$216+ 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 16/4. 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
27 Apr — 4 May1
1 adult
1 adult, Economy, 0 bags

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 28 March 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Thu 9/4

19:59-19:20

2 stops32h 21m

Melbourne

Thu 16/4

07:30-20:20

2 stops27h 50m

$2,070

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 4/8

18:19-18:50

2 stops33h 31m

Sydney Kingsford Smith

Tue 18/8

20:45-16:52

2 stops35h 07m

$2,142

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 24/6

16:00-07:50

1 stop24h 50m

Melbourne

Wed 8/7

10:00-00:04

1 stop29h 04m

$2,239

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 3/6

07:45-07:50

2 stops33h 05m

Melbourne

Wed 1/7

10:00-21:52

2 stops26h 52m

$2,246

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Mon 11/5

06:00-07:50

2 stops34h 50m

Melbourne

Wed 20/5

10:00-22:26

2 stops27h 26m

$2,247

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 13/4

14:30-19:10

2 stops37h 40m

Sydney Kingsford Smith

Sun 17/5

21:05-19:10

2 stops37h 05m

$2,252

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 14/5

17:57-18:50

2 stops33h 53m

Sydney Kingsford Smith

Thu 28/5

20:45-16:57

2 stops35h 12m

$2,279

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 5/8

18:19-18:50

2 stops33h 31m

Sydney Kingsford Smith

Fri 21/8

20:45-16:52

2 stops35h 07m

$2,285

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 4/8

12:50-07:50

2 stops52h 00m

Melbourne

Fri 14/8

10:00-21:35

2 stops26h 35m

$2,348

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 29/7

18:19-18:50

2 stops33h 31m

Sydney Kingsford Smith

Thu 6/8

20:45-13:32

2 stops31h 47m

$2,380

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 13 March 2026.

The best time to book flights from Houston is 26 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 $289). Flying from Houston in April will prove the most costly (average of $1,508). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 March 2026.

  • 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 April. 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 $1,279 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.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.