The cost of traveling to Australia, Vanuatu, Solomon Islands, and Papua New Guinea can vary depending on various factors such as travel duration, accommodation choices, activities, dining preferences, and transportation options. However, here’s a rough budget breakdown per country to give you an idea:

1. Australia:

• Accommodation: Budget accommodations like hostels or budget hotels can range from $20-50 USD per night, while mid-range hotels may cost around $80-150 USD per night or more in popular cities.
• Food: Dining out at inexpensive restaurants or cafes can cost around $10-20 USD per meal, while mid-range dining options can range from $20-40 USD per meal.
• Transportation: Domestic flights within Australia can vary depending on the distance, but budget for around $100-300 USD per flight. Public transportation in cities like Sydney or Melbourne may cost around $5-10 USD per day.
• Activities: Entrance fees for attractions, national parks, or museums can range from $10-30 USD, depending on the location and type of activity. Some activities like tours or wildlife encounters can cost more.

1. Vanuatu:

• Accommodation: Budget accommodations can range from $40-80 USD per night, while mid-range hotels or resorts may cost around $80-150 USD per night or more.
• Food: Dining at local restaurants or street stalls can cost around $10-20 USD per meal, while mid-range restaurants can range from $20-40 USD per meal.
• Transportation: Local buses or taxis within the islands can cost a few dollars per ride. Domestic flights within Vanuatu can range from $50-200 USD per flight, depending on the destination.
• Activities: Entrance fees for attractions, cultural experiences, or outdoor activities can range from $10-30 USD, but prices can vary.

1. Solomon Islands:

• Accommodation: Budget accommodations can range from $50-80 USD per night, while mid-range hotels or resorts may cost around $100-200 USD per night or more.
• Food: Local food stalls or small restaurants can cost around $5-10 USD per meal, while mid-range dining options can range from $10-30 USD per meal.
• Transportation: Local buses or taxis within the islands can cost a few dollars per ride. Domestic flights within the Solomon Islands can range from $50-200 USD per flight, depending on the destination.
• Activities: Entrance fees for attractions, snorkeling or diving trips, or cultural experiences can range from $10-30 USD, but prices can vary.

1. Papua New Guinea:

• Accommodation: Budget accommodations can range from $30-70 USD per night, while mid-range hotels or guesthouses may cost around $70-150 USD per night or more.
• Food: Local eateries or markets can offer meals for around $5-10 USD, while mid-range restaurants can range from $10-30 USD per meal.
• Transportation: Local buses or taxis in cities like Port Moresby can cost a few dollars per ride. Domestic flights within Papua New Guinea can vary significantly depending on the destination and availability, but budget for $100-300 USD per flight.
• Activities: Entrance fees for attractions, guided tours, or cultural experiences can range from $10-30 USD, but prices can vary.

It’s important to note that these are rough estimates and costs can fluctuate based on personal preferences and travel styles. Additionally, prices mentioned here are subject to change and may vary depending on the season, exchange rates, and individual choices. It’s advisable to research further and consider creating a detailed budget based on your specific travel plans and preferences.