AIS
AIS sells traveller eSIMs online and lists tourist plans from THB 399 with 5G/4G data, local-network calls and AIS Wi-Fi benefits on selected packages.
Official network information ↗DESTINATION CONNECTIVITY GUIDE
Best eSIM options for Thailand
Thailand combines broad travel-eSIM availability with strong local tourist products from AIS and True-dtac. Local tourist eSIMs can include a Thai number, calls and high-speed allowances, while international travel eSIMs are often simpler but data-only.
Pricing checked 15 July 2026Next commercial review due 2026-07-29
ThailandTH · Southeast AsiaPRACTICAL RECOMMENDATION
Start with the trip, then choose the plan
Compare an AIS or True-dtac tourist eSIM with a 10–20 GB travel eSIM. A local tourist package often makes sense when you need calls or generous data; a regional package is usually better when Thailand is one stop in a Singapore–Malaysia–Thailand or wider Southeast Asia trip.
UNDERLYING NETWORKS
Know which local network you are buying access to
A travel provider is not the network itself. Carrier access can change by package.
True-dtac
True and dtac market tourist SIM and eSIM packages, including finite full-speed allowances followed by package-specific unlimited or reduced-speed use.
Official network information ↗● Check whether 'unlimited' means unlimited at maximum speed or continued use after a high-speed allowance.
● 5G requires a supported handset, appropriate frequencies and local coverage.
● Island, marine and mountainous routes may differ from Bangkok, Chiang Mai and major resort centres.
● Local tourist SIM registration requires a valid passport under Thai rules.
DATED PLAN OBSERVATIONS
Thailand eSIM price examples
Observed in USD on 15 July 2026. Starting prices may not represent the data allowance you need; promotions, inventory and terms can change.
| Provider | Plan | Data | Validity | Observed price | Price / GB | Network | Hotspot | |
|---|---|---|---|---|---|---|---|---|
| Nomad | Thailand 10 GB example | 10 GB | 30 days | $10.00 | $1.00 | Verify selected plan | Supported; verify package | |
| Airalo | Thailand 20 GB | 20 GB | 30 days | $18.00 | $0.90 | Verify package | Verify package | |
| Holafly | Thailand unlimited, 30 days | Unlimited* | 30 days | $73.90 | Not comparable | Verify package | Verify plan | |
| Ubigi | Thailand 10 GB | 10 GB | 30 days | $13.90 | $1.39 | Verify package | Verify plan | |
| Saily | Thailand 20 GB | 20 GB | 30 days | $19.99 | $1.00 | Verify package | Verify plan | |
| aloSIM | Thailand 10 GB | 10 GB | 30 days | $29.00 | $2.90 | Verify package | Destination dependent | |
| JetPac | Thailand 3 GB | 3 GB | 7 days | $12.00 | $4.00 | AIS | Verify package |
* “Unlimited” plans may use fair-use thresholds, traffic management or separate hotspot limits. Starting-price claims are not complete plan comparisons and must be checked at the provider checkout.
CONNECTIVITY OPTIONS
eSIM is not the only sensible choice
Choose according to devices, trip length, group size and how much setup you want.
AIS tourist eSIM
Local calls, a Thai number and direct carrier servicePassport registration and package-specific fair use apply
True-dtac tourist eSIM
Airport availability and local tourist bundlesFull-speed allowances vary by duration
Thailand travel eSIM
Simple pre-trip data and app-based managementUsually lacks a Thai phone number
Regional eSIM
Singapore, Malaysia and Thailand in one tripCountry-only bundles may offer more data per dollar
Physical tourist SIM
Phones without eSIM or in-person setup helpQueueing, passport registration and SIM swapping
BEFORE DEPARTURE
Install without starting the wrong clock
- Confirm the phone is unlocked and supports the selected eSIM method.
- Compare the full-speed allowance, throttled speed and hotspot conditions—not only the word unlimited.
- For a local tourist product, complete passport registration through the authorized process.
- Install before travel where permitted but verify what triggers validity.
- Save support and APN instructions before leaving airport or hotel Wi-Fi.
ARRIVAL POINTS
Major international gateways
Bangkok Suvarnabhumi (BKK)Bangkok Don Mueang (DMK)Phuket International (HKT)Chiang Mai International (CNX)Krabi International (KBV)Samui International (USM)
Airport availability is useful for physical SIMs and pocket Wi-Fi, but stock, hours, price and identity requirements should be checked with the seller.
REMOTE WORK & REGIONAL TRAVEL
Small checks that prevent lost work time
✓ Airport counters are convenient but compare online carrier prices before arrival.
✓ Local carrier plans can include calls that data-only travel eSIMs do not.
✓ For island hopping, inspect coverage for the islands and ferry route rather than the province alone.
✓ A Singapore–Malaysia–Thailand regional plan can prevent multiple installations.
✓ Keep the passport registration confirmation and purchase record.
OTHER LIVE DESTINATIONS
Continue planning the journey
Compare the local network and registration differences before choosing a regional plan.
RESEARCH THE PROVIDERS
Open a detailed provider profile
Independent comparison disclosure
Some future outbound links may earn Nomad Utilities a commission at no additional cost to you. Commercial relationships do not determine which plan appears, the limitations we publish, or the recommendation for a particular use case.
THAILAND ESIM QUESTIONS
Frequently asked questions
Local AIS and True-dtac tourist products can include local calling features. International travel eSIMs are commonly data-only, so check the exact product rather than assuming.