$698+ Cheap flights from Knoxville (TYS) to Sydney (SYD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SYD
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Sydney
Cheapest
Best
Last-minute
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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 August 5, 2026.
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 August 5, 2026.
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/302:21 pm -
2 stops26h 39m
Sun 9/69:30 am -
2 stops26h 15m
Deal found 7/31![United Airlines logo]()
$1,241
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 8/53:25 pm -
2 stops25h 30m
Wed 8/1210:20 am -
2 stops25h 25m
Deal found 8/4![United Airlines logo]()
$1,242
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 8/51:46 pm -
2 stops27h 44m
Wed 8/1212:00 pm -
1 stop20h 20m
Deal found 8/4![American Airlines logo]()
$1,259
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/91:31 pm -
2 stops27h 19m
Wed 9/169:15 am -
2 stops25h 00m
Deal found 8/1![Delta logo]()
$1,312
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/911:49 am -
1 stop29h 06m
Wed 9/1612:00 pm -
1 stop22h 52m
Deal found 8/1![American Airlines logo]()
$1,324
This Delta deal was found by Cheapflights users on 7/31. 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 9/264:03 pm -
2 stops24h 47m
Thu 10/810:15 am -
2 stops26h 22m
Deal found 7/31![Delta logo]()
$1,411
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/3011:49 am -
1 stop29h 06m
Sun 9/69:10 am -
2 stops24h 25m
Deal found 7/31![American Airlines logo]()
$1,427
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/266:03 pm -
2 stops46h 52m
Thu 10/810:30 am -
2 stops26h 44m
Deal found 8/3![United Airlines logo]()
$1,429
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 9/266:06 pm -
2 stops22h 59m
Thu 10/81:00 pm -
1 stop25h 18m
Deal found 8/3![American Airlines logo]()
$1,448
This Qantas Airways deal was found by Cheapflights users on 8/1. 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.
Wed 9/96:00 am -
3 stops35h 30m
Wed 9/1612:00 pm -
2 stops24h 42m
Deal found 8/1![Multiple Airlines logo]()
$1,488
Best flights from Knoxville to SydneyDiscover 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 August 5, 2026.
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 August 5, 2026.
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/302:21 pm -
2 stops26h 39m
Sun 9/69:30 am -
2 stops26h 15m
Deal found 7/31![United Airlines logo]()
$1,241
This Delta deal was found by Cheapflights users on 7/31. 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 9/264:03 pm -
2 stops24h 47m
Thu 10/810:15 am -
2 stops26h 22m
Deal found 7/31![Delta logo]()
$1,411
This Qantas Airways deal was found by Cheapflights users on 8/1. 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.
Wed 9/96:00 am -
3 stops35h 30m
Wed 9/1612:00 pm -
2 stops24h 42m
Deal found 8/1![Multiple Airlines logo]()
$1,488
This American Airlines deal was found by Cheapflights users on 8/2. 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 12/244:21 pm -
1 stop22h 34m
Mon 1/1811:15 am -
2 stops26h 06m
Deal found 8/2![American Airlines logo]()
$1,683
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/266:03 pm -
2 stops46h 52m
Thu 10/810:30 am -
2 stops26h 44m
Deal found 8/3![United Airlines logo]()
$1,429
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 9/112:01 pm -
2 stops28h 49m
Mon 9/79:15 am -
2 stops26h 45m
Deal found 8/3![Delta logo]()
$1,662
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 12/245:05 pm -
2 stops48h 00m
Sun 1/1711:20 am -
2 stops24h 14m
Deal found 7/31![United Airlines logo]()
$1,630
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 12/245:05 pm -
2 stops48h 00m
Mon 1/189:20 am -
2 stops23h 29m
Deal found 7/31![United Airlines logo]()
$1,630
Last-minute flights from Knoxville to SydneyDiscover last-minute flight deals from Knoxville to Sydney. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Sydney. Data last updated August 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 8/53:25 pm -
2 stops25h 30m
Wed 8/1210:20 am -
2 stops25h 25m
Deal found 8/4![United Airlines logo]()
$1,242
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 8/51:46 pm -
2 stops27h 44m
Wed 8/1212:00 pm -
1 stop20h 20m
Deal found 8/4![American Airlines logo]()
$1,259
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/302:21 pm -
2 stops26h 39m
Sun 9/69:30 am -
2 stops26h 15m
Deal found 7/31![United Airlines logo]()
$1,241
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/3011:49 am -
1 stop29h 06m
Sun 9/69:10 am -
2 stops24h 25m
Deal found 7/31![American Airlines logo]()
$1,427
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/91:31 pm -
2 stops27h 19m
Wed 9/169:15 am -
2 stops25h 00m
Deal found 8/1![Delta logo]()
$1,312
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/911:49 am -
1 stop29h 06m
Wed 9/1612:00 pm -
1 stop22h 52m
Deal found 8/1![American Airlines logo]()
$1,324
This Qantas Airways deal was found by Cheapflights users on 8/1. 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.
