Planning a trip to Thailand later this year? You are not alone. Almost 33 million people visited the country in 2025, and the figure for 2026 is likely to be even higher.
It is certainly an attractive destination. Whether you love food trips, island hopping, beach trips, or affordable luxury doesn’t matter. Thailand has a lot to offer, but it’s important to ensure that you are suitably prepared for the trip.
After sorting out visas and legal requirements, the next step is to focus on smartphone preparations. An eSIM card that allows you to switch to Thai operators like AIS is essential.
Several eSIM providers may be used for your Thai adventures. Here are six of the best.
#1. Maaltalk
Maaltalk is one of the largest eSIM providers on the market and carries plans for Vietnam, Laos, and other neighboring countries. So, this makes it an obvious choice for anybody planning to tour the region. However, it is also a fantastic option for anyone who is staying exclusively in Thailand.
All of the company’s Thai eSIM packages offer competitive pricing. Crucially, users can choose from a variety of plans, including unlimited, fixed plans, and daily plans with varying lengths. In fact, the firm’s 7-day 1GB data plan is free. However, far larger data plans are available at fair price points while plans connect to local networks boasting 5G signal.
In addition to mobile data, Maaltalk’s eSIMs for Thailand can handle calls and SMS texts from a dedicated local number. Moreover, there are no roaming charges while hotspot availability is provided as standard. Plans also offer exceptional customization options, while the provider’s reliable service is delivered via a fantastic App, which also includes access to responsive customer support agents.
For a reliable, convenient, and affordable eSIM in Thailand, there is no better option.
#2. Airalo
Airolo is another platform with a good global network, including good coverage across Asia. Its DTAC Happy Tourist network plans provide reliable connections for visitors in Thailand. The eSIMs are activated via the App with a simple QR code, offering easy switching between plans.
While Airalo is known for its flexible data packages ranging from small data bundles to large multi-GB plans, its pricing plans are best suited to people visiting for a short time. Alternatively, tourists enjoying an extended stay with minimal usage can use these plans with confidence.
One noticeable downside is that they are data-only plans. So, the eSIM does not provide a local phone number for managing SMS or calls. However, it is quite easy to change your plan or switch to different options when moving to a different county during your travels.
#3. Holafly
If you are someone who wants unlimited data plans in Thailand, Holafly is a great option. Not least because hotspot sharing availability, albeit with some limitations, can support small groups. Crucially, there is no worry about running out of data or encountering hidden costs.
The most common Holafly eSIM Thailand packages are fixed-duration packages. Whether visiting for five, seven, 10, or 15 days doesn’t matter. There will be a suitable plan at a fair price, while the eSim will connect to local networks regardless of which Thai island you are on.
Given the unlimited data plans, the Thailand eSIMS are a little more expensive. However, users who spend a lot of time online will enjoy great value for money. The company’s 24/7 support is available in multiple languages, while quick activations help you get started ASAP.
#4. Ubigi
Ubigi is another major eSIM provider. It has been operating since 2017 and is backed by Transatel, one of the largest telecom companies on the planet. With packages for multiple countries in the region, as well as Thai-only packages, it is ideal for many travelers.
The company’s eSIM packages in London include both one-off and recurring data plans. The App features real-time data usage tracking to stop you from leaving yourself without data for key moments. The firm is also known for often running discounted bundles and packages.
Ubigi has a particularly strong coverage in urban areas, although it can be a little less reliable in rural spaces. For travel enthusiasts visiting tourist hot spots, this won’t be an issue. It should be noted, however, that it is another data-only service that will not give access to a local number.
#5. GigSky
GigSky is another company that has a strong global coverage, which is highlighted by the fact that its eSIM plans for Thailand are available as standalone packages or bundles for tours of Asia. It is another data-only service, but it does feature straightforward pricing with no hidden fees.
The service is supported by a great selection of solid network partnerships across the various Thai islands. So, despite being slightly pricier than some, it is a very reliable choice that has become a hit with business travelers and frequent visitors alike.
A simple App setup means that plans do not start until you are connected to a Thai network. Plans can easily be managed within the App, including the addition of extra data. While primarily aimed at business travelers, it certainly has a lot to offer everyday holidaymakers too.
#6. Nomad eSIM
Nomad eSIM might only offer data-only plans, but it is a very good option for budget-friendly data. Not least because data plans start from just 1GB, although they can increase to far larger bundles. The focus on affordability is a major selling point, as is the App-based management.
The eSIM can connect to the major Thai networks like AIS and DTAC, providing reliable coverage in spite of the cheap price point. This is particularly noteworthy in cities and other tourist areas. The company’s packages can include add-ons to surrounding nations, too.
A lack of SMS or calls is an issue, while it can get pricey if looking at the larger plans. However, the options to add small data plans remove the threat of paying excessive amounts for data that won’t be used. This is particularly suited to people visiting for short stays.