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$1,619+ Cheap flights from Killeen (GRK) to Australia

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SYD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Killeen to Australia

Keep the following information in mind while searching for Killeen to Australia flight deals. Data was last updated October 29, 2025.

Round-trip from

$1,795
(American Airlines)
From Killeen Fort Hood Regional to Australia
Search Deals

Find flight deals from Killeen to Australia

Cheapest flights from Killeen to Australia
Explore the most affordable flight options available from Killeen to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/29. 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 12/84:10 pmGRK - SYD
2 stops23h 50mAmerican Airlines
Wed 12/1711:20 amSYD - GRK
2 stops24h 04mAmerican Airlines
Deal found 10/29$1,619
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/1111:52 amGRK - MEL
1 stop24h 08mAmerican Airlines
Thu 12/184:05 pmMEL - GRK
1 stop18h 51mAmerican Airlines
Deal found 10/27$1,795
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/76:53 pmGRK - SYD
2 stops21h 07mAmerican Airlines
Wed 12/1711:20 amSYD - GRK
2 stops24h 04mAmerican Airlines
Deal found 10/29$1,819
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/64:10 pmGRK - SYD
2 stops23h 50mAmerican Airlines
Tue 12/1611:20 amSYD - GRK
2 stops27h 58mAmerican Airlines
Deal found 10/29$1,845
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/64:10 pmGRK - MEL
2 stops26h 15mAmerican Airlines
Mon 12/1510:15 amMEL - GRK
2 stops51h 50mAmerican Airlines
Deal found 10/29$2,409
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/74:10 pmGRK - MEL
1 stop19h 50mAmerican Airlines
Mon 12/1510:15 amMEL - GRK
2 stops49h 09mAmerican Airlines
Deal found 10/29$2,450
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/1011:52 amGRK - MEL
1 stop24h 08mAmerican Airlines
Wed 12/1710:15 amMEL - GRK
2 stops51h 18mAmerican Airlines
Deal found 10/29$2,650
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:10 pmGRK - MEL
2 stops24h 20mAmerican Airlines
Mon 11/171:55 pmMEL - GRK
2 stops45h 31mAmerican Airlines
Deal found 10/26$2,826
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:15 pmGRK - MEL
2 stops35h 05mQatar Airways
Thu 12/184:10 pmMEL - GRK
2 stops42h 46mQatar Airways
Deal found 10/29$3,120
This lastminute.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/26:53 pmGRK - SYD
2 stops54h 57mQatar Airways
Sun 11/163:50 pmSYD - GRK
2 stops40h 50mQatar Airways
Deal found 10/27$3,335
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/711:52 amGRK - SYD
1 stop26h 03mAmerican Airlines
Mon 12/152:05 pmSYD - GRK
1 stop21h 19mAmerican Airlines
Deal found 10/29$3,396
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:15 pmGRK - SYD
2 stops54h 35mQatar Airways
Wed 12/179:40 pmSYD - GRK
2 stops37h 16mQatar Airways
Deal found 10/29$3,402

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Australia 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 October 29, 2025.
Use the filters below to find and compare flights from Killeen to Australia that are best for you.

Fly from

Killeen

Fly to

Australia

Route

Depart

Return

Price

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Mon 12/8

4:10 pm-6:55 am

1 stop21h 45m

Sydney Kingsford Smith

Wed 12/17

11:20 am-3:37 pm

2 stops21h 17m

$1,620

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Sun 12/7

10:31 am-9:00 am

2 stops29h 29m

Sydney Kingsford Smith

Tue 12/16

11:20 am-6:24 pm

2 stops24h 04m

$1,819

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Mon 12/8

6:05 am-9:00 am

2 stops33h 55m

Sydney Kingsford Smith

Tue 12/16

11:20 am-6:24 pm

2 stops24h 04m

$1,819

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Sun 12/7

6:53 pm-9:00 am

2 stops21h 07m

Sydney Kingsford Smith

Wed 12/17

11:20 am-6:24 pm

2 stops24h 04m

$1,819

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Sun 12/7

4:10 pm-9:00 am

2 stops23h 50m

Sydney Kingsford Smith

Thu 12/18

11:20 am-3:29 pm

2 stops21h 09m

$1,845

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Tue 12/9

10:47 am-9:00 am

2 stops29h 13m

Sydney Kingsford Smith

Fri 12/19

11:20 am-3:29 pm

2 stops21h 09m

$1,845

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Mon 12/8

10:33 am-9:00 am

2 stops29h 27m

Sydney Kingsford Smith

Fri 12/19

11:20 am-3:29 pm

2 stops21h 09m

$1,845

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Tue 12/9

11:52 am-9:00 am

2 stops28h 08m

Sydney Kingsford Smith

Thu 12/18

11:20 am-3:29 pm

2 stops21h 09m

$1,845

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Sat 12/6

4:10 pm-9:00 am

2 stops23h 50m

Sydney Kingsford Smith

Tue 12/16

11:20 am-10:18 pm

2 stops27h 58m

$1,845

KilleenMelbourne

GRK - MEL

GRKMEL

Killeen Fort Hood Regional

Sat 12/6

4:10 pm-11:25 am

2 stops26h 15m

Melbourne

Mon 12/15

10:15 am-9:05 pm

2 stops51h 50m

$2,409

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 19 results
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Best time to book a flight from Killeen to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

Currently, December is the cheapest month in which you can book a flight from Killeen to Australia (average of $524). Flying from Killeen to Australia in November is currently the most expensive (average of $976). 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 Australia. 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 from for flights from Killeen to Australia?

    Located just 6.9 mi from the city center, Killeen Fort Hood Regional (GRK) is the airport most travelers will use when flying to Australia from Killeen.

  • How long is the flight from Killeen to Australia?

    Airlines like American Airlines fly from Killeen to Australia in about 21h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between Killeen and Australia is about 8484 mi.

  • What are the most popular routes from Killeen to Australia?

    When deciding which route to take from Killeen to Australia consider Killeen Fort Hood Regional - Melbourne, Killeen Fort Hood Regional - Sydney Kingsford Smith or Killeen Fort Hood Regional - Townsville as they are the most popular.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Killeen to Australia (average of $524). Flying from Killeen to Australia in November is currently the most expensive (average of $976). 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

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