Cheapest one-way flights from Washington to Sydney in January from $1006

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

AirHint found the following cheapest one-way flights from Washington (IAD) to Sydney (SYD) in January 2025 (see full year).

One-Way flights

31 Jan Delta
06 Jan Saudia
11 Jan United
10 Jan United
04 Jan Air China

Also check the deals for return flights from Washington to Sydney in January.

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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