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Look for other cheap flights to Houston

$638 Cheap flights to Houston

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Houston departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Houston

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:20 - 18:42
SYD
-
IAH
24h 22m
1 stop
Air Canada Logo
18:10 - 08:35
IAH
-
SYD
22h 25m
1 stop
$1,144Air Canada
Thu, 22 Oct - Mon, 26 Oct
Air Canada Logo
09:20 - 15:51
SYD
-
IAH
21h 31m
1 stop
Air Canada Logo
16:50 - 07:20
IAH
-
SYD
23h 30m
1 stop
$1,148Air Canada
Mon, 24 Aug - Mon, 31 Aug
Air New Zealand Logo
09:20 - 15:51
SYD
-
IAH
21h 31m
1 stop
Air New Zealand Logo
16:50 - 07:20
IAH
-
SYD
23h 30m
1 stop
$1,313Air New Zealand
Mon, 24 Aug - Mon, 31 Aug
Air New Zealand Logo
09:20 - 10:50
SYD
-
IAH
40h 30m
1 stop
Air New Zealand Logo
16:50 - 07:20
IAH
-
SYD
23h 30m
1 stop
$1,326Air New Zealand
Tue, 11 Aug - Thu, 27 Aug
Multiple Airlines Logo
10:15 - 19:52
BNE
-
IAH
48h 37m
2 stops
Multiple Airlines Logo
16:45 - 15:30
IAH
-
BNE
31h 45m
2 stops
$1,329Multiple Airlines
Tue, 8 Sep - Thu, 15 Oct
Multiple Airlines Logo
13:15 - 23:56
SYD
-
IAH
25h 41m
2 stops
Multiple Airlines Logo
16:02 - 11:50
IAH
-
SYD
28h 48m
2 stops
$1,337Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
United Airlines Logo
11:20 - 11:15
SYD
-
IAH
39h 55m
2 stops
United Airlines Logo
17:35 - 09:20
IAH
-
SYD
22h 45m
1 stop
$1,983United Airlines
Fri, 23 Oct - Sun, 1 Nov
United Airlines Logo
10:55 - 11:15
MEL
-
IAH
39h 20m
2 stops
United Airlines Logo
20:05 - 07:30
IAH
-
MEL
20h 25m
1 stop
$2,076United Airlines
Thu, 27 Aug - Mon, 31 Aug
Qantas Airways Logo
12:00 - 17:59
SYD
-
HOU
20h 59m
1 stop
Qantas Airways Logo
14:08 - 06:55
HOU
-
SYD
24h 47m
1 stop
$2,358Qantas Airways
Wed, 23 Sep - Mon, 12 Oct
Qantas Airways Logo
12:00 - 17:42
SYD
-
HOU
20h 42m
1 stop
Qantas Airways Logo
13:56 - 06:55
HOU
-
SYD
25h 59m
1 stop
$2,443Qantas Airways
Mon, 14 Sep - Tue, 22 Sep

momondo Fare Finder

 
Locate flights to Houston that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 29 July 2026.
Use the filters below to find and compare flights to Houston that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 22/10

