What are the cheapest airlines flying from Knoxville to Sydney round-trip?

Cheapflights users have booked flights from Knoxville to Sydney round-trip from $1,552. Other airlines that can offer you cheap pricing are United Airlines, from $1,804, and American Airlines, from $1,841.

What is the cheapest day to fly from Knoxville to Sydney?

Travelers seeking maximum savings on their Knoxville to Sydney flight should consider departing on Monday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Knoxville to Sydney?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Knoxville to Sydney.

What is the cheapest day to fly round-trip from Knoxville to Sydney?

Thursday flights are found to be more expensive to fly from Knoxville to Sydney. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

What is the cheapest month to fly from Knoxville to Sydney?

The best pricing can be found in the month of April. Prices to Sydney from Knoxville average $1,361. You can even find prices in April for less than $1,361, as users have found deals to Sydney from as low as $1,012. The month of October appears to be one of the more expensive times to travel to Sydney from Knoxville. Flying in the targeted month can save you up to 30%.

What is the cheapest time of day to fly from TYS to SYD?

When flying from Knoxville to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 24% versus a flight in the morning.

Most accurate provider : When it comes to deals on Knoxville-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Knoxville-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Knoxville-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Knoxville-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Knoxville to Sydney that include hotel bookings?

Yes. In addition to deals on Knoxville to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Knoxville to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Sydney.

Can I find deals for business class flights from Knoxville to Sydney?

Yes. Cheapflights offers flight deals from Knoxville to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,363+ Flights from Knoxville to Sydney

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1. Tell us where you want to go

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Knoxville to Sydney

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,552 (Delta)
Popular in	October
Cheapest in	April

Provider with most accurate pricing for Knoxville McGhee Tyson-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Sydney Kingsford Smith flights.

Search Deals

From Knoxville McGhee Tyson to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($251 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).

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Find flight deals from Knoxville to Sydney

Cheapest flights from Knoxville to Sydney
Explore the most affordable flight options available from Knoxville to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2025.

Mon 10/277:00 amTYS - SYD

2 stops38h 40mAir New Zealand

Sun 11/27:15 pmSYD - TYS

2 stops44h 04mAir New Zealand

Deal found 5/20

$1,363

Fri 7/47:47 amTYS - SYD

2 stops32h 48mDelta

Fri 7/119:25 amSYD - TYS

2 stops28h 19mDelta

Deal found 5/20

$1,552

Mon 10/272:22 pmTYS - SYD

2 stops27h 38mAmerican Airlines

Sun 11/22:20 pmSYD - TYS

1 stop19h 04mAmerican Airlines

Deal found 5/20

$1,555

Sat 5/244:52 pmTYS - SYD

2 stops48h 03mUnited Airlines

Tue 7/19:30 amSYD - TYS

2 stops43h 34mUnited Airlines

Deal found 5/20

$1,804

Mon 10/2710:35 amTYS - SYD

3 stops31h 00mMultiple Airlines

Sun 11/211:20 amSYD - TYS

2 stops26h 56mMultiple Airlines

Deal found 5/20

$1,901

Mon 10/275:50 amTYS - SYD

3 stops35h 45mAir Canada

Sun 11/211:20 amSYD - TYS

3 stops28h 22mAir Canada

Deal found 5/20

$2,387

Fri 7/42:16 pmTYS - SYD

1 stop26h 39mQantas Airways

Fri 7/1110:25 amSYD - TYS

1 stop25h 21mQantas Airways

Deal found 5/20

$2,412

Best flights from Knoxville to Sydney
Discover carefully curated flight deals from Knoxville to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2025.

Fri 7/47:47 amTYS - SYD

2 stops32h 48mDelta

Fri 7/119:25 amSYD - TYS

2 stops28h 19mDelta

Deal found 5/20

$1,552

Sat 5/244:52 pmTYS - SYD

2 stops48h 03mUnited Airlines

Tue 7/19:30 amSYD - TYS

2 stops43h 34mUnited Airlines

Deal found 5/20

$1,804

Fri 7/45:15 amTYS - SYD

1 stop35h 40mAmerican Airlines

Fri 7/119:10 amSYD - TYS

2 stops24h 02mAmerican Airlines

Deal found 5/20

$1,841

Fri 7/410:55 amTYS - SYD

3 stops30h 25mMultiple Airlines

Fri 7/119:20 amSYD - TYS

2 stops27h 02mMultiple Airlines

Deal found 5/20

$2,291

Fri 7/42:16 pmTYS - SYD

1 stop26h 39mQantas Airways

Fri 7/1110:25 amSYD - TYS

1 stop25h 21mQantas Airways

Deal found 5/20

$2,412

Sat 7/55:45 amTYS - SYD

2 stops35h 35mAir Canada

Sat 7/129:20 amSYD - TYS

3 stops28h 39mAir Canada

Deal found 5/21

$3,165

Last-minute flights from Knoxville to Sydney
Discover last-minute flight deals from Knoxville to Sydney. Data last updated May 21, 2025 and is based on user searches.

