Planning your trip to Thailand? Don't forget to get a local SIM card—it's crucial for making calls, using apps like Google Maps, and staying active on social media without relying on Wi-Fi.
Our Thailand SIM Card Guide helps you pick the right SIM card by comparing prices and explaining the benefits of each option, including SIM cards, eSIMs, and Wi-Fi routers. We also offer practical advice on where to buy your SIM and how to use it.
Plus, check our blog for a special discount on Thailand SIM cards on Trip.com, available for a limited time 2025. 🎁
Popular Thailand SIM Card & eSIM 2025
You can get cheap and reliable AIS SIM card on Trip.com, as shown in the first card below 👇, and the best eSIM plans, shown in the last two cards below 👇👇
Unsure about which to choose? Look up comparison of the Thailand SIM and eSIM to help you decide the best option for your needs in Thailand.
- CountryThailand
- Package Option15 GB
- Number of Days7 Days
- PriceUSD 6.09
- CountryThailand
- Package Option30 GB
- Number of Days8 Days
- PriceUSD 5.96
- CountryThailand
- Package Option15 GB
- Number of Days7 Days
- PriceUSD 4.81
Note: The SIM Card has total high-speed data of 15GB, after which the speed will be reduced to 1Mbps.
What is Thailand SIM Card Exactly?
A Thailand SIM card is a small, removable chip that, when inserted into your phone, connects you to a local mobile network in Thailand.
This allows you to make calls, send texts, and use mobile data at local rates instead of incurring expensive international roaming fees.
It is particularly helpful for accessing location-based services like Google Maps, staying active on social media, and using other apps without needing a Wi-Fi connection.
How much does a SIM card cost in Thailand?
The cost of SIM cards in Thailand varies slightly among different mobile operators. Here's a summary of the prices 2025 for various SIM card plans offered by top Thailand SIM card providers:
| Mobile Operator | Data & Features | Validity | Price (USD) |
| dtac | Unlimited data and calls | 8 days | $13 |
| 15 days | $20 | ||
| 30 days | $34 | ||
| AIS | 30 GB data | 15 days | $17 |
| 300 GB data | 30 days | $35.7 | |
| Trip.com AIS | 15 GB data, free social, 50 THB credit | 7 days | $6.09 |
By purchasing the AIS SIM card plan on Trip.com, you can enjoy the 7-day plan to just $6.02 instead of the usual $8+ offered on other platforms.
21001 booked
Which is Better for Tourists? Thailand SIM Card, eSIM or Pocket WiFi
Source from Thailandesim
When traveling to Thailand, tourists often face the decision between using a traditional SIM card or opting for a modern eSIM. Each type of SIM offers unique benefits and limitations. Additionally, when considering connectivity solutions, tourists should also consider Wi-Fi routers as another option for staying connected.
| Thailand eSIM | Thailand SIM Cards | Wi-Fi Routers | |
| What is it | Digital, integrated into the device | Physical, removable chip | Physical device, provides wireless access |
| How does it work | Activated digitally without a physical component | Physical nano-SIM inserted into the phone | Portable device providing Wi-Fi access |
| Where to buy | Purchased and downloaded online | Available at stores or shipped to your location | Available for rent or purchase in stores |
| Pros | - Can be pre-set and activated upon arrival - Not susceptible to physical loss or damage - Supports multiple profiles | - Can be transferred to another phone - Often cheaper - Widely available | - Multiple devices can connect - Not limited by the phone’s compatibility |
| Cons | - Requires compatible phone - May require newer phone models | - Risk of loss or damage - Must physically swap to change devices | Requires charging, may have limited coverage area |
| Ideal for | Tech-savvy travelers who prefer a easy setup | Travelers preferring a tangible option with flexibility | Groups needing broad internet access |
Both eSIMs and physical SIM cards for Thailand ensure that tourists can stay connected to the local mobile networks throughout their stay. They share the ability to function in dual-SIM phones and provide consistent service across the country. However, there are noteworthy differences:
- Thailand eSIMs: Digital eSIMs allow tourists to manage their mobile data plans without the need for a physical SIM card. This means that the eSIM can be purchased and downloaded from anywhere prior to arrival in Thailand, making it extremely convenient. Additionally, eSIMs are embedded directly into the device's motherboard, eliminating the risk of physical damage or loss. They also enable users to store multiple profiles, which is advantageous for travelers who may visit multiple countries.
