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3 Week Expedition Cruises

Explore our 3 week expedition cruises with 8 of the world's leading expedition cruise operators. January and October are the most popular months to join a cruise and we have 26 departures available and 14 unique itineraries to choose from.
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14 Cruises (26 Cruise Departures)
21 Day Spirit of Shackleton with G Adventures
Cruise
 (1)

21 Days (20 Nights) Ushuaia to Ushuaia
Operated By: G Adventures
Departures: Jan 2027 to Jan 2028
Visit: Argentina, Antarctica, South Georgia Island, Falkland Islands
From
US$22,999
Per Person
View Trip
21 Day Ultimate Voyage: Australia’s East Coast & New Zealand’s Fjords with Scenic
New ReleaseCruise

21 Days (20 Nights) Sydney to Auckland
Cruise Line: Scenic
Ship: Scenic Eclipse II
Departure: 10 November 2028
Visit: Australia, New Zealand
Inside
-
Oceanview
-
Balcony
$28,590
Suite
$44,490
From
US$28,590
Per Person
View Trip
21 Day Scandinavian Discovery: From Copenhagen to Lisbon - Cruise & Land Journey with Scenic
New ReleaseTour + Cruise

21 Days Copenhagen to Lisbon
Operated By: Scenic
Ship: Scenic Eclipse II
Departure: 24 August 2026
Trip Styles: Coach, Cruise, Scenic
Visit: Denmark, Sweden, Norway, Holland (+5 more), England, France, Guernsey, Spain, Portugal
Inside
-
Oceanview
-
Balcony
$41,545
Suite
$53,095
From
US$41,545
Per Person
View Trip
21 Day South Georgia, Falklands & Antarctic Odyssey with Aurora Expeditions
New ReleaseCruise

21 Days (20 Nights) Ushuaia to Ushuaia
Cruise Line: Aurora Expeditions
Ships: Douglas Mawson
Departures: Mar 2027 to Mar 2028
Visit: Argentina, Antarctica, South Georgia Island, Falkland Islands
Inside
-
Oceanview
$32,395
Balcony
$34,195
Suite
$51,695
From
US$32,395
Per Person
View Trip
21 Day Highlights of Antarctica, Argentina and Brazil - Cruise & Land Journey with Scenic
Tour + Cruise

21 Days Rio de Janeiro to Buenos Aires
Operated By: Scenic
Ships: Scenic Eclipse II, Scenic Eclipse I, Scenic Ikon
Departures: Jan 2027 to Jan 2029
Trip Styles: Coach, Cruise, Scenic
Visit: Brazil, Argentina, Antarctica
Inside
-
Oceanview
-
Balcony
$31,930
Suite
$35,330
From
US$31,930
Per Person
View Trip
21 Day West Coast Discovery and Kimberley Coast Adventure with Travelmarvel
New ReleaseTour + Cruise

21 Days Perth to Darwin
Operated By: Travelmarvel
Ship: Heritage Adventurer
Departure: 01 August 2027
Trip Styles: Adventure, Small Group, Cruise, 4WD, Scenic
Visit: Australia
Inside
-
Oceanview
$13,395
Balcony
-
Suite
$14,695
From
US$13,395
Per Person
View Trip
21 Day South America Revealed with Galápagos Legend North and Central Cruise with Trafalgar
Tour + Cruise

21 Days Rio de Janeiro to Quito
Operated By: Trafalgar
Departures: Oct 2026 to Nov 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Today's Deal
Exclusive Savings
From
US$11,220
Save 630
Per Person
View Trip
21 Day Mysteries of the Inca Empire with Peru's Amazon & Galapagos Cruise with Cosmos
Tour + Cruise

21 Days Lima to Quito
Operated By: Cosmos
Departures: Jan 2027 to Oct 2027
Visit: Peru, Ecuador, Galapagos
From
US$9,262
Per Person
View Trip
21 Day South Georgia, Falklands & Antarctic Odyssey with Aurora Expeditions
New ReleaseCruise

21 Days (20 Nights) Ushuaia to Ushuaia
Cruise Line: Aurora Expeditions
Ship: Greg Mortimer
Departure: 25 October 2027
Visit: Argentina, Falkland Islands, South Georgia Island, Antarctica
Inside
-
Oceanview
$32,395
Balcony
$35,195
Suite
$51,795
From
US$32,395
Per Person
View Trip
21 Day Coral Coast Adventure with South Western Discovery with APT
New ReleaseTour + Cruise

21 Days Broome to Perth
Operated By: APT
Ship: Coral Adventurer
Departure: 02 October 2027
Trip Styles: Coach, Cruise, Scenic
Visit: Australia
Inside
-
Oceanview
$13,695
Balcony
$16,195
Suite
-
From
US$13,695
Per Person
View Trip
21 Day Valparaiso to Puerto Williams with Silversea
Cruise

21 Days (20 Nights) Valparaiso to Santiago
Cruise Line: Silversea
Ship: Silver Cloud
Departure: 15 November 2027
Visit: Chile, Argentina, Antarctica
All-Inclusive Plus Fare
Exclusive Savings
Inside
-
Oceanview
-
Balcony
$31,500
Suite
$42,200
From
US$31,500
Save 3,500
Per Person
View Trip
21 Day Ultimate Voyage: Caribbean Islands & the Panama Canal with Scenic
New ReleaseCruise

21 Days (20 Nights) Nassau to Panama City
Cruise Line: Scenic
Ship: Scenic Eclipse I
Departure: 04 October 2028
Visit: Bahamas, Turks and Caicos Islands, USA, Colombia, Panama
Inside
-
Oceanview
-
Balcony
$20,890
Suite
$32,605
From
US$20,890
Per Person
View Trip
21 Day South America Revealed with Galápagos Legend East Cruise with Trafalgar
Tour + Cruise

21 Days Rio de Janeiro to Quito
Operated By: Trafalgar
Departures: Sep 2026 to Nov 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Sign Up Savings
Today's Deal
Exclusive Savings
From
US$11,220
Save 630
Per Person
View Trip
21 Day Ultimate Voyage: Singapore, Malaysia & the Islands of Indonesia with Scenic
New ReleaseCruise

21 Days (20 Nights) Singapore to Denpasar
Cruise Line: Scenic
Ship: Scenic Eclipse II
Departure: 11 September 2028
Visit: Singapore, Malaysia, Thailand, Indonesia
Inside
-
Oceanview
-
Balcony
$24,890
Suite
$40,790
From
US$24,890
Per Person
View Trip
Results: 14 results

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