Top picks for Koh Samui Wi-Fi & SIM cards

Discover 36 Wi-Fi & SIM cards in Koh Samui on Trip.com, updated March 4, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From SGD 0.12 per person, with an average total of SGD 2.19. Choose the option that suits your plan.

With 37.38k verified reviews, Wi-Fi & SIM cards Koh Samui boast an average rating of 4.6.

This week's most popular Wi-Fi & SIM cards: "Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code", with 6.658k reviews and a 4.7 rating.

The next available day tour departs on March 5, 2026. Book now to secure your spot!

Koh Samui Wi-Fi & SIM cards usually take about 1 hours — perfect for a relaxed, immersive experience!

March is the perfect time to visit Koh Samui! Choose from Wi-Fi & SIM cards available day tours, including seasonal favorites like Thailand | 5G eSIM | Day Pass/Total Package | 24H 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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36 results for Koh Samui Wi-Fi & SIM cards

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Reviews/Trip Moments

Reviews: Thailand 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Guest User2026-03-03
Before my trip, I bought an e-SIM card through the trip.com app for 8 days for 205 rubles with 2 GB per day. I connected it and used it everywhere. Friends bought a SIM card for 1200 rubles at the Bangkok airport. So, the e-SIM is better value.
Reviews: Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2026-03-03
Extremely convenient and affordable! I bought a 3-week bag for 500 rubles and 2 GB per day! No passport or anything else required! It's a GREAT FIND!! Absolutely fantastic! A week at 7/11 is more expensive.
Reviews: Thailand Dtac 5G eSIM | Local Phone Number | Unlimited Data | 24-Hour Billing | QR Code
Guest User2026-03-04
I was wary before buying an eSIM, as the unknown is always scary. But it turned out to be incredibly easy to install and use. Everything worked as soon as I arrived in Thailand. And there were no issues during my entire 10-day stay. There was connection everywhere. I highly recommend it 👍🏼
Reviews: Thailand AIS 5G eSIM | Unlimited Data | Local Phone Number | ldentity Verification Required | QR code
Guest User2026-03-04
Do remember to register your account with your passport b4 you can start using the e Sim. After registration, the e sim’s connection is perfect!!
Reviews: Thailand truemove 5G eSIM | Total Data Package/Unlimited Data | 1–30 Days | 24-Hour Billing | QR Code
Guest User2026-03-03
My favorite idol's live concert was held in Bangkok, so I went there by myself. I bought an eSIM card from another company in Japan beforehand, but I had a hard time connecting when I got there. A Japanese person who was at the same concert told me about it, so I bought one, and it was easy to connect, cheap, and very helpful!
Reviews: Thailand AIS 5G SIM Card | Unlimited Data | Local Phone Number | Pickup at Bangkok/Phuket Airports
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.
Contact Center <br>of the year 2025
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