Top picks for Koh Samui SIM card

Discover 38 SIM card in Koh Samui on Trip.com, updated October 19, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From KRW 100 per person, with an average total of KRW 3,848. Choose the option that suits your plan.

With 70.914k verified reviews, SIM card Koh Samui boast an average rating of 4.6.

This week's most popular SIM card: "Thailand 5G eSIM | Supports Google Maps / ChatGPT | Daily/Total Data Plans | 24-Hour Billing | 1–30 Days | QR Code", with 14.881k reviews and a 4.6 rating.

The next available day tour departs on October 20, 2026. Book now to secure your spot!

Koh Samui SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

October is perfect for visiting Koh Samui! Choose from 38 available day tours, including seasonal hits like Thailand 5G eSIM | Supports Google Maps / ChatGPT | Daily/Total Data Plans | 24-Hour Billing | 1–30 Days | QR Code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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38 results for Koh Samui SIM card

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See what other travelers love, based on ratings and bookings

RecommendedAttractions (8575)Boat experiences (33)Food & drink (2)Shows & events (21)Day tours (73)Spa & wellness (5)Cultural experiences (2)Outdoor experiences (62)Water activities (37)Nature & wildlife (14)Travel photography (4)SIM card (37)Wi-Fi (1)Shuttle bus (5)Travel extras (3)Boat tickets (7)

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Reviews/Trip Moments

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Reviews: Thailand 5G eSIM | Supports Google Maps / ChatGPT | Daily/Total Data Plans | 24-Hour Billing | 1–30 Days | QR Code
Guest User2026-10-18
Following Trip.com's recommendation, I chose a Taiwan 5G eSIM, which truly made my trip easy and worry-free. It was usable immediately after purchase, the whole process was incredibly convenient, greatly reducing the hassle of waiting. For someone like me who travels frequently abroad, this kind of instant-use service is really thoughtful 👍 The price was also very affordable, so I didn't have to worry about breaking the bank. I highly recommend it to anyone traveling abroad! Just scan the QR code to easily access the internet, supporting All AI & TikTok, so you can share your travel experiences with friends anytime, anywhere. 【Travel Tips】 - I suggest checking if your phone supports eSIM before you leave. Scan the QR code to activate it instantly, saving time and effort! - Flexible plans with selectable days to suit different travel needs. #From a Real Consumer Review
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Reviews: Thailand Dtac 5G eSIM | Local IP | Thailand phone number | 24 hr billing | QR code
Guest User2026-09-22
Works perfectly in Thailand from north to south in 5 hours
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Reviews: 5G eSIM for Singapore/Malaysia/Thailand/Indonesia (Southeast Asia) | Multi-network support, supports popular apps | 500MB/day - 50GB total | 24-hour billing | QR code
Guest User2026-10-18
Great eSIM! Easy to install via QR code and had solid, reliable internet coverage. Also  could redeem it using my Trip Coins. thanks.
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Reviews: Thailand TrueMove 5G eSIM | Daily/Total Data Package | 1–30 Days | 24-Hour Billing | QR Code
Guest User2026-10-18
Excellent connection, quick installation, and we connected via Wi-Fi while we were already on-site. For convenience, it's best to activate it at home the day before your trip.
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Reviews: Asia-Pacific eSIM | 5G/4G | High-speed data | Daily data/data plan | 24-hour service | 1-30 days | QR code
Guest User2026-10-17
I've used it before. I especially like that I can use it in multiple regions without any hassle.
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Reviews: Thailand | DTAC eSIM | 4G/5G | Native line | Includes phone number | Total package | 35GB/50GB total | 7/10 days | 24 hr billing | QR code
Guest User2026-10-18
It's very easy to connect and purchase! It works throughout Phuket, but we haven't used it anywhere else.

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