10 Best Koh Samui Multiday Tours in October 2026

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Thailand Island Hopper - October 2026

4.9

(262 reviews )

No booking fees

Best price guaranteed

An absolutely unforgettable experience, met friends for life and visited some mind blowing spots. Arthur was an exceptional tour guide throughout, after being called in on late notice you could not tell. He brought the energy and jokes the entire trip, never failing to put a smile on people’s faces. Would highly recommend to anyone wanting to visit Thailand, especially if travelling solo 10/10.

BeachChill out

Tour Type

Group Tour

Accommodation

Bungalow, Sleeper Train

Age Range

18-40 yrs

Operated in

english

Destinations

Koh Samui, Phuket, Bangkok, Koh

Koh Samui, Phuket, Bangkok, Koh Phi Phi, Phi Phi Islands, Khao Sok National Park, Koh Phangan, Koh Tao, Koh Nang Yuan

Duration14 days

From

USD 1,425

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Family Thailand Active Jungle and Beach Adventure - October 2026

4.8

(4 reviews )

No booking fees

Best price guaranteed

Excellent family adventure. So much fun and excellent guide. Kids will talk about it for a long time. We had 3 families with 6 teenagers who were all impressed.

Active and outdoorWildlife

Tour Type

Small Group Tour

Accommodation

Hotel, Lodge, Resort, Home-stay, Bungalow

Age Range

7-99 yrs

Operated in

english

Destinations

Bangkok, Koh Phangan, Koh Man, K

Bangkok, Koh Phangan, Koh Man, Koh Samui, Kanchanaburi, Erawan Falls, Surat Thani, Klong Noi, Khao Sok National Park, Cheow Lan Lake

Duration14 days

From

USD 2,690

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Classic Thailand & Island Hopping - East Coast - October 2026

10% OFF TODAY

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Classic Thailand & Island Hopping - East Coast - October 2026

4.9

(50 reviews )

No booking fees

Best price guaranteed

I had a great experience, I got what I’d signed up for - a feel for a real Thailand. Wonderful people, delicious food. I will be back one day! Thank you!

City sightseeing

Tour Type

Small Group Tour

Accommodation

Hotel, Resort

Age Range

12-100 yrs

Operated in

english

Destinations

Bangkok, Koh Pha Ngan, Koh Samui

Bangkok, Koh Pha Ngan, Koh Samui, Kanchanaburi, Chiang Mai, Koh Tao

10% OFF TODAY

Duration14 days

From

USD 2,549

USD 2,294

Saving

USD 255

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Bangkok To Singapore: Jungle Hikes & Island Nights - October 2026

30% OFF TODAY

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Bangkok to Singapore: Jungle Hikes & Island Nights - October 2026

4.9

(10 reviews )

No booking fees

Best price guaranteed

This was my first G Adventures trip and I have has an incredible time. I can't wait to plan and book my next one! Everything was organised, and not having to think about travelling in between locations but just following instructions was so easy.

Wildlife

Tour Type

Small Group Tour

Accommodation

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

Age Range

18-39 yrs

Operated in

english

Destinations

Bangkok, Singapore, Kuala Lumpur

Bangkok, Singapore, Kuala Lumpur, Melaka, Surat Thani, Khao Sok, Koh Samui, George Town, Chenderoh Lake, Cameron Highlands

30% OFF TODAY

Duration14 days

From

USD 1,499

USD 1,049

Saving

USD 450

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Southeast Asia: Hilltribes & Street Food - October 2026

30% OFF TODAY

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Southeast Asia: Hilltribes & Street Food - October 2026

(9 reviews )

No booking fees

Best price guaranteed

Good experience

Trekking and Hiking

Tour Type

Small Group Tour

Accommodation

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

Age Range

18-39 yrs

Operated in

english

Destinations

Bangkok, Singapore, Khao Sok, Ko

Bangkok, Singapore, Khao Sok, Koh Samui, George Town, Chenderoh Lake, Cameron Highlands, Kuala Lumpur, Melaka, Chiang Mai, Ban Mae Jok, Pa Khao Lam, Surat Thani

30% OFF TODAY

Duration21 days

From

USD 2,099

USD 1,469

Saving

USD 630

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Thailand Island Hopping – East Coast - October 2026

10% OFF TODAY

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Thailand Island Hopping – East Coast - October 2026

(7 reviews )

No booking fees

Best price guaranteed

Our family of four had the best time! This was the first trip out of the country for our two teens and we couldn’t have asked for a better experience – for all of us. Our guide, Zam, was organized, helpful, knowledgeable, and funny. We really appreciated his expertise and how well he helped us navigate many different places and spaces. Our group included another family with teens and people from around the world who quickly became friends. We really liked the pacing of this tour -- a couple of days in each island -- and the flexibility on some of the days to do things with just our family instead of being locked into a very tight itinerary with the group. We added on a couple of days to see Bangkok outside of this island tour and I think that is a must-do for anyone visiting Thailand. Our favorite parts of the trip were snorkeling in the islands, hiking up to see the views in Ang Thong park, beach massages, and eating fresh and delicious Thai food.

