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Cheap flights from Knoxville to Australia from $474

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 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

United Airlines Logo
5:39 pm - 6:20 amTYS-SYD
44h 41m2 stops
United Airlines Logo
11:50 am - 10:58 pmSYD-TYS
27h 08m2 stops
$829United Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 16
United Airlines Logo
4:55 pm - 7:00 amTYS-SYD
46h 05m2 stops
United Airlines Logo
11:50 am - 8:09 pmSYD-TYS
24h 19m1 stop
$842United Airlines
Find Deal
Sun, Nov 9 - Wed, Nov 19
American Airlines Logo
3:13 pm - 5:25 amTYS-BNE
24h 12m2 stops
American Airlines Logo
8:05 pm - 12:23 pmBNE-TYS
30h 18m2 stops
$1,049American Airlines
Find Deal
Fri, Sep 5 - Sat, Sep 13
American Airlines Logo
6:24 pm - 6:55 amTYS-SYD
22h 31m1 stop
American Airlines Logo
9:10 am - 10:16 pmSYD-TYS
27h 06m2 stops
$1,149American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
8:00 am - 12:15 pmTYS-SYD
38h 15m3 stops
Logo
10:20 am - 9:04 pmSYD-TYS
25h 44m2 stops
$1,765
Find Deal
Sat, Sep 27 - Sat, Oct 11
Logo
12:08 pm - 8:00 amTYS-SYD
27h 52m2 stops
Logo
8:45 am - 12:16 amSYD-TYS
31h 31m3 stops
$1,818
Find Deal
Sun, Nov 9 - Wed, Nov 19
Qantas Airways Logo
12:08 pm - 6:55 amTYS-SYD
26h 47m1 stop
Qantas Airways Logo
2:20 pm - 5:28 pmSYD-TYS
19h 08m1 stop
$1,865Qantas Airways
Find Deal
Sun, Nov 9 - Thu, Nov 20
Qantas Airways Logo
4:25 pm - 6:55 amTYS-SYD
22h 30m1 stop
Qantas Airways Logo
2:20 pm - 5:25 pmSYD-TYS
19h 05m1 stop
$2,385Qantas Airways
Find Deal
Thu, Jan 1 - Thu, Jan 8
Qatar Airways Logo
7:03 am - 6:50 amTYS-SYD
55h 47m2 stops
Qatar Airways Logo
3:50 pm - 10:10 pmSYD-TYS
45h 20m2 stops
$2,510Qatar Airways
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Sat, Feb 7 - Mon, Mar 9
Qatar Airways Logo
7:03 am - 6:50 amTYS-SYD
55h 47m2 stops
Qatar Airways Logo
3:50 pm - 10:10 pmSYD-TYS
45h 20m2 stops
$2,550Qatar Airways
Find Deal
Sat, Feb 7 - Sun, Mar 15

United Airlines flights from Knoxville to Australia

Our best United Airlines deals on Knoxville to Australia flight tickets
United Airlines
Feb 7
TYS5:39 pmKnoxville McGhee Tyson
44h 41m
2 stops
SYD6:20 amSydney Kingsford Smith
Feb 16
SYD11:50 amSydney Kingsford Smith
27h 29m
1 stop
TYS11:19 pmKnoxville McGhee Tyson
$829
Find similar
United Airlines
Nov 9
TYS4:55 pmKnoxville McGhee Tyson
46h 05m
2 stops
SYD7:00 amSydney Kingsford Smith
Nov 19
SYD11:50 amSydney Kingsford Smith
24h 19m
1 stop
TYS8:09 pmKnoxville McGhee Tyson
$842
Find similar
United Airlines
Feb 7
TYS5:20 pmKnoxville McGhee Tyson
21h 40m
1 stop
SYD7:00 amSydney Kingsford Smith
Mar 10
SYD11:50 amSydney Kingsford Smith
26h 29m
1 stop
TYS11:19 pmKnoxville McGhee Tyson
$852
Find similar

Qantas Airways flights from Knoxville to Australia

Our best Qantas Airways deals on Knoxville to Australia flight tickets
Qantas Airways
Nov 9
TYS12:08 pmKnoxville McGhee Tyson
26h 47m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 20
SYD2:20 pmSydney Kingsford Smith
19h 08m
1 stop
TYS5:28 pmKnoxville McGhee Tyson
$1,865
Find similar
Qantas Airways
Jan 1
TYS4:25 pmKnoxville McGhee Tyson
22h 30m
1 stop
SYD6:55 amSydney Kingsford Smith
Jan 8
SYD2:20 pmSydney Kingsford Smith
19h 05m
1 stop
TYS5:25 pmKnoxville McGhee Tyson
$2,385
Find similar
Qantas Airways
Sep 27
TYS6:24 pmKnoxville McGhee Tyson
22h 31m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 11
SYD1:10 pmSydney Kingsford Smith
19h 22m
1 stop
TYS5:32 pmKnoxville McGhee Tyson
$2,395
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 August 11, 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

Sat 2/7

5:39 pm-6:20 am

2 stops44h 41m

Sydney Kingsford Smith

Mon 2/16

11:50 am-10:58 pm

2 stops27h 08m

$829

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 11/9

4:55 pm-7:00 am

2 stops46h 05m

Sydney Kingsford Smith

Wed 11/19

11:50 am-8:09 pm

1 stop24h 19m

$842

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Fri 9/5

3:13 pm-5:25 am

2 stops24h 12m

Brisbane

Sat 9/13

8:05 pm-12:23 pm

2 stops30h 18m

$1,049

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 9/24

6:24 pm-6:55 am

1 stop22h 31m

Sydney Kingsford Smith

Wed 10/1

9:10 am-10:16 pm

2 stops27h 06m

$1,149

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 9/27

8:00 am-12:15 pm

3 stops38h 15m

Sydney Kingsford Smith

Sat 10/11

10:20 am-9:04 pm

2 stops25h 44m

$1,765

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 11/9

12:08 pm-8:00 am

2 stops27h 52m

Sydney Kingsford Smith

Wed 11/19

8:45 am-12:16 am

3 stops31h 31m

$1,818

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 11/9

12:08 pm-6:55 am

1 stop26h 47m

Sydney Kingsford Smith

Thu 11/20

2:20 pm-5:28 pm

1 stop19h 08m

$1,865

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 1/1

4:25 pm-6:55 am

1 stop22h 30m

Sydney Kingsford Smith

Thu 1/8

2:20 pm-5:25 pm

1 stop19h 05m

$2,385

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

7:03 am-6:50 am

2 stops55h 47m

Sydney Kingsford Smith

Mon 3/9

3:50 pm-10:10 pm

2 stops45h 20m

$2,510

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

7:03 am-6:50 am

2 stops55h 47m

Sydney Kingsford Smith

Sun 3/15

3:50 pm-10:10 pm

2 stops45h 20m

$2,550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 3% 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

Best Price Found

$474

Fastest flight time

21h 40m

Direct flights

None

Airports in Australia

2 airports
The best one-way flight to Australia from Knoxville in the past 72 hours is $474. The best round-trip flight deal from Knoxville to Australia found on momondo in the last 72 hours is $829.
The fastest flight from Knoxville to Australia takes 21h 40m
There are no direct flights from Knoxville to Australia. Popular non-direct routes for this connection are Knoxville McGhee Tyson Airport - Sydney Kingsford Smith Airport and Knoxville McGhee Tyson Airport - Brisbane Airport.
There are 2 airports near Australia: Brisbane (BNE), Sydney Kingsford Smith (SYD)
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  • 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
8,920 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free CancellationRating
7.2
10,000 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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