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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. July, August and October are the most popular months to travel to Thailand and we have 328 tour departures available.
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3 Tours (328 Tour Departures)
21 Day Thailand, Malaysia and Singapore Escapade with Contiki
Tour

21 Days Bangkok to Singapore
Operated By: Contiki
Departures: Jun 2026 to Mar 2028
Trip Styles: Coach, 18-30's, Scenic
Visit: Thailand, Malaysia, Singapore
From
US$4,030
Per Person
View Trip
21 Day Epic Vietnam to Cambodia with Intrepid Travel
Tour

21 Days Hanoi to Bangkok
Operated By: Intrepid Travel
Departures: Jul 2026 to Dec 2027
Visit: Vietnam, Cambodia, Thailand
Exclusive Savings
From
US$1,441
Save 291
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: Jun 2026 to Dec 2028
Visit: Malaysia, Thailand, Singapore
Exclusive Savings
From
US$1,539
Save 660
Per Person
View Trip
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Travel Styles

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Trip Lengths

1 Month 10 Day 2 Week 3 Week 7 Day

Departure Months

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

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

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