Sat 5/244:52 pmTYS - SYD

2 stops48h 03mUnited Airlines

Tue 7/19:30 amSYD - TYS

2 stops43h 34mUnited Airlines

Deal found 5/20

$1,804

Sat 5/248:10 amTYS - SYD

3 stops33h 10mMultiple Airlines

Tue 7/18:55 amSYD - TYS

2 stops50h 38mMultiple Airlines

Deal found 5/20

$2,840

Sat 5/2412:34 pmTYS - SYD

1 stop28h 21mAmerican Airlines

Tue 7/111:00 amSYD - TYS

2 stops24h 07mAmerican Airlines

Deal found 5/20

$2,842

Sat 5/246:28 pmTYS - SYD

1 stop22h 27mQantas Airways

Tue 7/110:25 amSYD - TYS

1 stop21h 15mQantas Airways

Deal found 5/20

$3,355

Cheapflights Fare Finder

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 7/4

7:47 am-6:35 am

2 stops32h 48m

Sydney Kingsford Smith

Fri 7/11

9:25 am-11:44 pm

2 stops28h 19m

$1,552

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/24

4:52 pm-6:55 am

2 stops48h 03m

Sydney Kingsford Smith

Tue 7/1

9:30 am-3:04 pm

2 stops43h 34m

$1,804

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 7/4

5:15 am-6:55 am

1 stop35h 40m

Sydney Kingsford Smith

Fri 7/11

9:10 am-7:12 pm

2 stops24h 02m

$1,841

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 7/4

10:55 am-7:20 am

3 stops30h 25m

Sydney Kingsford Smith

Fri 7/11

9:20 am-10:22 pm

2 stops27h 02m

$2,291

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 7/4

2:16 pm-6:55 am

1 stop26h 39m

Sydney Kingsford Smith

Fri 7/11

10:25 am-9:46 pm

1 stop25h 21m

$2,412

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 7/5

5:45 am-7:20 am

2 stops35h 35m

Sydney Kingsford Smith

Sat 7/12

9:20 am-11:59 pm

3 stops28h 39m

$3,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Compare providers for flights from Knoxville to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Sydney in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Knoxville-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Knoxville-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Knoxville-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Knoxville-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

What is the cheapest month to book a flight from Knoxville to Sydney?

Currently, February is the cheapest month in which you can book a flight from Knoxville to Sydney (average of $1,042). Flying from Knoxville to Sydney in December is currently the most expensive (average of $1,643). 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.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,951 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Qantas Airways

7.5

Good

841 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,745 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.0

Good

9,391 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Knoxville to Sydney round-trip?
Cheapflights users have booked flights from Knoxville to Sydney round-trip from $1,552. Other airlines that can offer you cheap pricing are United Airlines, from $1,804, and American Airlines, from $1,841.
Can I find deals for flights from Knoxville to Sydney that include hotel bookings?
Yes. In addition to deals on Knoxville to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Knoxville to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Sydney.
Can I find deals for business class flights from Knoxville to Sydney?
Yes. Cheapflights offers flight deals from Knoxville to Sydney 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 Sydney?
Currently, February is the cheapest month in which you can book a flight from Knoxville to Sydney (average of $1,042). Flying from Knoxville to Sydney in December is currently the most expensive (average of $1,643). 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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Complete your trip

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Other flights to Sydney

Top 3 airlines flying from Knoxville to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$825	Average$1,283	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$1,139	Average$1,555	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$1,189	Average$1,439	FlexibilityNo cancel fee	On-time71%

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$1,363+ Cheap flights from Knoxville (TYS) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Sydney

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Find flight deals from Knoxville to Sydney

Cheapest flights from Knoxville to SydneyExplore the most affordable flight options available from Knoxville to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2025.

Explore the most affordable flight options available from Knoxville to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Sydney that are best for you.

Compare providers for flights from Knoxville to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Sydney in May.

Best time to book a flight from Knoxville to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Knoxville with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Sydney

What is the cheapest month to book a flight from Knoxville to Sydney?

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated May 21, 2025.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Knoxville to Sydney round-trip?

Can I find deals for flights from Knoxville to Sydney that include hotel bookings?

How can I find direct flights from Knoxville to Sydney?

Can I find deals for business class flights from Knoxville to Sydney?

What is the cheapest month to book a flight from Knoxville to Sydney?

Traveling to a place near Knoxville?

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Alternative routes for Knoxville to Sydney

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Top 3 airlines flying from Knoxville to Sydney

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Cheapest flights from Knoxville to Sydney
Explore the most affordable flight options available from Knoxville to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2025.