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$1,462+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,462
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$1,304
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. 4% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/712:10 pmTYS - SYD
2 stops28h 25mDelta
Sat 6/149:25 amSYD - TYS
2 stops27h 02mDelta
Deal found 4/27$1,551
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 5/317:00 amTYS - SYD
2 stops58h 00mUnited Airlines
Mon 6/3010:20 amSYD - TYS
2 stops37h 57mUnited Airlines
Deal found 4/26$1,632
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 6/127:00 amTYS - SYD
1 stop33h 55mAmerican Airlines
Thu 6/199:10 amSYD - TYS
2 stops22h 51mAmerican Airlines
Deal found 4/28$1,894
This StudentUniverse deal was found by Cheapflights users on 4/27. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:25 pmTYS - SYD
1 stop22h 30mQantas Airways
Sat 6/1410:25 amSYD - TYS
1 stop21h 10mQantas Airways
Deal found 4/27$2,237
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:15 amTYS - SYD
2 stops35h 20mAir New Zealand
Sat 5/36:20 pmSYD - TYS
2 stops43h 26mAir New Zealand
Deal found 4/27$2,379
This Priceline deal was found by Cheapflights users on 4/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:00 amTYS - SYD
2 stops35h 35mMultiple Airlines
Sun 5/410:25 amSYD - TYS
1 stop21h 03mMultiple Airlines
Deal found 4/26$2,801
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/125:45 amTYS - SYD
2 stops35h 35mAir Canada
Thu 6/199:20 amSYD - TYS
3 stops28h 39mAir Canada
Deal found 4/28$3,351
This AranGrant deal was found by Cheapflights users on 4/27. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/78:25 amTYS - SYD
2 stops56h 20mLATAM Airlines
Sat 6/1411:50 amSYD - TYS
3 stops37h 18mLATAM Airlines
Deal found 4/27$7,323
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/72:04 pmTYS - SYD
2 stops29h 21mANA
Sat 6/148:55 pmSYD - TYS
2 stops30h 28mANA
Deal found 4/27$9,425

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Knoxville to Sydney that are best for you.

Fly from

Knoxville

Fly to

Sydney

Route

Depart

Return

Price

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 6/7

12:10 pm-6:35 am

2 stops28h 25m

Sydney Kingsford Smith

Sat 6/14

9:25 am-10:27 pm

2 stops27h 02m

$1,551

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/31

7:00 am-7:00 am

2 stops58h 00m

Sydney Kingsford Smith

Mon 6/30

10:20 am-10:17 am

2 stops37h 57m

$1,632

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 6/12

7:00 am-6:55 am

1 stop33h 55m

Sydney Kingsford Smith

Thu 6/19

9:10 am-6:01 pm

2 stops22h 51m

$1,894

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 6/7

6:25 pm-6:55 am

1 stop22h 30m

Sydney Kingsford Smith

Sat 6/14

10:25 am-5:35 pm

1 stop21h 10m

$2,237

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 5/31

7:00 am-7:20 am

3 stops34h 20m

Sydney Kingsford Smith

Mon 6/30

8:55 am-9:33 pm

2 stops50h 38m

$2,878

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 6/12

5:45 am-7:20 am

2 stops35h 35m

Sydney Kingsford Smith

Thu 6/19

9:20 am-11:59 pm

3 stops28h 39m

$3,351

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 6/7

8:25 am-6:45 am

2 stops56h 20m

Sydney Kingsford Smith

Sat 6/14

11:50 am-11:08 am

3 stops37h 18m

$7,323

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sat 6/7

2:04 pm-9:25 am

2 stops29h 21m

Sydney Kingsford Smith

Sat 6/14

8:55 pm-1:23 pm

2 stops30h 28m

$9,425

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 9/18

4:00 pm-5:15 pm

2 stops35h 15m

$5,731

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 9/18

2:27 pm-6:55 am

1 stop26h 28m

$8,383

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 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 $1,046). 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 April 29, 2025.
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,459 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
ANA
8.3
Very good
855 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Delta
8.0
Very good
7,929 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Air New Zealand
8.0
Very good
471 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qantas Airways
7.5
Good
828 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 $1,462. Other airlines that can offer you cheap pricing are Delta, from $1,551, and American Airlines, from $1,628. Users have found that United Airlines is 1% 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 $1,046). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$918Average$1,338FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,139Average$1,555FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,189Average$1,508FlexibilityNo cancel feeOn-time71%

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