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Cheap flights from Knoxville to Australia from $619

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Australia departing on 2/6. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:16 pm - 6:55 am
TYS
-
SYD
22h 39m
1 stop
American Airlines Logo
2:05 pm - 5:31 pm
SYD
-
TYS
19h 26m
1 stop
$1,251American Airlines
Sat, Feb 7 - Mon, Feb 16
American Airlines Logo
4:16 pm - 6:55 am
TYS
-
SYD
22h 39m
1 stop
American Airlines Logo
2:05 pm - 5:31 pm
SYD
-
TYS
19h 26m
1 stop
$1,253American Airlines
Sat, Feb 7 - Mon, Feb 16
American Airlines Logo
4:44 pm - 9:00 am
TYS
-
SYD
24h 16m
2 stops
American Airlines Logo
11:20 am - 5:31 pm
SYD
-
TYS
22h 11m
2 stops
$1,254American Airlines
Sat, Feb 7 - Mon, Feb 16
American Airlines Logo
12:15 pm - 9:00 am
TYS
-
SYD
28h 45m
2 stops
American Airlines Logo
11:20 am - 9:38 pm
SYD
-
TYS
26h 18m
2 stops
$1,255American Airlines
Sat, Feb 7 - Mon, Feb 16
American Airlines Logo
4:16 pm - 6:55 am
TYS
-
SYD
22h 39m
1 stop
American Airlines Logo
11:20 am - 8:40 pm
SYD
-
TYS
25h 20m
2 stops
$1,256American Airlines
Sat, Feb 7 - Mon, Feb 16
American Airlines Logo
12:21 pm - 6:55 am
TYS
-
SYD
26h 34m
1 stop
American Airlines Logo
1:05 pm - 11:51 pm
SYD
-
TYS
25h 46m
1 stop
$1,301American Airlines
Sat, Mar 7 - Sat, Mar 14
American Airlines Logo
4:16 pm - 6:55 am
TYS
-
SYD
22h 39m
1 stop
American Airlines Logo
2:05 pm - 12:28 am
SYD
-
TYS
26h 23m
1 stop
$1,303American Airlines
Sat, Feb 7 - Sat, Mar 7
American Airlines Logo
4:29 pm - 9:00 am
TYS
-
SYD
25h 31m
2 stops
American Airlines Logo
11:20 am - 9:24 pm
SYD
-
TYS
25h 04m
2 stops
$1,304American Airlines
Thu, Mar 12 - Thu, Mar 19
Qantas Airways Logo
12:21 pm - 11:30 am
TYS
-
DRW
32h 39m
2 stops
Qantas Airways Logo
12:45 am - 12:28 am
DRW
-
TYS
38h 13m
2 stops
$3,135Qantas Airways
Sat, Feb 28 - Tue, Mar 3
Qantas Airways Logo
12:21 pm - 11:30 am
TYS
-
DRW
32h 39m
2 stops
Qantas Airways Logo
12:45 am - 12:28 am
DRW
-
TYS
38h 13m
2 stops
$3,138Qantas Airways
Sat, Feb 28 - Tue, Mar 3

American Airlines flights from Knoxville to Australia

Our best American Airlines deals on Knoxville to Australia flight tickets
American Airlines
Mar 10
TYS4:29 pmKnoxville McGhee Tyson
23h 26m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 24
SYD1:05 pmSydney Kingsford Smith
19h 26m
1 stop
TYS5:31 pmKnoxville McGhee Tyson
$1,203
American Airlines
Mar 10
TYS4:02 pmKnoxville McGhee Tyson
25h 58m
2 stops
SYD9:00 amSydney Kingsford Smith
Mar 24
SYD11:20 amSydney Kingsford Smith
25h 04m
2 stops
TYS9:24 pmKnoxville McGhee Tyson
$1,205
American Airlines
Mar 10
TYS12:21 pmKnoxville McGhee Tyson
27h 34m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 24
SYD11:20 amSydney Kingsford Smith
27h 00m
2 stops
TYS11:20 pmKnoxville McGhee Tyson
$1,206

