HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$843+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Galveston to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Galveston to Sydney Kingsford Smith are usually found in July or March, booked 54 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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 December 16, 2025.

This Cathay Pacific deal was found by Cheapflights users on 12/14. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:13 amHOU - SYD
2 stops41h 37mMultiple Airlines
Wed 2/410:20 pmSYD - HOU
2 stops41h 26mMultiple Airlines
Deal found 12/14$1,413
This Cathay Pacific deal was found by Cheapflights users on 12/14. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:09 pmHOU - SYD
2 stops39h 41mMultiple Airlines
Wed 2/48:45 amSYD - HOU
2 stops31h 01mMultiple Airlines
Deal found 12/14$1,692
This Cathay Pacific deal was found by Cheapflights users on 12/14. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:09 pmHOU - SYD
2 stops39h 41mMultiple Airlines
Sat 1/318:45 amSYD - HOU
2 stops31h 01mMultiple Airlines
Deal found 12/14$1,742
This Delta deal was found by Cheapflights users on 12/14. 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 12/3010:46 amHOU - SYD
2 stops27h 04mDelta
Tue 1/1310:40 amSYD - HOU
2 stops22h 30mDelta
Deal found 12/14$1,768
This Cathay Pacific deal was found by Cheapflights users on 12/14. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:16 pmHOU - SYD
2 stops31h 34mMultiple Airlines
Sat 1/318:45 amSYD - HOU
2 stops31h 01mMultiple Airlines
Deal found 12/14$1,792
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/2510:46 amHOU - SYD
2 stops28h 44mDelta
Mon 2/22:15 pmSYD - HOU
2 stops25h 18mDelta
Deal found 12/14$1,808
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/2510:46 amHOU - SYD
2 stops28h 44mDelta
Wed 1/1410:40 amSYD - HOU
2 stops22h 30mDelta
Deal found 12/15$1,818
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/253:25 pmHOU - SYD
2 stops24h 05mDelta
Thu 2/52:15 pmSYD - HOU
2 stops25h 18mDelta
Deal found 12/14$1,868
This Delta deal was found by Cheapflights users on 12/15. 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 12/2310:46 amHOU - SYD
2 stops27h 04mDelta
Mon 1/122:15 pmSYD - HOU
2 stops37h 06mDelta
Deal found 12/15$2,118
This Delta deal was found by Cheapflights users on 12/14. 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 12/246:00 amHOU - SYD
2 stops33h 30mDelta
Tue 2/32:15 pmSYD - HOU
2 stops25h 18mDelta
Deal found 12/14$2,157
This Delta deal was found by Cheapflights users on 12/15. 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.
Sat 12/276:40 pmHOU - SYD
2 stops43h 10mDelta
Wed 12/3110:40 amSYD - HOU
2 stops26h 44mDelta
Deal found 12/15$2,246
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/253:25 pmHOU - SYD
2 stops24h 05mDelta
Tue 12/3010:40 amSYD - HOU
2 stops24h 10mDelta
Deal found 12/15$2,269

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 December 16, 2025.

Round-trip from

$1,139
(American Airlines)

One-way from

$843
(American Airlines)

Popular in

January

Cheapest in

July

Average price

$1,372
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. 16% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 16, 2025.
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 3/10

2:05 pm-7:30 am

2 stops25h 25m

Sydney Kingsford Smith

Tue 3/24

9:40 am-4:32 pm

2 stops22h 52m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 4/22

1:00 pm-6:35 am

2 stops26h 35m

Sydney Kingsford Smith

Wed 5/13

9:15 am-9:38 pm

2 stops27h 23m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 5/11

1:00 pm-6:35 am

2 stops26h 35m

Sydney Kingsford Smith

Mon 5/18

9:15 am-9:38 pm

2 stops27h 23m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 2/1

11:09 am-8:30 am

2 stops28h 21m

Sydney Kingsford Smith

Sun 2/15

10:40 am-9:28 pm

2 stops27h 48m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 3/22

10:35 am-6:05 am

2 stops27h 30m

Sydney Kingsford Smith

Wed 4/8

9:15 am-10:28 pm

2 stops28h 13m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 3/11

10:35 am-7:25 am

2 stops28h 50m

Sydney Kingsford Smith

Tue 3/24

9:40 am-4:32 pm

2 stops22h 52m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 2/24

5:25 am-6:50 am

2 stops32h 25m

Sydney Kingsford Smith

Wed 3/11

9:40 am-4:32 pm

2 stops22h 52m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 3/23

10:35 am-7:25 am

2 stops28h 50m

Sydney Kingsford Smith

Mon 3/30

10:15 am-9:40 am

2 stops39h 25m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 2/24

5:25 am-6:50 am

2 stops32h 25m

Sydney Kingsford Smith

Mon 3/9

1:15 pm-10:28 pm

2 stops25h 13m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 5/20

10:05 am-6:35 am

2 stops29h 30m

Sydney Kingsford Smith

Fri 5/29

9:15 am-9:38 pm

2 stops27h 23m

$1,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 22 results
1
2
3

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 December 12, 2025.

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, December is the cheapest month in which you can book a flight from Galveston to Sydney (average of $447). Flying from Galveston to Sydney in January is currently the most expensive (average of $847). 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 December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Galveston to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Galveston to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Galveston to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Galveston to Sydney flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 16, 2025.
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
552 reviews

Crew

8.5

Entertainment

7.5

Comfort

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess
Air New Zealand
8.0
Very good
552 reviews
Air New Zealand
8.0
Very good
552 reviews

Crew

8.5

Entertainment

7.5

Comfort

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess
Delta
7.9
Good
8,008 reviews
Air New Zealand
8.0
Very good
552 reviews

Crew

8.5

Entertainment

7.5

Comfort

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess
Qantas Airways
7.5
Good
946 reviews
Air New Zealand
8.0
Very good
552 reviews

Crew

8.5

Entertainment

7.5

Comfort

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess
United Airlines
7.4
Good
9,094 reviews
Air New Zealand
8.0
Very good
552 reviews

Crew

8.5

Entertainment

7.5

Comfort

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess
American Airlines
7.2
Good
11,049 reviews
Air New Zealand
8.0
Very good
552 reviews

Crew

8.5

Entertainment

7.5

Comfort

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

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 25h 25m. 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 $396. American Airlines flights start at $404 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, December is the cheapest month in which you can book a flight from Galveston to Sydney (average of $447). Flying from Galveston to Sydney in January is currently the most expensive (average of $847). 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
Coogee

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.

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$337Average$947FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$799Average$902FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$825Average$854FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$839Average$1,690FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$957Average$1,340FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$971Average$1,162FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$998Average$1,242FlexibilityNo cancel feeOn-time67%

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.