Earn point on your loyalty program!arrow arc left

Cheap flights from Denver (DEN) 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 Denver (DEN) to Sydney (SYD)

How to find the cheapest flight from Denver (DEN) 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 Denver (DEN) 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 Denver (DEN) 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 Denver to Sydney in July , August 2026

28 Jul - 27 Aug $ 1,099.00
DEN
Denver
Frontier Airlines
3 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
2 STOPS
DEN
Denver
Pick dates
29 Jul - 06 Aug $ 2,070.00
DEN
Denver
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
DEN
Denver
Pick dates
24 Jul - 10 Aug $ 2,759.00
DEN
Denver
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
DEN
Denver
Pick dates

Last minute flights from Denver to Sydney

28 Jul - 01 Aug $ 1,481.00
DEN
Denver
Frontier Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
2 STOPS
DEN
Denver
Pick dates
27 Jul - 31 Jul $ 1,969.00
DEN
Denver
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
DEN
Denver
Pick dates
24 Jul - 31 Jul $ 2,038.00
DEN
Denver
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
DEN
Denver
Pick dates

One-way flights to Sydney from Denver

5:23 PM - 2:25 PM
Jetstar Airways
3 Stops
30h 32m
DEN - SYD
$ 695
Kiwi
Pick dates
12:55 PM - 11:55 AM
Alaska Airlines
2 Stops
37h 55m
DEN - SYD
$ 1,008
Kiwi
Pick dates
7:43 PM - 10:45 PM
United Airlines
1 Stops
19h 17m
DEN - SYD
$ 1,178
Kiwi
Pick dates

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