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3 Week Trips through Asia

Looking to explore Asia for 3 weeks? Then choose from our range of river cruises and guided land tours with 9 of the best tour operators & cruise lines to Asia. October is the most popular month to travel through Asia and we have 813 departures available.
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20 trips (813 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
View Trip
21 Day Grand Tour of Vietnam & Cambodia with Emerald Cruises
River Cruise
 (5)

21 Days Hanoi to Siem Reap
Cruise Line: Emerald Cruises
Ships: Emerald Harmony
Departures: Apr 2026 to Nov 2027
Rivers: Mekong
Visit: Vietnam, Cambodia
Early Payment Discount
Exclusive Savings
Inside
-
River View
$7,520
Balcony
$7,316
Suite
$10,236
From
US$7,316
Save 7,228
Per Person
View Trip
21 Day Ancient Kingdoms of Japan and South Korea with APT
Tour

21 Days Seoul to Osaka
Operated By: APT
Departures: May 2026 to Oct 2026
Trip Styles: Coach, Rail, Scenic
Visit: South Korea, Japan
Exclusive Savings
From
US$17,354
Save 345
Per Person
View Trip
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
View Trip
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
View Trip
21 Day Walking in Vietnam & Cambodia Highlights with Explore Worldwide
Tour

21 Days Hanoi to Siem Reap
Operated By: Explore Worldwide
Departures: Feb 2026 to Dec 2026
Visit: Vietnam, Cambodia
Exclusive Savings
From
US$3,152
Save 98
Per Person
View Trip
21 Day Vietnam Explorer with Explore Worldwide
Tour

21 Days Hanoi to Ho Chi Minh city
Operated By: Explore Worldwide
Departures: Feb 2026 to Dec 2026
Trip Styles: Adventure, Small Group
Visit: Vietnam
Exclusive Savings
From
US$3,201
Save 99
Per Person
View Trip
21 Day Indonesia: Java, Bali & Komodo Island with G Adventures
New ReleaseTour

21 Days Yogyakarta to Labuan Bajo
Operated By: G Adventures
Departures: May 2026 to Aug 2027
Trip Styles: Adventure, Small Group
Visit: Indonesia
G's February Sale
Exclusive Savings
From
US$2,700
Save 817
Per Person
View Trip
21 Day Grand Tour of Vietnam & Cambodia with Emerald Cruises
River Cruise
 (5)

21 Days Hanoi to Ho Chi Minh City
Cruise Line: Emerald Cruises
Ships: Emerald Harmony
Departures: Oct 2026 to Nov 2027
Rivers: Mekong
Visit: Vietnam, Cambodia
Early Payment Discount
Exclusive Savings
Inside
-
River View
$7,035
Balcony
$7,520
Suite
$9,751
From
US$7,035
Save 7,228
Per Person
View Trip
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
View Trip
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$3,331
Save 474
Per Person
View Trip
21 Day Discover Darjeeling & Bhutan with Explore Worldwide
Tour

21 Days Kolkata to Kathmandu
Operated By: Explore Worldwide
Departures: Oct 2026 to Oct 2026
Visit: Nepal, Bhutan, India
Exclusive Savings
From
US$7,139
Save 221
Per Person
View Trip
21 Day Absolute Active Japan with G Adventures
New ReleaseTour

21 Days Tokyo to Ishigaki
Operated By: G Adventures
Departures: Jul 2026 to Sep 2028
Visit: Japan
G's February Sale
Exclusive Savings
From
US$7,837
Save 2,262
Per Person
View Trip
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 164
Per Person
View Trip
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
View Trip
21 Day Best of Java & Sumatra with G Adventures
New ReleaseTour

21 Days Medan to Surabaya
Operated By: G Adventures
Departures: Apr 2026 to Sep 2027
Trip Styles: Adventure, Small Group
Visit: Indonesia
G's February Sale
Exclusive Savings
From
US$2,288
Save 712
Per Person
View Trip
21 Day Colors of India's Golden Triangle & Rajasthan with Varanasi, Khajuraho & Kerala with Cosmos
New ReleaseTour

21 Days Delhi to Kumarakom
Operated By: Cosmos
Departures: Oct 2026 to Nov 2027
Trip Styles: Coach, Scenic
Visit: India
Exclusive Savings
From
US$5,400
Save 194
Per Person
View Trip
21 Day The Five Stans of The Silk Road with Explore Worldwide
Tour

21 Days Bishkek to Ashgabat
Operated By: Explore Worldwide
Departures: May 2026 to Sep 2026
Trip Styles: Adventure, Small Group, Off The Beaten Track
Visit: Kyrgyzstan, Uzbekistan, Kazakhstan, Tajikistan, Turkmenistan
Exclusive Savings
From
US$6,984
Save 225
Per Person
View Trip
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
G's February Sale
Exclusive Savings
From
US$1,760
Save 659
Per Person
View Trip
21 Day Mera Peak Climb with Exodus Tours
New ReleaseTour

21 Days Kathmandu to Kathmandu
Operated By: Exodus Tours
Departures: Oct 2026 to Nov 2027
Visit: Nepal
Sign Up Savings
Exclusive Savings
From
US$5,500
Save 848
Per Person
View Trip
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