Question : Looking for the cheapest flight over the next 30 days?
Answer : As of December 5th, the best day for booking to Sydney (SYD) from Newark (EWR) is January 1st. Bookings have been made roughly 23% below the average price for this route.
Question : How long are most people's visits to Sydney when they fly in from Newark?
Answer : Of course you're not most people, but if you were, you'd stay roughly 18 days.
Question : Is price more important than specific travel days for you?
Answer : The lowest-cost day to fly in December is Saturday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Are prices changing frequently for this route?
Answer : Prices for this trip tend to change a lot more than others. Remember, you can save by booking further in advance.