Plans and prices for Thailand
There are 6 fixed-data plans for Thailand, from $4.43. The lowest price per GB is $0.94: 20 GB for 30 days.
Prices are in US dollars. The final price is shown at checkout.
| Data | Validity | Price | Price per GB |
|---|---|---|---|
| 1 GB | 7 days | $4.43 | $4.43 |
| 2 GB | 15 days | $5.97 | $2.99 |
| 3 GB | 30 days | $6.48 | $2.16 |
| 5 GB | 30 days | $8.52 | $1.70 |
| 10 GB | 30 days | $11.59 | $1.16 |
| 20 GB | 30 days | $18.75 | $0.94 |
Unlimited data for Thailand
Unlimited plans start at $10.07. Each includes 5 GB of high-speed data per day; after that, speed is reduced to 1 Mbps.
| Validity | Price | High-speed data | After that |
|---|---|---|---|
| 3 days | $10.07 | 5 GB per day | 1 Mbps |
| 5 days | $15.68 | 5 GB per day | 1 Mbps |
| 7 days | $21.83 | 5 GB per day | 1 Mbps |
| 10 days | $32.05 | 5 GB per day | 1 Mbps |
| 15 days | $40.23 | 5 GB per day | 1 Mbps |
| 30 days | $50.46 | 5 GB per day | 1 Mbps |
Network: AIS and True
Plans for Thailand connect to the AIS or True network, depending on the plan. Check the network shown on a plan before you buy.
Calls, SMS and phone numbers
Plans for Thailand are data-only: they don’t include a phone number, carrier calls or SMS. If you need a separate number for calls and texts, the DualLine second line is a different product.
Local facts for Thailand
General information about mobile networks in Thailand; not specific to DualLine plans.
Thailand's main mobile operators are AIS and True Corporation, which was formed when True and dtac merged on 1 March 2023. Source: True Corporation, Advanced Info Service (AIS).
Thailand auctioned its first 5G spectrum in February 2020. AIS reported 19.7 million 5G subscribers, 42% of its mobile customers, in the second quarter of 2026. Source: The Nation Thailand, Advanced Info Service (AIS).
Foreigners buying a Thai SIM must register in person with their passport and can hold at most three SIMs per operator. Source: Tilleke & Gibbins, The Nation Thailand.
- True Corporation: Amalgamation of DTAC and TRUE
- Advanced Info Service (AIS): Key Milestone
- The Nation Thailand: Telco giants make payments for 5G spectrum licences
- Tilleke & Gibbins: Thailand Tightens Telecom Registration, Data, and IP Address Rules to Combat Tech Crime
- The Nation Thailand: New NBTC law tightens rules on SIMs, SMS and foreign calls effective immediately
Set up before you travel
Install the eSIM over Wi-Fi before you leave, then switch mobile data to it when you arrive in Thailand.
More eSIM destinations
Compare plans for other popular destinations, or start with the travel eSIM guide.
Your take-away checklist
- Pick a plan: 1–20 GB or unlimited data, valid 3–30 days.
- Check that your phone supports eSIM and is unlocked.
- Install the eSIM over Wi-Fi before you travel.
- After you arrive, choose the eSIM for mobile data.
Common questions
How much does an eSIM for Thailand cost?
Plans start at $4.43 (1 GB for 7 days). The lowest price per GB is $0.94: 20 GB for 30 days. The final price is shown at checkout.
Is there an unlimited data eSIM for Thailand?
Yes. Unlimited plans start at $10.07 for 3 days. Each includes 5 GB of high-speed data per day; after that, speed is reduced to 1 Mbps.
Which mobile network will I use in Thailand?
AIS or True, depending on the plan. Check the network shown on a plan before you buy.
Does the eSIM for Thailand include calls, SMS or a phone number?
No. Plans for Thailand are data-only. If you need a separate number for calls and texts, see the DualLine second line.
How long are eSIM plans for Thailand valid?
Plans are valid for 3 to 30 days. Check when validity starts: on some plans it starts at installation, on others when the eSIM first connects.
When should I install the eSIM for Thailand?
Install it over Wi-Fi before you leave, then switch it on for mobile data when you arrive.
Sources and support
Plan prices come from DualLine’s catalogue. Local facts link to the source we checked.
- True Corporation: Amalgamation of DTAC and TRUE
- Advanced Info Service (AIS): Key Milestone
- The Nation Thailand: Telco giants make payments for 5G spectrum licences
- Tilleke & Gibbins: Thailand Tightens Telecom Registration, Data, and IP Address Rules to Combat Tech Crime
- The Nation Thailand: New NBTC law tightens rules on SIMs, SMS and foreign calls effective immediately
