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$826+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Knoxville to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$826
(United Airlines)

Popular in

September

Cheapest in

March

Average price

$1,044
Provider with most accurate pricing for Knoxville McGhee Tyson-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Sydney Kingsford Smith flights.
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From Knoxville McGhee Tyson to Sydney Kingsford Smith
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Highest demand for flights based on searches. 13% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 22, 2025.

This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:00 amTYS - SYD
2 stops34h 00mUnited Airlines
Wed 4/309:30 amSYD - TYS
2 stops26h 52mUnited Airlines
Deal found 2/22$826
This American Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/12:43 pmTYS - SYD
2 stops26h 22mAmerican Airlines
Wed 4/3010:25 amSYD - TYS
1 stop21h 03mAmerican Airlines
Deal found 2/22$1,442
This Gurufare deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:18 pmTYS - SYD
1 stop22h 37mQantas Airways
Mon 4/146:00 pmSYD - TYS
2 stops43h 55mQantas Airways
Deal found 2/21$2,175
This Qantas Airways deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:09 pmTYS - SYD
2 stops25h 16mMultiple Airlines
Wed 4/308:45 amSYD - TYS
3 stops29h 10mMultiple Airlines
Deal found 2/22$2,315
This Gurufare deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/267:05 amTYS - SYD
2 stops33h 40mAir New Zealand
Fri 2/287:15 pmSYD - TYS
2 stops40h 47mAir New Zealand
Deal found 2/22$2,467
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/82:55 pmTYS - SYD
2 stops26h 25mAir Canada
Mon 8/119:20 amSYD - TYS
3 stops28h 22mAir Canada
Deal found 2/20$2,805
This SmartFares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:00 pmTYS - SYD
3 stops50h 35mLATAM Airlines
Wed 4/3011:50 amSYD - TYS
3 stops35h 31mLATAM Airlines
Deal found 2/22$3,593

Find flights from Knoxville to Sydney within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Knoxville

Fly to

Sydney

Route

Depart

Return

Price

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 4/1

7:00 am-8:00 am

2 stops34h 00m

Sydney Kingsford Smith

Wed 4/30

9:30 am-10:22 pm

2 stops26h 52m

$826

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 4/1

2:43 pm-8:05 am

2 stops26h 22m

Sydney Kingsford Smith

Wed 4/30

10:25 am-5:28 pm

1 stop21h 03m

$1,442

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Mon 4/7

6:18 pm-6:55 am

1 stop22h 37m

Sydney Kingsford Smith

Mon 4/14

6:00 pm-11:55 pm

2 stops43h 55m

$2,175

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 4/1

4:09 pm-8:25 am

2 stops25h 16m

Sydney Kingsford Smith

Wed 4/30

8:45 am-11:55 pm

3 stops29h 10m

$2,315

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Fri 8/8

2:55 pm-7:20 am

2 stops26h 25m

Sydney Kingsford Smith

Mon 8/11

9:20 am-11:42 pm

3 stops28h 22m

$2,805

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 4/1

5:00 pm-10:35 am

3 stops50h 35m

Sydney Kingsford Smith

Wed 4/30

11:50 am-9:21 am

3 stops35h 31m

$3,593

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Knoxville to Sydney

Get recent, data-driven insights about flights from Knoxville to Sydney including ideal travel times, pricing trends, and more.

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 $1,051). 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

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

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

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 February 22, 2025.
LATAM Airlines
7.5
Good
1,789 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Oct 2024

LIM - MAD

last minute upgrade to exclusive+ seat for an 11 hours flight was great!

LATAM Airlines
7.5
Good
1,789 reviews
LATAM Airlines
7.5
Good
1,789 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Oct 2024

LIM - MAD

last minute upgrade to exclusive+ seat for an 11 hours flight was great!

Qantas Airways
7.4
Good
813 reviews
LATAM Airlines
7.5
Good
1,789 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Oct 2024

LIM - MAD

last minute upgrade to exclusive+ seat for an 11 hours flight was great!

United Airlines
7.4
Good
8,754 reviews
LATAM Airlines
7.5
Good
1,789 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Oct 2024

LIM - MAD

last minute upgrade to exclusive+ seat for an 11 hours flight was great!

American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,789 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Oct 2024

LIM - MAD

last minute upgrade to exclusive+ seat for an 11 hours flight was great!

Air Canada
7.0
Good
8,758 reviews
LATAM Airlines
7.5
Good
1,789 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Oct 2024

LIM - MAD

last minute upgrade to exclusive+ seat for an 11 hours flight was great!

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?

    Cheapflights users have booked flights from Knoxville to Sydney round-trip from $826. Other airlines that can offer you cheap pricing are American Airlines, from $1,442, and Qantas Airways, from $2,175. Users have found that United Airlines is 43% cheaper than the other options available to this destination.

  • 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 $1,051). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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Alternative routes for Knoxville to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Knoxville to Sydney

Discover the top 3 airlines that operate flights from Knoxville to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$918Average$1,364FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,139Average$1,405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,189Average$1,427FlexibilityNo cancel feeOn-time71%
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