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$1,307+ Cheap flights from Knoxville (TYS) 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
Apr 23 — Apr 301
Do 4/23
Do 4/30
1 adult, Economy
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Cheap flight deals from Knoxville to Australia

Cheapest flights from Knoxville to Australia
Explore the most affordable flight options available from Knoxville to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on März 24, 2026.

This American Airlines deal was found by Cheapflights users on 3/20. 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.
Mo 5/46:54 pm
TYS
-
SYD
1 stop22h 01m
American Airlines
Mo 5/1112:00 pm
SYD
-
TYS
1 stop25h 56m
American Airlines
Deal found 3/20$1,307
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Di 4/145:06 pm
TYS
-
SYD
2 stops23h 59m
American Airlines
Di 5/512:00 pm
SYD
-
TYS
1 stop20h 04m
American Airlines
Deal found 3/21$1,311
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Di 4/284:09 pm
TYS
-
SYD
1 stop24h 46m
American Airlines
Do 5/1412:00 pm
SYD
-
TYS
1 stop20h 04m
American Airlines
Deal found 3/21$1,357
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Sa 5/21:20 pm
TYS
-
BNE
2 stops25h 40m
American Airlines
Sa 5/98:35 pm
BNE
-
TYS
2 stops29h 55m
American Airlines
Deal found 3/18$1,397
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Do 4/236:54 pm
TYS
-
BNE
2 stops26h 01m
American Airlines
Do 4/308:35 pm
BNE
-
TYS
2 stops29h 55m
American Airlines
Deal found 3/21$1,430
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 5/314:56 pm
TYS
-
SYD
2 stops24h 04m
United Airlines
Fr 7/310:20 am
SYD
-
TYS
2 stops37h 13m
United Airlines
Deal found 3/20$1,443
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 10/65:20 pm
TYS
-
SYD
2 stops23h 40m
United Airlines
Di 11/311:50 am
SYD
-
TYS
1 stop23h 44m
United Airlines
Deal found 3/23$1,508
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 9/61:48 pm
TYS
-
SYD
2 stops27h 07m
United Airlines
Di 9/159:30 am
SYD
-
TYS
2 stops25h 18m
United Airlines
Deal found 3/18$1,512
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 9/64:00 pm
TYS
-
SYD
2 stops24h 50m
Delta
Mi 9/169:15 am
SYD
-
TYS
2 stops22h 02m
Delta
Deal found 3/18$1,513
This American Airlines deal was found by Cheapflights users on 3/19. 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.
Sa 7/45:33 pm
TYS
-
SYD
1 stop23h 22m
American Airlines
Sa 7/1112:00 pm
SYD
-
TYS
1 stop25h 52m
American Airlines
Deal found 3/19$1,523
This Etihad Airways deal was found by Cheapflights users on 3/21. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 3/259:25 am
TYS
-
SYD
2 stops42h 20m
Multiple Airlines
So 4/123:40 pm
SYD
-
TYS
2 stops42h 38m
Multiple Airlines
Deal found 3/21$1,707
This BusinessClass deal was found by Cheapflights users on 3/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/2311:40 am
TYS
-
BNE
3 stops40h 10m
Qantas Airways
Do 4/307:40 am
BNE
-
TYS
2 stops30h 16m
Qantas Airways
Deal found 3/21$1,709

Find flight deals from Knoxville to Australia

Keep the following information in mind while searching for Knoxville to Australia flight deals. Data was last updated März 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,307
(American Airlines)

Popular in

April

Cheapest in

July

Average price

$1,686
Provider with most accurate pricing for Knoxville McGhee Tyson-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Sydney Kingsford Smith flights.
Search Deals
From Knoxville McGhee Tyson to Australia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($428 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($86 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated März 24, 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

Cheapest round-trip

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

So 5/3

1:20 pm-7:05 am

2 stops27h 45m

Sydney Kingsford Smith

So 5/10

12:00 pm-11:56 pm

1 stop25h 56m

$1,311

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Di 5/5

1:20 pm-6:55 am

1 stop27h 35m

Sydney Kingsford Smith

Sa 5/30

12:00 pm-9:57 pm

1 stop23h 57m

$1,357

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Di 4/28

4:09 pm-6:55 am

1 stop24h 46m

Sydney Kingsford Smith

Do 5/14

12:00 pm-6:04 pm

1 stop20h 04m

$1,357

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Mi 5/6

4:09 pm-6:55 am

1 stop24h 46m

Sydney Kingsford Smith

Do 9/3

9:10 am-9:54 pm

2 stops26h 44m

$1,361

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Sa 5/2

1:20 pm-5:00 am

2 stops25h 40m

Brisbane

Sa 5/9

8:35 pm-12:30 pm

2 stops29h 55m

$1,397

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Do 4/23

6:54 pm-10:55 am

2 stops26h 01m

Brisbane

Do 4/30

8:35 pm-12:30 pm

2 stops29h 55m

$1,430

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

So 5/31

4:56 pm-7:00 am

2 stops24h 04m

Sydney Kingsford Smith

Fr 7/3

10:20 am-9:33 am

2 stops37h 13m

$1,443

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

So 9/6

4:00 pm-6:50 am

2 stops24h 50m

Sydney Kingsford Smith

Mi 9/16

9:15 am-5:17 pm

2 stops22h 02m

$1,513

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

So 9/6

4:00 pm-6:50 am

2 stops24h 50m

Sydney Kingsford Smith

Mo 9/14

9:15 am-6:17 pm

2 stops23h 02m

$1,513

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Do 4/23

11:40 am-5:50 pm

3 stops40h 10m

Brisbane

Do 4/30

7:40 am-11:56 pm

2 stops30h 16m

$1,709

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Knoxville to Australia

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

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

Currently, July is the cheapest month in which you can book a flight from Knoxville to Australia (average of $546). Flying from Knoxville to Australia in April is currently the most expensive (average of $2,144). 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.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated März 24, 2026.
Read through reviews of airlines operating flights from Knoxville to Australia, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,469 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,469 reviews
United Airlines
7.4
Good
9,469 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,492 reviews
United Airlines
7.4
Good
9,469 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Knoxville 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 Knoxville to Australia?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Australia from Knoxville.

  • How long is the flight from Knoxville to Australia?

    A quick flight from Knoxville to Australia can take about 27h 45m. American Airlines provides one of the quickest options available for as low as $1,311. Knoxville and Australia are separated by a distance of 9343 mi. This flight may include one or multiple stops.

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

    While some choose either Knoxville McGhee Tyson - Darwin or Knoxville McGhee Tyson - Brisbane, Knoxville McGhee Tyson - Sydney Kingsford Smith is the most popular route from Knoxville to Australia.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Knoxville to Australia (average of $546). Flying from Knoxville to Australia in April is currently the most expensive (average of $2,144). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Knoxville to Australia

Discover the top 2 airlines that operate flights from Knoxville to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated März 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$821Average$1,298FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,275FlexibilityNo cancel feeOn-time71%

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