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3 Week 18 to 30's Trips

Explore our 3 week 18 to 30's trips with 4 of the world's leading 18 to 30's trip operators. June, July and March are the most popular months to join a trip and we have 1,162 departures available and 18 unique itineraries to choose from.
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18 Trips (1,162 Trip Departures)
21 Day Vietnam & Cambodia Intro with Intro Travel
Tour
 (3)

21 Days Hanoi to Siem Reap
Operated By: Intro Travel
Departures: Apr 2026 to Nov 2027
Trip Styles: Small Group, 18-30's, Scenic
Visit: Vietnam, Cambodia
Exclusive Savings
From
US$2,517
Save 137
Per Person
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21 Day Essential Europe: Italy, Croatia & Mediterranean Magic with G Adventures
New ReleaseTour
 (1)

21 Days Munich to Corfu
Operated By: G Adventures
Departures: May 2026 to Sep 2026
Trip Styles: Adventure, Small Group, 18-30's
Visit: Albania, Austria, Greece, Montenegro, Germany, Italy, Croatia
Great Adventure Sale
Exclusive Savings
From
US$3,324
Save 838
Per Person
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21 Day USA: LA to Miami with Contiki
Tour
 (1)

21 Days Los Angeles to Miami
Operated By: Contiki
Departures: Apr 2026 to Dec 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: USA
Worldwide Sale
Exclusive Savings
From
US$3,418
Save 567
Per Person
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21 Day Epic Vietnam to Cambodia with Intrepid Travel
Tour

21 Days Hanoi to Bangkok
Operated By: Intrepid Travel
Departures: Feb 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Rail, 18-30's
Visit: Vietnam, Cambodia, Thailand
Exclusive Savings
From
US$1,464
Save 366
Per Person
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21 Day North to South India: The Taj Mahal & Goa Good Times with G Adventures
Tour

21 Days Delhi to Kochi
Operated By: G Adventures
Departures: Apr 2026 to Jul 2026
Trip Styles: Adventure, Small Group, 18-30's
Visit: India
Great Adventure Sale
Exclusive Savings
From
US$1,424
Save 475
Per Person
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21 Day Spain, Portugal & Morocco Highlights with Contiki
Tour

21 Days Madrid to Marrakesh
Operated By: Contiki
Departures: Jun 2026 to Aug 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: Spain, Portugal, Morocco
Worldwide Sale
Exclusive Savings
From
US$3,189
Save 258
Per Person
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21 Day Thailand & Vietnam: Mountains & Coastlines with G Adventures
Tour

21 Days Bangkok to Ho Chi Minh City
Operated By: G Adventures
Departure: 08 March 2026
Trip Styles: Adventure, Small Group, 18-30's
Visit: Vietnam, Thailand
Exclusive Savings
From
US$2,017
Save 62
Per Person
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21 Day Epic India to Nepal with Intrepid Travel
Tour

21 Days Delhi to Kathmandu
Operated By: Intrepid Travel
Departures: Mar 2026 to Dec 2027
Visit: India, Nepal
Exclusive Savings
From
US$1,282
Save 157
Per Person
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21 Day Southern Africa Northbound: Dunes, Deltas & Falls with G Adventures
Tour

21 Days Cape Town to Victoria Falls
Operated By: G Adventures
Departures: Apr 2026 to Dec 2027
Visit: Botswana, Zimbabwe, Namibia, South Africa
Exclusive Savings
From
US$2,473
Save 526
Per Person
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21 Day Ultimate New Zealand with Contiki
Tour

21 Days Auckland to Christchurch
Operated By: Contiki
Departures: Feb 2026 to Sep 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: New Zealand
Worldwide Sale
Exclusive Savings
From
US$3,607
Save 507
Per Person
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21 Day Paris to Berlin: Art & the Alps with G Adventures
Tour

21 Days Paris to Berlin
Operated By: G Adventures
Departures: Apr 2026 to Oct 2027
Trip Styles: Adventure, Small Group, Rail, 18-30's
Visit: Slovenia, Austria, Poland, Czech Republic (+5 more), Germany, Switzerland, Italy, France, Hungary
Great Adventure Sale
Exclusive Savings
From
US$3,984
Save 1,004
Per Person
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21 Day Indonesia Adventure: Java & Bali with G Adventures
Tour

21 Days Jakarta to Gili Trawangan
Operated By: G Adventures
Departures: Feb 2026 to Dec 2028
Trip Styles: Adventure, Small Group, 18-30's
Visit: Indonesia
Great Adventure Sale
Exclusive Savings
From
US$1,760
Save 741
Per Person
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21 Day Ultimate New Zealand with Contiki
Tour

21 Days Christchurch to Auckland
Operated By: Contiki
Departures: Mar 2026 to May 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: New Zealand
Worldwide Sale
Exclusive Savings
From
US$3,449
Save 699
Per Person
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21 Day Best of New Zealand: Mountain Biking & Black-Sand Beaches with G Adventures
Tour

21 Days Auckland to Wellington
Operated By: G Adventures
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, 18-30's
Visit: New Zealand
Great Adventure Sale
Exclusive Savings
From
US$3,018
Save 857
Per Person
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21 Day Southeast Asia: Hilltribes & Street Food with G Adventures
Tour

21 Days Bangkok to Singapore
Operated By: G Adventures
Departures: Feb 2026 to Dec 2028
Visit: Malaysia, Thailand, Singapore
Great Adventure Sale
Exclusive Savings
From
US$1,690
Save 448
Per Person
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21 Day Southern Africa Southbound: Dunes, Deltas & Falls with G Adventures
Tour

21 Days Victoria Falls to Cape Town
Operated By: G Adventures
Departures: Mar 2026 to Feb 2028
Visit: Namibia, South Africa, Botswana, Zimbabwe, Zambia
Exclusive Savings
From
US$2,250
Save 649
Per Person
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21 Day Thailand, Malaysia and Singapore Escapade with Contiki
Tour

21 Days Bangkok to Singapore
Operated By: Contiki
Departures: Mar 2026 to Mar 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: Thailand, Malaysia, Singapore
Worldwide Sale
Exclusive Savings
From
US$3,331
Save 474
Per Person
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21 Day Lima to La Paz: Sandboarding & Sunsets (Inca Trail) with G Adventures
Tour

21 Days Lima to La Paz
Operated By: G Adventures
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking, Inca Trail
Visit: Bolivia, Peru
Great Adventure Sale
Exclusive Savings
From
US$2,322
Save 1,097
Per Person
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Results: 18 results

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18 to 30's Trip Styles

18 to 30's Coach Tours 18 to 30's Festivals 18 to 30's Island Hopping Trips 18 to 30's Rail Journeys 18 to 30's Sailing Trips 18 to 30's Ski Trips 18 to 30's Trips 18 to 30's Walking & Hiking Tours 18 to 30's Winter Tours

Trip Lengths

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

Departure Months

February March April May June July August September October November December January

18 to 30's Operators

Contiki G Adventures Intrepid Intro Travel Topdeck TruTravels

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