# Thailand eSIM for 15 Days: Comparing Plans and Total Costs > Thailand's 15-day eSIM option mainly features dtac's Happy Tourist plan at 599 THB, offering unlimited 5G data (with a 30 GB high-speed cap), unlimited local calls, chat apps, and WiFi access. - Source: https://picksyra.com/thailand-esim-for-15-days-comparing-plans-and-total-costs - Author: Anil Kumar Nadapana, Digital Marketing Specialist (10+ years of digital marketing experience; B.Tech., Akula Gopayya College of Engineering & Technology) — https://picksyra.com/author/anil-kumar-nadapana - Publisher: Picksyra - Topic: Travel - Published: 2026-10-17 - Updated: 2026-10-17 The primary known 15-day eSIM plan available in Thailand is dtac’s Happy Tourist plan, priced at 599 Thai Baht (THB). It provides unlimited 5G internet with data speeds potentially throttled after 30 GB of high-speed usage, unlimited calls to local networks, unlimited chat on five popular applications, and access to dtac WiFi hotspots. Indian and other international travelers can purchase and activate this eSIM online before arrival, but should check current prices and currency conversion fees during purchase. ## What eSIM plans are available for 15 days in Thailand? The main publicly documented option for a 15-day eSIM in Thailand is dtac’s Happy Tourist plan. This plan includes unlimited internet with a 30 GB high-speed data cap, unlimited calls to Thai networks, plus unlimited chat app use and WiFi access. While mobile providers such as AIS and TrueMove H do offer eSIMs, clear 15-day plans from these providers are not publicly detailed, leading to an information gap for short-term travelers comparing options. - **dtac Happy Tourist 15-day eSIM:** Unlimited 5G internet with possible speed throttling after 30 GB, unlimited local calls, unlimited chat on selected apps, and unlimited dtac WiFi hotspot access. For full details, visit the [dtac Happy Tourist SIM card page](https://www.dtac.co.th/en/serv/prepaid/mini-e-service/sim-info.html) and the [dtac eSIM purchase portal](https://www.dtac.co.th/en/new-number/esim/prepaid/select-number?__d=RnphdnBXOFM4QnRNOCUyQlZpcyUyQkRLbiUyQmxtUGl6ZXgxblgxaGo3RUdJbVY0TGRLYUVpb0NhVE1QVGdrbjNHUlRJYQ%3D%3D). ## How much does a 15-day Thailand eSIM plan cost in total? The dtac Happy Tourist 15-day eSIM is priced at 599 THB, which includes a free 15 THB credit usable for calls or other services. While the base price is clear, Indian travelers should factor in currency conversion and payment processing fees. Prices and stock availability may change, so verifying the latest pricing before purchase is advisable. ## What data limits, speeds, and calling features do 15-day Thailand eSIM plans offer? The dtac Happy Tourist plan provides: - **Data:** Unlimited 5G internet with high-speed data capped at 30 GB. After reaching this threshold, data speeds may be reduced until the plan expires. - **Local calls:** Unlimited calls to all mobile and landline networks within Thailand. - **International calls:** Special international call rates start from 1 THB per minute when dialed using dtac’s international prefix (00400). ## Are there additional benefits like chat app use or WiFi access included? Yes, dtac’s 15-day eSIM plan includes: - **Unlimited chat access:** Free usage of five major chat applications without using your data allowance. - **WiFi hotspots:** Unlimited access to dtac WiFi hotspots throughout Thailand, which helps conserve cellular data. These additional features provide tourists with more flexible connectivity beyond cellular services alone. ## How does the dtac Happy Tourist 15-day eSIM compare with other Thailand providers? The dtac Happy Tourist plan is currently the most transparent, well-documented option for a 15-day eSIM plan with clearly stated pricing and benefits. Other providers such as AIS and TrueMove H offer eSIMs but do not publicly detail 15-day specific plans, often requiring local purchase and creating difficulty in direct plan comparison. This lack of comprehensive public information on alternative 15-day plans means travelers find it challenging to compare network coverage, speeds, and user experience outside dtac’s offering. ## Is the 15-day eSIM plan available for tourists only, and how to purchase from India? dtac’s Happy Tourist plan is primarily aimed at tourists and can be purchased online before traveling to Thailand, making it convenient for Indian travelers. The purchase and activation process generally involves: 1. Visiting dtac’s official eSIM purchase website or an authorized reseller. 2. Selecting the 15-day Happy Tourist plan and completing payment in Thai Baht, while accounting for exchange rate and transaction fees. 3. Receiving a QR code via email or website to scan on an eSIM-compatible device. 4. Following on-screen device instructions to activate the eSIM. To avoid risks, buyers should verify the legitimacy of sellers and use secure payment methods, particularly when purchasing from abroad, to reduce the likelihood of fraud or payment issues. ## Frequently asked questions ### What are the most economical 15-day Thailand eSIM choices for budget travelers? Currently, dtac’s Happy Tourist 15-day plan at 599 THB is the most clearly priced and publicly documented option. Other providers may offer different durations or packages, but 15-day specific pricing details are sparse. ### Can I make international calls directly from a Thailand eSIM without extra apps? Yes, dtac supports international calls using the dialing prefix 00400 with rates starting at 1 THB per minute. This lets travelers make calls directly without relying on third-party apps, although charges apply per dtac’s rate structure. ### Is coverage reliable across all of Thailand with the dtac 15-day eSIM plan? dtac is one of Thailand’s major mobile providers, offering extensive 4G and 5G coverage in cities and many tourist areas. However, coverage may vary in remote or rural locations, so travelers with specific coverage needs should verify local network availability. ### How easy is it to activate a Thailand eSIM from India before traveling? Activating dtac’s eSIM from India is straightforward. After purchase, travelers receive a QR code to scan on their eSIM-compatible device and follow device instructions. Setting up before departure can ensure seamless connectivity upon arrival. ### Are there alternatives to dtac for 15-day eSIM plans in Thailand? Other providers like AIS and TrueMove H offer eSIMs, but publicly available and detailed 15-day plans are uncommon. Some international eSIM resellers provide Thailand packages but often with different validity periods, making dtac currently the clearest option for tourists needing 15-day coverage. ## The bottom line For travelers planning to stay in Thailand for about two weeks, dtac’s Happy Tourist 15-day eSIM plan at 599 THB represents a well-documented, convenient choice. It provides unlimited 5G data with a 30 GB high-speed cap, unlimited local calls, free chat app use, and WiFi access. Indian travelers can purchase and activate it online before arrival, benefiting from seamless setup. Due to limited documented alternatives for 15-day durations, dtac currently stands as the most transparent and accessible option. For Indian readers planning travel, consider exploring resources on [affordable international trips from India with cost breakdowns](https://picksyra.com/best-international-trips-under-rs1-lakh-from-india-complete-cost-break), [latest visa rule changes for Indian travelers to Thailand](https://picksyra.com/latest-visa-rule-changes-for-indian-travellers-from-sept-2026), and the international travel insurance guide for Indian travelers. ## Sources 1. [dtac Happy Tourist SIM card](https://www.dtac.co.th/en/serv/prepaid/mini-e-service/sim-info.html) — www.dtac.co.th 2. [dtac eSIM | dtac](https://www.dtac.co.th/en/new-number/esim/prepaid/select-number?__d=RnphdnBXOFM4QnRNOCUyQlZpcyUyQkRLbiUyQmxtUGl6ZXgxblgxaGo3RUdJbVY0TGRLYUVpb0NhVE1QVGdrbjNHUlRJYQ%3D%3D) — www.dtac.co.th