$781 Find Cheap Flights from Houston to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Houston to Sydney departing on 3/12. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Sydney, as well as popular online travel agencies
Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Houston to Sydney

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Houston to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Houston to Sydney

Fri, 28 Nov - Fri, 5 Dec
Multiple Airlines Logo
18:05 - 12:30IAH-SYD
25h 25m2 stops
Multiple Airlines Logo
14:00 - 19:32SYD-IAH
22h 32m2 stops
$1,431Multiple Airlines
Find Deal
Sun, 8 Feb - Mon, 16 Feb
Multiple Airlines Logo
07:30 - 09:35IAH-SYD
33h 05m2 stops
Multiple Airlines Logo
11:20 - 06:20SYD-IAH
36h 00m2 stops
$1,584Multiple Airlines
Find Deal
Sat, 7 Feb - Tue, 17 Feb
Fiji Airways Logo
18:10 - 22:05IAH-SYD
34h 55m2 stops
Fiji Airways Logo
06:00 - 19:01SYD-IAH
30h 01m2 stops
$1,622Fiji Airways
Find Deal
Mon, 1 Dec - Fri, 16 Jan
Air New Zealand Logo
20:05 - 10:30IAH-SYD
21h 25m1 stop
Air New Zealand Logo
11:45 - 14:05SYD-IAH
19h 20m1 stop
$1,625Air New Zealand
Find Deal
Fri, 28 Nov - Mon, 8 Dec
Air New Zealand Logo
20:05 - 08:45IAH-SYD
19h 40m1 stop
Air New Zealand Logo
09:55 - 14:05SYD-IAH
21h 10m1 stop
$1,626Air New Zealand
Find Deal
Tue, 10 Feb - Tue, 24 Feb
Fiji Airways Logo
18:10 - 22:05IAH-SYD
34h 55m2 stops
Fiji Airways Logo
14:00 - 19:01SYD-IAH
22h 01m2 stops
$1,632Fiji Airways
Find Deal
Thu, 20 Nov - Fri, 5 Dec
Delta Logo
10:40 - 08:30HOU-SYD
28h 50m2 stops
Delta Logo
10:40 - 17:52SYD-HOU
24h 12m2 stops
$1,973Delta
Find Deal
Mon, 16 Feb - Sun, 2 Aug
Delta Logo
10:05 - 08:30HOU-SYD
29h 25m2 stops
Delta Logo
09:25 - 21:35SYD-HOU
27h 10m2 stops
$2,232Delta
Find Deal
Sat, 7 Mar - Sun, 15 Mar
Qantas Airways Logo
12:16 - 06:55HOU-SYD
25h 39m1 stop
Qantas Airways Logo
17:50 - 13:30SYD-HOU
35h 40m2 stops
$2,604Qantas Airways
Find Deal
Fri, 6 Feb - Fri, 20 Feb
Qantas Airways Logo
16:55 - 14:25HOU-SYD
28h 30m2 stops
Qantas Airways Logo
06:20 - 11:46SYD-HOU
22h 26m2 stops
$2,721Qantas Airways
Find Deal

Everything you should know

Top airlines
Fiji Airways
Cheapest • from $1,622 (return)
Qantas Airways
Best reviews • 7.5 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
IAH-SYD
Cheapest
IAH-SYD
Most popular
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
Insights
Insights
Cheapest return fare
$1,431
Overall average: $1,987
Multiple Airlines
Fri 28/11Fri 5/12
IAH - SYD • 2 stops
Cheapest direct flights
$2,202
United Airlines
Tue 24/2Tue 3/3
IAH - SYD • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Sydney!
Booking Insights

KAYAK's insights & trends for Houston to Sydney flights

Get data-powered insights and trends into flights from Houston to Sydney to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Houston to Sydney?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Houston to Sydney departing in November.

What is the cheapest Houston to Sydney flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Houston to Sydney costs $2,278 on the route between Houston George Bush Intcntl Airport (IAH) and Sydney (SYD). It is also the most popular route.

What is the cheapest month to fly from Houston to Sydney?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Houston to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Houston to Sydney is July, where tickets cost $1,345 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $2,310 and $2,208 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Houston to Sydney, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Houston to Sydney, you should book around 2 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Good to know

Cheapest flight$579
Flight from Houston George Bush Airport to Sydney

When to book flights from Houston to Sydney

Are your dates flexible? Find out the best times to travel from Houston to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Houston to Sydney

  • What is the cheapest flight from Houston to Sydney?

    In the last 3 days, the lowest price for a flight from Houston to Sydney was $579 for a one-way ticket and $1,431 for a return.

  • Which airports will I be using when flying from Houston to Sydney?

    On your way to Sydney, you’ll fly out from one of these Houston airports: Houston Hobby or Houston George Bush Intcntl. You’ll be landing at Sydney Kingsford Smith.

  • Which aircraft models fly most regularly from Houston to Sydney?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Houston to Sydney?

    oneworld is the only airline alliance operating flights between Houston and Sydney.

  • How does KAYAK find such low prices on flights from Houston to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Houston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Sydney with an airline and back to Houston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Houston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Houston to Sydney Kingsford Smith?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Houston to Sydney Kingsford Smith.
Find which airlines fly direct from Houston to Sydney Kingsford Smith Airport, which days they fly and book direct flights.

Direct departures

Houston to Sydney Kingsford Smith

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Sydney Kingsford Smith to Houston

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Reviews of the top airline flying from Houston to Sydney

 
See real verified KAYAK customer reviews for airlines flying from Houston to Sydney. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Houston to Sydney? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
Qantas AirwaysOverall score based on 925 reviews
7.5Comfort
7.0Food
7.2Entertainment
7.7Boarding
8.2Crew
Airline reviews

After already paying for excess luggage prior to flight, i was advised AT check in that i had to pay $816 or forfeit my flight! The lady at the counter was SO rude and had already started offboarding me when i said i would pay it after asking her three times for the exact amount! Have lodged a formal complaint yet heard nothing. Will not ever travel via Qantas again

2.0 MediocreR, Oct 2025WLG - BNE
Read more Qantas Airways reviews

After already paying for excess luggage prior to flight, i was advised AT check in that i had to pay $816 or forfeit my flight! The lady at the counter was SO rude and had already started offboarding me when i said i would pay it after asking her three times for the exact amount! Have lodged a formal complaint yet heard nothing. Will not ever travel via Qantas again

A few more inches of legroom is all i ask

One of the best Qantas business flights I've had. Quality product

Business class points redemption - good value for points paid, dubious value if out of your own pocket, domestic class business product okay for this length of flight. The flight left and arrived on time, crew were good, aircraft was a bit old and tired, but still miles ahead of their competitors in Virgin and Jetstar.

Airline running better than post Covid, proper boarding process now implemented, some aircraft feeling a bit old and tired, crew fine, online experience better.

Five hour flight instead of four hours due to westerly headwinds which wasn’t the fault of Qantas !

The wifi was out. Otherwise it was great flight. Richard, as CSM, was excellent.

Was bumped to a later flight because of inefficiency on part of the airline.

The Emerits/Qantas flight was cancelled to Wellington. We need a refund. Had to buy another airline ticket. How do we get the refund. Still not in Wellington.

Delayed QF59 flight once again, Qantas doesn't fail in maintaining there delayed departures and arrivals. USB points do not work nor do the power point sockets on the plane, Qantas staff admitted that on the flight. Don't expect to your charge devices. Saving grace, was the ice cream. Bottom line, if you expect to fly to HND and make it on time avoid Qantas and if you're interested in ice cream - visit 7/11.

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

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.