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$835+ Cheap flights from Galveston, TX to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Galveston to Sydney

Cheapest flights from Galveston to Sydney
Explore the most affordable flight options available from Galveston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:57 am
HOU
-
SYD
1 stop29h 58m
American Airlines
Wed 5/1312:00 pm
SYD
-
HOU
1 stop18h 49m
American Airlines
Deal found 1/25$1,451
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:22 pm
HOU
-
SYD
1 stop19h 33m
American Airlines
Wed 7/15:50 pm
SYD
-
HOU
2 stops21h 02m
American Airlines
Deal found 1/25$1,456
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/112:13 pm
HOU
-
SYD
2 stops25h 12m
Delta
Wed 3/259:40 am
SYD
-
HOU
2 stops29h 02m
Delta
Deal found 1/25$1,471
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:25 am
HOU
-
SYD
2 stops32h 25m
Delta
Wed 3/119:40 am
SYD
-
HOU
2 stops29h 02m
Delta
Deal found 1/27$1,473
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:25 pm
HOU
-
SYD
1 stop19h 30m
American Airlines
Wed 9/212:00 pm
SYD
-
HOU
1 stop21h 00m
American Airlines
Deal found 1/26$1,501
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:21 pm
HOU
-
SYD
1 stop19h 34m
American Airlines
Fri 5/2912:00 pm
SYD
-
HOU
1 stop18h 45m
American Airlines
Deal found 1/27$1,503
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:23 pm
HOU
-
SYD
2 stops21h 42m
American Airlines
Mon 6/85:50 pm
SYD
-
HOU
2 stops21h 02m
American Airlines
Deal found 1/26$1,505

Find flight deals from Galveston to Sydney

Keep the following information in mind while searching for Galveston to Sydney flight deals. Data was last updated January 27, 2026.

Round-trip from

$1,451
(American Airlines)

One-way from

$835
(Cathay Pacific)

Popular in

January

Cheapest in

July

Average price

$1,473
From Galveston to Sydney Kingsford Smith
Search Deals
One-way flight from Galveston to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Galveston to Sydney that are best for you.

Fly from

Galveston

Fly to

Sydney

Route

Depart

Return

Price

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 6/30

1:00 pm-6:50 am

2 stops26h 50m

Sydney Kingsford Smith

Sun 7/12

9:15 am-9:35 pm

2 stops27h 20m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 4/20

10:46 am-6:50 am

2 stops29h 04m

Sydney Kingsford Smith

Sun 5/3

9:15 am-11:05 pm

2 stops28h 50m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 3/10

2:13 pm-7:30 am

2 stops25h 17m

Sydney Kingsford Smith

Tue 3/24

9:40 am-10:42 pm

2 stops29h 02m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 6/29

1:00 pm-6:50 am

2 stops26h 50m

Sydney Kingsford Smith

Tue 7/14

9:15 am-9:35 pm

2 stops27h 20m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 5/4

10:46 am-6:50 am

2 stops29h 04m

Sydney Kingsford Smith

Wed 5/13

9:15 am-9:38 pm

2 stops27h 23m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 6/29

1:00 pm-6:50 am

2 stops26h 50m

Sydney Kingsford Smith

Wed 7/15

9:15 am-9:35 pm

2 stops27h 20m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 2/22

5:25 am-6:50 am

2 stops32h 25m

Sydney Kingsford Smith

Wed 3/4

10:40 am-4:28 pm

2 stops22h 48m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 6/30

1:00 pm-6:50 am

2 stops26h 50m

Sydney Kingsford Smith

Tue 7/14

9:15 am-9:35 pm

2 stops27h 20m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 3/11

6:00 am-7:25 am

2 stops33h 25m

Sydney Kingsford Smith

Wed 3/18

9:40 am-10:42 pm

2 stops29h 02m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 3/11

6:00 am-7:25 am

2 stops33h 25m

Sydney Kingsford Smith

Tue 3/24

9:40 am-10:42 pm

2 stops29h 02m

$1,471

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 24 results
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Best time to book a flight from Galveston to Sydney

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

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

Use this chart to determine the optimal time to book a round-trip flight from Galveston to Sydney. Price data was last updated on January 23, 2026.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Galveston 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 Galveston to Sydney?

Currently, May is the cheapest month in which you can book a flight from Galveston to Sydney (average of $414). Flying from Galveston to Sydney in January is currently the most expensive (average of $846). 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.

What is the cheapest time of day to fly from G4L to SYD?

Find hourly flight availability from Galveston to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

When flying from Galveston 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.

How much does it cost to fly round-trip from Galveston to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Galveston to Sydney, such as Air New Zealand, Delta, and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
575 reviews

Food

7.4

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very good
575 reviews
Air New Zealand
8.0
Very good
575 reviews

Food

7.4

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Delta
7.9
Good
8,119 reviews
Air New Zealand
8.0
Very good
575 reviews

Food

7.4

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
978 reviews
Air New Zealand
8.0
Very good
575 reviews

Food

7.4

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,205 reviews
Air New Zealand
8.0
Very good
575 reviews

Food

7.4

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
American Airlines
7.2
Good
11,197 reviews
Air New Zealand
8.0
Very good
575 reviews

Food

7.4

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Related info for your journey

Find useful and relevant information for your journey from Galveston to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Galveston to Sydney. You should not have trouble finding flights to Kingsford Smith from Galveston; the airport handles an average of 0 inbound flights from Galveston per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Sydney airport from Galveston. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from Galveston to Sydney?

    Delta can get you from Galveston to Sydney in just under 26h 50m. Your travel time can differ by up to . Galveston and Sydney are separated by a distance of 8586 mi.

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

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $385. American Airlines flights start at $419 while deals on United Airlines start at $430 one-way.

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

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

  • How can I find direct flights from Galveston to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Galveston 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 Galveston to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Galveston to Sydney (average of $414). Flying from Galveston to Sydney in January is currently the most expensive (average of $846). 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.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly

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Top 7 airlines flying from Galveston to Sydney

Discover the top 7 airlines that operate flights from Galveston to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$337Average$948FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$666Average$918FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$820Average$848FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$839Average$1,690FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$957Average$1,329FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$971Average$1,162FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$997Average$1,202FlexibilityNo cancel feeOn-time67%

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