HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$3,231+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SYD
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Killeen 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.

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 January 28, 2026.

This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:33 pm
GRK
-
SYD
2 stops43h 17m
Qatar Airways
Fri 2/279:40 pm
SYD
-
GRK
2 stops58h 49m
Qatar Airways
Deal found 1/27$3,231
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:31 pm
GRK
-
SYD
2 stops61h 19m
Qatar Airways
Fri 2/133:50 pm
SYD
-
GRK
2 stops43h 13m
Qatar Airways
Deal found 1/25$3,275
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:00 pm
GRK
-
SYD
2 stops56h 50m
Qatar Airways
Sun 2/153:50 pm
SYD
-
GRK
2 stops40h 39m
Qatar Airways
Deal found 1/26$3,567

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$3,231
(lastminute.com)
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
Search Deals

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 January 28, 2026.
Use the filters below to find and compare flights from Killeen to Sydney that are best for you.

Fly from

Killeen

Fly to

Sydney

Route

Depart

Return

Price

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Wed 2/18

6:33 pm-6:50 am

2 stops43h 17m

Sydney Kingsford Smith

Fri 2/27

9:40 pm-3:29 pm

2 stops58h 49m

$3,231

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Mon 2/9

12:31 pm-6:50 pm

2 stops61h 19m

Sydney Kingsford Smith

Fri 2/13

3:50 pm-6:03 pm

2 stops43h 13m

$3,275

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • 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 $396). Flying from Killeen to Sydney in December is currently the most expensive (average of $969). 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 43h 17m. 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 $396). Flying from Killeen to Sydney in December is currently the most expensive (average of $969). 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

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.

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.
Site
Cookie settings©2026 Cheapflights