10 Days in Australia: Sydney, Melbourne, and the Great Barrier Reef

A well-paced 10 days Australia itinerary combines four nights in Sydney, three nights in Melbourne, and three nights in Cairns for the Great Barrier Reef. Fly between cities rather than attempting the entire east coast by road, and budget approximately US$1,350–2,100 per person for budget-to-mid-range travel, excluding international flights. Australia recorded 8.9 million international visitor arrivals in 2025, according to Tourism Research Australia, making advance reservations especially sensible during school holidays. This Australia travel plan includes major landmarks, local food, practical transport, and daily spending estimates. Use the Australia destination guide for extra planning ideas, and let the Hello app track shared costs, scan receipts, and convert expenses automatically across Australian dollars and your home currency.

Spend four days in Sydney to cover its harbour icons, historic centre, beaches, and coastal scenery without rushing between neighbourhoods. Day 1: Arrive in the morning, take the Airport Link train to Central or Town Hall for about A$20–25, check in, and walk through The Rocks before seeing the Opera House and Harbour Bridge at sunset. Have a casual dinner of fish and chips or a modern Australian plate for A$18–35. Day 2: Start with coffee and breakfast in Surry Hills, then visit the Royal Botanic Garden and Mrs Macquarie’s Chair. In the afternoon, take a harbour ferry to Manly for roughly A$8–12 each way and finish with a beachside dinner. Day 3: Walk from Bondi to Coogee in the morning, allowing two to three hours, then spend the afternoon swimming or visiting the Art Gallery of New South Wales. Day 4: Explore Chinatown, Darling Harbour, and the Queen Victoria Building, then fly to Melbourne in the evening. Domestic flights often cost about US$80–180 when booked ahead; add airport transfers and baggage. A budget day costs about US$75–110, mid-range US$170–260, and luxury US$450 or more. Sydney’s public transport uses contactless payment, but fares and airport fees vary, so check the current Opal network rules before travelling.

Three days in Melbourne work best when you combine the central laneways with one full-day regional excursion. Day 5: After arriving, explore Flinders Street Station, Federation Square, Hosier Lane, and the National Gallery of Victoria. Eat brunch for A$18–30, try a market snack at Queen Victoria Market, and reserve an evening table in Chinatown or Fitzroy. Day 6: Take a guided Great Ocean Road tour, generally around A$120–220 per person, or hire a car from approximately A$60–110 per day before fuel and insurance. Leave early for the Twelve Apostles, Loch Ard Gorge, and coastal viewpoints; the full route is tiring but spectacular. Day 7: Visit the Melbourne Museum or Melbourne Skydeck in the morning, browse Fitzroy boutiques in the afternoon, and fly to Cairns in the evening. Melbourne’s trams are free within the central Free Tram Zone, while travel beyond it requires a Myki card. Plan A$15–25 for a casual meal, A$30–60 for a mid-range dinner, and more than A$100 for a tasting menu. This section makes the itinerary practical for an east coast Australia trip while preserving time for the reef.

Reserve two full days in Cairns for the reef and rainforest, keeping one flexible day for weather delays. Day 8: Arrive in the morning, transfer from Cairns Airport by shuttle or taxi for approximately A$20–45, and stroll the Esplanade, lagoon, and night markets. Day 9: Take a full-day outer-reef cruise for snorkelling or diving. Current advertised Cairns tours commonly range from about A$195–312 per adult, with some operators adding a fuel levy of approximately A$10; many include equipment, lunch, and hotel transfers. Departures are early, so bring reef-safe sunscreen, a reusable water bottle, motion-sickness medication, and an underwater phone case. Day 10: Choose a Kuranda and Skyrail day, a Daintree extension, or a relaxed Palm Cove morning before your departure. Allow roughly A$100–220 for Kuranda activities and transport, depending on inclusions. Budget travellers should expect US$110–180 per day in Cairns when the reef tour is included; mid-range travellers should allow US$220–350, and luxury travellers US$500 or more. Tropical weather can change quickly, so avoid scheduling an international connection immediately after a reef cruise.

The most useful Australia trip planner compares comfort level, transport choices, and paid experiences before booking hotels. For 10 days, budget around US$1,350–2,100 per person excluding international flights, with the reef cruise and domestic flights accounting for a large share. Australia’s international visitor spend reached A$39.2 billion in 2025, according to Tourism Research Australia, so prices can rise during busy periods and major events.

These estimates include domestic flights, city transport, accommodation, meals, and one Great Barrier Reef tour, but not international airfare. Save money by booking Sydney–Melbourne and Melbourne–Cairns flights early, staying near rail or tram routes, eating a substantial lunch, and using free museums or parks. The Hello app can import bank statements, scan receipts in multiple currencies, categorise spending with AI, and split shared hotel or tour costs automatically.

The simplest way to stay connected during this Australia travel plan is to activate Hello eSIM before departure, so maps, airport directions, bookings, and translation tools work as soon as you land. Hello offers instant eSIM activation and data plans for more than 200 countries; Australian plans start from 5GB, with current prices shown live at purchase. Review the Hello eSIM for Australia options before flying, install the eSIM while connected to Wi-Fi, and make sure your phone supports eSIM and is unlocked. Keep your primary SIM available for incoming messages if needed, but set Hello eSIM as the mobile-data line and disable data roaming on the other line. Coverage is generally strongest in the three cities and along major tourist routes, while remote rainforest, reef, and coastal areas can have weaker service. Download offline maps, airline boarding passes, and accommodation details before each excursion. The Hello app also combines trip planning, expense splitting, voice expense entry, automatic exchange-rate conversion, and budget tracking, which is particularly helpful when one traveller pays for a reef cruise in Australian dollars and friends reimburse in different currencies.

A 10-day Australia itinerary is enough for Sydney, Melbourne, and the Great Barrier Reef, but it is too short to cover the entire east coast by road. Is 10 days enough for Australia? Yes, if you focus on these three bases and fly between them; adding Brisbane, the Whitsundays, or a long inland drive would make the schedule rushed. What is the best order? Sydney–Melbourne–Cairns is efficient for first-time visitors, although reversing it can work if reef weather is a priority. How much money should I take? A practical mid-range allowance is US$2,000–3,200 per person excluding international flights, including hotels, meals, domestic flights, attractions, and a reef tour. Should I rent a car? No for Sydney or Melbourne, where trains, buses, ferries, and trams are useful; consider one only for the Great Ocean Road or selected Cairns day trips. When should I visit? Sydney and Melbourne are flexible year-round, while Cairns is often most comfortable during the drier months, although reef conditions vary daily. What should I book first? Secure domestic flights, accommodation, and the Great Barrier Reef cruise before planning restaurant reservations or optional day tours.