10 Best South East Asia Multiday Tours in May 2026

Vietnam: Historic Cities & Halong Bay Cruising - May 2026

32% OFF TODAY

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Vietnam: Historic Cities & Halong Bay Cruising - May 2026

(8 reviews )

No booking fees

Best price guaranteed

Amazing - loved the trip so much due to the semi-structured style of it and the amount of free time provided. I was able to do everything I wanted to do on the trip and more. Lu, our CEO, was brilliant! I would recommend this trip to anyone looking to go to Vietnam.

Wildlife

Tour Type

Small Group Tour

Accommodation

Hotel, Hostel, Ship Cabin, Sleeper Train

Age Range

18-39 yrs

Operated in

english

Destinations

Hanoi, Ho Chi Minh City, Ha Long

Hanoi, Ho Chi Minh City, Ha Long Bay, Nha Trang, Da Nang, Hoi An, Hue, Phong NHA

32% OFF TODAY

Duration12 days

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13% OFF TODAY

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Vietnam Hike, Bike & Kayak - May 2026

4.7

(14 reviews )

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I had the best time ever thanks to Dom. We will definitely book another tour with Dom again.

Trekking and Hiking

Tour Type

Small Group Tour

Accommodation

Hotel, Sleeper Train, Home-stay

Age Range

12-100 yrs

Operated in

english

Destinations

Hanoi, Ho Chi Minh City, Hoi An

Hanoi, Ho Chi Minh City, Hoi An, Hue, Mai Chau, Ha Long Bay

13% OFF TODAY

Duration10 days

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27% OFF TODAY

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Journeys: Iconic Thailand - May 2026

(11 reviews )

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Journeys: Iconic Thailand was a fabulous experience!!! We had the most wonderful tour guide (shout out to Natthanan Chai Yenklom--the very best!!!!) who looked after every detail and made the experience comfortable and enjoyable for each person on the trip. I loved the varied activities--the home visit and cooking class in Chiang Mai; Ko Klang Island and Hong Island in Southern Thailand; and the amazing temples in Bangkok were particular highlights for me on the trip. I would do another National Geographic Journeys/G Adventures tour in the future!

Photography toursChill out

Tour Type

Small Group Tour

Accommodation

Hotel, Resort, Villa, Lodge

Age Range

12-100 yrs

Operated in

english

Destinations

Bangkok, Ko Samet, Khao Sok, Kra

Bangkok, Ko Samet, Khao Sok, Krabi, Kanchanaburi, Ayutthaya, Chiang Mai

27% OFF TODAY

Duration15 days

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Journeys: Explore Northern Thailand - May 2026

(13 reviews )

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Our trip to Thailand with National Geographic / G Adventures was an unforgettable, amazing trip. Our itinerary afforded us unique experiences to connect with local people and culture. Our CEO treated us like family and made each activity more meaningful and more fun.

Cultural, religious and historic sites

Tour Type

Small Group Tour

Accommodation

Hotel, Resort, Villa

Age Range

12-100 yrs

Operated in

english

Destinations

Bangkok, Kanchanaburi, Ayutthaya

Bangkok, Kanchanaburi, Ayutthaya, Chiang Mai

Duration8 days

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Journeys: Explore Vietnam - May 2026

(11 reviews )

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This was an outstanding experience and we greatly enjoyed our time in Vietnam with Rocky as our guide. We'd recommend this tour to our friends and family.

Cultural, religious and historic sites

Tour Type

Small Group Tour

Accommodation

Hotel, Lodge, Resort

Age Range

12-100 yrs

Operated in

english

Destinations

Hanoi, Ho Chi Minh City, Hoi An

Hanoi, Ho Chi Minh City, Hoi An, Mai Chau, Ha Long Bay, Hue

Duration13 days

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Northern Thailand: Hilltribes & Villages - May 2026

32% OFF TODAY

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Northern Thailand: Hilltribes & Villages - May 2026

(8 reviews )

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It was fun got to meet new people and learn new things it’s nice to get out of your comfort zone sometimes and explore the world, especially with g adventures

WildlifeTrekking and Hiking

Tour Type

Small Group Tour

Accommodation

Hotel, Bungalow, Hut, Sleeper Train

Age Range

18-39 yrs

Operated in

english

Destinations

Bangkok, Chiang Mai, Ban Mae Jok

Bangkok, Chiang Mai, Ban Mae Jok, Pa Khao Lam

32% OFF TODAY

Duration8 days

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Malaysia's Ultimate Adventure - May 2026

22% OFF TODAY

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Malaysia's Ultimate Adventure - May 2026

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Explore a land of natural beauty and rare wildlife on this 20-day adventure in Malaysia. From bustling cityscapes to the blissful countryside to the lush tropical rainforest, unique animals and tribal villages, Malaysia has something for everyone. Experience the very best of mainland Malaysia and Borneo – hike in the Ulu Muda rainforest, climb Mt Kinabalu, share some laughs with your local village hosts and watch sea turtles lay their eggs with an expert local ranger by your side. Each moment of this incredible small group adventure will give you a fascinating insight into Malaysia.

