Air New Zealand Logo
20:05 - 08:45IAH-SYD
19h 40m1 stop
Air New Zealand Logo
09:55 - 14:05SYD-IAH
21h 10m1 stop
$1,558Air New Zealand
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Mon, 1 Dec - Mon, 8 Dec
Air New Zealand Logo
14:20 - 10:30IAH-SYD
27h 10m2 stops
Air New Zealand Logo
07:45 - 21:23SYD-IAH
30h 38m2 stops
$1,566Air New Zealand
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Tue, 25 Nov - Mon, 8 Dec
Fiji Airways Logo
18:10 - 22:05IAH-SYD
34h 55m2 stops
Fiji Airways Logo
14:00 - 19:01SYD-IAH
22h 01m2 stops
$1,637Fiji Airways
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Tue, 10 Feb - Tue, 24 Feb
Fiji Airways Logo
18:21 - 22:05IAH-SYD
34h 44m2 stops
Fiji Airways Logo
06:00 - 20:00SYD-IAH
30h 00m2 stops
$1,674Fiji Airways
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Sat, 21 Feb - Tue, 10 Mar
American Airlines Logo
16:22 - 09:00HOU-SYD
23h 38m2 stops
American Airlines Logo
11:20 - 18:01SYD-HOU
22h 41m2 stops
$2,215American Airlines
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Tue, 24 Feb - Wed, 11 Mar
American Airlines Logo
16:22 - 09:00HOU-SYD
23h 38m2 stops
American Airlines Logo
13:05 - 18:01SYD-HOU
20h 56m1 stop
$2,216American Airlines
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Tue, 24 Feb - Wed, 11 Mar
Qantas Airways Logo
18:29 - 14:25HOU-SYD
27h 56m2 stops
Qantas Airways Logo
17:50 - 13:30SYD-HOU
35h 40m2 stops
$2,638Qantas Airways
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Wed, 11 Mar - Tue, 24 Mar
Qantas Airways Logo
12:15 - 14:50HOU-SYD
33h 35m2 stops
Qantas Airways Logo
06:20 - 17:59SYD-HOU
28h 39m2 stops
$2,728Qantas Airways
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Sat, 29 Nov - Tue, 9 Dec

Air New Zealand flights from Houston to Sydney

Our best Air New Zealand deals on Houston to Sydney flight tickets
Air New Zealand
1 Dec
IAH20:05Houston George Bush Intcntl
19h 40m
1 stop
SYD08:45Sydney Kingsford Smith
8 Dec
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,558
Find similar
Air New Zealand
25 Nov
IAH14:20Houston George Bush Intcntl
27h 10m
2 stops
SYD10:30Sydney Kingsford Smith
8 Dec
SYD07:45Sydney Kingsford Smith
30h 38m
2 stops
IAH21:23Houston George Bush Intcntl
$1,566
Find similar
Air New Zealand
23 Nov
IAH20:05Houston George Bush Intcntl
19h 40m
1 stop
SYD08:45Sydney Kingsford Smith
7 Dec
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,585
Find similar

Fiji Airways flights from Houston to Sydney

Our best Fiji Airways deals on Houston to Sydney flight tickets
Fiji Airways
10 Feb
IAH18:10Houston George Bush Intcntl
34h 55m
2 stops
SYD22:05Sydney Kingsford Smith
24 Feb
SYD14:00Sydney Kingsford Smith
22h 01m
2 stops
IAH19:01Houston George Bush Intcntl
$1,637
Find similar
Fiji Airways
21 Feb
IAH18:21Houston George Bush Intcntl
34h 44m
2 stops
SYD22:05Sydney Kingsford Smith
10 Mar
SYD06:00Sydney Kingsford Smith
30h 00m
2 stops
IAH20:00Houston George Bush Intcntl
$1,674
Find similar
Fiji Airways
8 Nov
IAH18:28Houston George Bush Intcntl
34h 22m
2 stops
SYD21:50Sydney Kingsford Smith
15 Nov
SYD14:00Sydney Kingsford Smith
22h 15m
2 stops
IAH19:15Houston George Bush Intcntl
$1,899
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Houston to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 2 November 2025.
Use the filters below to find and compare flights from Houston to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 25/11

10:39-07:25

1 stop27h 46m

Sydney Kingsford Smith

Mon 8/12

11:20-19:12

1 stop24h 52m

$1,512

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 29/11

16:12-20:15

3 stops35h 03m

Sydney Kingsford Smith

Sat 6/12

14:00-19:32

2 stops22h 32m

$1,537

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 1/12

20:05-08:45

1 stop19h 40m

Sydney Kingsford Smith

Mon 8/12

09:55-14:05

1 stop21h 10m

$1,558

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 25/11

14:20-10:30

2 stops27h 10m

Sydney Kingsford Smith

Mon 8/12

07:45-21:23

2 stops30h 38m

$1,566

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/2

18:10-22:05

2 stops34h 55m

Sydney Kingsford Smith

Tue 24/2

14:00-19:01

2 stops22h 01m

$1,637

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 21/2

18:21-22:05

2 stops34h 44m

Sydney Kingsford Smith

Tue 10/3

06:00-20:00

2 stops30h 00m

$1,674

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 24/2

16:22-09:00

2 stops23h 38m

Sydney Kingsford Smith

Wed 11/3

11:20-18:01

2 stops22h 41m

$2,215

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 24/2

16:22-09:00

2 stops23h 38m

Sydney Kingsford Smith

Wed 11/3

13:05-18:01

1 stop20h 56m

$2,216

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 11/3

18:29-14:25

2 stops27h 56m

Sydney Kingsford Smith

Tue 24/3

17:50-13:30

2 stops35h 40m

$2,638

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 29/11

12:15-14:50

2 stops33h 35m

Sydney Kingsford Smith

Tue 9/12

06:20-17:59

2 stops28h 39m

$2,728

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Houston 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 cheapest month to fly to Sydney?

The month of July is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $1,349. If you aren’t able to travel to Sydney during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,370.

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 $1,640. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,866.

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 to Sydney in the afternoon for as low as $1,579. 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 $3,301 on average. Flights to Sydney from Houston in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,680 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Houston for as low as $1,321 on momondo.

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

There is only 1 cabin class available to choose from on Houston 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.

Cheap Houston to Sydney flight deals and tips

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

Fastest flight time

17h 35m

Direct flights

Every day

Airports in Sydney

1 airport
The fastest flight from Houston to Sydney takes 17h 35m
Direct flights go from Houston to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • How far is Houston to Sydney Kingsford Smith by plane?

    The distance between Houston and Sydney Kingsford Smith is about 13809.4 km. Typically, this will take 19h 40m by plane in normal conditions.

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

    Prices for flights from Houston to Sydney Kingsford Smith Airport were last updated today.

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

  • How old do you have to be to fly from Houston 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 stopovers 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 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 licence 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.

Best airlines flying from Houston to Sydney

Compare and see reviews for airlines that fly from Houston to Sydney with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $705Free cancellationRating
7.5
926 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

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

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 provides multiple filters to help you find the best flight to Sydney from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Houston and alert you when they change.

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