AirHint found the following cheapest return flights from Boston (BOS) to Sydney (SYD) in February 2026 (see full year).
Return flights
| 05 Feb - 12 Feb | Qantas | ||
| 25 Feb - 02 Mar | Hawaiian Airlines | ||
| 01 Feb - 15 Feb | Qantas | ||
| 04 Feb - 10 Mar | Alaska Airlines | ||
| 23 Feb - 10 Mar | Qantas | ||
| 10 Feb - 26 Feb | Delta |
Also check the deals for one-way flights from Boston to Sydney in February.
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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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