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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 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Knoxville to Sydney (TYS-SYD)

Cheap round-trip flights

United Airlines Logo
9:05 am - 7:00 amTYS-SYD
29h 55m1 stop
United Airlines Logo
11:50 am - 7:34 pmSYD-TYS
23h 44m1 stop
$979United Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 16
United Airlines Logo
11:07 am - 7:00 amTYS-SYD
27h 53m2 stops
United Airlines Logo
11:50 am - 5:37 pmSYD-TYS
21h 47m1 stop
$984United Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 16
American Airlines Logo
4:37 pm - 6:55 amTYS-SYD
24h 18m1 stop
American Airlines Logo
12:10 pm - 11:51 pmSYD-TYS
25h 41m1 stop
$1,169American Airlines
Find Deal
Wed, Sep 10 - Thu, Sep 18
American Airlines Logo
3:56 pm - 7:05 amTYS-SYD
25h 09m2 stops
American Airlines Logo
12:10 pm - 5:56 pmSYD-TYS
19h 46m1 stop
$1,173American Airlines
Find Deal
Wed, Sep 10 - Thu, Sep 18
United Airlines Logo
4:25 pm - 7:00 amTYS-SYD
22h 35m1 stop
United Airlines Logo
11:50 am - 6:04 pmSYD-TYS
22h 14m1 stop
$1,309United Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Logo
2:22 pm - 6:55 amTYS-SYD
24h 33m2 stops
Logo
8:45 am - 11:40 pmSYD-TYS
30h 55m3 stops
$1,862
Find Deal
Fri, Feb 6 - Mon, Feb 16
Logo
12:29 pm - 8:00 amTYS-SYD
27h 31m2 stops
Logo
8:45 am - 11:40 pmSYD-TYS
30h 55m3 stops
$1,867
Find Deal
Sat, Feb 7 - Mon, Feb 16
Qantas Airways Logo
4:37 pm - 7:55 amTYS-SYD
25h 18m2 stops
Qantas Airways Logo
1:10 pm - 5:32 pmSYD-TYS
19h 22m1 stop
$2,442Qantas Airways
Find Deal
Fri, Oct 3 - Sat, Oct 18
Qantas Airways Logo
4:37 pm - 5:55 amTYS-SYD
23h 18m1 stop
Qantas Airways Logo
1:10 pm - 5:32 pmSYD-TYS
19h 22m1 stop
$2,466Qantas Airways
Find Deal
Fri, Oct 3 - Sat, Oct 18
Air Canada Logo
9:55 am - 8:20 amTYS-SYD
31h 25m3 stops
Air Canada Logo
11:20 am - 11:59 pmSYD-TYS
28h 39m3 stops
$2,817Air Canada
Find Deal
Tue, Oct 21 - Wed, Nov 5

United Airlines flights from Knoxville to Sydney

Our best United Airlines deals on Knoxville to Sydney flight tickets
United Airlines
Feb 6
TYS9:05 amKnoxville McGhee Tyson
29h 55m
1 stop
SYD7:00 amSydney Kingsford Smith
Feb 16
SYD11:50 amSydney Kingsford Smith
23h 44m
1 stop
TYS7:34 pmKnoxville McGhee Tyson
$979
Find similar
United Airlines
Feb 6
TYS11:07 amKnoxville McGhee Tyson
27h 53m
2 stops
SYD7:00 amSydney Kingsford Smith
Feb 16
SYD11:50 amSydney Kingsford Smith
21h 47m
1 stop
TYS5:37 pmKnoxville McGhee Tyson
$984
Find similar
United Airlines
Nov 13
TYS4:25 pmKnoxville McGhee Tyson
22h 35m
1 stop
SYD7:00 amSydney Kingsford Smith
Nov 17
SYD11:50 amSydney Kingsford Smith
22h 14m
1 stop
TYS6:04 pmKnoxville McGhee Tyson
$1,309
Find similar

Qantas Airways flights from Knoxville to Sydney

Our best Qantas Airways deals on Knoxville to Sydney flight tickets
Qantas Airways
Oct 3
TYS4:37 pmKnoxville McGhee Tyson
25h 18m
2 stops
SYD7:55 amSydney Kingsford Smith
Oct 18
SYD1:10 pmSydney Kingsford Smith
19h 22m
1 stop
TYS5:32 pmKnoxville McGhee Tyson
$2,442
Find similar
Qantas Airways
Oct 3
TYS4:37 pmKnoxville McGhee Tyson
23h 18m
1 stop
SYD5:55 amSydney Kingsford Smith
Oct 18
SYD1:10 pmSydney Kingsford Smith
19h 22m
1 stop
TYS5:32 pmKnoxville McGhee Tyson
$2,466
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 August 25, 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

Fri 2/6

9:05 am-7:00 am

1 stop29h 55m

Sydney Kingsford Smith

Mon 2/16

11:50 am-7:34 pm

1 stop23h 44m

$979

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

11:07 am-7:00 am

2 stops27h 53m

Sydney Kingsford Smith

Mon 2/16

11:50 am-5:37 pm

1 stop21h 47m

$984

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 9/10

4:37 pm-6:55 am

1 stop24h 18m

Sydney Kingsford Smith

Thu 9/18

12:10 pm-11:51 pm

1 stop25h 41m

$1,169

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 9/10

3:56 pm-7:05 am

2 stops25h 09m

Sydney Kingsford Smith

Thu 9/18

12:10 pm-5:56 pm

1 stop19h 46m

$1,173

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 11/13

4:25 pm-7:00 am

1 stop22h 35m

Sydney Kingsford Smith

Mon 11/17

11:50 am-6:04 pm

1 stop22h 14m

$1,309

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 2/6

2:22 pm-6:55 am

2 stops24h 33m

Sydney Kingsford Smith

Mon 2/16

8:45 am-11:40 pm

3 stops30h 55m

$1,862

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 2/7

12:29 pm-8:00 am

2 stops27h 31m

Sydney Kingsford Smith

Mon 2/16

8:45 am-11:40 pm

3 stops30h 55m

$1,867

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 10/3

4:37 pm-7:55 am

2 stops25h 18m

Sydney Kingsford Smith

Sat 10/18

1:10 pm-5:32 pm

1 stop19h 22m

$2,442

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 10/3

4:37 pm-5:55 am

1 stop23h 18m

Sydney Kingsford Smith

Sat 10/18

1:10 pm-5:32 pm

1 stop19h 22m

$2,466

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 10/21

9:55 am-8:20 am

3 stops31h 25m

Sydney Kingsford Smith

Wed 11/5

11:20 am-11:59 pm

3 stops28h 39m

$2,817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 typical price of a round-trip flight between Knoxville and Sydney?

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.
Search flight deals

  • 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 12m 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
8,940 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free CancellationRating
7.2
10,000 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
Coogee
Cronulla
Lithgow
Penrith
Manly
Leura
Charlestown
Swansea
Terrigal

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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