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Cheap flights from Knoxville to Sydney from $758

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 6/2. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:53 pm - 6:55 am
TYS
-
SYD
27h 02m
1 stop
American Airlines Logo
12:00 pm - 7:31 pm
SYD
-
TYS
21h 31m
1 stop
$1,405American Airlines
Sun, Jun 7 - Sun, Jun 14
American Airlines Logo
3:40 pm - 7:30 am
TYS
-
SYD
25h 50m
2 stops
American Airlines Logo
12:00 pm - 11:56 pm
SYD
-
TYS
25h 56m
1 stop
$1,409American Airlines
Sun, Jun 7 - Sun, Jun 14
American Airlines Logo
5:33 pm - 7:05 am
TYS
-
SYD
23h 32m
2 stops
American Airlines Logo
12:00 pm - 9:57 pm
SYD
-
TYS
23h 57m
1 stop
$1,459American Airlines
Sat, May 23 - Mon, Jun 1
American Airlines Logo
1:40 pm - 6:55 am
TYS
-
SYD
27h 15m
1 stop
American Airlines Logo
12:00 pm - 7:20 pm
SYD
-
TYS
21h 20m
1 stop
$1,505American Airlines
Thu, Aug 6 - Thu, Aug 13
American Airlines Logo
1:20 pm - 7:05 am
TYS
-
SYD
27h 45m
2 stops
American Airlines Logo
12:00 pm - 9:58 pm
SYD
-
TYS
23h 58m
2 stops
$1,508American Airlines
Sat, May 16 - Sat, May 23
American Airlines Logo
2:54 pm - 7:30 am
TYS
-
SYD
26h 36m
2 stops
American Airlines Logo
9:10 am - 7:20 pm
SYD
-
TYS
24h 10m
2 stops
$1,509American Airlines
Thu, Aug 6 - Thu, Aug 13
ANA Logo
6:30 am - 9:25 am
TYS
-
SYD
36h 55m
2 stops
ANA Logo
12:45 pm - 2:42 pm
SYD
-
TYS
40h 57m
2 stops
$1,538ANA
Mon, Sep 21 - Sun, Oct 11
American Airlines Logo
8:11 pm - 6:55 am
TYS
-
SYD
20h 44m
1 stop
American Airlines Logo
12:00 pm - 7:31 pm
SYD
-
TYS
21h 31m
1 stop
$1,605American Airlines
Sat, May 23 - Mon, Jun 1
American Airlines Logo
3:40 pm - 7:30 am
TYS
-
SYD
25h 50m
2 stops
American Airlines Logo
9:10 am - 7:31 pm
SYD
-
TYS
24h 21m
2 stops
$1,608American Airlines
Fri, Jun 12 - Mon, Jun 22
United Airlines Logo
4:56 pm - 6:55 am
TYS
-
SYD
23h 59m
2 stops
United Airlines Logo
9:30 am - 6:05 pm
SYD
-
TYS
22h 35m
2 stops
$1,611United Airlines
Sun, Sep 13 - Wed, Sep 23

Air Canada flights from Knoxville to Sydney

Our best Air Canada deals on Knoxville to Sydney flight tickets
Air Canada
Sep 21
TYS5:45 amKnoxville McGhee Tyson
35h 35m
2 stops
SYD7:20 amSydney Kingsford Smith
Oct 11
SYD10:20 amSydney Kingsford Smith
38h 40m
3 stops
TYS10:00 amKnoxville McGhee Tyson
$2,233
Air Canada
May 16
TYS9:50 amKnoxville McGhee Tyson
31h 30m
3 stops
SYD7:20 amSydney Kingsford Smith
May 23
SYD9:20 amSydney Kingsford Smith
28h 34m
3 stops
TYS11:54 pmKnoxville McGhee Tyson
$2,312
Air Canada
Apr 24
TYS7:20 pmKnoxville McGhee Tyson
46h 00m
3 stops
SYD7:20 amSydney Kingsford Smith
Jul 31
SYD9:20 amSydney Kingsford Smith
49h 19m
3 stops
TYS8:39 pmKnoxville McGhee Tyson
$2,369

