3 Week Adults Only Cruises

Explore our 3 week adults only cruises with 3 of the world's leading adults only cruise operators. October is the most popular month to join a cruise and we have 33 departures available and 28 unique itineraries to choose from.
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28 Cruises (33 Cruise Departures)
Cruise
 (1)

21 Days (20 Nights) Miami to Miami
Cruise Line: Oceania Cruises
Departure: 03 December 2024
Countries Visited: USA, Mexico, Belize, Guatemala (+10 more), Honduras, Costa Rica, Panama, Colombia, Aruba, Curacao, Saint Lucia, Saint Barthelemy, Puerto Rico, Dominican Republic
Exclusive Deal
INSIDE
-
OCEANVIEW
$6,362
BALCONY
$8,659
SUITE
$12,352
Save 2,038
From 6,362
Cruise
 (4)

21 Days (20 Nights) Fort Lauderdale to Rome
Cruise Line: Viking Cruises
Ship: Viking Mars
Departures: Mar 2025 to Feb 2026
Countries Visited: USA, Sint Maarten, Portugal, Spain (+3 more), France, Monaco, Italy
Discover More Sale
INSIDE
-
OCEANVIEW
-
BALCONY
$10,885
SUITE
$18,310
Save 1,948
From 10,885
Cruise
 (2)

21 Days (20 Nights) London to New York
Cruise Line: Cunard
Ship: Queen Mary 2
Departure: 14 December 2024
Countries Visited: England, USA, Sint Maarten, Dominica (+3 more), Saint Lucia, Barbados, Saint Kitts and Nevis
INSIDE
$5,787
OCEANVIEW
$7,609
BALCONY
$8,391
SUITE
-
From 5,787
Cruise
 (1)

21 Days (20 Nights) Rome to Istanbul
Cruise Line: Oceania Cruises
Departure: 07 July 2025
Countries Visited: Italy, Sicily, Greece, Albania (+4 more), Montenegro, Croatia, Slovenia, Turkey
Exclusive Deal
INSIDE
$9,510
OCEANVIEW
$10,579
BALCONY
$15,004
SUITE
$19,925
Save 2,070
From 9,510
Cruise
 (1)

21 Days (20 Nights) Rome to Athens
Cruise Line: Oceania Cruises
Departure: 22 August 2025
Countries Visited: Italy, Sicily, Malta, Greece (+4 more), Albania, Montenegro, Croatia, Turkey
Exclusive Deal
INSIDE
$9,273
OCEANVIEW
$10,183
BALCONY
$14,609
SUITE
$19,687
Save 2,067
From 9,273
Cruise
 (1)

21 Days (20 Nights) Athens to Rome
Cruise Line: Oceania Cruises
Departure: 15 October 2024
Countries Visited: Greece, Turkey, Italy, Croatia (+3 more), Montenegro, Malta, Sicily
Exclusive Deal
INSIDE
-
OCEANVIEW
-
BALCONY
$13,132
SUITE
$18,052
Save 2,108
From 13,132
Cruise
 (2)

21 Days (20 Nights) Mumbai to Singapore
Cruise Line: Oceania Cruises
Departure: 11 March 2026
Countries Visited: India, Maldives, Sri Lanka, Thailand (+2 more), Malaysia, Singapore
Exclusive Deal
INSIDE
$10,850
OCEANVIEW
$11,761
BALCONY
$16,345
SUITE
$25,839
Save 2,090
From 10,850
Cruise
 (2)

21 Days (20 Nights) Dubai to London
Cruise Line: Cunard
Ship: Queen Mary 2
Departure: 10 April 2026
Countries Visited: United Arab Emirates, Oman, Egypt, Greece (+2 more), Spain, England
INSIDE
$4,263
OCEANVIEW
$6,243
BALCONY
$6,441
SUITE
-
From 4,263
Cruise
 (1)

21 Days (20 Nights) Trieste to Istanbul
Cruise Line: Oceania Cruises
Departure: 27 June 2024
Countries Visited: Italy, Croatia, Montenegro, Greece (+2 more), Cyprus, Turkey
Exclusive Deal
INSIDE
$10,993
OCEANVIEW
$12,517
BALCONY
-
SUITE
-
Save 2,087
From 10,993
Cruise
 (2)

