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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 and March are the most popular months to join a trip and we have 1,096 departures available and 18 unique itineraries to choose from.
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18 Trips (1,096 Trip Departures)
21 Day Vietnam & Cambodia Intro with Intro Travel
Tour
 (3)

21 Days Hanoi to Siem Reap
Operated By: Intro Travel
Departures: Mar 2026 to Nov 2027
Trip Styles: Small Group, 18-30's, Scenic
Visit: Vietnam, Cambodia
Exclusive Savings
From
US$2,445
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
G's February Sale
Exclusive Savings
From
US$3,204
Save 925
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
Exclusive Savings
From
US$3,515
Save 496
Per Person
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21 Day Ultimate New Zealand with Contiki
Tour

21 Days Auckland to Christchurch
Operated By: Contiki
Departures: Mar 2026 to Sep 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: New Zealand
Exclusive Savings
From
US$3,859
Save 572
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
Exclusive Savings
From
US$3,989
Save 97
Per Person
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21 Day Spain, Portugal & Morocco Highlights with Contiki
Tour

21 Days Madrid to Marrakesh
Operated By: Contiki
Departures: May 2026 to Sep 2026
Trip Styles: Coach, 18-30's, Scenic
Visit: Spain, Portugal, Morocco
Exclusive Savings
From
US$3,632
Save 463
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
G's February Sale
Exclusive Savings
From
US$3,273
Save 521
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 Lima to La Paz: Sandboarding & Sunsets (Inca Trail) with G Adventures
Tour

21 Days Lima to La Paz
Operated By: G Adventures
Departures: Jun 2026 to Dec 2027
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking, Inca Trail
Visit: Bolivia, Peru
G's February Sale
Exclusive Savings
From
US$2,567
Save 962
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: Mar 2026 to Dec 2028
Trip Styles: Adventure, Small Group, 18-30's
Visit: Indonesia
G's February Sale
Exclusive Savings
From
US$1,760
Save 659
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$1,211
Save 229
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: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Rail, 18-30's
Visit: Vietnam, Cambodia, Thailand
Exclusive Savings
From
US$1,644
Save 183
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
Exclusive Savings
From
US$3,805
Save 478
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: Jun 2026 to Dec 2027
Visit: Botswana, Zimbabwe, Namibia, South Africa
Exclusive Savings
From
US$2,909
Save 102
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: May 2026 to Feb 2028
Visit: Namibia, South Africa, Botswana, Zimbabwe, Zambia
G's February Sale
Exclusive Savings
From
US$2,390
Save 739
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
Exclusive Savings
From
US$1,842
Save 57
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
G's February Sale
Exclusive Savings
From
US$3,600
Save 1,349
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: Mar 2026 to Dec 2028
Visit: Malaysia, Thailand, Singapore
G's February Sale
Exclusive Savings
From
US$1,574
Save 550
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

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

18 to 30's Operators

Contiki G Adventures Intrepid Intro Travel Topdeck TruTravels

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