Home > Tours > Asia Tours > South East Asia Tours > Thailand Tours > 3 Week

3 Week Thailand Tours

Looking to discover the best of Thailand on a 3 week tour? Then choose from our range of unique multi-day cruises, sailing adventures and guided tours with three leading tour operators that explore Thailand. March is the most popular month to travel to Thailand and we have 388 tour departures available.
Filter Results
Departures
Show More...
Countries Visited
Start & End Cities
Trip Styles
Operators
Price
$1,400pp
$4,275pp
Countries
Filter Results
4 Tours (388 Tour Departures)
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 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 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 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
Results: 4 results

No trips found. Try adjusting the search filters.




Tours found! Scroll up to view.

Asia Tours

Asia Tours Cambodia Tours Central Asia Tours China Tours Georgia & Armenia Tours India Tours Indonesia Tours Japan Tours Laos Tours Malaysia Tours Mongolia Tours Nepal Tours Philippines Tours South East Asia Tours South Korea Tours Sri Lanka Tours Thailand Tours Uzbekistan Tours Vietnam Tours

Travel Styles

18-30's Tours Adventure Tours Coach Tours Cycling Tours Family Tours Festivals & Events Tours Food & Wine Tours Rail Tours Short Break Tours Small Group Tours Walking & Hiking Tours

Trip Lengths

10 Day 2 Week 3 Week 7 Day

Departure Months

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

Cities

Bangkok

Routes

Bangkok to Bangkok Bangkok to Chiang Mai Bangkok to Ho Chi Minh City Bangkok to Phuket Hanoi to Bangkok Ho Chi Minh City to Bangkok

Asia Cruises

Asia Cruises China Cruises Japan Cruises South East Asia Cruises

© 2010-2026. Global Journeys. You're viewing our site in US dollars.

    

About Us | View Your Booking | Operators | Terms & Conditions | Site Map | We're hiring!

Global Journeys Travel Inc. is a Member of the American Society of Travel Advisors (ASTA No: 900374670), CLIA (No. 00046729) & is TICO Accredited (No. 50027921).

Travel Industry Associations