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$757+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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 May 6, 2026.

This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 5/34:20 pm
TYS
-
SYD
2 stops24h 35m
United Airlines
Sun 5/109:30 am
SYD
-
TYS
2 stops25h 15m
United Airlines
Deal found 5/2$1,344
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 5/34:09 pm
TYS
-
SYD
2 stops25h 21m
American Airlines
Sun 5/1012:00 pm
SYD
-
TYS
1 stop25h 56m
American Airlines
Deal found 5/2$1,413
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 12/245:30 am
TYS
-
SYD
2 stops35h 00m
Delta
Mon 1/1810:40 am
SYD
-
TYS
2 stops26h 54m
Delta
Deal found 5/4$1,621
This United Airlines deal was found by Cheapflights users on 5/4. 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 12/248:45 am
TYS
-
SYD
2 stops32h 20m
United Airlines
Sun 1/172:00 pm
SYD
-
TYS
2 stops23h 05m
United Airlines
Deal found 5/4$1,689
This Qatar Airways deal was found by Cheapflights users on 5/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:13 am
TYS
-
BNE
2 stops44h 17m
Qatar Airways
Wed 11/43:10 pm
BNE
-
TYS
2 stops47h 35m
Qatar Airways
Deal found 5/1$1,694
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 6/168:48 am
TYS
-
SYD
2 stops32h 07m
United Airlines
Tue 6/2310:20 am
SYD
-
TYS
2 stops25h 59m
United Airlines
Deal found 5/1$1,764
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/183:25 pm
TYS
-
SYD
2 stops25h 30m
United Airlines
Thu 6/2510:20 am
SYD
-
TYS
2 stops49h 59m
United Airlines
Deal found 5/4$1,785
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/203:40 pm
TYS
-
SYD
2 stops25h 15m
American Airlines
Sat 6/279:10 am
SYD
-
TYS
2 stops24h 21m
American Airlines
Deal found 5/6$1,943
This Qatar Airways deal was found by Cheapflights users on 5/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
TYS
-
BNE
2 stops45h 30m
Multiple Airlines
Sun 6/710:10 pm
BNE
-
TYS
2 stops39h 49m
Multiple Airlines
Deal found 5/2$1,962
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am
TYS
-
SYD
2 stops44h 10m
Qatar Airways
Sun 9/68:45 pm
SYD
-
TYS
2 stops41h 14m
Qatar Airways
Deal found 5/5$2,070
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:35 am
TYS
-
SYD
2 stops31h 10m
Air New Zealand
Sun 5/107:05 pm
SYD
-
TYS
2 stops42h 39m
Air New Zealand
Deal found 5/4$2,082
This Qantas Airways deal was found by Cheapflights users on 5/1. 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 10/317:49 pm
TYS
-
BNE
1 stop44h 41m
Qantas Airways
Wed 11/49:15 am
BNE
-
TYS
1 stop21h 22m
Qantas Airways
Deal found 5/1$2,974

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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,694
(Qatar Airways)

One-way from

$757
(American Airlines)

Popular in

April

Cheapest in

July

Average price

$1,446
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
One-way flight from Knoxville McGhee Tyson to Australia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($364 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 6, 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

Tue 6/16

8:48 am-6:55 am

2 stops32h 07m

Sydney Kingsford Smith

Tue 6/23

10:20 am-10:19 pm

2 stops25h 59m

$1,764

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 6/18

3:25 pm-6:55 am

2 stops25h 30m

Sydney Kingsford Smith

Thu 6/25

10:20 am-10:19 pm

2 stops49h 59m

$1,785

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 9/2

7:00 am-5:10 pm

2 stops44h 10m

Sydney Kingsford Smith

Sun 9/6

8:45 pm-11:59 pm

2 stops41h 14m

$2,070

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Mon 6/1

6:00 am-5:30 pm

2 stops45h 30m

Brisbane

Sun 6/7

3:05 pm-9:57 pm

3 stops44h 52m

$2,355
Quickest round-trip

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 9/2

1:46 pm-6:55 am

1 stop27h 09m

Sydney Kingsford Smith

Sun 9/6

12:00 pm-7:23 pm

1 stop21h 23m

$2,958

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 6/16

11:43 am-7:30 am

3 stops29h 47m

Sydney Kingsford Smith

Tue 6/23

6:25 am-9:57 pm

3 stops29h 32m

$3,301

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 6/18

1:13 pm-7:05 am

2 stops27h 52m

Sydney Kingsford Smith

Thu 6/25

12:00 pm-7:31 pm

1 stop21h 31m

$3,409
Cheapest one-way

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/9

5:10 pm-7:05 am

2 stops23h 55m

$757

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/9

10:56 am-6:25 am

3 stops53h 29m

$1,144
Quickest one-way

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/9

6:54 pm-6:55 am

1 stop22h 01m

$2,817

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Sorted by cheapest first

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 $528). Flying from Knoxville to Australia in April is currently the most expensive (average of $2,120). 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 May 6, 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
9,684 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,684 reviews
United Airlines
7.4
Good
9,684 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,666 reviews
United Airlines
7.4
Good
9,684 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 32h 07m. United Airlines provides one of the quickest options available for as low as $1,764. 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 $528). Flying from Knoxville to Australia in April is currently the most expensive (average of $2,120). 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$821Average$1,298FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,296FlexibilityNo cancel feeOn-time71%

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