21 Days (20 Nights) Miami to Miami
Cruise Line: Oceania Cruises
Departure: 23 March 2025
Countries Visited: USA, Mexico, Guatemala, Belize (+8 more), Honduras, Costa Rica, Panama, Colombia, Aruba, Curacao, Bonaire, Jamaica
Exclusive Deal
INSIDE
$8,700
OCEANVIEW
$9,462
BALCONY
$13,591
SUITE
$18,659
Save 2,050
From 8,700
Cruise
 (1)

21 Days (20 Nights) Seattle to Tokyo
Cruise Line: Oceania Cruises
Departure: 18 September 2025
Countries Visited: USA, Japan
Exclusive Deal
INSIDE
$8,141
OCEANVIEW
$9,369
BALCONY
$10,587
SUITE
$15,497
Save 2,059
From 8,141
Cruise
 (2)

21 Days (20 Nights) New York to London
Cruise Line: Cunard
Ship: Queen Mary 2
Departure: 22 December 2025
Countries Visited: USA, Virgin Islands, Saint Kitts and Nevis, Antigua and Barbuda (+2 more), Sint Maarten, England
INSIDE
$4,649
OCEANVIEW
$6,599
BALCONY
$6,788
SUITE
$17,430
From 4,649
Cruise
 (2)

21 Days (20 Nights) Rome to Lisbon
Cruise Line: Oceania Cruises
Departure: 18 October 2025
Countries Visited: Italy, Sicily, Malta, Tunisia (+5 more), Monaco, France, Spain, Portugal, Morocco
Exclusive Deal
INSIDE
$8,578
OCEANVIEW
$9,647
BALCONY
$13,924
SUITE
$18,993
Save 2,062
From 8,578
Cruise
 (1)

21 Days (20 Nights) Istanbul to Dubai
Cruise Line: Oceania Cruises
Departure: 20 November 2025
Countries Visited: Turkey, Greece, Cyprus, Israel (+5 more), Jordan, Egypt, Saudi Arabia, Oman, United Arab Emirates
Exclusive Deal
INSIDE
$9,323
OCEANVIEW
$10,243
BALCONY
$14,213
SUITE
$20,351
Save 2,067
From 9,323
Cruise

21 Days (20 Nights) Sydney to Perth
Cruise Line: Oceania Cruises
Departure: 22 December 2024
Countries Visited: Australia, Indonesia
Exclusive Deal
INSIDE
$10,628
OCEANVIEW
$11,242
BALCONY
$14,222
SUITE
$22,271
Save 2,082
From 10,628
Cruise

21 Days (20 Nights) Cape Town to Hamburg
Cruise Line: Cunard
Ship: Queen Anne
Departure: 12 April 2026
Countries Visited: South Africa, Namibia, Senegal, Spain (+3 more), Portugal, England, Germany
INSIDE
$4,016
OCEANVIEW
$6,679
BALCONY
$7,332
SUITE
$13,421
From 4,016
Cruise

21 Days (20 Nights) Dubai to Barcelona
Cruise Line: Oceania Cruises
Departure: 13 May 2026
Countries Visited: United Arab Emirates, Oman, Saudi Arabia, Egypt (+5 more), Greece, Sicily, Italy, Sardinia, Spain
Exclusive Deal
INSIDE
-
OCEANVIEW
-
BALCONY
$13,312
SUITE
$20,974
Save 2,108
From 13,312
Cruise

21 Days (20 Nights) Valletta to Barcelona
Cruise Line: Oceania Cruises
Departure: 16 October 2024
Countries Visited: Malta, Montenegro, Croatia, Italy (+8 more), Greece, Sicily, Tunisia, Sardinia, Corsica, Monaco, France, Spain
Exclusive Deal
INSIDE
-
OCEANVIEW
-
BALCONY
-
SUITE
$18,565
Save 2,165
From 18,565
Cruise

