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Cheap flights from Knoxville to Sydney from $526

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Sydney departing on 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Knoxville to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:55 pm - 9:05 amTYS-SYD
24h 10m2 stops
United Airlines Logo
11:20 am - 10:30 pmSYD-TYS
27h 10m2 stops
$1,235United Airlines
Find Deal
Sun, Nov 23 - Wed, Dec 17
United Airlines Logo
4:25 pm - 9:05 amTYS-SYD
24h 40m2 stops
United Airlines Logo
11:50 am - 5:37 pmSYD-TYS
21h 47m1 stop
$1,262United Airlines
Find Deal
Tue, Feb 3 - Tue, Mar 3
United Airlines Logo
4:25 pm - 9:05 amTYS-SYD
24h 40m2 stops
United Airlines Logo
11:50 am - 8:33 pmSYD-TYS
24h 43m2 stops
$1,267United Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
1:59 pm - 7:00 amTYS-SYD
49h 01m2 stops
United Airlines Logo
11:50 am - 5:37 pmSYD-TYS
21h 47m1 stop
$1,281United Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 16
American Airlines Logo
4:27 pm - 9:00 amTYS-SYD
24h 33m2 stops
American Airlines Logo
5:45 pm - 11:59 pmSYD-TYS
22h 14m2 stops
$1,327American Airlines
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Fri, Nov 28 - Fri, Dec 5
American Airlines Logo
6:30 am - 9:00 amTYS-SYD
34h 30m2 stops
American Airlines Logo
5:45 pm - 11:50 pmSYD-TYS
22h 05m2 stops
$1,328American Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Air New Zealand Logo
7:00 am - 8:45 amTYS-SYD
33h 45m2 stops
Air New Zealand Logo
9:55 am - 11:44 pmSYD-TYS
29h 49m2 stops
$1,653Air New Zealand
Find Deal
Wed, Nov 26 - Wed, Dec 3
Delta Logo
2:41 pm - 8:30 amTYS-SYD
25h 49m2 stops
Delta Logo
10:40 am - 8:00 pmSYD-TYS
25h 20m2 stops
$1,659Delta
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Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
11:10 am - 9:35 amTYS-SYD
30h 25m3 stops
Multiple Airlines Logo
11:20 am - 9:07 pmSYD-TYS
25h 47m2 stops
$1,752Multiple Airlines
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Tue, Feb 3 - Tue, Mar 3
Multiple Airlines Logo
11:07 am - 9:35 amTYS-SYD
30h 28m3 stops
Multiple Airlines Logo
11:20 am - 9:07 pmSYD-TYS
25h 47m2 stops
$1,794Multiple Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 16

United Airlines flights from Knoxville to Sydney

Our best United Airlines deals on Knoxville to Sydney flight tickets
United Airlines
Nov 23
TYS4:55 pmKnoxville McGhee Tyson
24h 10m
2 stops
SYD9:05 amSydney Kingsford Smith
Dec 17
SYD11:20 amSydney Kingsford Smith
27h 10m
2 stops
TYS10:30 pmKnoxville McGhee Tyson
$1,235
Find similar
United Airlines
Feb 3
TYS4:25 pmKnoxville McGhee Tyson
24h 40m
2 stops
SYD9:05 amSydney Kingsford Smith
Mar 3
SYD11:50 amSydney Kingsford Smith
21h 47m
1 stop
TYS5:37 pmKnoxville McGhee Tyson
$1,262
Find similar
United Airlines
Nov 11
TYS4:25 pmKnoxville McGhee Tyson
24h 40m
2 stops
SYD9:05 amSydney Kingsford Smith
Nov 18
SYD11:50 amSydney Kingsford Smith
24h 43m
2 stops
TYS8:33 pmKnoxville McGhee Tyson
$1,267
Find similar

Qantas Airways flights from Knoxville to Sydney

Our best Qantas Airways deals on Knoxville to Sydney flight tickets
Qantas Airways
Mar 28
TYS4:30 pmKnoxville McGhee Tyson
23h 25m
1 stop
SYD6:55 amSydney Kingsford Smith
Apr 4
SYD1:10 pmSydney Kingsford Smith
19h 11m
1 stop
TYS5:21 pmKnoxville McGhee Tyson
$2,120
Find similar
Qantas Airways
Mar 28
TYS6:20 pmKnoxville McGhee Tyson
21h 35m
1 stop
SYD6:55 amSydney Kingsford Smith
Apr 4
SYD1:10 pmSydney Kingsford Smith
19h 11m
1 stop
TYS5:21 pmKnoxville McGhee Tyson
$2,121
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Sydney 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, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Knoxville to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 11/23

4:55 pm-9:05 am

2 stops24h 10m

Sydney Kingsford Smith

Wed 12/17

11:20 am-10:30 pm

2 stops27h 10m

$1,235

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 2/3

4:25 pm-9:05 am

2 stops24h 40m

Sydney Kingsford Smith

Tue 3/3

11:50 am-5:37 pm

1 stop21h 47m

$1,262

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 11/11

4:25 pm-9:05 am

2 stops24h 40m

Sydney Kingsford Smith

Tue 11/18

11:50 am-8:33 pm

2 stops24h 43m

$1,267

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

1:59 pm-7:00 am

2 stops49h 01m

Sydney Kingsford Smith

Mon 2/16

11:50 am-5:37 pm

1 stop21h 47m

$1,281

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 11/28

4:27 pm-9:00 am

2 stops24h 33m

Sydney Kingsford Smith

Fri 12/5

5:45 pm-11:59 pm

2 stops22h 14m

$1,327

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 11/27

6:30 am-9:00 am

2 stops34h 30m

Sydney Kingsford Smith

Thu 12/4

5:45 pm-11:50 pm

2 stops22h 05m

$1,328

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 11/26

7:00 am-8:45 am

2 stops33h 45m

Sydney Kingsford Smith

Wed 12/3

9:55 am-11:44 pm

2 stops29h 49m

$1,653

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 11/13

2:41 pm-8:30 am

2 stops25h 49m

Sydney Kingsford Smith

Mon 11/17

10:40 am-8:00 pm

2 stops25h 20m

$1,659

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 2/3

11:10 am-9:35 am

3 stops30h 25m

Sydney Kingsford Smith

Tue 3/3

11:20 am-9:07 pm

2 stops25h 47m

$1,752

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

11:07 am-9:35 am

3 stops30h 28m

Sydney Kingsford Smith

Mon 2/16

11:20 am-9:07 pm

2 stops25h 47m

$1,794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Knoxville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Knoxville to Sydney is on a Saturday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,578.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Knoxville to Sydney at noon for as low as $1,356. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,763. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Knoxville to Sydney flights?

You could potentially save up to 24% on your flight if you consider stops on a Knoxville to Sydney flight.

When to book flights from Knoxville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Sydney (TYS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Sydney

Direct flights

None
There are no direct flights from Knoxville to Sydney. There are no popular flight routes from Knoxville to Sydney.
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  • How far is Knoxville McGhee Tyson to Sydney Kingsford Smith by plane?

    Sydney Kingsford Smith is 9346.0 mi away from Knoxville McGhee Tyson. Typically, this will take 21h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to Sydney?

Best airlines flying from Knoxville to Sydney

Compare and see reviews for airlines that fly from Knoxville to Sydney with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $825Free CancellationRating
7.4
8,976 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Coogee
Manly
Penrith
Leura
Lithgow
Charlestown
Terrigal
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Sydney for you.

Can I find flights from Knoxville to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Knoxville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Knoxville to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Knoxville.

I’m not ready to book a flight from Knoxville to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Knoxville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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