American Airlines flights from Knoxville to Sydney

Our best American Airlines deals on Knoxville to Sydney flight tickets
American Airlines
Jun 7
TYS1:53 pmKnoxville McGhee Tyson
27h 02m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 14
SYD12:00 pmSydney Kingsford Smith
21h 31m
1 stop
TYS7:31 pmKnoxville McGhee Tyson
$1,405
American Airlines
Jun 7
TYS3:40 pmKnoxville McGhee Tyson
25h 50m
2 stops
SYD7:30 amSydney Kingsford Smith
Jun 14
SYD12:00 pmSydney Kingsford Smith
25h 56m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
$1,409
American Airlines
May 23
TYS5:33 pmKnoxville McGhee Tyson
23h 32m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 1
SYD12:00 pmSydney Kingsford Smith
23h 57m
1 stop
TYS9:57 pmKnoxville McGhee Tyson
$1,459

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 April 1, 2026.
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

Cheapest round-trip

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 6/7

1:53 pm-6:55 am

1 stop27h 02m

Sydney Kingsford Smith

Sun 6/14

12:00 pm-7:31 pm

1 stop21h 31m

$1,405

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 6/7

3:40 pm-7:30 am

2 stops25h 50m

Sydney Kingsford Smith

Sun 6/14

12:00 pm-11:56 pm

1 stop25h 56m

$1,409

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/23

5:33 pm-7:05 am

2 stops23h 32m

Sydney Kingsford Smith

Mon 6/1

12:00 pm-9:57 pm

1 stop23h 57m

$1,459

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 8/6

1:40 pm-6:55 am

1 stop27h 15m

Sydney Kingsford Smith

Thu 8/13

12:00 pm-7:20 pm

1 stop21h 20m

$1,505

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/16

1:20 pm-7:05 am

2 stops27h 45m

Sydney Kingsford Smith

Sat 5/23

12:00 pm-9:58 pm

2 stops23h 58m

$1,508

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 8/6

2:54 pm-7:30 am

2 stops26h 36m

Sydney Kingsford Smith

Thu 8/13

9:10 am-7:20 pm

2 stops24h 10m

$1,509

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Mon 9/21

6:30 am-9:25 am

2 stops36h 55m

Sydney Kingsford Smith

Sun 10/11

12:45 pm-2:42 pm

2 stops40h 57m

$1,538
Quickest round-trip

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/23

8:11 pm-6:55 am

1 stop20h 44m

Sydney Kingsford Smith

Mon 6/1

12:00 pm-7:31 pm

1 stop21h 31m

$1,605

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 6/12

3:40 pm-7:30 am

2 stops25h 50m

Sydney Kingsford Smith

Mon 6/22

9:10 am-7:31 pm

2 stops24h 21m

$1,608

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 9/13

4:56 pm-6:55 am

2 stops23h 59m

Sydney Kingsford Smith

Wed 9/23

9:30 am-6:05 pm

2 stops22h 35m

$1,611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Sydney from

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 month to fly to Sydney?

In general, July is the cheapest month to fly from Knoxville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $712. If you are unable to visit Sydney during the month of July, then departing from Knoxville during the month September is also very affordable. Most momondo users find prices during this month for around $932.

Can stopping save me money on Knoxville to Sydney flights?

You could potentially save up to 27% 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

Fastest flight time

23h 59m

Direct flights

None
The fastest flight from Knoxville to Sydney takes 23h 59m
There are no direct flights from Knoxville to Sydney. There are no popular flight routes from Knoxville to Sydney.
Search flight deals

Frequently asked questions about flying from Knoxville to Sydney

  • 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 23h 59m 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 $821Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free CancellationRating
7.1
11,544 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
Penrith
Manly
Randwick
Coogee
Leura
Lithgow
Cronulla
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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