AirHint found the following cheapest return flights from Washington (DCA) to Sydney (SYD) in February 2026 (see full year).

Return flights

03 Feb - 17 Feb	Hawaiian Airlines
03 Feb - 10 Feb	Frontier Airlines
28 Feb - 07 Mar	Frontier Airlines
17 Feb - 12 Mar	Frontier Airlines
12 Feb - 17 Feb	Frontier Airlines
09 Feb - 15 Feb	Air Canada
17 Feb - 28 Feb	Qantas
13 Feb - 16 Feb	British Airways

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

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 Washington to Sydney in February from 1018€

Return flights