Cheapest one-way flights from Washington to Sydney in January from 642€

AirHint found the following cheapest one-way flights from Washington (IAD) to Sydney (SYD) in January 2026 (see full year).

One-Way flights

29 Jan Turkish Airlines
27 Jan Turkish Airlines
28 Jan Turkish Airlines
20 Jan Turkish Airlines
19 Jan Turkish Airlines
21 Jan Alaska Airlines
08 Jan United
03 Jan United

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

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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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