Best eSIM for Thailand โ Instant Data Plans
Thailand eSIMs from LTE.app start at $1.20 and activate in under 2 minutes on AIS and DTAC (also True Move H) โ no contract, no airport SIM kiosk, no roaming bill.
Thailand is one of Southeast Asia's most visited countries โ and an eSIM is the smartest way to stay connected without overpaying for roaming.
Right now in Bangkok
Live conditions to help you pack โ refreshed daily.
Observed at 00:00 (Asia/Bangkok) ยท Weather & air-quality data by Open-Meteo (CC BY 4.0).
Thailand travel essentials
Quick reference travellers ask us about most. Pair it with your eSIM and youโre ready to land.
Thailand is among the most visited countries on Earth, and for good reason. You can find thick jungle as green as can be, crystal blue waters that feel more like a warm bath than a swim in the ocean, and food that can curl your nose hairs while tap dancing across your taste buds. Bustling, yet safe; cheap, and equipped with every amenity you need, there is something for every interest and every price bracket, from beachfront backpacker hostels to some of the best luxury hotels in the world.
Reference data from Wikivoyage and public references (CC BY-SA 4.0). Verify before travel; emergency numbers and rules can change. Wikivoyage and public references โ
Your calls stay on your home number.
Your data runs on LTE.app.
Most modern iPhones and Android phones support two connections at once. Keep your existing SIM active โ your number never changes, your apps keep working. Just add a Thailand data plan on top.
- โ Calls and texts work normally
- โ WhatsApp, iMessage unchanged
- โ Bank 2FA still arrives
- โ Nothing to cancel or port
- โ Full 4G / 5G speeds
- โ Hotspot included
- โ Activates the moment you land
- โ From $1.20 โ not $10โ15/day
- โ ~$10โ15 per day, every day
- โ Throttled after 512 MB
- โ No hotspot on most plans
- โ Bill shock when you get home
Available Plans (20)
Why LTE.app
Top cities in Thailand
Same eSIM, full coverage. Tap a city for local connectivity tips, neighbourhoods, and transit notes.
Major airports in Thailand
Activate before you board. Each airport guide covers Wi-Fi, ground transport, and arrival tips.
Best eSIM for Thailand โ what you need to know
LTE.app offers 20 eSIM plans for Thailand, starting from $1.20. Plans are instant โ purchase, scan the QR code in Settings, and your data is live. No physical SIM, no airport queue, no contract.
Coverage is provided through AIS and DTAC and True Move H, giving you data across Bangkok, Phuket, Chiang Mai and beyond. AIS and True Move H provide reliable 4G LTE across popular tourist areas including beaches, islands, and mountain resorts.
Why use an eSIM in Thailand?
Thailand eSIM coverage & networks
LTE.app plans in Thailand route through AIS, DTAC, True Move H. AIS and True Move H provide reliable 4G LTE across popular tourist areas including beaches, islands, and mountain resorts.
Major destinations covered include Bangkok, Phuket, Chiang Mai, Koh Samui, and Pattaya. Urban areas and popular tourist sites generally have reliable 4G LTE; rural and mountainous areas may vary.
More questions about Thailand eSIMs
Does the eSIM work as a hotspot in Thailand?+
Hotspot/tethering is supported on most Thailand plans, great for sharing data on guesthouses without fast Wi-Fi.
Does the Thailand eSIM include a phone number?+
Data-only plans โ no Thai phone number included.
Which network will my eSIM use in Thailand?+
LTE.app plans in Thailand use AIS and DTAC and True Move H. The network your device connects to depends on your plan and device compatibility.
Can I top up or extend my Thailand eSIM?+
Some plans allow top-ups or extensions from within the LTE.app. If you run out of data, you can purchase an additional plan โ the new eSIM will be delivered instantly as a QR code.
Travelling nearby?
Extend your trip or compare plans for neighbouring destinations.
Vietnam eSIM โ
Cambodia eSIM โ
Malaysia eSIM โ
Indonesia eSIM โ
Singapore eSIM โThailand eSIM vs nearby destinations
How Thailand eSIM coverage and pricing stack up against neighboring travel destinations. Tap a country to see its own plans and full coverage breakdown.
| Country | Carriers | From | |
|---|---|---|---|
| Thailandโ this page | AIS ยท DTAC | $1.20 | |
| Vietnam | Viettel ยท Mobifone | See plans | Plans โ |
| Cambodia | Cellcard ยท Smart Axiata | See plans | Plans โ |
| Malaysia | Maxis ยท Celcom | See plans | Plans โ |
| Indonesia | Telkomsel ยท XL Axiata | See plans | Plans โ |
Thailand
Vietnam
Cambodia
Malaysia
IndonesiaCarrier list is the primary partner network in each country; plans on smaller destinations may also fall back to additional roaming partners. "From" price refers to the cheapest published LTE.app plan โ see each country page for current rates.
Thailand by the numbers
Each figure links to its primary source โ these are not LTE.app estimates.
Thailand welcomed roughly 28 million international tourist arrivals in 2023, with Chinese, Malaysian, and South Korean travelers leading. Source: Tourism Authority of Thailand
AIS leads the Thai mobile market by subscribers, followed by True Move H and DTAC. Source: NBTC (Office of the National Broadcasting and Telecommunications Commission)
Background context for Thailand draws partly on Wikivoyage, licensed under CC BY-SA 3.0.
Going to Thailand? Pick the right plan for how you travel.
Different travelers need different eSIM sizes and features. Pick your travel style:
What you need to know
This eSIM provides data access only. It does not include a Thailand phone number. Use WhatsApp, FaceTime, or Signal for calls.
Set up the eSIM at home over Wi-Fi before your trip. Data only starts counting once you connect to a local network on arrival.
Mobile hotspot is available on most Thailand plans. Share your data with a laptop or travel companion without extra cost.
Your phone must be eSIM-compatible and carrier-unlocked. Most iPhones from 2018 and flagship Android phones from 2020 support eSIM.
Your QR code is emailed the moment your payment completes โ no waiting, no shipping, no airport queue.
How to install your Thailand eSIM
Note for Thailand: Set up your eSIM before departure. Island areas like Koh Tao have patchy cellular โ install while you still have Wi-Fi.
Full install guide with screenshots โLove the price? The savings don't stop when you land home.
Pro and Premium subscribers save up to 12% on every plan they ever buy โ whether they're in Thailand next week or somewhere else next year. One membership. Every destination.
Frequently Asked Questions
Can I use an eSIM in Thailand?
When does my Thailand eSIM activate?
Can I use mobile hotspot (tethering) in Thailand?
Can I use my regular SIM and the Thailand eSIM at the same time?
How fast is the data in Thailand?
Do I need to show ID to buy a Thailand eSIM?
Does the Thailand eSIM include a phone number?
Can I buy more data if I run out in Thailand?
When should I install the eSIM?
What is the refund policy?
Will my device work in Thailand?
Can I transfer the eSIM to another device?
Need help choosing?
Ask Smart Coach about the best eSIM plans for Thailand, compare carriers, get installation help, and more.
Thailand travel connectivity
All Thailand pages โ linked for faster research