AirHint found the following cheapest return flights from Denver (DEN) to Sydney (SYD) in March 2026 (see full year).

Return flights

04 Mar - 12 Mar	Air Canada
16 Mar - 23 Mar	Air Canada
15 Mar - 23 Mar	Air Canada
05 Mar - 20 Mar	Air Canada
23 Mar - 13 Apr	Air Canada
03 Mar - 12 Mar	Air Canada
13 Mar - 21 Mar	Air Canada
21 Mar - 27 Mar	United

Also check the deals for one-way flights from Denver to Sydney in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Denver to Sydney in March from 1077€

Return flights