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 May , June 2026

27 May - 06 Jun $ 1,415.00
DEN
Denver
Frontier Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
27 May - 08 Jun $ 2,044.00
DEN
Denver
Alaska Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
2 STOPS
DEN
Denver
Pick dates
19 May - 01 Jun $ 2,696.00
DEN
Denver
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
2 STOPS
DEN
Denver
Pick dates

Last minute flights from Denver to Sydney

27 May - 31 May $ 1,077.00
DEN
Denver
Frontier Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
2 STOPS
DEN
Denver
Pick dates
22 May - 31 May $ 2,066.00
DEN
Denver
Air New Zealand
2 STOPS
SYD
Sydney
SYD
Sydney
Air New Zealand
1 STOPS
DEN
Denver
Pick dates
19 May - 01 Jun $ 2,538.00
DEN
Denver
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
DEN
Denver
Pick dates

One-way flights to Sydney from Denver

2:00 PM - 11:30 PM
Qantas
1 Stops
25h 30m
DEN - SYD
$ 677
Kiwi
Pick dates
7:21 PM - 11:50 AM
Alaska Airlines
2 Stops
31h 29m
DEN - SYD
$ 951
Kiwi
Pick dates
8:35 PM - 11:05 PM
Qantas
1 Stops
18h 30m
DEN - SYD
$ 1,191
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.