- Thailand SIM Cards: Traditional SIM cards are advantageous due to their accessibility and cost-effectiveness. They can be easily obtained from various outlets, including local markets and stores throughout Thailand. Physical SIMs also provide the flexibility to swap the card between devices—a useful feature if a phone's battery dies.
- Wi-Fi Routers: As an alternative, Wi-Fi routers provide a reliable internet connection that can support multiple devices simultaneously. They are ideal for travelers in groups or those carrying multiple devices needing internet access. However, they must be charged and may have limitations in coverage, depending on where you travel in Thailand.
In conclusion, the choice between an eSIM and a traditional SIM card depends largely on the traveler's needs, phone compatibility, and convenience preferences. For those traveling in groups or with multiple devices, renting a Wi-Fi router might be the best connectivity solution.
How to get a SIM card in Thailand?
Where to Get SIM Card Thailand on Trip.com?
Bangkok Suvarnabhumi International Airport, International Arrival Hall, 2nd Floor, Gate 8 (24 hours / 365 days)
Other 3 Ways to Get Thailand SIM Card
| Purchase Method | Advantages | Considerations |
| Online (Before Arrival) | Peace of mind, prepared upon arrival | Plan ahead |
| At the Airport | Immediate access, quick registration | Cash payment required |
| City Mobile Shop/7-11 | Local access, potential for immediate use | May face stock issues or complex registration |
- Order Online in Advance: Purchasing a Thailand SIM card online before your trip on Trip.com and activate it at Suvarnabhumi International Airport (note: Valid for 60 day from the date of booking). It ensures you are prepared upon arrival, especially useful for using apps like Grab in Thailand.
- Airport Purchase: Upon landing, SIM cards are readily available at the airport. The process is typically quick, with minimal wait times and a straightforward registration that often takes less than a minute. However, you usually need to pay in cash.
- City Mobile Shops: While available, purchasing from city mobile shops is less recommended due to more complex registration processes. Alternatively, travel SIMs might be found at local convenience stores like 7-11, though availability can be hit or miss.
Why you need a Thailand SIM card?
Cheap Price on Trip.com
When you buy a Thailand SIM card through trip.com, you can enjoy the cheapest price & reliable service.
| Provider | Data & Features | Validity | Price (USD) |
| Trip.com AIS | 15 GB data | 7 days | $6.09 |
7/24 Customer Support
Purchasing a Thailand eSIM card simplifies activation remarkably. We provide a customer support team right at the airport to assist with installation and initial setup.
Our customer support does not end at the airport. Throughout your stay in Thailand, our team is available 24/7 to help with any issues or concerns you may encounter. They are proficient in multiple languages, including English, Japanese, French etc., ensuring that every query is addressed patiently and effectively. Whether you have technical issues or need travel advice, our support team is there to assist you every step of the way.
Excellent User Review
Saved the self-referral code in advance, went to the AIS counter after landing, and the staff gave me the SIM card after scanning the code with their mobile phone. Be sure to save in advance, because there is no network after landing, Trip.com will not be opened. The whole collection process is very simple, it is an AIS card. Now you can use 40GB as a great value when you go abroad! Plug and play, very convenient, recommended. The signal is great, the overall is awesome!
How to Use Thailand SIM Cards
Before You Travel
- Unlock Your Phone: Confirm with your carrier that your phone is unlocked for international use.
- Screenshot and Save the Self-Pickup Code: If you opt for a SIM card pickup, ensure you have a digital copy of the code needed for collection.
Inserting the SIM Card
- Insert Only in Thailand: To ensure proper activation, insert the AIS SIM card only after arriving in Thailand.
- Correct Slot for Dual-SIM Phones: If using a dual-SIM device, place the Thai SIM card in the SIM1 slot and leave SIM2 empty.
Activation and Connection
- Turn on Data Roaming: Enable data roaming on your device to connect to the network.
- APN Setup: Manually set the APN to 'internet' if the network does not connect automatically.
- Restart Your Phone: A restart might be necessary to apply new settings and connect to the internet.
