What is the best eSIM for Thailand to get internet access the moment you land in Bangkok or Phuket?
After years of traveling and living in Thailand, I’ve tested multiple local SIM cards and international eSIMs to compare their reliability, network coverage, and pricing. Here are the top 3 Thailand eSIMs based on your travel style and budget.
⭐ Best eSIMs for Thailand
| eSIM Provider | Best For | Starting Price |
|---|---|---|
| ✅ Airalo Top Pick |
Best value for money | from $4.50 (1 GB) |
| ✅ Holafly | Unlimited data | from $3.90 / day |
| ✅ Ubigi | Digital nomads & 5G | from $4.00 |
🎁 Save 15% with code: NEWTOAIRALO15
Sets up in 2 minutes • Works instantly at the airport
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Is my phone eSIM compatible?
This is the first thing to check before buying anything. An eSIM is a digital SIM card embedded directly into modern smartphones. Here are the most common supported devices:
- Apple iPhone: All models from iPhone XR, XS, 11, up to the latest ones (iPhone 13, 14, 15, etc.).
- Samsung: Galaxy S series (S20, S21, S22, S23, S24) and Z Fold / Z Flip models.
- Google Pixel: All models since Pixel 3.
Quick Tip: Simply dial *#06# on your phone’s keypad. If an “EID” number appears on your screen, your smartphone is compatible!
Warning: Some carrier-locked phones or specific models purchased in certain regions (like mainland China) may not support eSIM technology.
Why use an eSIM in Thailand?
Buying an eSIM is now an essential step when planning your trip to Thailand, just like booking your hotel or getting your travel insurance for Thailand. Here is why:
Internet access right at the airport
eSIMs are 100% digital. You scan a QR code at home before departure, and your connection activates automatically the second your plane lands at Bangkok airports or Phuket.
Skip the lines
After a 12-hour flight, no one wants to wait in long queues at the local telecom booths in the arrivals hall. With an eSIM, you can immediately book a taxi via Grab, look for local Tuk-Tuks, and head straight to your hotel.
Keep your home phone number
This is the biggest advantage. The eSIM works alongside your regular physical SIM. You use the Thai network to browse the web while keeping your home line active to receive SMS verification codes (OTPs) from your bank, which is extremely convenient and helps avoid having your bank account frozen in Thailand.
eSIM vs. Physical SIM card in Thailand: What’s the difference?
The choice between an eSIM and a physical SIM card comes down to convenience and security.
With a traditional SIM card bought locally, you must open your phone’s tray, remove your home SIM (risking losing it), and swap it. An eSIM is a virtual chip already built into your device. You simply download a digital profile, allowing your phone to run two lines simultaneously (Dual SIM).
How to install and activate your eSIM (Quick Tutorial)
Installation is highly intuitive and takes barely two minutes. Here is what you need to do before boarding your flight:
- Buy your data plan on the provider’s app or website (e.g., Airalo or Holafly).
- Scan the QR Code you received by email using your smartphone’s camera (go to Settings > Cellular/Mobile Data > Add eSIM). Important: You must be connected to Wi-Fi to download the profile.
- Turn off Data Roaming on your home line to avoid unexpected charges, and set the new eSIM as your primary network for mobile data.
Best Thailand eSIM: Full Technical Comparison
Here is a technical breakdown of the main eSIMs available in Thailand, focusing on local networks, data volumes, and tethering options.
| Provider | Local Network | Data Volume | Tethering (Hotspot) | Starting Price |
|---|---|---|---|---|
| Airalo | AIS (data) / Dtac (calls) | 1 GB to 50 GB | ✅ Yes | From $4.50 |
| Holafly | AIS / True (4G/5G) | Unlimited | ⚠️ Limited (1 GB/day) | From $3.90 / day |
| Ubigi | AIS / True (5G) | 3 GB to Monthly | Not specified | From $4.00 |
1. Airalo: The Best Value for Money
This is by far my favorite provider due to its flexibility. Airalo offers highly modular plans tailored to the exact length of your stay.
- Partner networks: AIS for standard data plans, and Dtac for packages including calls and SMS.
- Calls & SMS Option: Airalo also provides a specific package that gives you a real Thai (+66) phone number with data, call minutes, and texts.
- Unbeatable prices: Plans start at just $4.50 for 1 GB.
- New User Discount: Use code NEWTOAIRALO15 at checkout to get 15% off your first eSIM (new users only).
2. Holafly: The King of Unlimited Data
Holafly targets vacationers and content creators who want absolute peace of mind, without ever having to track their gigabyte usage.
- Partner network: AIS and True (Thailand’s two largest networks).
- Limitless data: Stream, navigate, and upload without caps*.
- Fully Customizable: You can now choose the exact number of days you need, starting at just $3.90 per day.
- Hotspot included: Tethering is allowed up to 1 GB per day.
- Automatic Discount: Get 5% off all plans automatically applied when clicking the link below.
*Note on “Fair Use”: As with most unlimited plans, a fair usage policy applies. In cases of extremely high consumption, the local carrier may temporarily slow down your speed.
👉 View Holafly Unlimited Plans (5% Off)
3. Ubigi: 5G Power for Digital Nomads
An excellent premium option for business travelers or digital nomads in Thailand who require a high-speed connection for remote work or regional travel across Southeast Asia.
- Partner network: AIS and True (with ultra-fast 5G access).
- Ideal for Nomads: Offers monthly plans or easily renewable top-ups for frequent travelers.
- Starting price: Short-term backup plans are available starting at around $4.00 for 1 GB over 7 days.
Summary: Which eSIM should you choose for Thailand?
To make things simple, here is which provider to pick based on your travel style:
- ⭐ Best Overall Choice → Airalo
Flexible plans and highly competitive prices for the vast majority of travelers.
Get Airalo ➔ - Unlimited Data → Holafly
Perfect if you consume a massive amount of internet during your trip.
Get Holafly (5% Off) ➔ - Digital Nomads → Ubigi
Fast 5G connection and monthly packages for long-term stays.
Get Ubigi ➔
Frequently Asked Questions (FAQ)
What is the best eSIM for Thailand?
For most travelers, Airalo remains the top choice thanks to its excellent value for money, effortless installation, and flexible data plans suited for both short holidays and longer trips.
Can I use WhatsApp with an eSIM?
Yes, absolutely. When you activate your eSIM, WhatsApp will ask if you want to keep your current number. By clicking yes, you retain all your contacts, chat history, and groups exactly as they were back home.
Does an eSIM work in Bangkok and on the islands?
eSIM providers piggyback on Thailand’s leading local networks, namely AIS, True, and sometimes Dtac depending on the plan. Whether you are navigating the skyscrapers of Bangkok or relaxing on a beach in Koh Samui, 4G/5G coverage is generally outstanding.
Can I use my eSIM in other Asian countries?
A standard “Thailand” eSIM will only work within Thai borders. However, if you are planning a multi-country backpacking trip (e.g., Thailand, Vietnam, Indonesia), Airalo, Holafly, and Ubigi all offer “Regional Asia eSIM” plans. These cover a dozen countries and seamlessly switch to the correct local network when you cross a border.
Can I keep my home phone number?
Yes. Your smartphone settings allow you to assign the digital eSIM strictly for “Cellular Data”, while keeping your physical home SIM active for “Voice and SMS”. This ensures you will still receive your bank’s text messages or emergency alerts without any issues.
Final Verdict
If you are looking for the easiest solution, with the most user-friendly app and the best value for your stay in Thailand, Airalo is the clear winner. Don’t forget to use the promo code NEWTOAIRALO15 at checkout for a 15% discount on your first purchase (new users only).
