You land at Suvarnabhumi Airport, switch on your phone, and your Thailand eSIM connects while everyone else is still hunting for a SIM counter. Tap the install link from the email we send before your trip and your phone sets the eSIM up itself — or scan the QR code if you prefer — and you're online before you reach baggage claim. No queues, no paperwork, no store visits — the whole setup happens from your sofa at home before you fly.
Compare plans and find the perfect fit for your trip

Your Thailand eSIM connects to 5 mobile networks, automatically switching to the strongest signal — with speeds up to 5G.
Data does the heavy lifting in Thailand. You'll book Grab rides in Bangkok and Chiang Mai, message hotels on LINE, translate menus at street food stalls, and follow Google Maps through the sois — the little side streets that confuse every first-timer. Even finding the right ferry pier for Koh Samui usually starts with a maps search. An eSIM for Thailand keeps all of it working from the moment you arrive, on the phone you already own, with your home SIM untouched.
The real networks your Lumbus eSIM connects to in Thailand.
Your Thailand eSIM connects to major local networks — AIS, DTAC, and TrueMove H on 5G, plus True Move and CAT on 4G. Your phone latches onto the strongest signal automatically, from a Bangkok rooftop to a Koh Lanta beach. With 5G as the top speed, maps and video calls feel like home.
We're not just another eSIM provider. Here's what makes Lumbus different.
Real humans available around the clock, worldwide. No chatbots, just genuine help.
Apple Pay, Google Pay, no account required. Buy in under 60 seconds.
Often cheaper than competitors with the same quality networks.
One-tap install on iOS 17.4+. Clear step-by-step guides for all devices.
Data options from 500MB to unlimited with validity up to 180 days. Find the perfect fit for your trip.
Use as backup data at home when your main network goes down.
Practical advice for using mobile data in Thailand.
Signal can dip on ferries to Koh Tao and in the hills around Pai. Save offline maps of islands and mountain towns before you leave Bangkok.
Grab works across Bangkok, Chiang Mai, and Phuket with fares fixed up front — no taxi-meter debate. It runs on mobile data, so switch your eSIM on first.
Bangkok's BTS Skytrain and MRT subway beat the traffic. Google Maps shows the right line and exit, making transfers at busy stations like Siam much less stressful.
Night trains to Chiang Mai and buses to Krabi take hours. Turn on your hotspot and share your Thailand eSIM with a tablet or a travel partner's laptop.
Suvarnabhumi and Don Mueang are big and busy. Install your eSIM at home over WiFi, switch it on when you land, and book a Grab while others queue.
Common questions about using eSIM in Thailand
Heading elsewhere? Grab an eSIM for your next stop.
How much data you need, how installation works, and what happens to your number — each answered in a few minutes.
How much data do you need for travel? Work out how many GB you'll use per day, see what Google Maps, WhatsApp and Instagram really cost per hour, and pick the right eSIM plan size.
Step-by-step guide to installing an eSIM on iPhone and Android with the one-tap install link — no QR scan needed on iOS 17.4+ and Android 10+ — plus the QR code and manual-entry backups, and how to enable Data Roaming.
Travel eSIMs are data-only and have no phone number of their own. Here's what that means for WhatsApp, iMessage, SMS verification codes and calls home — and how to avoid a roaming bill.
Get instant connectivity. No SIM cards, no queues, no hassle.