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$531+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 12/185:15 pmTYS - SYD
1 stop21h 45mUnited Airlines
Fri 1/211:50 amSYD - TYS
2 stops38h 27mUnited Airlines
Deal found 12/15$3,599
This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:50 amTYS - SYD
3 stops31h 45mAir Canada
Fri 1/211:20 amSYD - TYS
3 stops28h 39mAir Canada
Deal found 12/15$4,294
This Air New Zealand deal was found by Cheapflights users on 12/15. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:15 pmTYS - SYD
2 stops23h 30mMultiple Airlines
Fri 1/211:45 amSYD - TYS
3 stops27h 57mMultiple Airlines
Deal found 12/15$5,060
This Arangrant deal was found by Cheapflights users on 12/14. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:59 amTYS - SYD
2 stops30h 51mJapan Airlines
Sat 12/209:15 amSYD - TYS
2 stops45h 18mJapan Airlines
Deal found 12/14$23,424

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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,164
(United Airlines)

One-way from

$531
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$1,867
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
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One-way flight from Knoxville McGhee Tyson to Australia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 16, 2025.
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

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Wed 4/1

7:00 am-6:30 am

2 stops33h 30m

Brisbane

Wed 4/15

10:30 am-10:27 pm

2 stops25h 57m

$1,164

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

11:50 am-7:55 pm

1 stop24h 05m

$1,183

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

4:25 pm-7:00 am

2 stops70h 35m

Sydney Kingsford Smith

Mon 2/16

11:50 am-8:57 pm

2 stops25h 07m

$1,183

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 2/1

4:55 pm-7:00 am

1 stop22h 05m

Sydney Kingsford Smith

Sat 2/14

11:50 am-6:10 pm

1 stop22h 20m

$1,213

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Wed 4/1

12:24 pm-5:00 am

3 stops26h 36m

Brisbane

Wed 4/15

7:55 am-5:26 pm

2 stops23h 31m

$2,047

KnoxvilleDarwin

TYS - DRW

TYSDRW

Knoxville McGhee Tyson

Sat 2/21

12:20 pm-4:05 pm

2 stops37h 15m

Darwin

Tue 2/24

12:00 pm-9:39 pm

2 stops48h 09m

$3,386

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Sun 3/15

12:24 pm-5:00 am

2 stops26h 36m

$531

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

4:41 pm-6:55 am

1 stop22h 14m

$612

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

2:19 pm-9:00 am

2 stops26h 41m

$623

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

5:59 pm-7:25 am

3 stops45h 26m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 13 results
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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 October is currently the most expensive (average of $1,269). 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.

What is the cheapest time of day to fly from TYS to AU?

Find hourly flight availability from Knoxville to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 40% on flights from Knoxville to Australia by exploring options for tickets in the evening.

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 December 16, 2025.
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
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 33h 30m. United Airlines provides one of the quickest options available for as low as $1,164. Knoxville and Australia are separated by a distance of 9067 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 October is currently the most expensive (average of $1,269). 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

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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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$825Average$1,255FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,254FlexibilityNo cancel feeOn-time71%

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