10:20-18:42

1 stop24h 22m

Houston George Bush Intcntl

Mon 26/10

18:10-08:35

1 stop22h 25m

$1,144
Fastest return journey

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 24/8

09:20-15:51

1 stop21h 31m

Houston George Bush Intcntl

Mon 31/8

16:50-07:20

1 stop23h 30m

$1,148

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 24/8

09:20-15:51

1 stop21h 31m

Houston George Bush Intcntl

Mon 31/8

16:50-07:20

1 stop23h 30m

$1,313

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 11/8

09:20-10:50

1 stop40h 30m

Houston George Bush Intcntl

Thu 27/8

16:50-07:20

1 stop23h 30m

$1,326

BrisbaneHouston

BNE - IAH

BNEIAH

Brisbane

Tue 8/9

10:15-19:52

2 stops48h 37m

Houston George Bush Intcntl

Thu 15/10

16:45-15:30

2 stops31h 45m

$1,329

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 25/8

13:15-23:56

2 stops25h 41m

Houston George Bush Intcntl

Tue 1/9

16:02-11:50

2 stops28h 48m

$1,337

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 23/10

11:20-11:15

2 stops39h 55m

Houston George Bush Intcntl

Sun 1/11

17:35-09:20

1 stop22h 45m

$1,983

MelbourneHouston

MEL - IAH

MELIAH

Melbourne

Thu 27/8

10:55-11:15

2 stops39h 20m

Houston George Bush Intcntl

Mon 31/8

20:05-07:30

1 stop20h 25m

$2,076

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Wed 23/9

12:00-17:59

1 stop20h 59m

Houston Hobby

Mon 12/10

14:08-06:55

1 stop24h 47m

$2,358

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Mon 14/9

12:00-17:42

1 stop20h 42m

Houston Hobby

Tue 22/9

13:56-06:55

1 stop25h 59m

$2,443

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

Houston flights insights and trends

Explore insights for your Houston flight to craft the best travel plan

What is the cheapest month to fly to Houston?

If you aren’t able to travel to Houston during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,499.

What is the absolute cheapest flight to Houston?

The best deal found on momondo in the last two weeks was a flight to Houston from Seattle for $330. This is 69% cheaper than most flight deals to Houston. To find the cheapest price to Houston from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

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

You are more likely to see cheaper flights to Houston from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $1,699 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Australia for as low as $1,564 on momondo.

Cheapest flights to Houston

Find the cheapest flights to Houston from your nearest city or airport
Find flights from Sydney to Houston George Bush Intcntl Airport
CHEAPEST MONTH TO FLY TO HOUSTON FROM SYDNEYMay28% cheaperFlying from Sydney to Houston costs on average just $1,228 in May
MOST EXPENSIVE MONTH TO FLY TO HOUSTON FROM SYDNEYDecember22% more expensiveIt costs about $2,073 for flights to Houston from Sydney in December
MOST POPULAR MONTH TO FLY TO HOUSTON FROM SYDNEYDecember391% more users visitedMore momondo users searched in flights to Houston from Sydney in December than any other month

Cheap Houston flight deals and tips

Summary info about Houston flight prices, duration and airlines

Best One-Way Price

$638

Best Round-Trip Price

$1,144

Fastest flight time

21h 37m

Popular in

December
The best one-way flight price to Houston from Australia in the last 5 days is $638 (Sydney Kingsford Smith to Houston George Bush Intcntl).
Search Deals
The best return flight price to Houston from Australia in the last 5 days is $1,144 (Sydney Kingsford Smith to Houston George Bush Intcntl).
Search Deals
The fastest flight to Houston from Australia takes 21h 37m (Melbourne to Houston Hobby).
Search Deals
December has the highest demand for flights to Houston, with a 4% price increase on average.
Search Deals

Frequently asked questions about flying to Houston

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

We recommend purchasing flights from Australia to Houston 32 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Houston for $1,699. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $450.

Is there an alternative airport near Houston?

Those flying to Houston could potentially find better pricing at Houston George Bush Intcntl Airport (26 km from Houston city centre), Beaumont Jefferson County Airport (132 km from Houston city centre) or College Station Easterwood Field Airport (133 km from Houston city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Houston?

You can find deals at Houston George Bush Intcntl Airport for $1,079 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Are there flights to River Oaks?

Yes, if you fly to Houston George Bush Intcntl in Houston which is the closest available airport to River Oaks (27.9 km away).

When did momondo last update prices for flights to Houston?

Prices for flights to Houston are refreshed on a daily basis.

How many operators does momondo search for flights to Houston?

The number of operators available for flights to Houston is 7 as of July 2026.

How old do you have to be to fly to Houston?

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 to Houston.

What documentation or ID do you need to fly to Houston?

The travel and health documents required for your trip to Houston 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 Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 for you.

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

Flights to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Houston?

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

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

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

An easier way to manage your Houston trip

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Find better results for your trip to Houston

Popular Flights to Houston

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to Houston Flightsfrom $1,076
Melbourne to Houston Flightsfrom $986
Perth to Houston Flightsfrom $1,724
Adelaide to Houston Flightsfrom $1,079
Brisbane to Houston Flightsfrom $927