21 Days (20 Nights) Sydney to Singapore
Cruise Line: Oceania Cruises
Departure: 10 March 2025
Countries Visited: Australia, Papua New Guinea, Indonesia, Singapore
Mutiple Deals Available
INSIDE
$8,987
OCEANVIEW
$9,749
BALCONY
$12,343
SUITE
$17,867
Save 2,063
From 8,987
Cruise

21 Days (20 Nights) Tampa to Miami
Cruise Line: Oceania Cruises
Departure: 25 March 2026
Countries Visited: USA, Mexico, Belize, Honduras (+7 more), Costa Rica, Panama, Colombia, Curacao, Aruba, Jamaica, Cayman Islands
Exclusive Deal
INSIDE
$8,894
OCEANVIEW
$9,804
BALCONY
$14,388
SUITE
$20,071
Save 2,056
From 8,894
Cruise

21 Days (20 Nights) Athens to Mumbai
Cruise Line: Viking Cruises
Departures: Oct 2024 to Dec 2025
Countries Visited: Greece, Israel, Egypt, Jordan (+3 more), Saudi Arabia, Oman, India
Discover More Sale
INSIDE
-
OCEANVIEW
-
BALCONY
$14,845
SUITE
$24,745
Save 1,183
From 14,845
Cruise

21 Days (20 Nights) Mumbai to Athens
Cruise Line: Viking Cruises
Departures: Apr 2025 to Apr 2026
Countries Visited: India, Oman, Saudi Arabia, Jordan (+3 more), Egypt, Israel, Greece
Discover More Sale
INSIDE
-
OCEANVIEW
-
BALCONY
$14,845
SUITE
$24,745
Save 1,183
From 14,845
Cruise

21 Days (20 Nights) Rome to Lisbon
Cruise Line: Oceania Cruises
Departure: 26 October 2024
Countries Visited: Italy, Sicily, Malta, Tunisia (+7 more), Sardinia, Corsica, Monaco, France, Spain, Morocco, Portugal
Exclusive Deal
INSIDE
-
OCEANVIEW
-
BALCONY
$12,449
SUITE
-
Save 2,101
From 12,449
Cruise

21 Days (20 Nights) Taipei to Perth
Cruise Line: Oceania Cruises
Departure: 14 April 2025
Countries Visited: Taiwan, Philippines, Malaysia, Brunei (+2 more), Indonesia, Australia
Exclusive Deal
INSIDE
-
OCEANVIEW
$10,320
BALCONY
$13,062
SUITE
-
Save 2,080
From 10,320
Cruise

21 Days (20 Nights) Oslo to Copenhagen
Cruise Line: Oceania Cruises
Departure: 06 July 2024
Countries Visited: Norway, Denmark, Scotland, England (+4 more), Sweden, Germany, Lithuania, Poland
Exclusive Deal
INSIDE
$11,698
OCEANVIEW
-
BALCONY
$15,668
SUITE
-
Save 2,092
From 11,698
Cruise

21 Days (20 Nights) Hong Kong to Bali
Cruise Line: Oceania Cruises
Departure: 03 June 2025
Countries Visited: Hong Kong, Vietnam, Cambodia, Thailand (+2 more), Singapore, Indonesia
Exclusive DealPre Cruise Stay
INSIDE
$10,783
OCEANVIEW
$11,615
BALCONY
$15,357
SUITE
$23,792
Save 2,087
From 10,783
Cruise

21 Days (20 Nights) San Diego to New York
Cruise Line: Oceania Cruises
Departure: 03 July 2025
Countries Visited: USA, Mexico, Guatemala, Nicaragua (+3 more), Costa Rica, Colombia, Cayman Islands
Exclusive Deal
INSIDE
$9,135
OCEANVIEW
$9,590
BALCONY
$13,095
SUITE
$19,698
Save 2,065
From 9,135
Cruise

21 Days (20 Nights) Dubai to Cape Town
Cruise Line: Oceania Cruises
Departure: 13 May 2024
Countries Visited: United Arab Emirates, Seychelles, Kenya, Tanzania (+2 more), Mozambique, South Africa
Exclusive DealSingles Special Offer
INSIDE
$7,335
OCEANVIEW
$7,870
BALCONY
$10,394
SUITE
$13,631
Save 2,055
From 7,335
Results: 28 results

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