Cheapest return flights from Boston to Sydney in March from $902

AirHint found the following cheapest return flights from Boston (BOS) to Sydney (SYD) in March 2026 (see full year).

Return flights

05 Mar - 09 Mar Qantas
01 Mar - 23 Mar Qantas
11 Mar - 25 Mar jetBlue
11 Mar - 21 Mar Air Canada
10 Mar - 21 Mar Air Canada
10 Mar - 20 Mar Air Canada
06 Mar - 14 Mar Air Canada
17 Mar - 29 Mar Hawaiian Airlines
16 Mar - 26 Mar Air Canada
15 Mar - 29 Mar Etihad Airways
26 Mar - 02 Apr Air Canada
28 Mar - 04 Apr Qantas
27 Mar - 03 Apr jetBlue

Also check the deals for one-way flights from Boston to Sydney in March.

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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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