Explorer

Tour Type

Small Group Tour

Accommodation

Hotel, Resort

Age Range

12-100 yrs

Operated in

english

Destinations

Bangkok, Koh Tao, Koh Pha Ngan

Bangkok, Koh Tao, Koh Pha Ngan, Koh Samui

10% OFF TODAY

Duration8 days

From

USD 1,599

USD 1,439

Saving

USD 160

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Cambodia & The Thai Islands – East Coast - October 2026

10% OFF TODAY

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Cambodia & The Thai Islands – East Coast - October 2026

(8 reviews )

No booking fees

Best price guaranteed

Overall, my experience with GAdventures has been brilliant. They have very knowledgable and enthusiastic CEOs who cannot do enough to make sure that you have a great experience!

Explorer

Tour Type

Small Group Tour

Accommodation

Hotel, Resort

Age Range

12-100 yrs

Operated in

english

Destinations

Ho Chi Minh City, Bangkok, Koh T

Ho Chi Minh City, Bangkok, Koh Tao, Koh Pha Ngan, Koh Samui, Phnom Penh, Siem Reap

10% OFF TODAY

Duration16 days

From

USD 2,629

USD 2,366

Saving

USD 263

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Super Sales

Bangkok to Bali: Southeast Asia Unfiltered - October 2026

No booking fees

Best price guaranteed

From Bangkok’s buzzing street markets to Bali’s golden beaches, this 24-day adventure is Southeast Asia at its best. Dive into flavour-packed night markets, cruise misty highlands, and explore islands straight out of a postcard. Chase waterfalls in Ang Thong Marine Park, hike a volcano at sunrise, and kick back on hidden beaches in Nusa Lembongan. With a perfect balance of iconic highlights and free time to do your thing, this trip delivers the culture, adventure, and beach vibes you’re after—plus a crew of new travel besties to share it all with.

Explorer

Tour Type

Small Group Tour

Accommodation

Camping, Guest House, Home-stay, Hostel, Hotel, Sleeper Train, Tent

Age Range

18-39 yrs

Operated in

english

Destinations

Bali, Bangkok, Kuala Lumpur, Mel

Bali, Bangkok, Kuala Lumpur, Melaka, Singapore, Canggu, Bulian, Kintamani, Ubud, Surat Thani, Nusa Lembongan, Khao Sok, Koh Samui, George Town, Chenderoh Lake, Cameron Highlands

Duration24 days

From

USD 2,699

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Thai Islands Youth Adventure - 14 days - October 2026

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Best price guaranteed

GROUP TOUR (FOR AGES 18 - 39): Explore Thailand on this 14 day tour from bustling Bangkok to vibrant Phuket, taking in some of the country’s most beautiful islands along the way. Begin amid the culture and canals of Bangkok before travelling south to Koh Samui, Koh Phangan and Koh Tao, each offering golden sands, colourful reefs and laid-back tropical charm. Journey onward to Krabi’s limestone cliffs, then to the iconic Phi Phi Islands and famous Maya Bay, with a mix of cultural sights, natural beauty, and island life throughout, finishing with a final celebration on the shores of Phuket.

Explorer

Tour Type

Group Tour

Accommodation

Hostel, Hotel

Age Range

18-39 yrs

Operated in

english

Destinations

Phuket, Bangkok, Krabi, Phi Phi

Phuket, Bangkok, Krabi, Phi Phi Islands, Koh Samui, Koh Phangan, Koh Tao

Duration14 days

From

USD 2,055

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Super Sales

Thai Island Explorer - October 2026

No booking fees

Best price guaranteed

Get ready for 14 days of island hopping, dreamy beaches and unforgettable moments as we explore some of the most beautiful spots Thailand has to offer – your dream island hopping trip is here! Start your journey in the heart of Bangkok, a city buzzing with energy and culture. Then trade city lights for island vibes as you make your way to Phuket, stopping at some of Thailand’s most incredible islands. Think ancient temples, colourful coral reefs, panoramic views, and a culture so rich, you’ll feel completely immersed. Every day brings something new, with tropical adventures, laid-back days, and nights that turn into stories you’ll tell for years – all with a whole new group of friends! You’ll head home with a full heart, incredible memories, and of course, some epic insta shots.

CruiseYoga

Tour Type

Group Tour

Age Range

18-55 yrs

Operated in

english

Destinations

Phuket, Bangkok, Krabi, Koh Phi

Phuket, Bangkok, Krabi, Koh Phi Phi, Koh Samui, Koh Phangan, Koh Tao, Koh Nang Yuan

Duration14 days

From

USD 1,799

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All Koh Samui Tours in October 2026

10 Trips in Koh Samui during October 2026 with 350 Reviews

Get a customized trip to Koh Samui in October 2026

10 Trips in Koh Samui during October 2026 with 350 Reviews

Thailand Island Hopper - October 2026

Family Thailand Active Jungle and Beach Adventure - October 2026

Classic Thailand & Island Hopping - East Coast - October 2026

Bangkok to Singapore: Jungle Hikes & Island Nights - October 2026

Southeast Asia: Hilltribes & Street Food - October 2026

Thailand Island Hopping – East Coast - October 2026

Cambodia & The Thai Islands – East Coast - October 2026

Bangkok to Bali: Southeast Asia Unfiltered - October 2026

Thai Islands Youth Adventure - 14 days - October 2026

Thai Island Explorer - October 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

All Koh Samui Tours in October 2026

10 Trips in Koh Samui during October 2026 with 350 Reviews

Get a customized trip to Koh Samui in October 2026

10 Trips in Koh Samui during October 2026 with 350 Reviews