You are preparing for a trip, business trip, or study abroad in Thailand, so you must have many things to prepare such as: visa, documents, booking flight tickets, researching directions... but no matter how busy you are, don't forget to prepare a Thai 4G SIM card for yourself! Many tourists wonder if they should buy a SIM at the airportThailand? Which counter to buy from? The following article will answer those questions for you and share the most economical and fastest experiences of buying a Thai SIM card.
Information about mobile carriers in Thailand
Currently, Thailand has many large and small carriers for you to choose from, but there are mainly three major carriers serving tourists in Thailand: Dtac, Truemove, and AIS.

There are 3 main carriers in Thailand:Dtac, Truemove, and AIS
AIS Carrier
- AIS carrier is rated higher than others, especially in terms of access speed. If you plan to explore remote areas of Thailand, AIS is undoubtedly the best network.
- The selling price is higher than other SIMs of the same type in exchange for quality.
- Stable speed even in remote areas of Thailand
DTAC Carrier
- Coverage is weaker than AIS
- The selling price is cheaper than AIS
- Unstable network access in some remote areas of Thailand
- Average network access speed
TrueMove Carrier
- Full coverage across Thailand.
- Cheaper prices compared to other types of SIMs.
- High speed in tourist areas and city centers.
>>> If you need to use a lot of Internet in Thailand, then: rent a WiFi router for Thailand
Should you buy a SIM card at the airport in Thailand?
You can easily get Thailand 4G SIM cards at the national airports. After collecting your luggage, head to the row of airport service counters where you'll find a variety of mobile carriers to choose from. The price for a 3G/4G Thailand SIM card is about 299 baht, equivalent to 210,000 VND to 350 baht (250,000 VND). Alternatively, you can consider ordering your SIM in Vietnam beforehand and pick it up at the airport for greater savings.
Where to buy SIM cards at Thai airports
Simply choose a suitable plan, present your passport to the staff, and you can get your Thai SIM card. However, to be sure, ask the staff to install and activate the SIM card to ensure it works properly and is compatible with your mobile device.
A tip for buying SIM cards at Thai airports is to choose a travel package with unlimited WiFi for 7 days and 100 baht for calls and data access.
Tips for buying SIM cards at Thai airports
Notes when buying SIM cards at Thai airports:
- To use a Thai SIM card, your phone must be unlocked.
- After inserting the SIM card, ask the staff to help you activate it and make a test call to check if it's working properly and for calls.
- SIM cards usually have no or a small amount of credit, so you need to top up your account to use it. It's advisable to ask the staff to help you top up when you receive the SIM or call the hotline for instructions. You can also ask a local to help you top up your phone credit.
- Carriers may throttle your connection speed, so if you need to download a lot, buy enough data. Also, avoid using the SIM card to download movies.
- If you buy a SIM card at an airport store or convenience store in Thailand, you must present your passport to activate the service. You cannot activate a SIM card without a passport. One passport can be used to purchase multiple SIM cards.
The procedure for buying SIM cards at Thai airports is complicated
From this, tourists can see that buying SIM cards at the airport is quite complicated and carries many risks. Therefore, the best solution for you is to choose and buy a Thai SIM card domestically. All the hassle will be handled in Vietnam, saving you costs, and you can freely explore Thailand.
>>> See the latest prices for 3G/4G travel SIM cards at: international 4G SIM
Where to buy a reliable Thailand SIM card in Vietnam today
Currently, there are many e-commerce sites in Vietnam that provide Thailand travel SIM cards, with websites often offering promotions and competitive prices. However, it's important to choose reputable stores to avoid counterfeit or unusable SIM cards.
You can easily purchase a Thailand SIM card on the Sahaha website for consultation, purchase, and home delivery within 1-2 days via express delivery. Proud to be one of the leading addresses for cheap and high-quality Thailand SIM cards in Hanoi and Ho Chi Minh City. Sahaha is always the preferred choice for tourists when looking to buy a SIM card for their trip to Thailand.
Sahaha - The most reliable and quality place to buy Thailand SIM cards today
Quickly get your hands on quality Thailand 4G SIM cards at Sahaha. Don't hesitate, contact Sahaha immediately via Hotline: 19002106 for consultation on choosing a suitable and most economical Thailand SIM card package!
VIDEO CONSULTATION ON CHOOSING THAILAND SIM CARDS
Above are the tips for buying a Thailand SIM card. We hope this has helped answer your question about whether to buy a SIM card at the airport in Thailand and has helped you choose the right SIM card for your trip. Enjoy the beautiful and poetic Thailand and share your interesting memories with Sahaha!
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