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Cheap flights from Knoxville to Australia from $612

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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Find the cheapest flights from Knoxville to Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:00 pm - 6:55 am
TYS
-
SYD
28h 55m2 stops
United Airlines Logo
9:30 am - 1:20 pm
SYD
-
TYS
41h 50m2 stops
$1,168United Airlines
Sun, May 24 - Sun, May 31
United Airlines Logo
4:25 pm - 7:00 am
TYS
-
SYD
46h 35m2 stops
United Airlines Logo
11:20 am - 8:57 pm
SYD
-
TYS
25h 37m2 stops
$1,183United Airlines
Sat, Feb 7 - Mon, Feb 16
United Airlines Logo
11:40 am - 7:00 am
TYS
-
SYD
27h 20m1 stop
United Airlines Logo
11:50 am - 7:55 pm
SYD
-
TYS
24h 05m1 stop
$1,213United Airlines
Fri, Feb 6 - Mon, Feb 16
United Airlines Logo
1:59 pm - 6:20 am
TYS
-
SYD
24h 21m2 stops
United Airlines Logo
12:10 pm - 7:55 pm
SYD
-
TYS
23h 45m2 stops
$1,218United Airlines
Sun, Feb 1 - Sat, Feb 14
United Airlines Logo
6:45 am - 7:00 am
TYS
-
SYD
56h 15m2 stops
United Airlines Logo
11:20 am - 11:44 pm
SYD
-
TYS
27h 24m2 stops
$1,232United Airlines
Sat, Feb 7 - Sat, Mar 28
United Airlines Logo
4:25 pm - 7:00 am
TYS
-
SYD
46h 35m2 stops
United Airlines Logo
11:50 am - 7:55 pm
SYD
-
TYS
24h 05m1 stop
$1,233United Airlines
Sat, Feb 7 - Sat, Mar 7
United Airlines Logo
6:59 am - 7:00 am
TYS
-
SYD
32h 01m1 stop
United Airlines Logo
11:50 am - 7:55 pm
SYD
-
TYS
24h 05m1 stop
$1,263United Airlines
Sat, Feb 7 - Sat, Mar 7
American Airlines Logo
4:09 pm - 7:05 am
TYS
-
SYD
24h 56m2 stops
American Airlines Logo
12:00 pm - 5:35 pm
SYD
-
TYS
19h 35m1 stop
$1,271American Airlines
Sun, May 24 - Sun, May 31
Qantas Airways Logo
12:20 pm - 4:05 pm
TYS
-
DRW
37h 15m2 stops
Qantas Airways Logo
12:50 pm - 9:39 pm
DRW
-
TYS
47h 19m2 stops
$3,386Qantas Airways
Sat, Feb 21 - Tue, Feb 24
Qantas Airways Logo
6:23 pm - 3:15 pm
TYS
-
DRW
30h 22m2 stops
Qantas Airways Logo
12:00 pm - 9:39 pm
DRW
-
TYS
48h 09m2 stops
$3,403Qantas Airways
Sat, Feb 21 - Tue, Feb 24

American Airlines flights from Knoxville to Australia

Our best American Airlines deals on Knoxville to Australia flight tickets
American Airlines
May 24
TYS4:09 pmKnoxville McGhee Tyson
24h 56m
2 stops
SYD7:05 amSydney Kingsford Smith
May 31
SYD12:00 pmSydney Kingsford Smith
19h 35m
1 stop
TYS5:35 pmKnoxville McGhee Tyson
$1,271
Find similar
American Airlines
Feb 1
TYS12:21 pmKnoxville McGhee Tyson
26h 34m
1 stop
SYD6:55 amSydney Kingsford Smith
Feb 14
SYD2:05 pmSydney Kingsford Smith
19h 28m
1 stop
TYS5:33 pmKnoxville McGhee Tyson
$1,297
Find similar
American Airlines
Apr 12
TYS4:33 pmKnoxville McGhee Tyson
23h 52m
2 stops
SYD6:25 amSydney Kingsford Smith
Apr 25
SYD12:00 pmSydney Kingsford Smith
25h 47m
1 stop
TYS11:47 pmKnoxville McGhee Tyson
$1,301
Find similar

Air Canada flights from Knoxville to Australia

Our best Air Canada deals on Knoxville to Australia flight tickets
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
42h 00m
3 stops
TYS1:20 pmKnoxville McGhee Tyson
$2,487
Find similar
Air Canada
May 24
TYS5:50 amKnoxville McGhee Tyson
35h 30m
3 stops
SYD7:20 amSydney Kingsford Smith
May 31
SYD9:20 amSydney Kingsford Smith
28h 39m
3 stops
TYS11:59 pmKnoxville McGhee Tyson
$2,731
Find similar
Air Canada
Feb 7
TYS9:30 amKnoxville McGhee Tyson
32h 05m
3 stops
SYD9:35 amSydney Kingsford Smith
Mar 7
SYD11:20 amSydney Kingsford Smith
38h 29m
3 stops
TYS9:49 amKnoxville McGhee Tyson
$2,965
Find similar

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 December 15, 2025.
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

Sun 5/24

12:00 pm-6:55 am

2 stops28h 55m

Sydney Kingsford Smith

Sun 5/31

9:30 am-1:20 pm

2 stops41h 50m

$1,168

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:25 pm-7:00 am

2 stops46h 35m

Sydney Kingsford Smith

Mon 2/16

11:20 am-8:57 pm

2 stops25h 37m

$1,183

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

11:40 am-7:00 am

1 stop27h 20m

Sydney Kingsford Smith

Mon 2/16

11:50 am-7:55 pm

1 stop24h 05m

$1,213

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 2/1

1:59 pm-6:20 am

2 stops24h 21m

Sydney Kingsford Smith

Sat 2/14

12:10 pm-7:55 pm

2 stops23h 45m

$1,218

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

6:45 am-7:00 am

2 stops56h 15m

Sydney Kingsford Smith

Sat 3/28

11:20 am-11:44 pm

2 stops27h 24m

$1,232

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

4:25 pm-7:00 am

2 stops46h 35m

Sydney Kingsford Smith

Sat 3/7

11:50 am-7:55 pm

1 stop24h 05m

$1,233

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

6:59 am-7:00 am

1 stop32h 01m

Sydney Kingsford Smith

Sat 3/7

11:50 am-7:55 pm

1 stop24h 05m

$1,263

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 5/24

4:09 pm-7:05 am

2 stops24h 56m

Sydney Kingsford Smith

Sun 5/31

12:00 pm-5:35 pm

1 stop19h 35m

$1,271

KnoxvilleDarwin

TYS - DRW

TYSDRW

Knoxville McGhee Tyson

Sat 2/21

12:20 pm-4:05 pm

2 stops37h 15m

Darwin

Tue 2/24

12:50 pm-9:39 pm

2 stops47h 19m

$3,386

KnoxvilleDarwin

TYS - DRW

TYSDRW

Knoxville McGhee Tyson

Sat 2/21

6:23 pm-3:15 pm

2 stops30h 22m

Darwin

Tue 2/24

12:00 pm-9:39 pm

2 stops48h 09m

$3,403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 day to depart on your flight to Australia?

The cheapest day to depart from Knoxville to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $1,353. On the other hand, Friday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,578.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Knoxville at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,356 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,763 on average. Flights to Australia from Knoxville in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Knoxville to Australia flights?

You could potentially save up to 19% 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

21h 10m

Direct flights

None
The fastest flight from Knoxville to Australia takes 21h 10m
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 $825Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free CancellationRating
7.2
11,052 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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