ExplorerWildlife

Tour Type

Small Group Tour

Accommodation

Home-stay, Hostel, Hotel, Resort, Eco Lodge, Guest House

Age Range

15-99 yrs

Operated in

english

Destinations

Kuala Lumpur, Dusun Village, Kin

Kuala Lumpur, Dusun Village, Kinabalu Park, Kinabatangan, Sepilok, Turtle Island, Sandakan, George Town, Teluk Bahang, Ulu Muda, Cameron Highlands

22% OFF TODAY

Duration20 days

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Journeys: Explore Southern Thailand - May 2026

32% OFF TODAY

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Journeys: Explore Southern Thailand - May 2026

(9 reviews )

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Very good tour, lots of activities to keep busy. Many beautiful sights and experiences. Good tour of eastern Thailand and the beach communities.

Photography toursChill out

Tour Type

Small Group Tour

Accommodation

Hotel, Resort, Villa, Lodge

Age Range

12-100 yrs

Operated in

english

Destinations

Bangkok, Ko Samui, Khao Sok, Krabi

32% OFF TODAY

Duration8 days

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Southeast Asia Discovery: Seasides And Street Food - May 2026

32% OFF TODAY

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Southeast Asia Discovery: Seasides and Street Food - May 2026

4.9

(10 reviews )

No booking fees

Best price guaranteed

I would highly recommend doing a tour like this one, I feel like the experiences I got from this will be very hard to recreate. They have a special place for me and I will always remember this trip fondly.

Wildlife

Tour Type

Small Group Tour

Accommodation

Hotel, Hostel, Home-stay, Sleeper Train, Guest House, Resort

Age Range

18-39 yrs

Operated in

english

Destinations

Bangkok, Nha Trang, Da Nang, Hoi

Bangkok, Nha Trang, Da Nang, Hoi An, Hue, Phong NHA, Hanoi, Ha Long Bay, Siem Reap, Vientiane, Vang Vieng, Luang Prabang, Pak Beng, Chiang Khong, Chiang Mai, Phnom Penh, Koh Rong Island, Chambok, Ho Chi Minh City

32% OFF TODAY

Duration30 days

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13% OFF TODAY

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Essential Thailand - May 2026

4.5

(2 reviews )

No booking fees

Best price guaranteed

The itinerary was nicely balanced. It included the main sights in the places visited along with down time to rest and refresh. If keeping busy was more to your liking, there were many excellent optional tours. The coach was comfortable and kept clean. Loved the hotels. The Galleria 10 in Bangkok was in an excellent location, within walking distance to restaurants, convenience stores, and the sky train. Their 2 for 1 daily Happy Hour was a nice way to unwind after a busy day of sightseeing. Thoroughly enjoyed the other hotels which also offered pools for relaxation - in Kanchanaburi, Sukhothai, Chiang Rai and Chiang Mai. The hotel in Kanchanaburi was within walking distance of the famous Bridge over the river Kwai which was a bonus. The hotel in Chiang Rai was within walking distance to additonal sights not included in the tour as well as to excellent restaurants. All the hotels offered a good selection of options for daily breakfast as well as for the included dinners.

Adventure

Tour Type

Group Tour

Accommodation

Hotel, Resort

Age Range

5-99 yrs

Operated in

english

Destinations

Khao Sok, Andaman, Bangkok, Chia

Khao Sok, Andaman, Bangkok, Chiang Mai, Kanchanaburi, Sukhothai, Chiang Rai

13% OFF TODAY

Duration12 days

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South East Asia Tours in May 2026

Page 8 of 239 Trips in South East Asia during May 2026 with 855 Reviews

Page 8 of 239 Trips in South East Asia during May 2026 with 855 Reviews

Vietnam: Historic Cities & Halong Bay Cruising - May 2026

Vietnam Hike, Bike & Kayak - May 2026

Journeys: Iconic Thailand - May 2026

Journeys: Explore Northern Thailand - May 2026

Journeys: Explore Vietnam - May 2026

Northern Thailand: Hilltribes & Villages - May 2026

Malaysia's Ultimate Adventure - May 2026

Journeys: Explore Southern Thailand - May 2026

Southeast Asia Discovery: Seasides and Street Food - May 2026

Essential Thailand - May 2026

Europe

Asia

South America

Africa

North America

Oceania

Polar

Food, wine, events and nightlife

Adventure and sport

Wildlife, landscapes and nature

Boat tours, water sports and marine wildlife

Sightseeing, attractions, culture and history

Air tours, road trips and transfers

Beach, romance, getaways and relaxation

Special interests and hobbies

South East Asia Tours in May 2026

Page 8 of 239 Trips in South East Asia during May 2026 with 855 Reviews

Page 8 of 239 Trips in South East Asia during May 2026 with 855 Reviews