AirHint found the following cheapest return flights from Washington (IAD) to Sydney (SYD) in April 2026 (see full year).
Return flights
| 15 Apr - 29 Apr | Hawaiian Airlines | ||
| 15 Apr - 24 Apr | Hawaiian Airlines | ||
| 03 Apr - 19 Apr | Air Canada | ||
| 01 Apr - 08 Apr | Turkish Airlines | ||
| 01 Apr - 13 Apr | United | ||
| 18 Apr - 03 May | United |
Also check the deals for one-way flights from Washington to Sydney in April.
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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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