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3 Week Expedition Cruises

Explore our 3 week expedition cruises with 7 of the world's leading expedition cruise operators. January is the most popular month to join a cruise and we have 24 departures available and 12 unique itineraries to choose from.
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12 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 2027 to Jan 2028
Visit: Argentina, Antarctica, South Georgia Island, Falkland Islands
From
US$22,999
Per Person
View Trip
21 Day Scottish Isles, Iceland & Scoresbysund with Seabourn
Cruise

21 Days (20 Nights) Dublin to Reykjavik
Cruise Line: Seabourn
Ship: Seabourn Venture
Departure: 06 July 2026
Visit: Ireland, England, Scotland, Iceland, Greenland
Inside
-
Oceanview
-
Balcony
$17,424
Suite
$17,424
From
US$17,424
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
-
Suite
$43,100
From
US$43,100
Save 3,500
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
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
Preferred Fare + Bonus Savings
Exclusive Savings
Inside
-
Oceanview
-
Balcony
$28,575
Suite
$31,658
From
US$31,930
Save 3,673
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 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 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 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 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 Coral Coast Aventure with South Western Discovery with APT
New ReleaseTour + Cruise

21 Days Broome to Perth
Operated By: APT
Ship: Coral Adventurer
Departure: 05 September 2026
Trip Styles: Coach, Cruise, Scenic
Visit: Australia
Exclusive Savings
Inside
-
Oceanview
$12,895
Balcony
-
Suite
-
From
US$12,895
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
Results: 12 results

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Cruise Themes

Adults Only Cruises Christmas & New Year Cruises Expedition Cruises Family Cruises Island Hopping Cruises Luxury Cruises Northen Lights Cruises Sailing Trips Short Cruises Last Minute Cruise Deals

Trip Lengths

7 Day 10 Day 2 Week 3 Week 4 Week 1 Month

Departure Months

July August September October November January February June

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