Earn point on your loyalty program!arrow arc left

Cheap flights from Knoxville (TYS) to Sydney (SYD)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)

How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Knoxville to Sydney in December 2025 , January 2026

30 Dec - 30 Jan $ 1,652.00
TYS
Knoxville
Allegiant Air
2 STOPS
SYD
Sydney
SYD
Sydney
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
30 Dec - 16 Jan $ 1,690.00
TYS
Knoxville
Allegiant Air
2 STOPS
SYD
Sydney
SYD
Sydney
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
30 Dec - 28 Jan $ 1,951.00
TYS
Knoxville
Air New Zealand
2 STOPS
SYD
Sydney
SYD
Sydney
Air New Zealand
2 STOPS
TYS
Knoxville
Pick dates

Last minute flights from Knoxville to Sydney

26 Dec - 01 Jan $ 2,555.00
TYS
Knoxville
Allegiant Air
3 STOPS
SYD
Sydney
SYD
Sydney
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
26 Dec - 01 Jan $ 2,597.00
TYS
Knoxville
Allegiant Air
3 STOPS
SYD
Sydney
SYD
Sydney
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
26 Dec - 01 Jan $ 2,622.00
TYS
Knoxville
Allegiant Air
3 STOPS
SYD
Sydney
SYD
Sydney
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates

One-way flights to Sydney from Knoxville

5:15 PM - 8:25 PM
United Airlines
1 Stops
21h 45m
TYS - SYD
$ 1,094
Kiwi
Pick dates
4:04 PM - 8:25 PM
United Airlines
2 Stops
46h 56m
TYS - SYD
$ 1,131
Kiwi
Pick dates
5:15 PM - 8:25 PM
United Airlines
1 Stops
21h 45m
TYS - SYD
$ 1,370
Kiwi
Pick dates

How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.