Buying a SIM card in Thailand is one of the easiest ways to stay connected while traveling. With cheap data plans, fast 4G/5G coverage, and wide availability, tourist SIM cards are affordable and easy to set up on arrival.
This guide covers the prices of Thailand SIM cards in 2025, what to expect from each provider, and how to choose the best plan for your stay.
Tourist SIM cards are available at the airport, convenience stores, or official mobile shops. Here are your options:
The three major mobile operators are:
Here’s a comparison of current tourist SIM card packages in 2025:
Provider | Data | Validity | Price (THB) |
---|---|---|---|
AIS | 15 GB + Unlimited Chat | 8 Days | 299 THB |
DTAC | Unlimited 10 Mbps | 15 Days | 599 THB |
TrueMove | 30 GB + Free Calls | 10 Days | 399 THB |
Exchange rates vary, but these range from roughly $8 to $18 USD.
You must show your passport to purchase and register a SIM card in Thailand. This applies to both tourist and regular SIMs.
The registration process is quick and usually handled by the staff. Your SIM will be activated within minutes.
If your plan runs out or you extend your trip, you can easily top up at:
Some apps offer plan extensions, roaming packages, or extra data bundles.
AIS and DTAC now offer eSIMs for compatible devices. This is a good option if you want to keep your physical SIM card from home active (e.g. for WhatsApp or banking). eSIMs are available both online and in-store.
SIM card prices in Thailand remain very affordable in 2025, especially compared to international roaming. Whether you choose AIS, DTAC, or TrueMove, you’ll get fast data, English-language support, and an easy setup process. For most tourists, 300–600 THB will cover all mobile needs during your trip.