AirHint found the following cheapest return flights from Newark (EWR) to Sydney (SYD) in July 2025 (see full year).

Return flights

30 Jul - 06 Aug	Spirit Airlines
26 Jul - 08 Aug	Spirit Airlines
27 Jul - 31 Jul	jetBlue
05 Jul - 12 Jul	Spirit Airlines
12 Jul - 22 Jul	Spirit Airlines
29 Jul - 14 Aug	Alaska Airlines
03 Jul - 10 Jul	Spirit Airlines
08 Jul - 22 Jul	Spirit Airlines
08 Jul - 07 Aug	Spirit Airlines
28 Jul - 01 Aug	jetBlue
28 Jul - 02 Aug	jetBlue
02 Jul - 09 Jul	Spirit Airlines
23 Jul - 30 Jul	jetBlue
31 Jul - 23 Aug	Spirit Airlines
04 Jul - 07 Jul	Spirit Airlines
12 Jul - 19 Jul	Spirit Airlines
13 Jul - 17 Aug	Spirit Airlines
12 Jul - 21 Jul	jetBlue
07 Jul - 16 Aug	jetBlue
22 Jul - 26 Aug	United

Also check the deals for one-way flights from Newark to Sydney in July.

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 Newark to Sydney in July from $946

Return flights