Free eSIM in Thailand — free data for first-time users, claimed in the Wanderly app.
How many days?
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Choose your package
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Total plan price
Price per GB
$0.70
- Coverage
- Single country
- Plan type
- Data only
- Top-up
- Unavailable — buy another plan
- Activation
- On network connection
Data-only eSIM
Validity starts at the first network connection.
Top-ups unavailable. Usage tracking supported. Hotspot supported.
Calls and SMS are not included. Internet calling apps use your data.
Coverage (1 country)
Thailand
Refund eligibility depends on the plan and its activation status. Contact Wanderly support before installing or using the eSIM.
What's Included
Thailand eSIM plans at a glance
Wanderly lists 36 fixed-data Thailand plans, ranging from 1GB up to 50GB over 3 to 180 days. Prices start at $2.99, and the lowest cost per gigabyte is $0.28/GB on the 50GB 10-day plan.
Unlimited day-passes are also available from $2.99 per day, billed per day rather than per gigabyte. 10 of the 41 Thailand plans can be topped up without reinstalling the eSIM.
Calls and SMS depend on the selected plan. Install using the supplied QR code and keep your home number on its own line. Activation timing varies by plan; check your selected plan's terms before purchasing or installing.
How much does a Thailand eSIM cost?
A Thailand eSIM from Wanderly costs $2.99 for 1GB (7 days), $4.99 for 5GB (5 days) and $9.99 for 20GB (5 days), as a one-off price with no subscription. Larger plans cost less per gigabyte: $2.99/GB at 1GB against $0.50/GB at 20GB.
Across its data-only plans, Thailand works out at a median of $0.70 per GB, below the $1.40 median across the 182 countries in the Wanderly eSIM Price Index. 11 of them have a lower median.
| Data | Validity | Price | Per GB |
|---|---|---|---|
| 1GB | 7 days | $2.99 | $2.99 |
| 3GB | 3 days | $2.99 | $1.00 |
| 5GB | 5 days | $4.99 | $1.00 |
| 10GB | 5 days | $5.99 | $0.60 |
| 20GB | 5 days | $9.99 | $0.50 |
Cheapest current data-only plan at each size, as charged at checkout. Prices follow the live catalogue. Compare Thailand with every country in the eSIM Price Index.
🇹🇭 About eSIMs in Thailand
Thailand's two best carriers, AIS and TrueMove H, deliver excellent 4G and expanding 5G across every place a traveler actually goes — Bangkok, Chiang Mai, Phuket, Koh Samui, Krabi and Pai. Wanderly Thailand eSIM plans connect to one of these tier-1 networks, so you get strong signal on Sukhumvit Road, on longtail boats around Phi Phi, and even in the Chiang Mai hills.
Data burns fast in Thailand because you are Grab-ing everywhere, translating menus, and posting sunsets. A 7-day, 10 GB plan is comfortable for a first-timer; two-week island hoppers usually want 15–20 GB. Unlimited plans are worth it if you rely on Google Meet, Zoom or Netflix in the evenings.
The SIM booths at Suvarnabhumi and Don Mueang work fine but are marked up. An eSIM installed at home lets you skip the queue entirely and be on Google Maps the moment your flight lands.
How to activate your eSIM in Thailand
- 1Install at homeScan the QR while you still have hotel or home Wi-Fi. You do not have to activate yet — the timer starts when data is first used.
- 2Turn on after landingEnable the Thailand eSIM as your primary data line, keep your home SIM for iMessage. Turn on Data Roaming (required for eSIMs).
- 3Grab and LineInstall the Grab app for taxis and Line for restaurant bookings and guesthouses — both need data to sign up.
- 4Hotspot for travel buddiesWanderly Thailand plans allow tethering, so your partner or a group of friends can share one plan on longer trips.
Thailand eSIM FAQ
Does it work on Thai islands?
Yes. Koh Samui, Phuket, Koh Phangan, Koh Tao, Koh Lanta and Krabi all have strong AIS or TrueMove H 4G coverage. Signal on smaller uninhabited islands may drop.
How much data do I need for 2 weeks in Thailand?
15 GB covers navigation, Grab, WhatsApp and social. Go 20 GB or unlimited if you stream video on beach nights or work remotely.
Can I use Grab and Line?
Yes — both work perfectly on any Wanderly Thailand plan. Grab in particular saves you from taxi meter arguments.
Does it work in Pai and rural north?
Yes. AIS covers the Mae Hong Son loop through Pai. Signal drops briefly on some mountain switchbacks between Chiang Mai and Pai but returns in every village.
Is hotspot supported?
Yes, all Thailand plans allow tethering. Two travelers can comfortably share one 15 GB plan.
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