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3 Week Trips to South East Asia

Looking to explore South East Asia for 3 weeks? Then choose from our range of river cruises, adventures and guided tours with 7 of the best tour operators to South East Asia. November, March and April are the most popular months to travel to South East Asia and we have 429 departures available.
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13 trips (429 Departures)
13 trips (429 Departures)
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Price
$1,900pp
$17,890pp
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21 Day Best of Vietnam and Cambodia with APT
Tour + River Cruise
 (6)

21 Days Hanoi to Siem Reap
Operator: APT
Ships: Mekong Serenity
Departures: Oct 2026 to Apr 2028
Rivers: Mekong
Visits: Vietnam, Cambodia
Exclusive Savings
Balcony
$12,169
Suite
$13,928
From (Per Person)
A$12,169
Save 3,732
Per Person
View Trip
21 Day Best of Vietnam and Cambodia with APT
Tour + River Cruise
 (3)

21 Days Ho Chi Minh City to Ho Chi Minh City
Operator: APT
Ships: Mekong Serenity
Departures: Oct 2026 to Apr 2028
Rivers: Mekong
Visits: Vietnam, Cambodia
Exclusive Savings
Balcony
$12,757
Suite
$14,614
From (Per Person)
A$12,757
Save 3,244
Per Person
View Trip
21 Day Vietnam & Cambodia Intro with Intro Travel
Tour
 (3)

21 Days Hanoi to Siem Reap
Operator: Intro Travel
Departures: Aug 2026 to Nov 2027
Trip Styles: Small Group, 18-30's, Scenic, Ha Long Bay
Visits: Vietnam, Cambodia
Exclusive Savings
From (Per Person)
A$3,879
Save 126
Per Person
View Trip
21 Day Grand Tour of Vietnam & Cambodia with Emerald Cruises
Tour + River Cruise
 (6)

21 Days Hanoi to Siem Reap
Operator: Emerald Cruises
Ship: Emerald Harmony
Departures: Feb 2027 to May 2028
Rivers: Mekong
Visits: Vietnam, Cambodia
Exclusive Savings
River View
$9,032
Balcony
$9,924
Suite
$12,100
From (Per Person)
A$9,032
Save 1,698
Per Person
View Trip
21 Day Grand Tour of Vietnam & Cambodia with Emerald Cruises
Tour + River Cruise
 (6)

21 Days Hanoi to Ho Chi Minh City
Operator: Emerald Cruises
Ships: Emerald Harmony
Departures: Oct 2026 to Apr 2028
Rivers: Mekong
Visits: Vietnam, Cambodia
Exclusive Savings
River View
$9,718
Balcony
$10,610
Suite
$12,786
From (Per Person)
A$9,718
Save 1,698
Per Person
View Trip
21 Day Indonesia Adventure: Java & Bali with G Adventures
Tour

21 Days Jakarta to Gili Trawangan
Operator: G Adventures
Departures: Sep 2026 to Dec 2026
Trip Styles: Adventure, Small Group, 18-30's
Visits: Indonesia
Exclusive Savings
From (Per Person)
A$2,425
Save 1,270
Per Person
View Trip
21 Day Mekong Explorer with Wendy Wu Tours
New ReleaseTour + River CruiseFlights Included

21 Days Hanoi to Siem Reap
Operator: Wendy Wu
Departures: Mar 2027 to Nov 2028
Rivers: Mekong
Visits: Cambodia, Vietnam
Exclusive Savings
From (Per Person)
A$9,986
Save 924
Per Person
View Trip
21 Day Walking in Vietnam & Cambodia Highlights with Explore Worldwide
Tour

21 Days Hanoi to Siem Reap
Operator: Explore
Departures: Oct 2026 to Oct 2027
Trip Styles: Adventure, Coach, Small Group, Walking & Hiking, Scenic
Visits: Vietnam, Cambodia
Exclusive Savings
From (Per Person)
A$4,273
Save 607
Per Person
View Trip
21 Day Vietnam Explorer with Explore Worldwide
Tour

21 Days Hanoi to Ho Chi Minh city
Operator: Explore
Departure: 08 November 2026
Trip Styles: Adventure, Small Group
Visits: Vietnam
Exclusive Savings
From (Per Person)
A$4,694
Save 526
Per Person
View Trip
21 Day Best of Java & Sumatra with G Adventures
New ReleaseTour

21 Days Medan to Surabaya
Operator: G Adventures
Departures: Sep 2026 to Sep 2027
Trip Styles: Adventure, Small Group
Visits: Indonesia
Exclusive Savings
From (Per Person)
A$4,360
Save 98
Per Person
View Trip
21 Day Southeast Asia: Hilltribes & Street Food with G Adventures
Tour

21 Days Bangkok to Singapore
Operator: G Adventures
Departures: Aug 2026 to Dec 2028
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking
Visits: Malaysia, Thailand, Singapore
Exclusive Savings
From (Per Person)
A$1,941
Save 888
Per Person
View Trip
21 Day Thailand, Malaysia and Singapore Escapade with Contiki
Tour

21 Days Bangkok to Singapore
Operator: Contiki
Departures: Nov 2026 to Mar 2028
Trip Styles: Coach, 18-30's, Scenic
Visits: Thailand, Malaysia, Singapore
Exclusive Savings
From (Per Person)
A$6,014
Save 177
Per Person
View Trip
21 Day Indonesia: Java, Bali & Komodo Island with G Adventures
New ReleaseTour

21 Days Yogyakarta to Labuan Bajo
Operator: G Adventures
Departures: Nov 2026 to Aug 2027
Trip Styles: Adventure, Small Group
Visits: Indonesia
Exclusive Savings
From (Per Person)
A$4,752
Save 107
Per Person
View Trip
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