Cheapest one-way flights from Boston to Sydney in April from 565€

Best time to book flights for Boston (BOS) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest one-way flights from Boston (BOS) to Sydney (SYD) in April 2025 (see full year).

One-Way flights

29 Apr Air Canada
19 Apr Air Canada
22 Apr Air Canada

Also check the deals for return flights from Boston to Sydney in April.

Skyscanner

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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