$1,992+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SYD
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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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
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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
Best
Last-minute
One-way
Cheapest flights from Killeen to SydneyExplore 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 October 28, 2026.
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 October 28, 2026.
This lastminute.com deal was found by Cheapflights users on 10/26. 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 11/16:43 pm -
2 stops67h 07m
Mon 11/163:50 pm -
2 stops39h 47m
Deal found 10/26![Qatar Airways logo]()
$2,874
This Qatar Airways deal was found by Cheapflights users on 10/23. 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.
Sat 10/243:16 pm -
2 stops36h 04m
Wed 10/283:50 pm -
2 stops38h 54m
Deal found 10/23![Qatar Airways logo]()
$3,379
This Qatar Airways deal was found by Cheapflights users on 10/25. 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.
Wed 10/287:02 pm -
2 stops56h 18m
Sun 11/13:50 pm -
2 stops39h 47m
Deal found 10/25![Qatar Airways logo]()
$3,384
This lastminute.com deal was found by Cheapflights users on 10/24. 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.
Sat 12/53:17 pm -
2 stops35h 03m
Sun 12/133:50 pm -
2 stops39h 53m
Deal found 10/24![Qatar Airways logo]()
$3,412
Best flights from Killeen to SydneyDiscover carefully curated flight deals from Killeen to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
Discover carefully curated flight deals from Killeen to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
This lastminute.com deal was found by Cheapflights users on 10/24. 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.
Sat 12/53:17 pm -
2 stops35h 03m
Sun 12/133:50 pm -
2 stops39h 53m
Deal found 10/24![Qatar Airways logo]()
$3,412
Last-minute flights from Killeen to SydneyDiscover last-minute flight deals from Killeen to Sydney. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Sydney. Data last updated October 28, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 10/25. 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.
Wed 10/287:02 pm -
2 stops56h 18m
Sun 11/13:50 pm -
2 stops39h 47m
Deal found 10/25![Qatar Airways logo]()
$3,384
This lastminute.com deal was found by Cheapflights users on 10/26. 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 11/16:43 pm -
2 stops67h 07m
Mon 11/163:50 pm -
2 stops39h 47m
Deal found 10/26![Qatar Airways logo]()
$2,874
One-way flights from Killeen to SydneySearch for one-way flight options from Killeen to Sydney. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from Killeen to Sydney. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This Bravofly deal was found by Cheapflights users on 10/25. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:50 pm -
2 stops54h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Qatar Airways logo]()
$1,992
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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $3,412 (lastminute.com) |
One-way from | $1,992 (Bravofly) |
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 7,457,451 searches. Data last updated October 28, 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
Cheapest round-trip
Quickest round-trip
KilleenSydney
GRK Killeen Fort Hood Regional - SYD Sydney Kingsford Smith
GRKSYD
Killeen Fort Hood Regional
Mon 12/28
6:50 pm-6:20 pm
2 stops54h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,992
KilleenSydney
GRK Killeen Fort Hood Regional - SYD Sydney Kingsford Smith
GRKSYD
Killeen Fort Hood Regional
Sat 12/5
3:17 pm-7:20 pm
2 stops35h 03m
Sydney Kingsford Smith
Sun 12/13
3:50 pm-2:43 pm
2 stops39h 53m
$3,412
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.
GRK-SYD
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.
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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