AirHint found the following cheapest return flights from Washington (DCA) to Melbourne (MEL) in April 2026 (see full year).

Return flights

21 Apr - 06 May	Frontier Airlines
25 Apr - 01 May	Frontier Airlines
27 Apr - 04 May	Frontier Airlines
21 Apr - 28 Apr	Frontier Airlines
27 Apr - 17 May	Frontier Airlines
21 Apr - 18 May	Alaska Airlines
25 Apr - 25 May	Frontier Airlines
27 Apr - 21 May	Frontier Airlines
19 Apr - 29 Apr	Frontier Airlines
28 Apr - 05 May	Alaska Airlines
21 Apr - 05 May	Alaska Airlines
29 Apr - 06 May	Alaska Airlines
07 Apr - 22 Apr	United
01 Apr - 18 Apr	United

Also check the deals for one-way flights from Washington to Melbourne in April.

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 Melbourne in April from 828€

Return flights