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$588+ 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
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find 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 November 2, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 11/224:50 pmTYS - SYD
2 stops46h 10mUnited Airlines
Tue 12/211:20 amSYD - TYS
2 stops27h 10mUnited Airlines
Deal found 11/2$1,285
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 11/137:00 amTYS - SYD
1 stop32h 00mUnited Airlines
Mon 11/1711:50 amSYD - TYS
1 stop24h 19mUnited Airlines
Deal found 11/1$1,314
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/112:35 pmTYS - SYD
1 stop27h 20mAmerican Airlines
Sat 11/82:05 pmSYD - TYS
1 stop19h 23mAmerican Airlines
Deal found 10/31$1,325
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:27 pmTYS - SYD
1 stop22h 28mAmerican Airlines
Sat 12/611:20 amSYD - TYS
2 stops24h 23mAmerican Airlines
Deal found 11/1$1,328
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 11/298:26 amTYS - SYD
2 stops30h 34mUnited Airlines
Sat 12/611:50 amSYD - TYS
2 stops25h 14mUnited Airlines
Deal found 11/1$1,543
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:08 pmTYS - SYD
1 stop26h 47mAmerican Airlines
Mon 11/172:05 pmSYD - TYS
1 stop19h 23mAmerican Airlines
Deal found 11/1$1,802
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/167:00 amTYS - SYD
2 stops34h 05mUnited Airlines
Tue 12/2311:20 amSYD - TYS
2 stops27h 09mUnited Airlines
Deal found 10/31$1,969
This Japan Airlines deal was found by Cheapflights users on 11/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:54 amTYS - SYD
2 stops30h 56mMultiple Airlines
Fri 11/79:15 amSYD - TYS
2 stops52h 09mMultiple Airlines
Deal found 11/1$2,128
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:45 amTYS - SYD
2 stops29h 00mMultiple Airlines
Sun 11/1610:45 amSYD - TYS
3 stops47h 51mMultiple Airlines
Deal found 11/1$2,239
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 12/157:05 amTYS - BNE
2 stops33h 25mUnited Airlines
Mon 12/2211:40 amBNE - TYS
2 stops25h 49mUnited Airlines
Deal found 10/31$2,240
This Qantas Airways deal was found by Cheapflights users on 11/2. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:18 pmTYS - SYD
2 stops24h 37mMultiple Airlines
Tue 12/25:45 pmSYD - TYS
3 stops33h 50mMultiple Airlines
Deal found 11/2$2,590
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:18 pmTYS - DRW
2 stops27h 12mAmerican Airlines
Sun 11/161:10 amDRW - TYS
2 stops30h 48mAmerican Airlines
Deal found 11/1$2,806

Cheap flight deals from Knoxville to Australia

Keep the following information in mind while searching for Knoxville to Australia flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,240
(American Airlines)

One-way from

$588
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$1,289
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. 15% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 2, 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

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 2/3

2:17 pm-9:00 am

2 stops26h 43m

Sydney Kingsford Smith

Tue 3/3

11:20 am-9:09 pm

2 stops25h 49m

$1,240

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 2/3

1:59 pm-7:00 am

2 stops25h 01m

Sydney Kingsford Smith

Tue 3/3

11:50 am-7:55 pm

1 stop24h 05m

$1,264

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-6:10 pm

1 stop22h 20m

$1,285

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 11/22

4:50 pm-7:00 am

2 stops46h 10m

Sydney Kingsford Smith

Tue 12/2

11:50 am-7:54 pm

1 stop24h 04m

$1,285

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Thu 3/12

7:00 am-6:30 am

2 stops33h 30m

Brisbane

Mon 3/16

10:40 am-10:27 pm

2 stops25h 47m

$1,314

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Thu 3/19

11:42 am-6:30 am

2 stops28h 48m

Brisbane

Mon 3/23

10:40 am-8:54 pm

2 stops24h 14m

$1,314

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 11/13

4:25 pm-7:00 am

1 stop22h 35m

Sydney Kingsford Smith

Sun 11/16

11:50 am-6:04 pm

1 stop22h 14m

$1,314

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Thu 3/12

11:10 am-5:00 am

2 stops27h 50m

Brisbane

Mon 3/16

8:40 am-3:19 pm

1 stop20h 39m

$2,137

KnoxvilleBrisbane

TYS - BNE

TYSBNE

Knoxville McGhee Tyson

Thu 3/19

3:00 pm-5:00 am

2 stops24h 00m

Brisbane

Mon 3/23

8:40 am-2:05 pm

1 stop19h 25m

$2,137

KnoxvilleDarwin

TYS - DRW

TYSDRW

Knoxville McGhee Tyson

Thu 11/13

6:18 pm-12:00 pm

2 stops27h 12m

Darwin

Sun 11/16

1:10 am-5:28 pm

2 stops30h 48m

$2,806

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 26 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 November 2, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 37% 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 November 2, 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
8,994 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,994 reviews
United Airlines
7.4
Good
8,994 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,033 reviews
United Airlines
7.4
Good
8,994 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 25h 01m. American Airlines provides one of the quickest options available for as low as $1,264. Knoxville and Australia are separated by a distance of 9343 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Knoxville to Australia one-way?

    $588 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $711 and $724, respectively.

  • 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 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$825Average$1,239FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,109FlexibilityNo cancel feeOn-time71%

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