Thailand eSIM
Stay connected in Thailand without expensive roaming.
Choose your eSIM
Pick the plan that matches how you'll use data in Thailand.
Buy before you fly. Stay connected in Thailand.
Don't wait until you arrive. Set up your Thailand eSIM from your couch and walk off the plane already online.
Set up before you fly
Install your eSIM at home over Wi-Fi. No airport queues, no fiddly SIM swaps when you land.
Use maps, translation & messaging apps
Once your eSIM is connected, you can use mobile data for apps such as Google Maps, translation apps and messaging services.
Keep your home SIM installed
On compatible dual-SIM devices, you can generally keep your home SIM installed while using your Thailand eSIM for mobile data. Calls, SMS and other services on your home SIM remain subject to your home carrier's roaming terms and settings.
Use data instead of carrier roaming
One upfront price. Use your travel eSIM for mobile data instead of relying on your home carrier's international roaming data.
What travellers use data for in Thailand.
Think about how you'll use your phone day-to-day. It'll help you pick the right plan.
Google Maps
Navigate Bangkok's streets, find your hotel and explore without getting lost.
Translation apps
Translate menus, signs and conversations on the go — camera and text translation while travelling.
Messaging & accommodation
Message your hotel, family and drivers over data without hunting for free Wi-Fi.
Transport & ride apps
Book rides and scooters the moment you land — no need to find a shop or cash SIM.
Social media
Post stories from Phuket, Chiang Mai and Koh Samui without hunting for Wi-Fi.
Hotspot & family travel
Share hotspot with the family where supported by your plan, or buy a plan each so everyone's connected.
Set up is simple. Do it before you fly.
Most eSIM-compatible iPhones and Androids take less than five minutes to set up. We recommend installing your Thailand eSIM at home over Wi-Fi so it's ready to switch on the moment you land.
Thailand eSIM questions, answered.
Most eSIM-compatible iPhones (iPhone XS and newer) and recent Android phones work with our Thailand eSIM. Use our compatibility checker to confirm your exact model before you buy.
Yes — and we recommend it. Install over Wi-Fi at home so it's ready to switch on when you arrive. Activation conditions vary by plan. Check your selected eSIM's activation details before travelling.
Activation conditions vary by plan. Most activate when you first connect to a supported network in Thailand, but some have different rules — check your plan's activation details at checkout for the exact policy. You can install the eSIM at home over Wi-Fi before you fly.
On compatible dual-SIM devices, you can generally keep your home SIM installed while using your Thailand eSIM for mobile data. Calls, SMS and other services on your home SIM remain subject to your home carrier's roaming terms and settings.
Most of our Thailand plans support hotspot and tethering, but it depends on the specific plan. Check the plan details at checkout to confirm hotspot is supported before you buy.
If you run low, you can buy a top-up or a new plan from your Roamza account. It's delivered instantly — no need to find a shop in Thailand.
An eSIM lives on your phone — buy before you fly, install at home, keep your home SIM on compatible devices, and land ready to connect. A physical SIM means buying at an airport kiosk or convenience store in Thailand, showing your passport, swapping your SIM tray, and getting a new local number. Neither is universally better for everyone — it depends on your trip length, how many devices you need online, and whether you want to keep your home number active.
Help if installation doesn't go smoothly.
Clear instructions, transparent policies, and real support if you need it. We're here to make sure you land connected.
Get your Thailand eSIMThailand eSIM
Thailand is one of the most popular travel destinations, and staying connected while you're there shouldn't mean paying your carrier's roaming rates. A Thailand eSIM from Roamza lets you buy your data before you fly, install it at home, and switch it on when you arrive — no SIM swap, no airport queues.
Whether you're navigating the buzz of Bangkok, island-hopping in Phuket or Krabi, exploring the temples of Chiang Mai, or beach-hopping in Koh Samui, a travel eSIM means you can use Google Maps to find your way, check translation apps for menus and signs, and message your hotel on WhatsApp without hunting for free Wi-Fi. Once your eSIM is connected, you can use mobile data for apps such as Google Maps, translation apps and messaging services.
On compatible dual-SIM devices, you can generally keep your home SIM installed while using your Thailand eSIM for mobile data. Calls, SMS and other services on your home SIM remain subject to your home carrier's roaming terms and settings. Use your travel eSIM for mobile data instead of relying on your home carrier's international roaming data.
How much data do you need in Thailand?
It depends on how you use your phone day-to-day. Here's a rough guide:
- Light use: Google Maps for getting around Bangkok, messaging family and friends, and light browsing. A smaller data plan is usually plenty.
- Everyday use: Navigation, translation apps, social media, and booking rides or accommodation. Most travellers fall here — a mid-size or unlimited plan is a safe pick.
- Heavy use: Video uploads, streaming, video calls, or sharing hotspot with a travel partner where supported by your plan. Go for a larger or unlimited plan.
Our Thailand plan selector above shows live plans and prices — pick the one that matches how you'll use data.
Setting up your Thailand eSIM
Setup takes about five minutes and we recommend doing it before you leave Australia. Once you buy, we email your eSIM QR code and step-by-step instructions. Scan the code, follow the prompts, and your phone is ready. We recommend installing your eSIM at home over Wi-Fi before you fly. Activation conditions vary by plan — check your selected eSIM's activation details before travelling. Not sure if your phone is compatible? Check compatibility before you buy.
Thailand eSIM vs physical SIM
There are two main ways to stay connected in Thailand:
- eSIM: Buy before you fly, install at home, and switch on when you land. No queues, no SIM tray swap, and you keep your home number on compatible dual-SIM devices. Best for most travellers who want data sorted before departure.
- Physical SIM: Buy at an airport kiosk or convenience store in Thailand. You'll queue, show your passport, swap your SIM tray, and get a new local number. Works, but takes time and means your home SIM is out of the phone while it's in use.
Neither is universally better for everyone — it depends on your trip length, how many devices you need online, and whether you want to keep your home number active. For most travellers who want to land ready to connect, an eSIM is the simplest option.
Ready to go? See Thailand plans and get your eSIM, or get in touch if you have any questions. See our Fair Use Policy for unlimited plan details, or the installation guide for step-by-step setup.
Travel connectivity guides
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Read guideHow Much Data Do You Need in Thailand?
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Read guideBest eSIM for Thailand for Australians: What to Know Before You Fly
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