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

Return flights

11 Mar - 18 Mar	United
04 Mar - 15 Mar	United
04 Mar - 11 Mar	United
01 Mar - 08 Mar	United
12 Mar - 31 Mar	Delta
24 Mar - 31 Mar	Delta
02 Mar - 09 Mar	United
26 Mar - 05 Apr	Delta
27 Mar - 11 Apr	Delta
06 Mar - 20 Mar	Air Canada
18 Mar - 24 Mar	Air Canada
05 Mar - 18 Mar	Air Canada
19 Mar - 02 Apr	Qantas
28 Mar - 12 Apr	Qantas
28 Mar - 24 Apr	United
28 Mar - 11 Apr	Frontier Airlines
31 Mar - 11 Apr	Qantas
10 Mar - 14 Apr	Qantas

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

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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Cheapest return flights from New York to Sydney in March from $987

Return flights