Cheap flights from Houston to Sydney

William P. Hobby
HOU
Kingsford Smith
SYD

Flight deals from Houston to Sydney

Below you can see the best deals on flights Houston — Sydney for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 29 October, from $530.

Top 10 cheap flights from Houston to Sydney

F9
F9
UA
UA
$ 713

Houston — Sydney

07:00—06:55
9 Sep 2026
32 h 55 m
3 stops
F9
F9
UA
UA
$ 713

Houston — Sydney

07:00—06:55
9 Sep 2026
32 h 55 m
3 stops
F9
F9
UA
UA
$ 713

Houston — Sydney

06:25—06:55
9 Sep 2026
33 h 30 m
3 stops
F9
F9
UA
UA
$ 713

Houston — Sydney

06:25—06:55
9 Sep 2026
33 h 30 m
3 stops
F9
F9
UA
UA
$ 713

Houston — Sydney

06:28—06:55
9 Sep 2026
33 h 27 m
3 stops
DL
DL
UA
UA
$ 720

Houston — Sydney

07:00—06:55
9 Sep 2026
32 h 55 m
3 stops
DL
DL
UA
UA
$ 720

Houston — Sydney

07:00—06:55
9 Sep 2026
32 h 55 m
3 stops
F9
F9
NH
NH
$ 721

Houston — Sydney

06:25—09:25
9 Sep 2026
36 h
3 stops
F9
AS
AS
$ 729

Houston — Sydney

16:02—18:50
5 Sep 2026
59 h 48 m
2 stops
F9
UA
UA
$ 730

Houston — Sydney

16:02—06:55
5 Sep 2026
47 h 53 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

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

The price of a flight from Houston to Sydney changes depending on how far ahead you book. For the best chance of a lower fare, book around 30 days before departure, when the average ticket costs about $378. Fares also tend to climb as the departure date gets closer.

About the Houston — Sydney flight

Looking for cheap flights from Houston to Sydney? Compare fares from different airlines, check the flight schedule and travel time — and book your Houston — Sydney ticket online at the best price.

The route has direct flights — around 21 flights per week, flights are operated by United Airlines, a nonstop flight takes about 17 h 46 min, the distance between the cities is around 13,816 km.

Planning your trip? You may find our Sydney travel guide, how to get from the airport into town and Sydney weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $485Min. price
NovemberCheapest
MayPeak season
YesDirect flights
13,816 kmDistance
17 h 46 minTravel time
1Airlines
21 / wkFlights

Flight ticket prices by day: Houston — Sydney

Below is a calendar of the lowest flight ticket prices for Houston — Sydney by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $485 in November, and the most expensive are around $729 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Houston to Sydney by month. Tickets are usually cheapest in August (around $745) and priciest in January (about $1,256) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$1,256highMay$931mediumSep$884medium
Feb$931mediumJun$791lowOct$791low
Mar$977mediumJul$791lowNov$838medium
Apr$977mediumAug$745lowDec$1,256high

Some values are estimated based on seasonality.

When to fly

Weather in Sydney: it is warmest in January (up to 28 °C on average) and coolest in June (around 17 °C). The driest month is August.

Tickets are usually cheapest in November and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Sydney

Dry and wet days · Sydney

Wind speed and direction · Sydney

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How to get the best deal on a Houston — Sydney ticket

  • Book ahead: fares for Houston — Sydney are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Houston is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Sydney is usually November — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Houston — Sydney route are operated by 1 airline; United Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    7x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAH → SYD7x/week
    100.0%Open →

Cities and airports on the Houston — Sydney route

Flights Houston — Sydney depart from George Bush Intercontinental Airport and William P. Hobby Airport and arrive at Sydney (Kingsford Smith) Airport and Western Sydney International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Houston

HOU
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Sydney

SYD
Australia
About the cityHow to get thereWeatherAll about the country Australia
Departure airports
Arrival airports

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Frequently asked questions about the Houston — Sydney flight

How long is the flight from Houston to Sydney?

A nonstop Houston — Sydney flight takes about 17 h 46 min — the distance between the cities is around 13,816 km.

How far is it from Houston to Sydney?

The distance from Houston to Sydney is about 13,816 km, which a nonstop flight covers in around 17 h 46 min.

Are there direct flights from Houston to Sydney?

Yes, there are nonstop flights Houston — Sydney — around 21 flights per week.

Which airlines fly from Houston to Sydney?

Airlines operating Houston — Sydney include United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Houston — Sydney flights use?

Flights from Houston depart from George Bush Intercontinental Airport, William P. Hobby Airport, and arrive at Sydney (Kingsford Smith) Airport, Western Sydney International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Houston to Sydney?

The price of a Houston — Sydney ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in May. Tickets typically cost between $485 and $729. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Houston — Sydney?

Flights Houston — Sydney are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is November. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Houston to Sydney?

To catch a low fare Houston — Sydney, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually November.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Houston

See all
New York CityDallasAtlantaLos AngelesWashington, D.C.ChicagoDenverOrlandoMexico CityMiamiLondonCancunFort LauderdaleOklahoma CityTulsaDetroitPhoenixMcAllenMonterreySeattleCorpus ChristiWichitaMinneapolisBirminghamLittle RockCharlotteSan AntonioAustinPanama CityMidlandBaton RougeTampaBostonSan SalvadorEl PasoNew OrleansKnoxvilleLubbockSan FranciscoSalt Lake City

Where else you can fly from Sydney

See all
MelbourneBrisbaneAucklandCanberraGold CoastAdelaidePerthSingaporeSunshine CoastHobartCairnsHong KongBangkokDenpasarTokyoChristchurchKuala LumpurQueenstownBallinaWellingtonCoffs HarbourNadiWagga WaggaLauncestonLos AngelesPort MacquarieAlburySeoulDubboDarwinGuangzhouDubaiOrangeManilaHo Chi Minh CityShanghaiTamworthHonoluluAbu DhabiTownsville

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