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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 9 of the best tour operators to South East Asia. November is the most popular month to travel to South East Asia and we have 730 departures available.
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15 trips (730 trip Departures)
21 Day Best of Vietnam and Cambodia with APT
River Cruise
 (5)

21 Days Hanoi to Siem Reap
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
Save 3,600
From 9,707
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21 Day Best of Vietnam and Cambodia with APT
River Cruise
 (3)

21 Days Ho Chi Minh City to Ho Chi Minh City
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
Save 3,606
From 10,301
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21 Day Vietnam & Cambodia with Intro Travel
Tour
 (3)

21 Days Hanoi to Siem Reap
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Vietnam, Cambodia
Exclusive Savings
Save 76
From 3,331
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21 Day Grand Tour of Vietnam & Cambodia with Emerald Cruises
River Cruise
 (4)

21 Days Hanoi to Siem Reap
Operated By: Emerald Cruises
Ship: Emerald Harmony
Departures: Nov 2024 to Dec 2025
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
INSIDE
-
RIVER VIEW
$7,618
BALCONY
$8,405
SUITE
$11,276
Save 1,592
From 7,618
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21 Day Grand Tour of Vietnam & Cambodia with Emerald Cruises
River Cruise
 (4)

21 Days Hanoi to Ho Chi Minh City
Operated By: Emerald Cruises
Ship: Emerald Harmony
Departures: Oct 2024 to Dec 2025
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
INSIDE
-
RIVER VIEW
$8,212
BALCONY
$8,999
SUITE
$11,276
Save 1,592
From 8,212
View Trip
21 Day Walking in Vietnam & Cambodia Highlights with Explore!
Tour

21 Days Hanoi to Siem Reap
Operated By: Explore!
Departures: Oct 2024 to Dec 2025
Trip Styles: Adventure, Small Group, Walking & Hiking
Countries Visited: Vietnam, Cambodia
Exclusive Savings
Save 108
From 4,988
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21 Day Indonesia Adventure: Java & Bali with G Adventures
Tour

21 Days Jakarta to Gili Islands
Operated By: G Adventures
Departures: May 2024 to Feb 2026
Trip Styles: Adventure, Small Group, 18-30's
Countries Visited: Indonesia
Exclusive Deal
Save 1,166
From 2,633
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21 Day Thailand, Malaysia and Singapore Escapade with Contiki
Tour

21 Days Bangkok to Singapore
Operated By: Contiki
Departures: Jun 2024 to Mar 2026
Trip Styles: Coach, Group, 18-30's, Scenic
Countries Visited: Thailand, Malaysia, Singapore
Exclusive Deal
Save 1,024
From 5,428
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21 Day Northern Thailand & Beaches with TruTravels
New ReleaseTour

21 Days Bangkok to Koh Phangan
Operated By: TruTravels
Departures: May 2024 to Nov 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Thailand
Exclusive Deal
Save 1,097
From 2,398
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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: Jun 2024 to Jan 2026
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking
Countries Visited: Malaysia, Thailand, Singapore
Exclusive Savings
Save 64
From 2,870
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21 Day The Heart of Cambodia & Vietnam with Bangkok with Avalon River Cruises
River Cruise

21 Days Bangkok to Hanoi
Operated By: Avalon River Cruises
Ship: Avalon Saigon
Departures: Aug 2024 to Nov 2024
Rivers: Mekong
Countries Visited: Thailand, Cambodia, Vietnam
Exclusive Deal
Save 2,906
From 10,865
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21 Day The Heart of Cambodia & Vietnam with Bangkok with Avalon River Cruises
River Cruise

21 Days Bangkok to Hanoi
Operated By: Avalon River Cruises
Ship: Avalon Saigon
Departures: Aug 2024 to Oct 2024
Rivers: Mekong
Countries Visited: Thailand, Vietnam, Cambodia
Exclusive Deal
Save 2,904
From 11,037
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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
Departures: May 2024 to Dec 2026
Trip Styles: Adventure, Small Group, 18-30's
Countries Visited: Vietnam, Thailand
Exclusive Deal
Save 859
From 1,940
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21 Day Vietnam Explorer with Explore!
Tour

21 Days Hanoi to Ho Chi Minh city
Operated By: Explore!
Departures: Nov 2024 to Dec 2025
Trip Styles: Adventure, Small Group
Countries Visited: Vietnam
Exclusive Savings
Save 114
From 4,773
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21 Day Inside Indochina with On The Go Tours
Tour

21 Days Vientiane to Siem Reap
Operated By: On The Go Tours
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, Scenic
Countries Visited: Laos, Vietnam, Cambodia
Exclusive Savings
Save 144
From 6,365
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Trip Lengths

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Departure Months

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