Wed 9/96:00 am -
3 stops35h 30m
Wed 9/1612:00 pm -
2 stops24h 42m
Deal found 8/1![Multiple Airlines logo]()
$1,488
This Delta deal was found by Cheapflights users on 7/31. 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 9/264:03 pm -
2 stops24h 47m
Thu 10/810:15 am -
2 stops26h 22m
Deal found 7/31![Delta logo]()
$1,411
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/266:03 pm -
2 stops46h 52m
Thu 10/810:30 am -
2 stops26h 44m
Deal found 8/3![United Airlines logo]()
$1,429
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 9/266:06 pm -
2 stops22h 59m
Thu 10/81:00 pm -
1 stop25h 18m
Deal found 8/3![American Airlines logo]()
$1,448
One-way flights from Knoxville to SydneySearch for one-way flight options from Knoxville to Sydney. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from Knoxville to Sydney. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Delta deal was found by Cheapflights users on 8/2. 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.
Mon 9/1411:45 am -
2 stops29h 05m
Deal found 8/2![Delta logo]()
$698
This oojo deal was found by Cheapflights users on 8/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:35 pm -
1 stop23h 20m
Deal found 8/2![Qantas Airways logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:00 am -
3 stops44h 10m
Deal found 8/2![Multiple Airlines logo]()
$732
Find 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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,241 (United Airlines) |
One-way from | $698 (Delta) |
Popular in | April |
Cheapest in | September |
Average price | $1,323 |
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 August 5, 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
Cheapest round-trip
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Sun 8/30
2:21 pm-7:00 am
2 stops26h 39m
Sydney Kingsford Smith
Sun 9/6
9:30 am-9:45 pm
2 stops26h 15m
$1,241
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Sat 9/26
4:03 pm-6:50 am
2 stops24h 47m
Sydney Kingsford Smith
Thu 10/8
10:15 am-9:37 pm
2 stops26h 22m
$1,411
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Sat 9/26
6:03 pm-6:55 am
2 stops46h 52m
Sydney Kingsford Smith
Thu 10/8
10:30 am-10:14 pm
2 stops26h 44m
$1,429
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Wed 9/9
6:00 am-7:30 am
3 stops35h 30m
Sydney Kingsford Smith
Wed 9/16
12:00 pm-10:42 pm
2 stops24h 42m
$1,488
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Thu 12/24
5:05 pm-9:05 am
2 stops48h 00m
Sydney Kingsford Smith
Sun 1/17
11:20 am-7:34 pm
2 stops24h 14m
$1,630
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Thu 12/24
5:05 pm-9:05 am
2 stops48h 00m
Sydney Kingsford Smith
Mon 1/18
9:20 am-4:49 pm
2 stops23h 29m
$1,630
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Tue 9/1
12:01 pm-6:50 am
2 stops28h 49m
Sydney Kingsford Smith
Mon 9/7
9:15 am-10:00 pm
2 stops26h 45m
$1,662
Quickest round-trip
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Thu 12/24
4:21 pm-6:55 am
1 stop22h 34m
Sydney Kingsford Smith
Mon 1/18
11:15 am-9:21 pm
2 stops26h 06m
$1,683
Cheapest one-way
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Mon 9/14
11:45 am-6:50 am
2 stops29h 05m
$698
Quickest one-way
KnoxvilleSydney
TYS Knoxville McGhee Tyson - SYD Sydney Kingsford Smith
TYSSYD
Knoxville McGhee Tyson
Mon 9/14
5:35 pm-6:55 am
1 stop23h 20m
$699
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
TYS-SYD
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
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 August 5, 2026.
See what other customers who have flown with United Airlines and American Airlines from Knoxville to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Knoxville and Sydney flights
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Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on August 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 5, 2026.
Top 2 airlines flying from Knoxville to Sydney
Discover the top 2 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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$830 | Average$1,265 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$901 | Average$1,323 | FlexibilityNo cancel fee | On-time71% |