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$619+ Cheap flights from Knoxville (TYS) to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 3/104:29 pm
TYS
-
SYD
1 stop23h 26m
American Airlines
Tue 3/241:05 pm
SYD
-
TYS
1 stop19h 26m
American Airlines
Deal found 1/28$1,203
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/74:16 pm
TYS
-
SYD
1 stop22h 39m
American Airlines
Mon 2/162:05 pm
SYD
-
TYS
1 stop19h 26m
American Airlines
Deal found 1/27$1,253
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 2/612:19 pm
TYS
-
SYD
2 stops28h 41m
American Airlines
Mon 2/1611:20 am
SYD
-
TYS
2 stops25h 20m
American Airlines
Deal found 1/27$1,255
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/74:16 pm
TYS
-
SYD
1 stop22h 39m
American Airlines
Sat 3/72:05 pm
SYD
-
TYS
1 stop26h 23m
American Airlines
Deal found 1/27$1,303
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 3/286:21 pm
TYS
-
SYD
1 stop21h 34m
American Airlines
Sat 4/411:05 am
SYD
-
TYS
2 stops27h 46m
American Airlines
Deal found 1/26$1,316
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 9/94:40 pm
TYS
-
SYD
1 stop24h 15m
American Airlines
Wed 9/3012:00 pm
SYD
-
TYS
1 stop23h 45m
American Airlines
Deal found 1/26$1,329
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 10/162:00 pm
TYS
-
BNE
2 stops26h 30m
United Airlines
Fri 10/2310:30 am
BNE
-
TYS
2 stops25h 50m
United Airlines
Deal found 1/28$1,397
This Qantas Airways deal was found by Cheapflights users on 1/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:14 pm
TYS
-
BNE
2 stops23h 46m
Multiple Airlines
Fri 10/234:35 pm
BNE
-
TYS
3 stops32h 52m
Multiple Airlines
Deal found 1/27$1,927
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 1/2911:07 am
TYS
-
BNE
2 stops29h 23m
United Airlines
Sun 2/111:40 am
BNE
-
TYS
2 stops27h 04m
United Airlines
Deal found 1/28$2,124
This Qantas Airways deal was found by Cheapflights users on 1/26. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2912:19 pm
TYS
-
BNE
2 stops28h 56m
Qantas Airways
Sun 2/19:40 am
BNE
-
TYS
1 stop21h 06m
Qantas Airways
Deal found 1/26$2,921
This Qantas Airways deal was found by Cheapflights users on 1/26. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:21 pm
TYS
-
DRW
2 stops32h 39m
Qantas Airways
Tue 3/312:45 am
DRW
-
TYS
2 stops38h 13m
Qantas Airways
Deal found 1/26$3,135

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,203
(American Airlines)

One-way from

$619
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$1,410
Provider with most accurate pricing for Knoxville McGhee Tyson-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Sydney Kingsford Smith flights.
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From Knoxville McGhee Tyson to Australia
Search Deals
One-way flight from Knoxville McGhee Tyson to Australia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from Knoxville to Australia that are best for you.

Fly from

Knoxville

Fly to

Australia

Route

Depart

Return

Price

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 3/10

4:29 pm-6:55 am

1 stop23h 26m

Sydney Kingsford Smith

Tue 3/24

1:05 pm-5:31 pm

1 stop19h 26m

$1,203

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 3/28

6:21 pm-6:55 am

1 stop21h 34m

Sydney Kingsford Smith

Sat 4/4

11:05 am-11:51 pm

2 stops27h 46m

$1,316

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 6/6

11:43 am-6:55 am

1 stop29h 12m

Sydney Kingsford Smith

Mon 6/15

12:00 pm-9:54 pm

1 stop23h 54m

$1,331

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 3/15

4:02 pm-9:00 am

2 stops25h 58m

Sydney Kingsford Smith

Sun 3/22

11:20 am-11:51 pm

2 stops27h 31m

$1,355

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 3/15

11:40 am-7:00 am

1 stop28h 20m

Sydney Kingsford Smith

Sun 3/22

11:50 am-1:46 pm

1 stop40h 56m

$1,390

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

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

4:00 pm-9:00 am

2 stops25h 00m

$619

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

9:05 am-7:00 am

1 stop29h 55m

$711

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

4:00 pm-12:30 pm

3 stops28h 30m

$1,786

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 December is currently the most expensive (average of $1,504). 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 January 29, 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
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

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
7.2
Good
11,205 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

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 23h 26m. American Airlines provides one of the quickest options available for as low as $1,203. 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 - Brisbane or Knoxville McGhee Tyson - Darwin, 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 December is currently the most expensive (average of $1,504). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$807Average$1,167FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,297FlexibilityNo cancel feeOn-time71%

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