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$235+ Cheap flights from Houston

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — SYD
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

Cheapest flights from Houston
Explore the most affordable flight options available from Houston. Find the lowest fares based on data from user searches, with prices last updated on 12 January 2026.

Wed 25/216:34
IAH
-
SYD
2 stops27h 01m
Multiple Airlines
Wed 4/314:00
SYD
-
IAH
2 stops27h 30m
Multiple Airlines
Deal found 10/1$1,235
Sat 31/115:49
IAH
-
SYD
2 stops27h 46m
Multiple Airlines
Tue 10/206:00
SYD
-
IAH
2 stops34h 59m
Multiple Airlines
Deal found 12/1$1,291
Sat 7/216:08
IAH
-
SYD
2 stops27h 27m
Multiple Airlines
Sat 14/214:00
SYD
-
IAH
2 stops27h 30m
Multiple Airlines
Deal found 10/1$1,356
Wed 18/207:58
IAH
-
MEL
2 stops32h 32m
Multiple Airlines
Wed 25/206:45
MEL
-
IAH
2 stops34h 45m
Multiple Airlines
Deal found 11/1$1,366
Thu 5/316:34
IAH
-
BNE
2 stops26h 01m
Multiple Airlines
Sun 15/311:25
BNE
-
IAH
2 stops28h 30m
Multiple Airlines
Deal found 10/1$1,366
Tue 5/516:30
IAH
-
BNE
2 stops47h 35m
Air Canada
Tue 26/510:00
BNE
-
IAH
2 stops42h 39m
Air Canada
Deal found 10/1$1,386
Tue 5/516:45
IAH
-
BNE
1 stop23h 20m
Air Canada
Sun 10/510:00
BNE
-
IAH
2 stops42h 39m
Air Canada
Deal found 12/1$1,398
Tue 3/212:10
IAH
-
BNE
2 stops28h 35m
Air Canada
Tue 17/210:45
BNE
-
IAH
2 stops42h 49m
Air Canada
Deal found 11/1$1,402
Mon 16/212:21
IAH
-
MEL
2 stops35h 54m
Qantas Airways
Mon 9/312:00
MEL
-
IAH
1 stop23h 11m
Qantas Airways
Deal found 12/1$1,404
Tue 5/516:45
IAH
-
BNE
1 stop23h 20m
Air Canada
Mon 11/510:00
BNE
-
IAH
1 stop20h 44m
Air Canada
Deal found 12/1$1,433
Mon 9/212:10
IAH
-
BNE
2 stops28h 35m
Air Canada
Wed 25/210:45
BNE
-
IAH
1 stop21h 39m
Air Canada
Deal found 10/1$1,438
Fri 24/416:32
IAH
-
BNE
2 stops47h 33m
Air Canada
Tue 12/510:00
BNE
-
IAH
2 stops42h 39m
Air Canada
Deal found 10/1$1,451

Find flights from Houston within your budget

 
Find flights departing from Houston that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 11/2

17:25-08:45

1 stop23h 20m

Brisbane

Wed 18/2

10:45-13:34

2 stops42h 49m

$1,398

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 5/5

16:45-07:05

1 stop23h 20m

Brisbane

Sun 10/5

10:00-15:44

1 stop20h 44m

$1,433

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 16/2

12:21-17:15

2 stops35h 54m

Melbourne

Mon 9/3

12:00-19:11

1 stop23h 11m

$1,436

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/2

09:36-08:45

2 stops31h 09m

Brisbane

Tue 17/2

10:45-13:34

2 stops42h 49m

$1,493

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 18/2

17:25-08:45

1 stop23h 20m

Brisbane

Thu 12/3

09:45-16:24

1 stop21h 39m

$1,498

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 6/5

16:25-10:55

2 stops27h 30m

Melbourne

Wed 27/5

08:35-16:25

1 stop22h 50m

$1,529

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 25/2

15:02-10:55

2 stops26h 53m

Melbourne

Wed 4/3

10:35-14:05

1 stop20h 30m

$1,529

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 18/2

15:02-10:55

2 stops26h 53m

Melbourne

Wed 25/2

12:10-14:05

1 stop18h 55m

$1,529

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 24/6

21:55-17:10

2 stops28h 15m

Melbourne

Wed 8/7

12:10-16:25

1 stop19h 15m

$1,541

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sat 7/2

18:10-18:45

2 stops31h 35m

Melbourne

Sat 14/2

07:00-19:25

2 stops29h 25m

$1,546

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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Best time to book a flight from Houston

Have a flexible travel schedule? Discover the best time to fly from Houston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Houston

Get recent, data-driven insights about flights from Houston including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Houston?

Use this chart to determine the optimal time to book a return flight from Houston to Sydney. Price data was last updated on 9 January 2026.

The best time to book flights from Houston is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston?

Currently, May is the cheapest month in which you can book a flight from Houston (average of $619). Flying from Houston in January will prove the most costly (average of $1,265). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Houston?

When flying from Houston check dates and pricing for the following: Qantas Airways. As it departs for the following popular destinations: Sydney.

Frontier
Frontier
From $131
Turkish Airlines
Turkish Airlines
From $1,938
Qantas Airways
Qantas Airways
From $690

Airline reviews for flights from Houston

Get insights into the airlines that provide service from Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Houston. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Read through reviews of airlines serving Houston, such as Qantas Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
969 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.2

Overall

7.5

Boarding

7.7

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
969 reviews
Qantas Airways
7.5
Good
969 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.2

Overall

7.5

Boarding

7.7

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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Direct flights from Texas

Book a direct flight from one of these other cities located in Texas.
Direct flights from Austin
Direct flights from San Antonio

Related info for your journey

Access useful and relevant information related to your journey from Houston. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 January 2026.

  • Which is the cheapest airport to catch a flight from Houston?

    The cheapest routes to Sydney can be found at Houston George Bush Intcntl airport from $1,202. While Houston Hobby airport is usually cheaper if your destination is Melbourne with prices starting at $1,202. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Houston?

    Currently, the cheapest month for flights from Houston is May. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Houston?

    View the cheapest flight destinations from Houston:
    Fly from Houston to Sydney from $1,202 round trip
    Fly from Houston to Melbourne from $1,248 round trip

  • How does Cheapflights help users find flights from Houston?

    When you search for this flight from Houston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Houston?

    Millions of users choose and trust Cheapflights to book the best flight deals from Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from Houston with no change fees?

    Certainly. Search results for flights from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Houston become cheaper?

    Yes! Start tracking prices for flights from Houston today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston?

When you search for this flight from Houston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Houston?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston with no change fees?

Certainly. Search results for flights from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Houston become cheaper?

Yes! Start tracking prices for flights from Houston today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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