The Best 3-Week (21-Day) Tours in Australia

Karlu Karlu - Devils Marbles Conservation Reserve, Northern Territory, Australia Karlu Karlu - Devils Marbles Conservation Reserve, Northern Territory, Australia

Ready for a 21-day journey to Australia that combines relaxation, adventure, and cultural discovery? We've combed through a wide range of multi-day guided tours, meticulously analyzing them based on service, price, guest ratings, and activities. These 3-week tours to Australia are the absolute best based on these criteria, so that your trip planning can be easy and fun. They offer the perfect balance between a leisurely holiday and thrilling escapades, allowing you to immerse yourself in the essence of each destination for a full three weeks! From exploring famous landmarks to savoring the local cuisine, every activity on these guided tours is designed to provide an enriching and unforgettable experience. Get ready to embark on the adventure of a lifetime and make the most of your epic escape with one of these amazing tours below.


The Top 3:

  • 21 Days, $2583.75

  • 20 Days, $2749.00

  • 20 Days, $2699.00

Which 21-day tour options are available in Australia?

Australia

Here are the important factors:

  • 6 trip options analyzed
  • $226 average price per day (USD)
  • 20 to 21 days in length
  • 4.9 of 5 average rating
  • 25 people or less on average

Curious about the diverse range of tours lasting 3 weeks? Prepare to be amazed by the array of options available to suit every traveler's preferences. It comes as no surprise that visitors adore these tours, given their exceptional average guest rating of 4.9 out of 5 stars. When it comes to group sizes, the average maximum capacity stands at 25 people, allowing for a comfortable and sociable experience. The shortest tour is 20 days, while the longest is 21 days. With a comprehensive analysis encompassing 6 tours lasting 3 weeks, you can rest assured that Australia has something tailored to your interests and preferences, promising an unforgettable experience for all.

(All tour prices are in US Dollars before taxes, and come from a base price that is reported by TourRadar. Peak season prices can vary significantly, particularly in destinations where seasonal travel fluctuates dramatically.)

So, let's get to it and see...

The 6 Best 3-Week Tours in Australia
  • On Sale: 10% Off
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
by Ultimate Travel
starstarstarstarstar
4.8 rating



21 Days Sydney to Cairns 10 Destinations 25 People at Most Ages 18 to 35 Guest Rating: 4.8 out of 5 stars

This exceptional trip offering by Ultimate Travel has received a 4.8 out of 5 rating. On this 21-day trip you can unwind while also making new memories. Uncover the beauty of 10 destinations on this itinerary, with highlights such as Rainbow Beach, Fraser Island, Airlie Beach, and Whitsunday Islands. Sydney will mark the start of your journey, while Cairns will serve as its final destination. With a group size of 25 people, it's suitable for travelers aged 18 to 35 years old. This remarkable trip is priced at an unbeatable $111 per day.

  • Coach / Bus
  • Sightseeing
$2,584 $2,325
TourRadar

  • On Sale: 10% Off
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
  • High Quality: guest ratings are higher than average.
by INTRO Travel
starstarstarstarstar
5.0 rating



20 Days Brisbane to Cairns 9 Destinations 22 People at Most Ages 18 to 35 Guest Rating: 5.0 out of 5 stars

Check out this voyage that has received rave reviews, earning a stellar 5 out of 5 rating. Traverse through 9 enchanting destinations, with Great Barrier Reef, Noosa, Fraser Island, and Airlie Beach among the must-see stops along the route. Brisbane marks the starting point, while Cairns stands as the final stop on your incredible journey. Spanning across 20 unforgettable days, this voyage offers an intimate group experience with 22 participants, and it's great for travelers aged 18 to 35 years old. Brought to you by the renowned INTRO Travel, this exceptional opportunity is priced at an incredible $124 per day - an unbeatable value. Act now to take advantage of the special sale price!

  • Sightseeing
$2,749 $2,474
TourRadar

  • On Sale: 10% Off
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
by INTRO Travel
starstarstarstarstar
4.9 rating



20 Days Brisbane to Cairns 9 Destinations 22 People at Most Ages 18 to 35 Guest Rating: 4.9 out of 5 stars

This 20-day trip is ideal for travelers aged 18 to 35 years old. And priced at only $121 per day, it's a great value, too. This trip visits 9 destinations, including Noosa, Fraser Island, Airlie Beach, and Whitsundays along the way. Beginning in beautiful Brisbane, you'll have a terrific journey that ends in Cairns. It's offered by INTRO Travel, a very popular company with rave reviews and knowledgeable guides. It's currently on a special discounted offer.

  • Sightseeing
$2,699 $2,429
TourRadar

  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
by Stray Australia
starstarstarstarstar
4.7 rating



21 Days Sydney to Cairns 12 Destinations 24 People at Most Ages 18 to 39 Guest Rating: 4.7 out of 5 stars

Priced at just $203 per day, this terrific 21-day voyage is ideal for travelers aged 18 to 39 years old. Experience a trip that takes you to 12 remarkable destinations, including Byron Bay, Brisbane, Noosa, and Fraser Island. Sydney will mark the start of your journey, while Cairns will serve as its final destination. Organized by the reputable Stray Australia , this is one of the best tours on this list.

