Cheapest return flights from Washington to Sydney in August from $841

Best time to book flights for Washington (DCA) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to Sydney (SYD) in August 2025 (see full year).

Return flights

17 Aug - 26 Aug American Airlines
06 Aug - 21 Aug American Airlines

Also check the deals for one-way flights from Washington to Sydney in August.

Skyscanner

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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