AirHint found the following cheapest return flights from Washington (DCA) to Sydney (SYD) in January 2026 (see full year).
Return flights
| 29 Jan - 05 Feb | Frontier Airlines | ||
| 23 Jan - 29 Jan | Frontier Airlines | ||
| 14 Jan - 22 Jan | Frontier Airlines | ||
| 30 Jan - 13 Feb | Qantas | ||
| 01 Jan - 19 Jan | Delta | ||
| 09 Jan - 19 Jan | United | ||
| 15 Jan - 18 Jan | Qantas |
Also check the deals for one-way 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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