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3 Week Expedition Cruises

Explore our 3 week expedition cruises with 8 of the world's leading expedition cruise operators. June, August and October are the most popular months to join a cruise and we have 24 departures available and 10 unique itineraries to choose from.
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10 Cruises (24 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 2025 to Jan 2026
Trip Styles: Group, Cruise
Countries Visited: Argentina, Antarctica, South Georgia Island, Falkland Islands
Exclusive Savings
Save 568
From 25,283
View Trip
21 Day Transarctic, the Quest for the Two North Poles with Ponant
Cruise

21 Days (20 Nights) Paris to Seattle
Cruise Line: Ponant
Ship: Le Commandant-Charcot
Departure: 05 September 2025
Countries Visited: France, Norway, Arctic, USA
Exclusive Savings
INSIDE
-
OCEANVIEW
-
BALCONY
$67,207
SUITE
$71,597
Save 1,340
From 67,207
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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: Aug 2024 to Nov 2024
Trip Styles: Coach, Group, Cruise, Island Hopping, Wildlife, Scenic
Countries Visited: Brazil, Argentina, Peru, Ecuador
Exclusive Savings
From 19,560
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21 Day Grand Greenland – Farthest North To Thule And Kane Basin with Hurtigruten
Cruise

21 Days (20 Nights) Reykjavik to Reykjavik
Cruise Line: Hurtigruten
Ship: MS Fridtjof Nansen
Departure: 29 July 2025
Countries Visited: Iceland, Greenland
Exclusive Deal
INSIDE
-
OCEANVIEW
$37,317
BALCONY
$43,010
SUITE
$49,898
Save 7,941
From 37,317
View Trip
21 Day Essence of the Kimberley with Kimberley Coastal Expedition with APT
Tour + Cruise

21 Days Broome to Darwin
Operated By: APT
Departure: 03 June 2024
Trip Styles: Adventure, Small Group, Cruise, 4WD, Scenic
Countries Visited: Australia
Exclusive Savings
Save 436
From 22,754
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21 Day Easter & Pitcairn Islands: Marooned, Moai & Mutineers with Seabourn
Cruise

21 Days (20 Nights) San Antonio to Papeete
Cruise Line: Seabourn
Ship: Pursuit
Departure: 18 March 2025
Countries Visited: Chile, Easter Island, Pitcairn Islands, French Polynesia
Exclusive Deal
INSIDE
-
OCEANVIEW
-
BALCONY
$28,136
SUITE
$39,224
From 28,136
View Trip
21 Day Essence of the Kimberley with Kimberley Coastal Expedition (Reverse) with APT
Tour + Cruise

21 Days Broome to Darwin
Operated By: APT
Departures: Jun 2024 to Aug 2024
Trip Styles: Adventure, Small Group, Cruise, 4WD, Scenic
Countries Visited: Australia
Exclusive Deal
Save 3,683
From 19,507
View Trip
21 Day Shackleton's Falklands, South Georgia and Antarctica Expedition (Ocean Endeavour) with Intrepid Travel
Cruise

21 Days (20 Nights) Puerto Madryn to Ushuaia
Operated By: Intrepid Travel
Departure: 30 October 2024
Trip Styles: Group, Cruise
Countries Visited: Antarctica, Argentina, Falkland Islands, South Georgia Island
Limited Time Sale
Save 3,667
From 19,463
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: Oct 2024 to Jun 2025
Trip Styles: Coach, Group, Cruise, Island Hopping, Wildlife, Scenic
Countries Visited: Peru, Ecuador, Galapagos
Exclusive Savings
Save 179
From 11,704
View Trip
21 Day Easter & Pitcairn Islands: Marooned, Moai & Mutineers with Seabourn
Cruise

21 Days (20 Nights) Papeete to San Antonio
Cruise Line: Seabourn
Ship: Pursuit
Departures: Sep 2024 to Oct 2025
Countries Visited: French Polynesia, Pitcairn Islands, Easter Island, Chile
Exclusive Deal
INSIDE
-
OCEANVIEW
-
BALCONY
$23,481
SUITE
$34,939
From 23,481
View Trip
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