  • Coach / Bus
  • Beach
$4,261
TourRadar

  • High Quality: guest ratings are higher than average.
by Globus
starstarstarstarstar
5.0 rating



20 Days Auckland to Nadi 13 Destinations through New Zealand, Australia, Fiji 46 People at Most Ages 5 to 80 Guest Rating: 5.0 out of 5 stars

Check out this incredible trip that has received a 5 out of 5 rating from previous guests, visiting New Zealand, Australia, and Fiji. This terrific trip also highights wildlife, family-friendly activities, and safaris. With a duration of 20 days, this journey ensures an intimate group size of 46 people, and is good for travelers aged 5 to 80 years old. Explore 13 incredible locations on this trip, including Waitomo, Matamata, Rotorua, and Queenstown. Auckland marks the starting point, while Nadi stands as the final stop on your incredible journey. This fantastic option, organized by Globus, presents an unbeatable value at just $503 per day.

  • Wildlife
  • Family
  • Safari
$8,199
TourRadar

  • High Quality: guest ratings are higher than average.
by Sky Road Trail
starstarstarstarstar
5.0 rating



21 Days Start/End in Broome 10 Destinations 12 People at Most Ages 18 to 80 Guest Rating: 5.0 out of 5 stars

Spanning over 21 days, this trip has a maximum size of 12 individuals. Welcoming travelers aged 18 to 80 years old, it is organized by Sky Road Trail, a very popular company with plenty of great reviews. Discover a journey that spans 10 destinations, with notable stops in Fitzroy Crossing, Bungle Bungle National Park, Purnululu National Park, and Kununurra. You'll start and end this amazing trip in Broome. Available at an unbeatable price of only $291 per day, this option also has a rating of 5 out of 5 stars from previous guests.

  • Jeep & 4WD
  • Camping
$6,106
TourRadar

See also The Best Family-Friendly Tours to Australia, The Best Wildlife Tours to Australia, The Best Hiking & Trekking Tours in Australia, The Best Historical Tours in Australia, The Best 10-Day Tours in Australia, The Best One Week (7-Day) Tours in Australia, The Best 3-Day Tours in Australia, The Best 2-Week Tours in Australia, The Best 4-Week (1-Month) Tours in Australia, The Best Extended Trip Tours in Australia, One Month or Longer, The Best Bicycle Tours in Australia, Tours for Outdoor and Nature Lovers in Australia, The Best Christmas & New Years Tours in Australia, The Best Coach Bus Tours in Australia, The Best Adventure Tours to Australia, The Best Eco Tours in Australia, The Best Thrill-Seeking Tours in Australia, The Best Sightseeing Tours in Australia, The Best Cultural Tours in Australia, The Tours for Animal Lovers in Australia, The Best Volunteering Tours in Australia, The Best Camping Tours in Australia, The Best Romantic Tours for Couples in Australia, The Best Safaris in Australia, The Best Walking Tours in Australia, The Best Tours Under $1000 in Australia, The Best Luxury Tours to Australia, The Best Budget Tours to Australia, The Best Tours for Seniors to Australia, The Best Contiki Tours to Australia, or The Best G Adventures Tours to Australia for more tour ideas. With so many options, there's a guided tour or vacation package for every type of traveler.

Also, if you're departing from a specific destination, see The Best 3-Day Tours from Adelaide, The Best 3-Day Tours from Melbourne, The Best One-Week (7-Day) Tours from Sydney, The Best One-Week (7-Day) Tours from Perth, The Best One-Week (7-Day) Tours from Launceston, The Best One-Week (7-Day) Tours from Hobart, The Best One-Week (7-Day) Tours from Brisbane, The Best One-Week (7-Day) Tours from Cairns, The Best One-Week (7-Day) Tours from Darwin, The Best One-Week (7-Day) Tours from Alice Springs, The Best One-Week (7-Day) Tours from Melbourne, The Best 10-Day Tours from Sydney, The Best 10-Day Tours from Perth, The Best 10-Day Tours from Broome, The Best 10-Day Tours from Adelaide, The Best 10-Day Tours from Brisbane, The Best 2-Week Tours from Sydney, The Best 2-Week Tours from Melbourne, The Best 2-Week Tours from Perth, The Best 2-Week Tours from Hobart, The Best 2-Week Tours from Broome, or The Best 2-Week Tours from Brisbane for more package tour options.

How much do 21-day tours to Australia cost?

Average Daily Price 3-Week Tours
$226

After analyzing 6 tours lasting 3 weeks in Australia, we found the average price to be a remarkably economical $226 per day. Naturally, this region has many fantastic options for tours lasting 3 weeks with a variety of prices. The individual costs will vary by the destinations, travel style, available dates, and other factors. If you're interested in more information about tours here, see our guide to tour prices in Australia.

And for more information on Australia, see Australia Travel Costs and Australia Hotel Costs.


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