Williamtown Airport to Mount Isa Flights from HKD 299 incl. tax

Based on HopeGoo data, Jetstar Airways offers one-way fares as low as US$402 on Cheapest nonstop routes (e.g. NTL to ISA on Mon, Feb 16), while Virgin Australia offers Cheapest nonstop round-trips from US$881 departing on Thu, Feb 19 and returning on Mon, Feb 23.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Newcastle to Mount Isa is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Newcastle to Mount Isa, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Feb 16, with one-way flights priced at just US$402. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetstar Airways. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Mount Isa travel is around August. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Newcastle to Mount Isa is November, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Newcastle to Mount Isa on February 19, 2026 with Virgin Australia, with prices starting at US$881.

The time difference between Mount Isa and Newcastle is 0h.

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