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Cheap flights from Killeen to Sydney from $3,517

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to Sydney departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Killeen to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
1:08 pm - 5:30 pm
GRK
-
SYD
37h 22m
2 stops
Qatar Airways Logo
8:45 pm - 3:24 pm
SYD
-
GRK
57h 39m
2 stops
$3,517Qatar Airways
Wed, May 13 - Sun, May 17
Qatar Airways Logo
7:09 pm - 5:30 pm
GRK
-
SYD
55h 21m
2 stops
Qatar Airways Logo
8:45 pm - 3:24 pm
SYD
-
GRK
57h 39m
2 stops
$9,117Qatar Airways
Mon, May 4 - Sun, May 17
Qatar Airways Logo
7:09 pm - 5:30 pm
GRK
-
SYD
55h 21m
2 stops
Qatar Airways Logo
8:45 pm - 3:24 pm
SYD
-
GRK
57h 39m
2 stops
$9,295Qatar Airways
Fri, May 1 - Sun, May 17

Qatar Airways flights from Killeen to Sydney

Our best Qatar Airways deals on Killeen to Sydney flight tickets
Qatar Airways
May 13
GRK1:08 pmKilleen Fort Hood Regional
37h 22m
2 stops
SYD5:30 pmSydney Kingsford Smith
May 17
SYD8:45 pmSydney Kingsford Smith
57h 39m
2 stops
GRK3:24 pmKilleen Fort Hood Regional
$3,517
Qatar Airways
May 4
GRK7:09 pmKilleen Fort Hood Regional
55h 21m
2 stops
SYD5:30 pmSydney Kingsford Smith
May 17
SYD8:45 pmSydney Kingsford Smith
57h 39m
2 stops
GRK3:24 pmKilleen Fort Hood Regional
$9,117
Qatar Airways
May 1
GRK7:09 pmKilleen Fort Hood Regional
55h 21m
2 stops
SYD5:30 pmSydney Kingsford Smith
May 17
SYD8:45 pmSydney Kingsford Smith
57h 39m
2 stops
GRK3:24 pmKilleen Fort Hood Regional
$9,295

momondo 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, momondo users made 832,500 searches. Data last updated April 7, 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
Quickest round-trip

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Wed 5/13

1:08 pm-5:30 pm

2 stops37h 22m

Sydney Kingsford Smith

Sun 5/17

8:45 pm-3:24 pm

2 stops57h 39m

$3,517

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Mon 5/4

7:09 pm-5:30 pm

2 stops55h 21m

Sydney Kingsford Smith

Sun 5/17

8:45 pm-3:24 pm

2 stops57h 39m

$9,117

KilleenSydney

GRK - SYD

GRKSYD

Killeen Fort Hood Regional

Fri 5/1

7:09 pm-5:30 pm

2 stops55h 21m

Sydney Kingsford Smith

Sun 5/17

8:45 pm-3:24 pm

2 stops57h 39m

$9,295

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sydney from

How to get the cheapest flight ticket from Killeen to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Sydney from Killeen according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When to book flights from Killeen to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Killeen to Sydney (GRK to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Sydney

Fastest flight time

55h 21m

Direct flights

None
The fastest flight from Killeen to Sydney takes 55h 21m
There are no direct flights from Killeen to Sydney. There are no popular flight routes from Killeen to Sydney.
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Frequently asked questions about flying from Killeen to Sydney

  • How far is Killeen Fort Hood Regional to Sydney Kingsford Smith by plane?

    Sydney Kingsford Smith is 8487.4 mi away from Killeen Fort Hood Regional. Flights usually cover this in 55h 21m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Killeen Fort Hood Regional Airport to Sydney Kingsford Smith Airport are updated daily.

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Penrith
Randwick
Coogee
Leura
Lithgow
Manly
Cronulla
Charlestown
Terrigal
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Killeen to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Killeen to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Killeen on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Killeen to Sydney?

Once you have performed a search for Killeen to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Killeen to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Killeen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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