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3 Week Expedition Cruises

Explore our 3 week expedition cruises with 7 of the world's leading expedition cruise operators. August, September and November are the most popular months to join a cruise and we have 29 departures available and 10 unique itineraries to choose from.
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10 Cruises (29 Cruise Departures)
21 Day Spirit of Shackleton with G Adventures
Cruise
 (1)

21 Days (20 Nights) Ushuaia to Ushuaia
Operated By: G Adventures
Departure: 11 January 2027
Visit: Argentina, Antarctica, South Georgia Island, Falkland Islands
Exclusive Savings
From
US$22,309
Save 690
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: Jun 2026 to Nov 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Sign Up Savings
Exclusive Savings
From
US$11,454
Save 396
Per Person
View Trip
21 Day Arctic Canada And Greenland Expedition – Circumnavigating Baffin Bay with HX Expeditions
Cruise
 (2)

21 Days (20 Nights) Copenhagen to Copenhagen
Cruise Line: HX Expeditions
Ship: MS Roald Amundsen
Departure: 02 September 2026
Visit: Denmark, Greenland, Canada
Bonus Onboard Credit
Exclusive Savings
Inside
-
Oceanview
$16,680
Balcony
$19,404
Suite
$23,418
From
US$16,680
Save 1,593
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: Jun 2026 to Nov 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Sign Up Savings
Exclusive Savings
From
US$11,454
Save 396
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
Departures: Jan 2027 to Jan 2027
Trip Styles: Coach, Cruise, Scenic
Visit: Brazil, Argentina, Antarctica
Multiple Deals Available
Inside
-
Oceanview
-
Balcony
$27,400
Suite
$34,440
From
US$27,400
Save 26,615
Per Person
View Trip
21 Day Arctic Canada And Greenland Expedition – Circumnavigating Baffin Bay with HX Expeditions
Cruise
 (2)

21 Days (20 Nights) Reykjavik to Reykjavik
Cruise Line: HX Expeditions
Ship: MS Roald Amundsen
Departure: 02 September 2026
Visit: Iceland, Greenland, Canada
Bonus Onboard Credit
Exclusive Savings
Inside
-
Oceanview
$16,680
Balcony
$19,404
Suite
$23,418
From
US$16,680
Save 1,593
Per Person
View Trip
21 Day Cape Town to Mahe with Silversea
Cruise

21 Days (20 Nights) Cape Town to Mahe
Cruise Line: Silversea
Ship: Silver Cloud
Departure: 27 March 2026
Visit: South Africa, Mozambique, Tanzania, Seychelles
All-Inclusive Plus Fare
Exclusive Savings
Inside
-
Oceanview
-
Balcony
$18,880
Suite
-
From
US$18,880
Save 4,720
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
Early Booking Savings
Exclusive Savings
Inside
-
Oceanview
-
Balcony
$21,255
Suite
$27,536
From
US$21,255
Save 15,890
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
Explore More
Exclusive Savings
Inside
-
Oceanview
-
Balcony
-
Suite
$19,972
From
US$19,972
Save 342
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: Nov 2026 to Oct 2027
Visit: Peru, Ecuador, Galapagos
Exclusive Savings
From
US$8,310
Save 284
Per Person
View Trip
Results: 10 results

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Trip Lengths

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

Departure Months

March June July August September October November January February

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