Air Canada flights from Knoxville to Australia

Our best Air Canada deals on Knoxville to Australia flight tickets
Air Canada
Jun 6
TYS10:00 amKnoxville McGhee Tyson
31h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
Jun 15
SYD9:20 amSydney Kingsford Smith
25h 36m
2 stops
TYS8:56 pmKnoxville McGhee Tyson
$2,184
Air Canada
Feb 7
TYS9:30 amKnoxville McGhee Tyson
32h 05m
3 stops
SYD9:35 amSydney Kingsford Smith
Feb 16
SYD11:20 amSydney Kingsford Smith
41h 55m
3 stops
TYS1:15 pmKnoxville McGhee Tyson
$3,221
Air Canada
Feb 6
TYS9:30 amKnoxville McGhee Tyson
32h 05m
3 stops
SYD9:35 amSydney Kingsford Smith
Feb 16
SYD11:20 amSydney Kingsford Smith
41h 55m
3 stops
TYS1:15 pmKnoxville McGhee Tyson
$3,253

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Knoxville to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:16 pm-6:55 am

1 stop22h 39m

Sydney Kingsford Smith

Mon 2/16

2:05 pm-5:31 pm

1 stop19h 26m

$1,251

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:16 pm-6:55 am

1 stop22h 39m

Sydney Kingsford Smith

Mon 2/16

2:05 pm-5:31 pm

1 stop19h 26m

$1,253

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:44 pm-9:00 am

2 stops24h 16m

Sydney Kingsford Smith

Mon 2/16

11:20 am-5:31 pm

2 stops22h 11m

$1,254

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

12:15 pm-9:00 am

2 stops28h 45m

Sydney Kingsford Smith

Mon 2/16

11:20 am-9:38 pm

2 stops26h 18m

$1,255

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:16 pm-6:55 am

1 stop22h 39m

Sydney Kingsford Smith

Mon 2/16

11:20 am-8:40 pm

2 stops25h 20m

$1,256

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 3/7

12:21 pm-6:55 am

1 stop26h 34m

Sydney Kingsford Smith

Sat 3/14

1:05 pm-11:51 pm

1 stop25h 46m

$1,301

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:16 pm-6:55 am

1 stop22h 39m

Sydney Kingsford Smith

Sat 3/7

2:05 pm-12:28 am

1 stop26h 23m

$1,303

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 3/12

4:29 pm-9:00 am

2 stops25h 31m

Sydney Kingsford Smith

Thu 3/19

11:20 am-9:24 pm

2 stops25h 04m

$1,304

KnoxvilleDarwin

TYS - DRW

TYSDRW

Knoxville McGhee Tyson

Sat 2/28

12:21 pm-11:30 am

2 stops32h 39m

Darwin

Tue 3/3

12:45 am-12:28 am

2 stops38h 13m

$3,135

KnoxvilleDarwin

TYS - DRW

TYSDRW

Knoxville McGhee Tyson

Sat 2/28

12:21 pm-11:30 am

2 stops32h 39m

Darwin

Tue 3/3

12:45 am-12:28 am

2 stops38h 13m

$3,138

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Australia from

How to get the cheapest flight ticket from Knoxville to Australia

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 is the cheapest month to fly to Australia?

The month of July is, on average, the cheapest month to fly to Australia from Knoxville, with most prices found around $712. If you aren’t able to travel during the month of July, then book flights to Australia from Knoxville during September instead. Flights to Australia in September, while not as cheap as those in July, still average around $931.

Can stopping save me money on Knoxville to Australia flights?

You could potentially save up to 27% on your flight if you consider stops on a Knoxville to Australia flight.

Cheap Knoxville to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Australia

Fastest flight time

24h 16m

Direct flights

None
The fastest flight from Knoxville to Australia takes 24h 16m
There are no direct flights from Knoxville to Australia. There are no popular flight routes from Knoxville to Australia.
Search flight deals

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Australia?

    Prices for flights from Knoxville McGhee Tyson Airport to Australia were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Australia?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Australia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Knoxville to Australia

Compare and see reviews for airlines that fly from Knoxville to Australia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $807Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Australia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Knoxville.

Can I find flights from Knoxville to Australia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Australia from Knoxville with this policy.

How can momondo help me find flights from Knoxville to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Australia.

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

Yes. momondo can track prices for Knoxville to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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