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$3,176+ Cheap flights from Killeen (GRK) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SYD
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Killeen to Sydney

Cheapest flights from Killeen to Sydney
Explore the most affordable flight options available from Killeen to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Rumbo deal was found by Cheapflights users on 3/15. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:09 pm
GRK
-
SYD
2 stops44h 01m
Qatar Airways
Sun 5/172:50 pm
SYD
-
GRK
2 stops39h 34m
Qatar Airways
Deal found 3/15$3,176
This Qatar Airways deal was found by Cheapflights users on 3/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:49 pm
GRK
-
SYD
2 stops43h 01m
Qatar Airways
Tue 11/103:50 pm
SYD
-
GRK
2 stops40h 50m
Qatar Airways
Deal found 3/12$3,313
This lastminute.com deal was found by Cheapflights users on 3/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:21 pm
GRK
-
SYD
2 stops43h 49m
Qatar Airways
Tue 7/148:45 pm
SYD
-
GRK
2 stops54h 38m
Qatar Airways
Deal found 3/13$16,120
This Bravofly deal was found by Cheapflights users on 3/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:52 pm
GRK
-
SYD
2 stops43h 18m
Qatar Airways
Fri 8/72:50 pm
SYD
-
GRK
2 stops40h 11m
Qatar Airways
Deal found 3/14$17,898

Find flight deals from Killeen to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$3,176
(Rumbo)
Provider with most accurate pricing for Killeen Fort Hood Regional-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Sydney Kingsford Smith flights.
Search Deals
From Killeen Fort Hood Regional to Sydney Kingsford Smith
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen 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 March 17, 2026.
Use the filters below to find and compare flights from Killeen to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Mon 5/4

7:09 pm-6:10 am

2 stops44h 01m

Sydney Kingsford Smith

Sun 5/17

2:50 pm-3:24 pm

2 stops39h 34m

$3,176

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Tue 5/26

7:21 pm-6:10 am

2 stops43h 49m

Sydney Kingsford Smith

Tue 7/14

8:45 pm-12:23 pm

2 stops54h 38m

$16,120
Quickest round-trip

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Sat 6/6

7:52 pm-6:10 am

2 stops43h 18m

Sydney Kingsford Smith

Fri 8/7

2:50 pm-4:01 pm

2 stops40h 11m

$17,898

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Killeen-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Killeen-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Killeen to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Killeen 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 Killeen to Sydney

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

Currently, May is the cheapest month in which you can book a flight from Killeen to Sydney (average of $251). Flying from Killeen to Sydney in October is currently the most expensive (average of $1,217). 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.

Related info for your journey

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

  • How long is the flight from Killeen to Sydney?

    Qatar Airways can get you from Killeen to Sydney in just under 44h 01m. Your travel time can differ by up to . The distance between Killeen and Sydney is about 8484 mi.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Killeen to Sydney (average of $251). Flying from Killeen to Sydney in October is currently the most expensive (average of $1,217). 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
Coogee
Manly

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