Top picks for Koh Samui SIM Card

Discover 34 SIM Card in Koh Samui on Trip.com, updated April 5, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From USD 0.21 per person, with an average total of USD 1.98. Choose the option that suits your plan.

With 18.789k verified reviews, SIM Card Koh Samui boast an average rating of 4.6.

This week's most popular SIM Card: "Thailand AIS 5G eSIM | Total 15GB/30GB | 7-10 Days | Local Phone Number | Real-Name Authentication Required | QR code", with 3.164k reviews and a 4.4 rating.

The next available day tour departs on April 6, 2026. Book now to secure your spot!

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

April is the perfect time to visit Koh Samui! Choose from SIM Card available day tours, including seasonal favorites like Thailand AIS 5G eSIM | Total 15GB/30GB | 7-10 Days | Local Phone Number | Real-Name Authentication Required | 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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Reviews/Trip Moments

Reviews: Thailand AIS 5G SIM Card | 15GB for 7days | Local Phone Number | Pick Up at Bangkok Airport
Guest User2026-01-21
It's convenient because you can find it right after exiting the departure hall. The staff was friendly and set it up quickly. The signal was decent, and I used it well. However, I was a little worried because my plan was suspended after 35GB, which was a bit of a concern. I was satisfied because the price was cheaper than buying unlimited data on-site.
Reviews: Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2026-03-31
Everything works perfectly. There's practically no setup required. Just remember to turn on roaming, and you'll be connected immediately after landing in Thailand.
Reviews: Thailand Dtac 5G eSIM | Total 15GB/50GB/Unlimited Data | Local Phone Number | 7-15 Days | 24-Hour Billing | QR Code
Guest User2026-03-31
The eSIM worked perfectly from landing in Thailand until departure, without any issues. The price is also reasonable. Buying a tourist SIM card upon arrival is much more expensive and time-consuming.
Reviews: Thailand AIS 5G eSIM | Total 15GB/30GB | 7-10 Days | Local Phone Number | Real-Name Authentication Required | QR code
Guest User2026-03-30
It works very well, but the website for uploading the passport doesn't work very well on Android, but I managed to do it.
Reviews: Global (66 countries) | 5G/4G eSIM | Total Package | 24H Billing | 1-7 days | QR code
Guest User2026-03-31
I used this eSIM during my recent trip to Hong Kong, and the overall experience was excellent. Activation was very fast; I was online within minutes of scanning, which was very convenient as I didn't need to change SIM cards. Everything went smoothly; navigation and information searching were both very efficient. I will definitely repurchase it next time I travel abroad.
Reviews: Southeast Asia (7 countries) | 5G/4G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2025-11-29
Easy to install. Convenient to use. Good signal. Works well even in many places. There is a link to check how much you have used. Recommended. No need to put in a SIM card, it's a hassle.
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