USSD Codes and Functions
| Function | USSD Code | Description |
| Check Balance | *121# | Displays current balance |
| Check Data Usage | 1213# | Shows remaining internet data |
| Check Phone Number | *545# | Retrieves your current phone number |
| Check Call Credit Bonus | 1212# | Informs of any bonus credit available |
| Make International Calls | 00300 + Country Code + Area Code + Phone No. | Prefix for discounted international calls |
Customer Support and Refunds
- Immediate Contact: If you experience issues, contact customer support during your stay.
- No Post-Return Refunds: Refunds are not available after leaving Thailand without prior contact with customer service.
- Day Calculation: Time and usage are based on the local time zone, counting each day as 24 hours from activation.
3 Advantages of Using Thailand SIM Cards
When traveling to Thailand, obtaining a local SIM card is highly recommended for several reasons:
- Access to Local Networks: A Thailand SIM card ensures compatibility with the local mobile networks, allowing you to make calls, send texts, and browse the internet efficiently on your current phone. This is crucial as your home country's SIM card might not work with Thailand's network infrastructure, or it may incur prohibitively high roaming charges.
- Cost-Effective Communication: Using a local SIM card is significantly more economical than relying on international roaming services. The local rates for calls, texts, and data usage are generally much lower, which can lead to substantial savings during your stay.
- High-Speed Internet Access: Thailand's mobile networks offer robust 4G and even 5G services in many areas, providing you with fast and reliable internet connectivity. This is particularly beneficial for travelers who require frequent internet access to navigate, communicate, or manage travel details.
From now until stock last, you can enjoy up to 8% off hotel deals on Trip.com when you register as a member on desktop or app!
👍 Bangkok Hotel Recommendations 👍
3 Disadvantages of Using Thailand SIM Cards
While a Thailand SIM card offers numerous benefits for travelers, there are a few disadvantages to consider:
- Device Compatibility: Not all phones are unlocked or compatible with Thailand's network frequencies. Before purchasing a SIM card, ensure your device is unlocked and capable of supporting the specific bands used by Thai mobile operators. If not, you might need to rent a phone or buy a local device, adding to your expenses.
- Initial Setup: Setting up a new SIM card can sometimes be confusing, especially if the instructions are not in your native language. While the process at airports is generally streamlined, getting everything configured correctly, like APN settings for data usage, might require additional time and effort. (But if you book SIM card on Trip.com, we have patient service staff to help you handle these concerns!)
- Physical Limitations: A physical SIM card can be lost or damaged during your travels. Since it's a small item, the risk of misplacing it or having it fail due to physical damage like water exposure is higher compared to using eSIMs or your home SIM with an international plan.
If You're travelling to Thailand, Choose SIM Card Thailand!
Heading to Thailand? Make sure to grab a local SIM card! It's a simple and cost-effective way to keep in touch, use navigation apps like Google Maps, and stay updated on social media throughout your trip.
With a SIM card, you avoid the high costs of international roaming and can easily access helpful apps without needing constant Wi-Fi.
Don’t miss out on our tips and special deals on Thailand SIM cards on Trip.com. Get your SIM card, and make your Thailand visit smoother and more enjoyable.
FAQs about Thailand SIM Card
Can foreigner buy SIM card in Thailand?
Yes, foreigners can buy SIM cards in Thailand. Upon arrival, travelers can purchase a SIM card at international airports, convenience stores, and dedicated telecom shops throughout the country. To do so, you will need to provide a valid passport as identification. The process is designed to be quick and straightforward, allowing visitors to immediately access local mobile services.Is AIS or dtac better?
Choosing between AIS and dtac depends on your specific needs and locations you plan to visit in Thailand. AIS generally has a reputation for providing broader coverage, including more remote areas, making it suitable for travelers who plan to explore extensively. Dtac, on the other hand, often offers competitive prices and good coverage in urban areas. Both networks provide good speeds and service, so the best choice might depend on the specific promotions and plans available during your visit.How much for a SIM card in Thailand?
The cost of a SIM card in Thailand varies depending on the operator and the plan you choose. Typically, prices start around 299 THB (approximately $8.60 USD) for basic plans, which include a moderate amount of data and some calling credit. More comprehensive packages, which offer larger data allowances and additional features like international calling options, can cost up to 1,250 THB (around $35.70 USD). Special discounts and offers, like those available on websites such as trip.com, can provide additional savings.