Staying Connected Across Thailand
Thailand's mobile infrastructure has rapidly modernized, with AIS, DTAC, and TrueMove H all rolling out extensive 5G networks across Bangkok and major tourist hubs. For travelers, this means eSIM plans now deliver genuinely fast speeds — even on the islands.
The Thai market is one of the most competitive for eSIM pricing in Southeast Asia. Plans start under $5 for short trips, and unlimited data options from Holafly make it easy to stream, navigate, and stay in touch without worrying about caps. Coverage on islands like Koh Samui and Phuket is generally reliable, though more remote islands like Koh Lipe may have slower connections.
Island Coverage Tips
While Bangkok and Chiang Mai enjoy strong 5G coverage, island connectivity varies. Koh Samui, Phuket, and Koh Phangan have solid 4G from all three carriers. For smaller islands (Koh Lipe, Koh Chang), AIS typically has the best reach — look for plans routed through AIS networks.