What airlines fly to Sydney?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Sydney from Knoxville according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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?

There are 2 operators available for flights from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport as of July 2025.

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.

$826 Cheap Flights from Knoxville to Sydney in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Knoxville to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

5:07 pm - 7:00 amTYS-SYD

21h 53m1 stop

11:50 am - 11:19 pmSYD-TYS

27h 29m1 stop

$826United Airlines

Find Deal

Mon, Dec 1 - Wed, Dec 31

11:45 am - 9:15 amTYS-SYD

29h 30m2 stops

12:10 pm - 10:13 amSYD-TYS

38h 03m2 stops

$829United Airlines

Find Deal

Wed, Nov 26 - Mon, Dec 15

12:00 pm - 6:55 amTYS-SYD

28h 55m2 stops

9:30 am - 10:37 pmSYD-TYS

27h 07m2 stops

$830United Airlines

Find Deal

Mon, Aug 4 - Wed, Aug 20

5:49 pm - 7:00 amTYS-SYD

45h 11m2 stops

11:50 am - 11:19 pmSYD-TYS

27h 29m1 stop

$843United Airlines

Find Deal

Mon, Dec 1 - Wed, Dec 31

5:07 pm - 7:00 amTYS-SYD

21h 53m1 stop

11:20 am - 10:13 amSYD-TYS

38h 53m2 stops

$856United Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 15

2:23 pm - 7:25 amTYS-SYD

25h 02m2 stops

5:45 pm - 12:20 amSYD-TYS

22h 35m2 stops

$911American Airlines

Find Deal

Mon, Dec 1 - Wed, Dec 31

6:22 pm - 6:55 amTYS-SYD

22h 33m1 stop

9:10 am - 6:54 pmSYD-TYS

23h 44m2 stops

$940American Airlines

Find Deal

Mon, Aug 4 - Wed, Aug 20

2:02 pm - 6:55 amTYS-SYD

26h 53m1 stop

12:10 pm - 9:45 pmSYD-TYS

23h 35m1 stop

$966American Airlines

Find Deal

Mon, Aug 4 - Wed, Aug 20

10:59 am - 6:35 amTYS-SYD

29h 36m2 stops

9:25 am - 6:35 pmSYD-TYS

23h 10m2 stops

$1,185Delta

Find Deal

Sun, Aug 3 - Sat, Aug 16

4:02 pm - 6:35 amTYS-SYD

24h 33m2 stops

9:25 am - 8:06 pmSYD-TYS

24h 41m2 stops

$1,365Delta

Find Deal

Wed, Jul 30 - Sat, Aug 16

Delta flights from Knoxville to Sydney

Our best Delta deals on Knoxville to Sydney flight tickets

Delta

Aug 3

TYS10:59 amKnoxville McGhee Tyson

29h 36m

2 stops

SYD6:35 amSydney Kingsford Smith

Aug 16

SYD9:25 amSydney Kingsford Smith

23h 10m

2 stops

TYS6:35 pmKnoxville McGhee Tyson

$1,185

Find similar

Delta

Jul 30

TYS4:02 pmKnoxville McGhee Tyson

24h 33m

2 stops

SYD6:35 amSydney Kingsford Smith

Aug 16

SYD9:25 amSydney Kingsford Smith

24h 41m

2 stops

TYS8:06 pmKnoxville McGhee Tyson

$1,365

Find similar

United Airlines flights from Knoxville to Sydney

Our best United Airlines deals on Knoxville to Sydney flight tickets

United Airlines

Dec 1

TYS5:07 pmKnoxville McGhee Tyson

21h 53m

1 stop

SYD7:00 amSydney Kingsford Smith

Dec 31

SYD11:50 amSydney Kingsford Smith

27h 29m

1 stop

TYS11:19 pmKnoxville McGhee Tyson

$826

Find similar

United Airlines

Nov 26

TYS11:45 amKnoxville McGhee Tyson

29h 30m

2 stops

SYD9:15 amSydney Kingsford Smith

Dec 15

SYD12:10 pmSydney Kingsford Smith

38h 03m

2 stops

TYS10:13 amKnoxville McGhee Tyson

$829

Find similar

United Airlines

Aug 4

TYS12:00 pmKnoxville McGhee Tyson

28h 55m

2 stops

SYD6:55 amSydney Kingsford Smith

Aug 20

SYD9:30 amSydney Kingsford Smith

27h 07m

2 stops

TYS10:37 pmKnoxville McGhee Tyson

$830

Find similar

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

Prices

Airlines

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.

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

Best Price Found	$826
Fastest flight time	21h 53m
Direct flights	None
Airports in Sydney	1 airport

The best flight deal from Knoxville to Sydney found on momondo in the last 72 hours is $826

The fastest flight from Knoxville to Sydney takes 21h 53m

There are no direct flights from Knoxville to Sydney. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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 53m 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?
There are 2 operators available for flights from Knoxville McGhee Tyson Airport to Sydney Kingsford Smith Airport as of July 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Knoxville to Sydney is United Airlines (74% of total bookings). The next most popular airline is American Airlines (26%).

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 Airlines	PriceFrom $825	Free Cancellation	Rating 7.4 8,846 reviews		Search United Airlines flights
American Airlines	PriceFrom $950	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Parramatta

Katoomba

Bondi Beach

Wollongong

Randwick

Cronulla

Manly

Coogee

Penrith

Charlestown

Lithgow

Swansea

Leura

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.