Cheapest return flights from Boston to Sydney in April from 1186€

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

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

Return flights

18 Apr - 27 Apr United
04 Apr - 13 Apr United

Also check the deals for one-way 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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