What are the cheapest airlines flying from Houston to Sydney round-trip?

Currently priced at $203, Delta will fly you from Houston to Sydney and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qantas Airways and American Airlines - these airlines can fly you to your destination from $447 and $833, respectively. Delta is 86% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Houston to Sydney one-way?

The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $385. However, be on the lookout for offers from United Airlines and Air New Zealand, as they are both options that can get you from Houston to Sydney for a low price.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Houston to Sydney?

When booking a flight from Houston to Sydney, you may want to consider flying on Air New Zealand, United Airlines or American Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from HOU to SYD?

When flying from Houston to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Sydney from Houston?

Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Sydney from Houston. Booking flights from Houston to Kingsford Smith (SYD) should be relatively easy as there are 0 daily inbound flights from Houston from 5 different airlines.

Can I find deals for flights from Houston to Sydney that include hotel bookings?

Yes. In addition to deals on Houston to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Houston to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Sydney.

Can I find deals for business class flights from Houston to Sydney?

Yes. Cheapflights offers flight deals from Houston to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Houston to Sydney

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Find flight deals from Houston to Sydney

Popular in	June
Cheapest in	November
Average price	$1,561

Highest demand for flights based on searches. 5% potential increase in price ($91 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Best time to book a flight from Houston to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Houston with our price prediction graph.

HO1-SYD

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Houston to Sydney

How far ahead should I book a flight from Houston to Sydney?

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Houston to Sydney (average of $1,216). Flying from Houston to Sydney in December is currently the most expensive (average of $1,912). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

The best insider tips for Houston to Sydney flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Sydney trip

Our travel experts

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

John Walton

Expert on SYD

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read reviews from past customers who have flown Air New Zealand,Delta, andQantas Airways from Houston to Sydney. 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.

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Air New Zealand

8.0

Very good

669 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Delta

7.8

Good

8,590 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Qantas Airways

7.5

Good

1,101 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

United Airlines

7.4

Good

10,226 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

American Airlines

7.0

Good

12,075 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Related info for your journey

What airport do you fly into for flights to Sydney from Houston?
Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Sydney from Houston. Booking flights from Houston to Kingsford Smith (SYD) should be relatively easy as there are 0 daily inbound flights from Houston from 5 different airlines.
What are the cheapest airlines flying from Houston to Sydney round-trip?
Currently priced at $203, Delta will fly you from Houston to Sydney and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qantas Airways and American Airlines - these airlines can fly you to your destination from $447 and $833, respectively. Delta is 86% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Houston to Sydney one-way?
The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $385. However, be on the lookout for offers from United Airlines and Air New Zealand, as they are both options that can get you from Houston to Sydney for a low price.
Can I find deals for flights from Houston to Sydney that include hotel bookings?
Yes. In addition to deals on Houston to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Houston to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Sydney.
Can I find deals for business class flights from Houston to Sydney?
Yes. Cheapflights offers flight deals from Houston to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Houston to Sydney?
Currently, November is the cheapest month in which you can book a flight from Houston to Sydney (average of $1,216). Flying from Houston to Sydney in December is currently the most expensive (average of $1,912). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from Houston to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$203	Average$366	FlexibilityNo cancel fee	On-timeN/A
Qantas Airways	Cheapest$447	Average$967	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$833	Average$897	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$839	Average$1,663	FlexibilityNo cancel fee	On-time69%
Air New Zealand	Cheapest$908	Average$1,557	FlexibilityNo cancel fee	On-time78%

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Cheap flights from Houston to Sydney (SYD)

Find cheap flights from Houston to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Houston to Sydney

Popular in

Cheapest in

Average price

Best time to book a flight from Houston to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Houston with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Houston to Sydney?

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

The best insider tips for Houston to Sydney flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Sydney trip

Our travel experts

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown Air New Zealand,Delta, andQantas Airways from Houston to Sydney. 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.

Related info for your journey

What airport do you fly into for flights to Sydney from Houston?

What are the cheapest airlines flying from Houston to Sydney round-trip?

What are the cheapest airlines to fly from Houston to Sydney one-way?

Can I find deals for flights from Houston to Sydney that include hotel bookings?

How can I find direct flights from Houston to Sydney?

Can I find deals for business class flights from Houston to Sydney?

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

Traveling to a place near Sydney?

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Complete your trip

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Search flights from Houston to Sydney by cabin class

Find flights from Houston to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Houston and Sydney flights

Browse other Houston and Sydney flight options. Last updated on September 23, 2026.

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Top 5 airlines flying from Houston to Sydney

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