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

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0 Children (2~11)
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How to find the cheapest flight from Denver (DEN) to Sydney (SYD)

How to find the cheapest flight from Denver (DEN) to Sydney (SYD)
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How to find the cheapest flight from Denver (DEN) to Sydney (SYD)
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How to find the cheapest flight from Denver (DEN) to Sydney (SYD)
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Cheap flights from Denver to Sydney in September , October 2026

28 Sep - 20 Oct $ 1,151.00
DEN
Denver
Frontier Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
3 STOPS
DEN
Denver
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14 Sep - 06 Oct $ 1,808.00
DEN
Denver
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
DEN
Denver
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13 Sep - 05 Oct $ 2,577.00
DEN
Denver
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
DEN
Denver
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Last minute flights from Denver to Sydney

15 Sep - 30 Sep $ 1,511.00
DEN
Denver
Frontier Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
2 STOPS
DEN
Denver
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14 Sep - 30 Sep $ 1,814.00
DEN
Denver
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
DEN
Denver
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13 Sep - 30 Sep $ 2,650.00
DEN
Denver
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
DEN
Denver
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One-way flights to Sydney from Denver

1:10 PM - 11:30 PM
Qantas
1 Stops
26h 20m
DEN - SYD
$ 681
Kiwi
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1:10 PM - 11:30 PM
Qantas
1 Stops
26h 20m
DEN - SYD
$ 702
Kiwi
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6:11 PM - 9:10 AM
Cathay Pacific
2 Stops
33h 59m
DEN - SYD
$ 810
Kiwi
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How to find the cheapest flight from Denver (DEN) to Sydney (SYD)

Related info for your journey
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How to find the cheapest flight from Denver (DEN) to Sydney (SYD)
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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.