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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. May, June and July are the most popular months to travel to Thailand and we have 337 tour departures available.
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3 Tours (337 Tour Departures)
21 Day Thailand, Malaysia and Singapore Escapade with Contiki
Tour

21 Days Bangkok to Singapore
Operated By: Contiki
Departures: May 2026 to Mar 2027
Trip Styles: Coach, 18-30's, Scenic
Visit: Thailand, Malaysia, Singapore
Exclusive Savings
From
US$3,922
Save 408
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: Apr 2026 to Dec 2027
Visit: Vietnam, Cambodia, Thailand
Exclusive Savings
From
US$1,183
Save 507
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: Apr 2026 to Dec 2028
Visit: Malaysia, Thailand, Singapore
Exclusive Savings
From
US$1,574
Save 550
Per Person
View Trip
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Trip Lengths

1 Month 10 Day 2 Week 3 Week 7 Day

Departure Months

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

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

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