What is the cheapest airline that flies from Houston to Sydney Kingsford Smith?

American Airlines and Delta are the most popular carriers operating from Houston to Sydney Kingsford Smith

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 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.

$829 Cheap Flights from Houston to Sydney in 2026

Q: What is the typical price of a round-trip flight between Houston and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $2,574 to $1,758. The lowest price recently found on this route was $1,678.

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Find the cheapest flights from Houston to Sydney

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

12:06 - 22:10

IAH

SYD

43h 04m

3 stops

13:15 - 12:46

SYD

IAH

38h 31m

3 stops

$1,678Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

06:10 - 07:30

IAH

SYD

34h 20m

1 stop

13:15 - 15:11

SYD

IAH

40h 56m

2 stops

$1,697Multiple Airlines

Sat, 8 Aug - Tue, 25 Aug

06:10 - 11:50

IAH

SYD

38h 40m

2 stops

13:15 - 12:46

SYD

IAH

38h 31m

3 stops

$1,699Multiple Airlines

Sat, 13 Jun - Thu, 18 Jun

10:52 - 11:50

IAH

SYD

33h 58m

3 stops

13:15 - 12:46

SYD

IAH

38h 31m

3 stops

$1,744Multiple Airlines

Sat, 13 Jun - Thu, 18 Jun

20:14 - 11:50

HOU

SYD

24h 36m

2 stops

13:15 - 19:51

SYD

HOU

21h 36m

2 stops

$2,105Fiji Airways

Thu, 27 Aug - Tue, 1 Sep

20:14 - 11:50

HOU

SYD

24h 36m

2 stops

13:15 - 19:51

SYD

HOU

21h 36m

2 stops

$2,114Fiji Airways

Thu, 27 Aug - Tue, 1 Sep

16:15 - 06:55

HOU

SYD

22h 40m

1 stop

13:05 - 19:51

SYD

HOU

22h 46m

1 stop

$2,609American Airlines

Mon, 19 Oct - Wed, 28 Oct

18:19 - 08:05

HOU

SYD

21h 46m

2 stops

13:05 - 15:58

SYD

HOU

18h 53m

1 stop

$2,612American Airlines

Mon, 19 Oct - Wed, 28 Oct

10:05 - 07:50

HOU

SYD

29h 45m

2 stops

09:40 - 21:43

SYD

HOU

28h 03m

2 stops

$2,619Delta

Mon, 19 Oct - Wed, 28 Oct

10:05 - 07:50

HOU

SYD

29h 45m

2 stops

09:40 - 21:43

SYD

HOU

28h 03m

2 stops

$2,621Delta

Mon, 19 Oct - Wed, 28 Oct

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

19 Oct

HOU16:15Houston Hobby

22h 40m

1 stop

SYD06:55Sydney Kingsford Smith

28 Oct

SYD13:05Sydney Kingsford Smith

22h 46m

1 stop

HOU19:51Houston Hobby

$2,609

American Airlines

19 Oct

HOU18:19Houston Hobby

21h 46m

2 stops

SYD08:05Sydney Kingsford Smith

28 Oct

SYD13:05Sydney Kingsford Smith

18h 53m

1 stop

HOU15:58Houston Hobby

$2,612

American Airlines

26 July

HOU16:14Houston Hobby

23h 51m

2 stops

SYD07:05Sydney Kingsford Smith

5 Aug

SYD09:10Sydney Kingsford Smith

21h 18m

2 stops

HOU15:28Houston Hobby

$2,615

Fiji Airways flights from Houston to Sydney

Our best Fiji Airways deals on Houston to Sydney flight tickets

Fiji Airways

27 Aug

HOU20:14Houston Hobby

24h 36m

2 stops

SYD11:50Sydney Kingsford Smith

1 Sept

SYD13:15Sydney Kingsford Smith

21h 36m

2 stops

HOU19:51Houston Hobby

$2,105

Fiji Airways

27 Aug

HOU20:14Houston Hobby

24h 36m

2 stops

SYD11:50Sydney Kingsford Smith

1 Sept

SYD13:15Sydney Kingsford Smith

21h 36m

2 stops

HOU19:51Houston Hobby

$2,114

Fiji Airways

1 Aug

HOU18:49Houston Hobby

26h 01m

2 stops

SYD11:50Sydney Kingsford Smith

11 Aug

SYD06:15Sydney Kingsford Smith

28h 36m

2 stops

HOU19:51Houston Hobby

$2,270

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 4/6

12:06-22:10

3 stops43h 04m

Sydney Kingsford Smith

Thu 11/6

13:15-12:46

3 stops38h 31m

$1,678

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 8/8

06:10-07:30

1 stop34h 20m

Sydney Kingsford Smith

Tue 25/8

13:15-15:11

2 stops40h 56m

$1,697

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 13/6

06:10-11:50

2 stops38h 40m

Sydney Kingsford Smith

Thu 18/6

13:15-12:46

3 stops38h 31m

$1,699

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 13/6

10:52-11:50

3 stops33h 58m

Sydney Kingsford Smith

Thu 18/6

13:15-12:46

3 stops38h 31m

$1,744

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 27/8

20:14-11:50

2 stops24h 36m

Sydney Kingsford Smith

Tue 1/9

13:15-19:51

2 stops21h 36m

$2,105

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 27/8

20:14-11:50

2 stops24h 36m

Sydney Kingsford Smith

Tue 1/9

13:15-19:51

2 stops21h 36m

$2,114

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

16:15-06:55

1 stop22h 40m

Sydney Kingsford Smith

Wed 28/10

13:05-19:51

1 stop22h 46m

$2,609

Fastest return journey

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

18:19-08:05

2 stops21h 46m

Sydney Kingsford Smith

Wed 28/10

13:05-15:58

1 stop18h 53m

$2,612

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

10:05-07:50

2 stops29h 45m

Sydney Kingsford Smith

Wed 28/10

09:40-21:43

2 stops28h 03m

$2,619

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

10:05-07:50

2 stops29h 45m

Sydney Kingsford Smith

Wed 28/10

09:40-21:43

2 stops28h 03m

$2,621

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

What is the cheapest month to fly to Sydney?

The month of December is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $100. If you aren’t able to travel to Sydney during the month of December, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $184.

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 from Houston 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 $1,894 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 $1,364 on momondo.

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

There is only 1 cabin class available to choose from on Houston to Sydney 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	Mon, Tue, Thu, Fri and Sat
Airports in Sydney	1 airport

The fastest flight from Houston to Sydney takes 17h 35m

Direct flights go from Houston to Sydney on Monday, Tuesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..

There is 1 airport in Sydney. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston to Sydney

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 17h 35m 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 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.

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Manly

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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.